diff options
| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2005-03-07 16:19:38 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2005-03-07 16:19:38 +0000 |
| commit | 3eb54e5f63e6d9a4e8fb168c97eccf534bdad844 (patch) | |
| tree | 65d4b50eba06f38e43153ffa29f37e1c9c70840d /gcc/ChangeLog-2001 | |
| parent | 4cdc2a35e5b66feec1e11b6a5a30bc4b15721513 (diff) | |
| download | gcc-3eb54e5f63e6d9a4e8fb168c97eccf534bdad844.tar.gz | |
Change ChangeLog file names from a numeric index (ChangeLog.N) to a
year based name (ChangeLog-YYYY).
This change does not itself get a ChangeLog entry.
From-SVN: r96028
Diffstat (limited to 'gcc/ChangeLog-2001')
| -rw-r--r-- | gcc/ChangeLog-2001 | 33645 |
1 files changed, 33645 insertions, 0 deletions
diff --git a/gcc/ChangeLog-2001 b/gcc/ChangeLog-2001 new file mode 100644 index 00000000000..c2ee9b024af --- /dev/null +++ b/gcc/ChangeLog-2001 @@ -0,0 +1,33645 @@ +2001-12-31 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (mark_reg_gr_used_mask): Mind HARD_REGNO_NREGS. + +2001-12-31 Richard Henderson <rth@redhat.com> + + * regrename.c (build_def_use): Don't rename asm operands that + were originally hard registers. + (copyprop_hardreg_forward_1): Likewise. + (find_oldest_value_reg): Copy ORIGINAL_REGNO from source. + * varasm.c (make_decl_rtl): Use gen_rtx_raw_REG. Set ORIGINAL_REGNO. + +2001-12-31 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms.h (HAS_INIT_SECTION, NEED_ATEXIT): Remove. + (NAME__MAIN, SYMBOL__MAIN): Define. + +2001-12-31 Richard Henderson <rth@redhat.com> + + * cfgrtl.c (delete_insn): Check for not NOTE_INSN_DELETED_LABEL + before decrementing LABEL_NUSES from a jump table. + + * final.c (alter_subreg): Assign REGNO after changing the rtx code. + + * config/alpha/alpha.c (reg_no_subreg_operand): Reject all + non-registers. + +2001-12-31 Graham Stott <grahams@redhat.com> + + * halfpic.h: Remove foward defs of tree_node and rtx_def. + + * toplev.h: Remove forward def of tree_node, rtx_def. + + * except.h: Remove forward def of tree_node, rtx_def and + define of tree, rtx. Also remove undefs. + + * basic-block.h: Remove forward def of tree_node and + define of tree. + +2001-12-30 Richard Henderson <rth@redhat.com> + + * cfglayout.c (scope_def, scope_forest_info, forest, + relate_bbs_with_scopes, make_new_scope, build_scope_forest, + remove_scope_notes, insert_intra_before_1, insert_intra_1, + insert_intra_bb_scope_notes, insert_inter_bb_scope_notes, + rebuild_scope_notes, free_scope_forest_1, dump_scope_forest, + dump_scope_forest_1, get_next_bb_note, get_prev_bb_note): Remove. + (fixup_reorder_chain): Don't set scope for bb. + (insn_scopes, scope_to_insns_initialize, set_block_levels, + change_scope, scope_to_insns_finalize): New. + (cfg_layout_initialize, cfg_layout_finalize): Update to match. + * cfglayout.h (scope_def, scope): Remove. + (reorder_block_def): Remove scope member. + (scope_to_insns_initialize, scope_to_insns_finalize): Declare. + * haifa-sched.c: Revert reemit_other_notes change. + * sched-ebb.c (schedule_ebbs): Don't call remove_unnecessary_notes. + Use scope_to_insns_initialize and scope_to_insns_finalize. + * sched-rgn.c (schedule_insns): Likewise. + +2001-12-31 Graham Stott <grahams@redhat.com> + + * c-lex.c: Include tree.h before expr.h + + * c-typeck.c: Include rtl.h earlier. + + * tree.h (STRIP_NOPS): Remove extraneous semicolon. + (STRIP_SIGN_NOPS): Likewise. + (STRIP_TYPE_NOPS): Likewise. + (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): Add Parenthesis around + macro paramater. + + * final.c (struct bb_list): Delete. + (struct bb_str): Likewise. + + * cfgloop.c (flow_loop_entry_edges_find): Fix typo. + (flow_loop_exit_edges_find): Likewise. + + * gcse.c (gcse_main): Fix typos. + (alloc_gcse_mem): Likewise. + + * function.h: Remove undefs for rtx and tree. + +2001-12-30 Richard Henderson <rth@redhat.com> + + * loop.c (check_dbra_loop): Fix last change: examine both + has_multiple_exit_targets and exit_count. + +2001-12-30 Richard Henderson <rth@redhat.com> + + * integrate.c (copy_rtx_and_substitute): Fix error last change: + we need to unconditionally create a new mem. + +2001-12-30 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md ("*call_real"): Fix typo in comment. + * config/mmix/mmix.h (EXTRA_CONSTRAINT): Pass MMIX_REG_OK_STRICT + to mmix_extra_constraint. + * config/mmix/mmix.c (mmix_secondary_reload_class): Only handle + non-global register classes. Mark now unused parameters as such. + (mmix_extra_constraint, 'U'): Use new parameter strict and call + calling memory_operand_p or strict_memory_address_p, not + address_operand. + * config/mmix/mmix-protos.h (mmix_extra_constraint): Add parameter. + +2001-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * unroll.c: Move include files above first use of `const'. + +2001-12-30 Jakub Jelinek <jakub@redhat.com> + + * cfgrtl.c (try_redirect_by_replacing_jump): Allow redirect_jump + to fail if target is EXIT_BLOCK_PTR, die otherwise. + (redirect_edge_and_branch): Likewise. + * cfgcleanup.c (try_forward_edge): Don't force jump redirecting + if target is EXIT_BLOCK_PTR. + +2001-12-29 David Edelsohn <edelsohn@gnu.org> + + * gcc.c (init_gcc_spec): Do not link with static libgcc.a if + gcc invoked with -shared. + +2001-12-29 Graham Stott <grahams@redhat.com> + + * config/i386/i386.c (ix86_asm_dialect): Fix enum type. + + (override_options): Delete abs macro unused. + + (output_pic_addr_const): Use ASM_ATT/ASM_INTEL enumerations + when testing ASSEMBLER_DIALECT. + + (print_reg): Likewise. + (print_operand): Likewise. + (print_operand_address): Likewise. + (print_operand): abort if ASSEMBLER_DIALECT is unknown dialect. + + * config/i386/i386.h (ix86_asm_dialect): Fix enum type. + + (FIND_BASE_TERM): Fix typo. + +Sat Dec 29 15:48:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_field): Use adjust_address, not PUT_MODE. + (expand_expr, case VIEW_CONVERT_EXPR): Likewise. + * reload1.c (eliminate_regs, case SUBREG): Likewise, but use + adjust_address_nv. + * varasm.c (make_decl_rtl): Likewise. + * integrate.c (copy_rtx_and_substitute, case MEM): Likewise, but use + replace_equiv_address_nv. + + * varasm.c (decode_addr_const, case INTEGER_CST): Call + output_constant_def instead of looking at TREE_CST_RTL. + + * expr.c (convert_move): If -fforce-mem, force FROM to not be memory. + + * stor-layout.c (layout_decl): Don't misalign field of variable size + for packed record. + + * dwarf2out.c (compute_section_prefix): Avoid cast warning. + (gen_decl_die): Only check DECL_IGNORED_P on decls. + (dwarf2out_decl): Check for DECL_IGNORED_P only when needed. + +2001-12-29 Jakub Jelinek <jakub@redhat.com> + + * cfglayout.c (insert_intra_before_1): New. + (insert_inter_bb_scope_notes): Emit sibling block notes which don't + span multiple basic blocks. + +2001-12-29 Richard Henderson <rth@redhat.com> + + * loop.c (prescan_loop): Set has_multiple_exit_targets for exception + edges. Rearrange jump interpretation code to use pc_set. + (check_dbra_loop): Examine has_multiple_exit_targets not exit_count. + + * sched-deps.c (sched_analyze_insn): Set scheduling barrier for + all insns that can throw, not just if flag_non_call_exceptions. + +2001-12-29 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Remove. + (default_constant_string_class_name): New global. + (objc_init): Set it. + (synth_module_prologue): Use it. + + * objc/objc-act.c: Apply various cosmetic and formatting changes. + +2001-12-29 Kazu Hirata <kazu@hxi.com> + + * config/rs6000/darwin-tramp.asm: Fix comment formatting. + * config/rs6000/freebsd.h: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/sh/sh.c: Likewise. + * config/sh/sh.h: Likewise. + +2001-12-28 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (build_module_descriptor): Make sure the init + function is not deferred. + (build_dispatch_table_initializer): Compute the method encoding if + not already done. + +2001-12-28 Kazu Hirata <kazu@hxi.com> + + * doc/md.texi: Add @findex define_insn_and_split. + +2001-12-28 Hans Bohem <hans_boehm@hp.com> + + * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + * config/ia64/unwind-ia64.c (uw_init_context_1): Redo sp, psp, + bsp setup. Set pri_unat_loc to something reasonable. + (uw_install_context): Add missing cast. + (unw_access_gr): Fix off-by-1 indexing error. + +2001-12-28 Kazu Hirata <kazu@hxi.com> + + * except.c: Fix comment formatting. + * flags.h: Likewise. + * flow.c: Likewise. + * predict.c: Likewise. + * simplify-rtx.c: Likewise. + * system.h: Likewise. + * vmsdbg.h: Likewise. + * vmsdbgout.c: Likewise. + +2001-12-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Fix formatting. + +2001-12-28 Geoff Keating <geoffk@redhat.com> + + * varasm.c (record_constant_1): Correct parameter to recursive + call in default case. + +2001-12-28 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT, + ASM_OUTPUT_DWARF_PCREL): Define. + * config/sparc/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. + * configure.in (HAVE_AS_SPARC_UA_PCREL): Check whether as supports + .uaword %r_disp32() and linker handles it correctly. + * configure, config.in: Rebuilt. + +2001-12-28 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (store_init_value): If initializing object with array + type of unknown size by a compound literal, set object's size from + compound literal size. + * doc/extend.texi (Compound Literals): Adjust documentation. + +2001-12-28 Richard Henderson <rth@redhat.com> + + * real.c (etoe113, toe113): Ifndef INTEL_EXTENDED_IEEE_FORMAT. + (endian): Clear word 3 for INTEL_EXTENDED_IEEE_FORMAT. + (etartdouble): Invoke etoe64 for INTEL_EXTENDED_IEEE_FORMAT. + * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Don't special case + INTEL_EXTENDED_IEEE_FORMAT. + +2001-12-27 Geoff Keating <geoffk@redhat.com> + + * combine.c (try_combine): Mask off sign bits when combining + stores to the low and high parts of a two-word value. + + * expr.c (expand_expr): Don't mark memory for non-constants as + constant. + +Thu Dec 27 20:39:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * integrate.c (copy_rtx_and_substitute, case MEM): If inlining + and not for LHS, clear RTX_UNCHANGING_P. + +2001-12-28 Philipp Thomas <pthomas@suse.de> + + * cppfiles.c (stack_include_file): Don't translate <stdin>. + +2001-12-27 Roger Sayle <roger@eyesopen.com> + + * builtins.c (expand_builtin_memcmp): Optimize memcmp built-in + when all arguments are known constant. Fixes PR opt/3508. + +2001-12-27 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (two anonymous patterns): Remove. + +2001-12-27 Richard Henderson <rth@redhat.com> + + * haifa-sched.c (reemit_other_notes): New. + (schedule_block): Use it. + * sched-ebb.c (schedule_ebbs): Call remove_unnecessary_notes. + * sched-rgn.c (schedule_insns): Likewise. + * cfglayout.c (remove_scope_notes): Handle removing note at + the end of the insn chain. + * function.c (debug_find_var_in_block_tree): New. + +2001-12-27 Alan Modra <amodra@bigpond.net.au> + David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Simplify. + +2001-12-27 Jakub Jelinek <jakub@redhat.com> + + * toplev.c (independent_decode_option): Re-add -aux-info option + handling. + +Thu Dec 27 09:50:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * integrate.c (copy_insn_notes): Don't adjust REG_EH_REGION note + if special value. + +2001-12-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (is_ctor_dtor): Const-ify. + * m88k-protos.h (output_file_start): Likewise. + * m88k.c (m88k_lang_independent_options, output_options, + output_file_start): Likewise. + * fix-header.c (files_to_ignore, std_include_entry, include_entry, + std_include_table, main): Likewise. + * protoize.c (longopts): Likewise. + * regclass.c (int_reg_class_contents): Likewise. + * toplev.c (dump_file, f_options, W_options): Make static. + (lang_independent_options, f_options, W_options): Const-ify. + * tree-dump.c (dump_file_info): Likewise. + * unroll.c (_factor): Make static. + +Wed Dec 26 17:55:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/alpha/alpha.c (alpha_align_insns): Remove warning. + + * config/sparc/sparc.md (call struct patterns): Show starting + at two words long. + +2001-12-26 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add mcpu=405. + * sysv4.h (CPP_SYSV_SPEC, CPP_OS_VXWORKS_SPEC): Add mcpu=405. + +2001-12-26 DJ Delorie <dj@redhat.com> + + * function.c (expand_main_function): Make sure stack adjustments + happen before sjlj exception setup. + +2001-12-26 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (indirect_jump): Prefer CTR over LR. + * xcoff.h (ASM_DECLARE_FUNCTION_NAME): Handle weak function. + +Tue Dec 25 12:04:47 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c: Reformatting and minor code rearrangement. + +2001-12-24 Douglas B. Rupp (rupp@gnat.com) + + * configure.in (quoted_stage_prefix_set_by_configure): Generate. + * configure: Regenerated. + * Makefile.in (SUBDIR_FLAGS_TO_PASS): Use + quoted_stage_prefix_set_by_configure. + +Mon Dec 24 10:24:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.h (in_expr_list_p): New declaration. + * rtlanal.c (in_expr_list_p): New function. + * cfgcleanup.c: Reformatting and minor code rearrangement. + * cfglayout.c, cfgloop.c, cfgrtl.c: Likewise. + +2001-12-23 Richard Henderson <rth@redhat.com> + + PR c/5163: + * c-decl.c (duplicate_decls): As needed, set DECL_INLINE when + we have a function body associated. Minor cleanups. + (grokdeclarator): Do not set DECL_INLINE without a function body. + +2001-12-23 Richard Henderson <rth@redhat.com> + + * stmt.c (resolve_operand_names): Handle operand modifiers. + +2001-12-23 Richard Henderson <rth@redhat.com> + + * stmt.c (parse_input_constraint): Break out from ... + (expand_asm_operands): ... here. Loop over the operands twice, + the first time only calling mark_addressable. Correct and simplify + the conditions for spilling an output operand to memory. + +2001-12-23 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (call_operand) [OSF]: Disallow virtual regs. + + * config/alpha/alpha.md (UNSPEC_SIBCALL): New. + (sibcall, sibcall_value, sibcall_osf_1_er, sibcall_osf_1): Use it. + (sibcall_value_osf_1_er, sibcall_value_osf_1): Likewise. + +2001-12-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (c_start_case): Don't strip conversions from the + controlling expression. Partially fixes PR c/2454. + +2001-12-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (USER_H): Remove proto.h. + * config.gcc (c*-convex-*): Set extra_headers=proto.h. + +2001-12-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * arc.c (arc_hard_regno_mode_ok): Const-ify. + * arc.h (arc_hard_regno_mode_ok): Likewise. + * i386.c (x86_64_reg_class_name): Make static. + * m68k.c (regno_reg_class): Const-ify. + * m68k.h (regno_reg_class): Likewise. + * mcore.c (reg_class_from_letter): Likewise. + * mcore.h (reg_class_from_letter): Likewise. + * sh.c (reg_class_from_letter, ashiftrt_insns, shift_insns, + ext_shift_insns, ext_shift_amounts): Likewise. + * sh.h (reg_class_from_letter): Likewise. + * sparc.c (hard_regno_mode_classes, hard_32bit_mode_classes, + hard_64bit_mode_classes): Likewise. + * sparc.h (hard_regno_mode_classes): Likewise. + + * gcc.c (modify_target): Make static. + * gengenrtl.c (defs, formats): Likewise. + * reload1.c (elim_table_1, init_elim_table): Const-ify. + * tradcpp.c (directive, directive_table, handle_directive, + skip_if_group, run_directive): Likewise. + +2001-12-23 Richard Henderson <rth@redhat.com> + + * calls.c (expand_call): Don't turn off ECF_LIBCALL_BLOCK for + an invalid result register; do end the sequence properly. + (emit_library_call_value_1): Likewise. + +2001-12-22 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (rs6000_builtins): Add vsldoi variants. + + * config/rs6000/rs6000.md ("altivec_vsldoi_*"): Same. + + * config/rs6000/rs6000.c: Clean up some spacing and indentation. + (altivec_init_builtins): Add tree types for builtins with 4 bit + literals. + (bdesc_3arg): Add vsldoi variants. + +2001-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * 1750a.h (datalbl, jmplbl): Declare array size explicitly. + * a29k.h (a29k_debug_reg_map): Likewise. + * arc.h (arc_regno_reg_class): Likewise. + * c4x-protos.h (c4x_regclass_map, c4x_caller_save_map): Likewise. + * convex.h (regno_reg_class, reg_class_from_letter): Likewise. + * d30v.h (regno_reg_class, reg_class_from_letter): Likewise. + * i386.h (regclass_map): Likewise. + * m32r.h (m32r_hard_regno_mode_ok, m32r_punct_chars): Likewise. + * mcore.h (regno_reg_class): Likewise. + * mips.h (mips_print_operand_punct, mips_char_to_class): + Likewise. + * ns32k.h (regclass_map): Likewise. + * pj.h (pj_debugreg_renumber_vec): Likewise. + * s390.h (regclass_map): Likewise. + * sh.h (regno_reg_class): Likewise. + * sparc.h (sparc_regno_reg_class): Likewise. + + * hard-reg-set.h (reg_class_contents): Likewise. + * machmode.h (class_narrowest_mode): Likewise. + +2001-12-22 David Edelsohn <edelsohn@gnu.org> + + * loop.c (scan_loop, move_movables, count_one_set): Do not + overlook hard registers when computing statistics. + +Sun Dec 23 00:49:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * calls.c (ECF_LIBCALL_BLOCK): New constant. + (emit_call_1, initialize_argument_information, + precompute_arguments, expand_call, + emit_library_call_value_1): Use ECF_LIBCALL_BLOCK + instead of ECF_PURE | ECF_CONST. Honnor LCT_CONST/LCT_PURE. + +2001-12-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc (extra_headers): Move settings to math-68881.h and + ppc-asm.h to common code for CPU types. Use math-68881.h on all + m68k targets. + (header_files): Remove unused setting. + +2001-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * elxsi.c: Include "hard-reg-set.h" and/or don't declare + `call_used_regs' explicitly. + * i860.c: Likewise. + * m68k.c: Likewise. + * ns32k.c: Likewise. + * pa.c: Likewise. + * vax.c: Likewise. + * we32k.c: Likewise. + +Fri Dec 21 23:30:14 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (TARGET_CPU_DEFAULT_pentium_mmx): New. + (TARGET_CPU_DEFAULT_*): Renumber. + +Sat Dec 22 12:20:20 EST 2001 John Wehle (john@feith.com) + + * rtl.h (subreg_lsb): Declare. + * rtlanal.c (subreg_lsb): Implement. + +Sat Dec 22 08:59:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * predict.c: Reformatting and minor cleanups. + * cfg.c, cfganal.c, cfgbuild.c: Likewise. + + * expr.c (expand_expr, case ADDR_EXPR): Handling taking address of + SAVE_EXPR. + * function.c (gen_mem_addressof): Add missing tests for SAVE_EXPR. + (put_addressof_into_stack): Clarify code in setting of used_p. + + * calls.c (flags_from_decl_or_type): Move ECF_SP_DEPRESSED here. + (expand_call): Delete from here. + Do pending stack adjustments if ECF_SP_DEPRESSED. + + * dwarf2out.c (save_rtx): Deleted. + (mem_loc_descriptor): Do equivalent operation. + (add_const_value_attribute, case CONST): Likewise. + (add_name_and_src_coords_attributes): Likewise. + +2001-12-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix comment formatting. + +Fri Dec 21 17:30:15 2001 Jeffrey A Law (law@redhat.com) + + * pa.h (CPP_SPEC): If not in ANSI mode, define _INCLUDE_LONGLONG. + (CPLUSPLUS_CPP_SPEC): Define _INCLUDE_LONGLONG. + +2001-12-21 Robert Lipe <robertlipe@usa.net> + + * system.h (PREFETCH): Explictly undefine. + +2001-12-21 Richard Henderson <rth@redhat.com> + + * c-parse.in (SAVE_WARN_FLAGS): Save warn_traditional. + (RESTORE_WARN_FLAGS): Restore it. + (extension): Zero warn_traditional. + +2001-12-21 Kazu Hirata <kazu@hxi.com> + + * doc/passes.texi: Fix a typo. + +2001-12-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix a comment typo. + +2001-12-21 Jakub Jelinek <jakub@redhat.com> + + * combine.c (nonzero_bits): If using reg_nonzero_bits, + we don't know anything about bits outside of X mode. + (num_sign_bit_copies): Likewise. + +2001-12-21 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.md (prefetch): Use 'a' operand code. + +2001-12-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (gcc_AC_PROG_GNAT): Run prospective ada drivers in + subshells. + * configure.in: Likewise for perl Pod::Man. + + * configure: Regenerated. + +2001-12-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtin-attrs.def (__builtin_printf_unlocked, + __builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked): + Mark with the __printf__ attribute. + + * builtins.c (expand_builtin_fputs): Add an `unlocked' parameter + and set the replacement function depending on it. + (expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing. + Handle BUILT_IN_*_UNLOCKED when optimizing. + + * builtins.def (DEF_EXT_FALLBACK_BUILTIN, + DEF_EXT_FRONT_END_LIB_BUILTIN): New macros. + Declare the "unlocked" stdio functions. + + * c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf): + Add an `unlocked' parameter and set the replacement function + depending on it. + (c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and + BUILT_IN_FPRINTF_UNLOCKED. + + * doc/extend.texi (printf_unlocked, fprintf_unlocked, + fputs_unlocked): Document. + +2001-12-20 Josef Zlomek <zlomek@matfyz.cz> + + * cfgloop.c (flow_loops_find): Use the information of the depth + first search order of the CFG correctly when finding natural loops. + +2001-12-20 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (prologue_mcount): Update for explicit relocs. + +2001-12-20 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (call_operand) [OSF]: Accept pseudos. + * config/alpha/alpha.md (call_osf, call_value_osf): Don't force + operand into $27. + +2001-12-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in (all_headers, all_lib2funcs): Remove. + * configure: Regenerate. + * Makefile.in (LANG_EXTRA_HEADERS): Remove. + (USER_H): Don't include $(LANG_EXTRA_HEADERS). + * config/alpha/t-interix (USER_H): Don't include + $(LANG_EXTRA_HEADERS). + * config/i386/t-interix: Likewise. + * config/t-openbsd: Likewise. + +2001-12-20 Andreas Jaeger <aj@suse.de> + + * libgcc2.c (__bb_exit_func): Remove unused variable. + (num_digits): Remove unused function. + +2001-12-20 Alan Shieh <ashieh@hkn.eecs.berkeley.edu> + + * config/arm/arm.c (arm_output_epilogue): Changed IP restore + to use ldmfd instead of ldmea. + * config/arm/arm.c (arm_compute_initial_elimination_offset): + Modified to reflect behavior of arm_expand_prologue when generating + interrupt handlers + +2001-12-20 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): New + function. Compute which of registers r0 through r12 should be + saved onto the stack during a function's prologue. + (arm_compute_save_reg_mask): Use + arm_compute_save_reg0_reg12_mask. + (arm_compute_initial_elimination_offset): Use + arm_compute_save_reg0_reg12_mask. + + (arm_expand_prologue): Do not mark as save of the IP register + for an interrupt handler as being part of the frame creation + code. + +2001-12-20 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_real): Use REAL_VALUE_TO_x and assemble_integer + to emit floating point values. + (assemble_real_1): Remove. + + * 1750a/1750a.c (real_value_to_target_single): New. + (real_value_to_target_double): New. + * 1750a/1750a.h (TARGET_FLOAT_FORMAT): New. + (REAL_VALUE_TO_TARGET_SINGLE): New. + (REAL_VALUE_TO_TARGET_DOUBLE): New. + * 1750a/1750a-protos.h: Update. + + * 1750a/1750a.h, a29k/a29k.h, alpha/alpha.h, alpha/unicosmk.h, + alpha/vms.h, arc/arc.h, arm/aof.h, arm/aout.h, avr/avr.c, + avr/avr.h, c4x/c4x.h, clipper/clix.h, convex/convex.h, cris/cris.h, + d30v/d30v.h, dsp16xx/dsp16xx.c, dsp16xx/dsp16xx.h, elxsi/elxsi.h, + fr30/fr30.h, h8300/h8300.h, i370/i370.h, i386/i386.h, i386/i386elf.h, + i386/next.h, i386/ptx4-i.h, i386/sysv4.h, i860/fx2800.h, i860/i860.h, + i860/paragon.h, i860/sysv4.h, i960/i960-protos.h, i960/i960.c, + i960/i960.h, ia64/ia64.h, m32r/m32r.h, m68hc11/m68hc11.c, + m68hc11/m68hc11.h, m68k/3b1.h, m68k/altos3068.h, m68k/crds.h, + m68k/dpx2.h, m68k/hp320.h, m68k/m68k.h, m68k/mot3300.h, m68k/news.h, + m68k/next.h, m68k/next21.h, m68k/sgs.h, m68k/sun2o4.h, m68k/sun3.h, + m68k/tower-as.h, m88k/m88k.h, mcore/mcore.h, mips/mips-protos.h, + mips/mips.c, mips/mips.h, mmix/mmix-protos.h, mmix/mmix.c, + mmix/mmix.h, mn10200/mn10200.h, mn10300/mn10300.h, ns32k/encore.h, + ns32k/ns32k.h, pa/long_double.h, pa/pa.h, pdp11/pdp11.h, pj/pj.h, + romp/romp.c, romp/romp.h, rs6000/rs6000.h, s390/linux.h, sh/sh.h, + sparc/sparc.h, stormy16/stormy16.h, v850/v850.h, vax/vax.h, + vax/vaxv.h, we32k/we32k.h, doc/tm.texi: Remove ASM_OUTPUT_FLOAT, + ASM_OUTPUT_DOUBLE, ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_BYTE_FLOAT, + ASM_OUTPUT_SHORT_FLOAT, ASM_OUTPUT_THREE_QUARTER_FLOAT, and all + associated support routines. + +Thu Dec 20 16:58:46 CET 2001 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (flow_find_cross_jump): Avoid incrementing of ninsns + if one of block does not contain jump. + (outgoing_edge_math): Revert last path; require edges to be noncomplex + nonfake to match single exit edge; require conditional jumps to not + have side effect. + +2001-12-20 Turly O'Connor <turly@apple.com> + + * tm.texi (ASM_OUTPUT_OPERAND): Change documentation references to + "recog_operand" to "recog_data.operand". + * rtl.def: Likewise. + +2001-12-20 Jakub Jelinek <jakub@redhat.com> + + * simplify-rtx.c (simplifi_binary_operation) [DIV]: If DIV has + narrower mode than op0, only return the bits in DIV's mode. + +2001-12-20 Jakub Jelinek <jakub@redhat.com> + + * combine.c (distribute_notes): Avoid adding REG_LABEL notes + to JUMP_INSNs with JUMP_LABEL. + +2001-12-19 Aldy Hernandez <aldyh@redhat.com> + + * doc/install.texi: Add documentation for --enable-altivec. + + * config.gcc: Add support for --enable-altivec. + + * config/rs6000/altivec.h: New. + + * config/rs6000/linuxaltivec.h (SUBSUBTARGET_OVERRIDE_OPTIONS): + Define. Fix typo. + + * config/rs6000/rs6000.c (vrsave_operation): Change unspec to + unspec_volatile. + (generate_set_vrsave): Generate the unspec here instead of calling + an .md pattern. + (generate_set_vrsave): Use gen_rtvec. + (rs6000_emit_prologue): Replace call to gen_get_vrsave with + gen_rtx_SET. + + * config/rs6000/rs6000.md ("*movsi_internal1"): Add constraints + for setting special registers. + ("*set_vrsave_internal"): Use unspec_volatile. + ("set_vrsave"): Remove. + ("get_vrsave"): Remove. + + * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add vrsave to + SPECIAL_REGS. + +2001-12-19 Bruce Korb <bkorb@gnu.org> + + * gcc/fixinc/inclhack.def: Remove all the fix suppression "fixes". + (strict_ansi_not_ctd): accommodate __STDC__ == 0 tests in UW 2.1.2 + * gcc/fixinc/mkfixinc.sh(i?86-*-sysv4.2uw2*): now uses fixincl program + * gcc/fixinc/base/...: adjust for changes in fixes + +2001-12-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * po/gcc.pot: Regenerate. + + * configure.in (all_diff_excludes, diff_excludes): Remove. + * configure: Regenerate. + * Makefile.in (LANG_DIFF_EXCLUDES): Remove. + * objc/config-lang.in (diff_excludes): Remove. + +2001-12-19 Dan Nicolaescu <dann@ics.uci.edu> + + * config/sparc/sparc.md (ldd peephole2s): For load peepholes pass + the destination register as a parameter to mems_ok_for_ldd_peep. + For store peepholes pass NULL_RTX. Move all volatile checks ... + * config/sparc/sparc.c (mems_ok_for_ldd_peep): ... here. Add a + register parameter, check it's not the same as base for an address. + * config/sparc/sparc-protos.h (mems_ok_for_ldd_peep): Update. + +2001-12-19 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.c (ia64_single_set): Return first set for + prologue_allocate_stack and epilogue_deallocate_stack instructions. + +2001-12-19 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.h: LEGITIMIZE_RELOAD_ADDRESS: + redefine in terms of rs6000_legitimize_reload_address(). + * config/rs6000/rs6000-protos.h: Add this function. + * config/rs6000/rs6000.c: Add this function. Includes + handling for Darwin FP constants. + +Wed Dec 19 11:01:21 2001 Jeffrey A Law (law@redhat.com) + + * config/pa/t-hpux-shlib: New file. + * config.gcc (hpux10, hpux11): Include t-hpux-shlib in tmake_file + for 32bit hpux10 & hpux11 configurations. + +2001-12-19 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/xscale-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Pass + -mno-fpu onto gas unless -mhard-float is specified. + (MULTILIB_DEFAULTS): Include msoft-float. + + * config/arm/t-xscale-coff (EXTRA_MULTILIB_PARTS): Remove definition. + + * config/arm/coff.h (SUPPORTS_INIT_PRIORITY): Define (to false). + * config/arm/elf.h (SUPPORTS_INIT_PRIORITY): Define (to true). + +Wed Dec 19 06:12:34 2001 Douglas B. Rupp <rupp@gnat.com> + + * dwarf2out.c (add_name_and_src_coords_attributes): Fix VMS procedure + descriptor output. + +2001-12-18 Stan Shebs <shebs@apple.com> + + * rs6000.h (LOCAL_ALIGNMENT): Fix parens. + +Tue Dec 18 17:02:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (widen_memory_access): Only call compare_tree_int + on an INTEGER_CST. + +2001-12-18 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (rs6000_override_options): Only use DI ops when + TARGET_64BIT. Fix typo. + +Tue Dec 18 16:39:46 CET 2001 Jan Hubicka <jh@suse.cz> + + * att.h (ASM_FILE_START): Use asm_dialect. + * linux.h (ASM_FILE_START): Likewise. + * gas.h (ASM_FILE_START): Likewise. + * i386.c (ix86_debug_arg_string, ix86_debug_addr_string, + ix86_asm_string, ix86_asm_dialect): New. + (override_options): Set asm_dialect. + * i386.h (MASK_MIX_SSE_I387, MASK_INTEL_SYNTAX, MASK_DEBUG_ARG, + MASK_DEBUG_ADDR): Kill. + (MASK_64BIT, MASK_NO_RED_ZONE): renumber. + (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Use string. + (ASSEMBLER_DIALECT): Use asm_dialect. + (TARGET_SWITCHES): Undocument deprecated items; deprecate intel-syntax; + remove debug-addr and debug-arg. + (TARGET_OPTIONS): Add debug-arg, debug-addr, asm. + (asm_dialect): New enum. + (ix86_debug_arg_string, ix86_debug_addr_string, + ix86_asm_string, ix86_asm_dialect): Declare. + * invoke.texi (-mintel-syntax): Remove. + (-masm): Document. + +Tue Dec 18 16:37:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * libgcc2.c (__bb_exit_func): Kill -ax dumping code. + +2001-12-18 Jason Merrill <jason@redhat.com> + + C++ ABI change: destroy value arguments in caller. + * calls.c (initialize_argument_information): Pass the address of + the TARGET_EXPR temporary rather than storing it into another. + +Tue Dec 18 07:09:06 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Add /gnu/include. + * config/alpha/vms.h (STACK_CHECK_BUILTIN): #define 0 for VMS. + +2001-12-18 Jakub Jelinek <jakub@redhat.com> + + * config/linux.h (PREFERRED_DEBUGGING_TYPE): Remove. + * config/sparc/linux.h (PREFERRED_DEBUGGING_TYPE): Remove. + * config/sparc/linux64.h (PREFERRED_DEBUGGING_TYPE): Remove. + (CC1_SPEC): Don't default to -gstabs+ if -m32. + +2001-12-05 David O'Brien <obrien@FreeBSD.org> + + * elfos.h (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG. + +2001-12-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * po/gcc.pot: Regenerate. + +2001-12-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Fix comment typos. + * config/h8300/h8300.h: Fix comment formatting. + +2001-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * machmode.h (mode_name, mode_class, mode_size, mode_unit_size, + mode_bitsize, mode_mask_array, mode_wider_mode): Set array size in + declaration to NUM_MACHINE_MODES. + (mode_size, mode_unit_size): Set array type to unsigned char. + (mode_bitsize): Set array type to unsigned short. + + * rtl.c (rtx_length): Set array type to unsigned char. + (rtx_length, rtx_name, rtx_format, rtx_class): Set array size to + NUM_RTX_CODE. + (mode_bitsize): Set array type to unsigned short. + (mode_size, mode_unit_size): Set array type to unsigned char. + (mode_name, mode_class, mode_bitsize, mode_size, mode_unit_size, + mode_wider_mode, mode_mask_array): Set array size to + NUM_MACHINE_MODES. + + * rtl.h (rtx_length, rtx_name, rtx_format, rtx_class): Set array + size in declaration to NUM_RTX_CODE. + +2001-12-17 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (unop): Encode RB as $sp. + +2001-12-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update dependencies. + * c-lang.c: Remove unnecessary includes. + (deferred_fns, start_cdtor, finish_cdtor, defer_fn): Move to + c-objc-common.c. + (finish_file): Move body to c_common_finish_file. + * c-objc-common.c: Include varray.h and ggc.h. + (deferred_fns, start_cdtor, finish_cdtor, defer_fn, + expand_deferred_fns, c_objc_common_finish_file): Moved from c-lang.c. + (c_objc_common_init): Initialize deferred function array. + * c-tree.h (c_objc_common_finish_file, + static_ctors, static_dtors): New. +objc: + * Make-lang.in: Update dependencies. + * objc/objc-act.c: Don't include varray.h. + (defer_fn, deferred_fns): Move to c-objc-common.c. + (objc_init): Similarly for initialization of it. + (finish_file): Move some to c-objc-common.c, use + c_objc_common_finish_file. + +2001-12-17 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c: Remove is_gpr_return_reg prototype. + +2001-12-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +Mon Dec 17 14:21:21 2001 Jeffrey A Law (law@redhat.com) + + * expmed.c (emit_store_flag): Extract updated comparison code + from the return value of compare_from_rtx. + * expr.c (do_store_flag): Similarly. + +2001-12-17 Nick Clifton <nickc@cambridge.redhat.com> + + * caller-save.c (init_caller_save): Use MODE_BASE_REG_CLASS in + preference to BASE_REG_CLASS. + * recog.c (preprocess_constraints): Ditto. + * regclass.c (record_operand_costs, scan_one_insn, regclass, + record_reg_classes, record_address_regs): Ditto. + * regrename.c (scan_rtx_address, scan_rtx, + replace_oldest_value_addr, replace_oldest_value_mem): Ditto. + * reload.c (find_reloads, find_reloads_address, + find_reloads_address_1): Ditto. + * reload1.c (maybe_fix_stack_asms): Ditto. + * defaults.h (MODE_BASE_REG_CLASS): Provide default + definition. + * doc/tm.texi: Document MODE_BASE_REG_CLASS. + + * config/arm/arm.h (MODE_BASE_REG_CLASS): Define. + +2001-12-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi2html: Use -I $SOURCEDIR. + + Separate user and internals manuals. + * Makefile.in (info, $(docdir)/gcc.info, dvi, gcc.dvi): Update + dependencies. + ($(docdir)/gccint.info, gccint.dvi): New targets. + (maintainer-clean, install-info, uninstall): Update. + * doc/.cvsignore: Add gccint.info*. + * doc/include/gcc-common.texi: New file. + * doc/gcc.texi: Use it. Adjust to be a user-only manual. Put + copyright notice in a macro. Don't include ISBN unless FSFPRINT + is defined. + * doc/gccint.texi: New file. + * doc/configfiles.texi, doc/extend.texi, doc/invoke.texi, + doc/md.texi, doc/passes.texi, doc/tm.texi, doc/trouble.texi: + Update for separate user and internals manuals. + +2001-12-17 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.h: CPP_CPU_SPEC: add mcpu=7400. + ASM_CPU_SPEC: Ditto. + RTX_COSTS: Fix timing info for 7450 multiply. + * config/rs6000/rs6000.md: Fix timing info for 7450 imul. + Allow floats to be kept in int regs in movsf_low, + movsf_low_st (Darwin only) + +2001-12-17 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (vrsave_operation): Recognize SETs in + parallel. + (is_gpr_return_reg): New. + (rs6000_emit_prologue): Call generate_set_vrsave with additional + argument. Save only registers in the mask. Attach + REG_FRAME_RELATED_EXPR note to altivec offsets. Do not call + rs6000_frame_related when saving VRSAVE. + (rs6000_emit_epilogue): Call generate_set_vrsave with additional + argument. Restore only registers in the mask. Restore altivec + registers after we restore CR. + (generate_set_vrsave): New parameter epiloguep. Generate unspec + sets instead of clobbers for call saved registers. + (altivec_frame_fixup): New. + +2001-12-17 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.md (movdi_zero): Remove. + (movdi_insn_sp32_v9): New. + +2001-12-17 Richard Henderson <rth@redhat.com> + + * cfgcleanup.c (outgoing_edges_match): Check for insn match with + a single outgoing edge too. + +Mon Dec 17 18:27:52 CET 2001 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (redirect_edge_and_branch): Do simplify abnormal + edges resulting from computed jump + +Mon Dec 17 17:57:05 CET 2001 Jan Hubicka <jh@suse.cz> + + * Makefile.in (cfgcleanup.o): Add cselib.h dependency. + * basic-block.h (CLEANUP_THREADING): New constant. + * cfgcleanup.c: Include cselib.h + (thread_jump, mark_effect): New functions. + (try_forward_edges): Do jump threading when asked for. + * jump.c (mark_modified_reg, save_regs, num_same_regs, modified_regs, + modified_mem, thread_jumps, rtx_equal_for-thread_p): Kill. + * rtl.h (thread_jumps, rtx_equal_for_thread_p): Kill. + * toplev.c (rest_of_compilation): Do now call thread_jumps; use + CLEANUP_THREAD instead. + +2001-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc/linux.h (STARTFILE_SPEC): Fix typo in last change. + +2001-12-17 Tom Rix <trix@redhat.com> + + * config/rs6000/rs6000.c (expand_block_move): Fix limits on max size + of bytes. + +2001-12-17 Richard Sandiford <rsandifo@redhat.com> + + * target.h (asm_out.byte_op, asm_out.aligned_op, asm_out.unaligned_op, + asm_out.integer): New fields. + * target-def.h (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_[HSDT]I_OP, + TARGET_ASM_UNALIGNED_[HSDT]I_OP, TARGET_ASM_INTEGER): New initializers. + (TARGET_ASM_ALIGNED_INT_OP, TARGET_ASM_UNALIGNED_INT_OP): Collect + the individual initializers together. + (TARGET_ASM_OUT): Add the new initializers. + * output.h (assemble_integer): Return bool. + (integer_asm_op): Declare. + (default_assemble_integer): Declare. + (assemble_aligned_integer): New interface to assemble_integer. + * varasm.c (integer_asm_op): New function to select pseudo-op. + (default_assemble_integer): Default implementation of asm_out.integer. + (assemble_integer): Use the new target hook. Split objects into + words or bytes if the target hook fails. Return bool. + * doc/tm.texi (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_OUTPUT_SHORT, + ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_OUTPUT_QUADRUPLE_INT, + UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Undocument. + Document new target hooks. + + * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Use integer_asm_op. + * dwarf2asm.c (unaligned_integer_asm_op): Remove. + (dw2_assemble_integer): New. + (dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset, + dw2_asm_output_pcrel, dw2_asm_output_addr, dw2_asm_output_addr_rtx, + dw2_asm_output_encoded_addr_rtx): Use it. + (dw2_asm_output_nstring): Use assemble_integer for the null terminator. + (dw2_asm_output_data_uleb128, dw2_asm_output_data_sleb128): Use + integer_asm_op to get the byte pseudo-op. Use assemble_integer + if it returns NULL. + * dwarf2asm.h (dw2_assemble_integer): Declare. + * dwarfout.c: Include dwarf2asm.h. Use dwarf2 functions for the + default implementation of most macros. + (output_unsigned_leb128): Use dw2_asm_output_data. + (output_signed_leb128, dwarfout_source_line): Likewise. + (output_reg_number): Use dw2_assemble_integer. + (generate_macinfo_entry): Separate the type and offset arguments. + Use assemble_integer to write the value. + (dwarfout_start_source_file): Update generate_macinfo_entry usage. + (dwarfout_end_source_file, dwarfout_define, dwarfout_undef): Likewise. + * final.c (output_addr_const): Don't put brackets round a subtracted + symbol value or ".". + * halfpic.c (half_pic_finish): Use assemble_aligned_integer. + + * config/1750a/1750a.c (assemble_integer_1750a): New, + * config/alpha/alpha.h (literal_section): Avoid ASM_OUTPUT_INT. + * config/arc/arc.c (arc_assemble_integer): New. + * config/arc/arc.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT. + * config/arm/arm.c (arm_poke_function_name): Likewise. + (arm_assemble_integer): New, extracted from... + * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): ...here, now removed. + (ARM_TRAMPOLINE_TEMPLATE, ARM_FUNCTION_PROFILER): Avoid ASM_OUTPUT_INT. + (ARM_FUNCTION_PROFILER): Likewise. + * config/avr/avr-protos.h (asm_output_byte): Remove. + (asm_output_char, asm_output_short): Remove. + * config/avr/avr.c (avr_assemble_integer): New. + (asm_output_byte, asm_output_char, asm_output_short): Remove. + * config/clipper/clipper.h (ASM_LONG): Remove. + * config/dsp16xx/dsp16xx-protos.h (asm_output_long): Remove. + * config/dsp16xx/dsp16xx.c (asm_output_long): Remove. + * config/elxsi/elxsi.c (elxsi_assemble_integer): New. + * config/i370/i370.c (i370_hlasm_assemble_integer): New. + * config/i370/i370.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT. + (ASM_BYTE, ASM_SHORT, ASM_LONG): Delete. + * config/i386/att.h, (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP. + * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use + ASM_LONG instead of UNALIGNED_INT_ASM_OP. + * config/i386/sco5.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise. + (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP. + * config/i386/sysv4.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use + ASM_LONG instead of UNALIGNED_INT_ASM_OP. + * config/i860/fx2800.h (ASM_FILE_END): Avoid ASM_LONG. + * config/i860/i860.c (i860_output_function_epilogue): Likewise. + * config/i860/i860.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT. + (ASM_SHORT, ASM_LONG): Undefine. + * config/i860/paragon.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP. + * config/i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise. + * config/i960/i960.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT. + * config/ia64/ia64.c (ia64_assemble_integer): New. + * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use integer_asm_op. + (ASM_OUTPUT_DWARF_PCREL): Likewise. + * config/m68hc11/m68hc11.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, + ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_VEC_ELT): Avoid ASM_LONG. + (ASM_SHORT, ASM_LONG): Remove. + * config/m68k/m68k.h (INT_OP_GROUP): New macro. + (INT_OP_STANDARD, INT_OP_DOT_WORD, INT_OP_NO_DOT, INT_OP_DC): New + macros, the allowed values for INT_OP_GROUP. + * config/m68k/amix.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP + * config/m68k/atari.h (ASM_OUTPUT_ASCII): Likewise + * config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Likewise + * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove. + (INT_OP_GROUP): Define to INT_OP_NO_DOT. + * config/m68k/dpx2.h (ASM_LONG): Undefine. + (INT_OP_GROUP): Define to INT_OP_DC. + * config/m68k/dpx2g.h (ASM_LONG): Undefine. + * config/m68k/hp320.h (INT_OP_GROUP): Define to INT_OP_NO_DOT. + * config/m68k/lynx.h (ASM_LONG): Undefine. + * config/m68k/dpx2g.h (ASM_LONG): Undefine. + * config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP. + * config/m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise. + (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_*. + * config/m68k/mot3300.h (INT_OP_GROUP): Define to INT_OP_STANDARD + for GAS and INT_OP_NO_DOT otherwise. + (ASM_CHAR, ASM_BYTE, ASM_SHORT, ASM_LONG): Remove. + (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, + ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid ASM_LONG. + (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP. + * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove. + (INT_OP_GROUP): Define to INT_OP_STANDARD. + (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, + ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid LONG_ASM_OP. + (ASM_OUTPUT_ASCII): Avoid BYTE_ASM_OP. + * config/m68k/tower-as.h (ASM_LONG): Remove. + (INT_OP_GROUP): Define to INT_OP_NO_DOT. + * config/m88k/m88k.c (output_tdesc): Avoid ASM_LONG. + * config/m88k/m88k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT. + (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid ASM_LONG. + * config/mips/iris5.h (TARGET_IRIX5): Define. + * config/mips/mips.c (mips_assemble_integer): New. + * config/mips/sni-svr4.h (ASM_LONG): Undefine. + * config/mmix/mmix-protos.h (mmix_asm_output_double_int): Remove. + * config/mmix/mmix.c (mmix_assemble_integer): New. + (mmix_asm_output_double_int): Remove. + (mmix_print_operand): Call mmix_output_octa directly. + * config/mmix/mmix.h (ASM_LONG): Remove. + * config/ns32k/ns32k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT. + * config/pa/pa.c (pa_assemble_integer): New. + (pa_override_options): Only use aligned DI ops on 64-bit targets. + Only use the unaligned ops if TARGET_GAS. + * config/pdp11/pdp11.c (pdp11_assemble_integer): New. + * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT. + * config/pj/pj.h (ASM_LONG): Undefine. + * config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Undefine. + * config/rs6000/rs6000.c (rs6000_assemble_integer): New, mostly + extracted from ASM_OUTPUT_INT in sysv4.h. Use in_text_section() + and in_toc_section() rather than the in_section variable. + (rs6000_override_options): Only use DI ops when TARGET_POWERPC64. + * config/rs6000/sysv4.h (TOC_SECTION_FUNCTION): Add in_toc_section(). + (RELOCATABLE_NEEDS_FIXUP): Define. + * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Change space to tab. + * config/s390/linux.h (ASM_SHORT, ASM_LONG, ASM_QUAD): Remove. + (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Use integer_asm_op + to get the word directive. + (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP. + * config/s390/s390.c (s390_assemble_integer): New. + * config/s390/s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Use + integer_asm_op to get the word directive. + * config/sparc/sol2.h (ASM_SHORT, ASM_LONG): Remove. + * config/sparc/sparc-protos.h (output_double_int): Remove. + * config/sparc/sparc.c (output_double_int): Move to... + (sparc_assemble_integer): ...this new function. + (sparc_override_options): Only use .uaxword if TARGET_ARCH64. + * config/sparc/sparc.h (ASM_SHORT, ASM_LONG, ASM_LONGLONG): Remove. + * config/sparc/sysv4.h (ASM_LONG): Remove. + (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid + ASM_LONG. + * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Use assemble_aligned_integer. + * config/we32k/we32k.h (TRAMPOLINE_TEMPLATE): Likewise. + + * config/1750a/1750a.c, config/a29k/a29k.c, config/alpha/alpha.c, + config/arc/arc.c, config/arm/arm.c, config/avr/avr.c, config/c4x/c4x.c, + config/clipper/clipper.c, config/convex/convex.c, config/cris/cris.c, + config/d30v/d30v.c, config/dsp16xx/dsp16xx.c, config/elxsi/elxsi.c, + config/fr30/fr30.c, config/h8300/h8300.c, config/i370/i370.c, + config/i386/i386.c, config/i860/i860.c, config/i960/i960.c, + config/ia64/ia64.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c, + config/m68k/m68k.c, config/m88k/m88k.c, config/mips/mips.c, + config/mmix/mmix.c, config/mn10200/mn10200.c, config/mn10300/mn10300.c, + config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c, + config/sh/sh.c, config/sparc/sparc.c, config/stormy16/stormy16.c, + config/v850/v850.c, config/vax/vax.c, config/we32k/we32k.c + (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_HI_OP, + TARGET_ASM_ALIGNED_SI_OP, TARGET_ASM_ALIGNED_DI_OP, + TARGET_ASM_UNALIGNED_HI_OP, TARGET_ASM_UNALIGNED_SI_OP, + TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_INTEGER): Redefine as + appropriate. + + * config/defaults.h, config/darwin.h, config/elfos.h, config/svr3.h, + config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h, + config/arc/arc.h, config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h, + config/clipper/clipper.h, config/convex/convex.h, config/cris/cris.h, + config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h, + config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h, + config/i386/bsd.h, config/i386/djgpp.h, config/i386/i386.h, + config/i386/sco5.h, config/i386/sol2.h, config/i386/sun386.h, + config/i860/i860.h, config/i960/i960.h, config/ia64/ia64.h, + config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/auxas.h, + config/m68k/dpx2.h, config/m68k/hp320.h, config/m68k/m68k.h, + config/m68k/mot3300.h, config/m68k/sgs.h, config/m68k/tower-as.h, + config/m88k/m88k.h, config/mcore/mcore-elf.h, config/mcore/mcore.h, + config/mips/iris5.h, config/mips/iris6.h, config/mips/mips.h, + config/mmix/mmix.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h + config/ns32k/encore.h, config/ns32k/ns32k.h, config/pa/pa-64.h, + config/pa/pa.h, config/pdp11/pdp11.h, config/pj/pj.h, + config/romp/romp.h, config/rs6000/linux64.h, config/rs6000/rs6000.h, + config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/linux.h, + config/sh/sh.h, config/sparc/linux64.h, config/sparc/sol2.h, + config/sparc/sp64-elf.h, config/sparc/sparc.h, config/sparc/sysv4.h, + config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h, + config/we32k/we32k.h (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_BYTE_OP, + ASM_BYTE, ASM_OUTPUT_SHORT, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, + UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Undefine, where defined. + +2001-12-17 Stan Shebs <shebs@apple.com> + + * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Define. + (STACK_BOUNDARY): Remove definition. + (CPP_PREDEFINES): Define __POWERPC__. + +2001-12-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/c-tree.texi (Trees): Only refer to GCC. + +2001-12-17 Andreas Jaeger <aj@suse.de> + + * c-common.def: Fix typo in comment. + +2001-12-16 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (sparc64-*-freebsd*): Add target. + * config/sparc/freebsd.h: New file. + * config/sparc/sparc.h (LIB_SPEC, LINK_SPEC): Don't define. + * config/sparc/sunos4.h (LIB_SPEC, LINK_SPEC): Define. + * config/sparc/sysv4.h (CPP_PREDEFINES): Undefine before defining. + +2001-12-16 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_legitimize_address): Force both + PLUS operands into registers for altivec mode. + +2001-12-16 Aldy Hernandez <aldyh@redhat.com> + + * builtins.c (apply_args_size): Change regno to unsigned. + +2001-12-16 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): Change + ALTIVEC_ARG_MAX_REG to ALTIVEC_ARG_NUM_REG. + +2001-12-16 Zack Weinberg <zack@codesourcery.com> + + * c-typeck.c (error_init, pedwarn_init, warning_init): Call + gettext on argument before printing. + + * fold-const.c (negate_expr): Always call fold on new + NEGATE_EXPR. + +2001-12-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.def (COMPOUND_LITERAL_EXPR): Contain a DECL_STMT, not + a DECL directly. + * c-common.h (COMPOUND_LITERAL_EXPR_DECL_STMT): New. + (COMPOUND_LITERAL_EXPR_DECL): Adjust definition. + * c-decl.c (build_compound_literal): Put the decl inside a + DECL_STMT. + * doc/c-tree.texi (COMPOUND_LITERAL_EXPR): Update documentation. + Fixes PR c/5105. + +2001-12-16 Aldy Hernandez <aldyh@redhat.com> + + * config.gcc: Add powerpc-*-eabisimaltivec*. + +2001-12-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c, c-common.h (back_end_hook): Remove. + * c-lang.c (finish_file): Remove back_end_hook. + +Sun Dec 16 13:13:01 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (highest_pow2_factor, case INTEGER_CST): Fix error in + last change. + +2001-12-16 Richard Henderson <rth@redhat.com> + + * toplev.c (parse_options_and_default_flags): Don't enable + flag_cprop_registers at -O1. + +2001-12-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * avr.c (avr_simplify_comparision_p, adjust_insn_length, + mask_one_bit_p, output_reload_insisf): Don't use the 'U' suffix. + * avr.h (reg_class): Likewise. + * avr.md: Likewise. + * mcore.c (try_constant_tricks, mcore_byte_offset, + mcore_halfword_offset): Likewise. + * sh.c (shl_sext_kind, gen_block_redirect, split_branches): Likewise. + * v850.c (not_power_of_two_operand): Likewise. + + * clipper/clix.h (ASM_OUTPUT_ASCII): Avoid signed/unsigned + warnings. + * convex.h (ASM_OUTPUT_ASCII): Likewise. + * i370.h (ASM_OUTPUT_ASCII): Likewise. + * i386/att.h (ASM_OUTPUT_ASCII): Likewise. + * i386/i386-interix.h (ASM_OUTPUT_ASCII): Likewise. + * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise. + * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise. + * i386/sco5.h (ASM_OUTPUT_ASCII): Likewise. + * i386/sun386.h (ASM_OUTPUT_ASCII): Likewise. + * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise. + * i860/bsd.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/3b1.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/amix.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/atari.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/crds.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/hp320.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/mot3300.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/sgs.h (ASM_OUTPUT_ASCII): Likewise. + * m68k/tower-as.h (ASM_OUTPUT_ASCII): Likewise. + * mips/bsd-5.h (ASM_OUTPUT_ASCII): Likewise. + * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise. + * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise. + * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise. + * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise. + * vax/vaxv.h (ASM_OUTPUT_ASCII): Likewise. + * we32k/we32k.h (ASM_OUTPUT_ASCII): Likewise. + + * i386/uwin.h (MD_STARTFILE_PREFIX): Avoid redefinition warnings. + * interix.h (TARGET_MEM_FUNCTIONS): Likewise. + * psos.h (CPP_PREDEFINES): Likewise. + * rs6000/linux64.h (ROUND_TYPE_ALIGN): Likewise. + * rs6000/xcoff.h (RS6000_MCOUNT, RS6000_ITRUNC, RS6000_UITRUNC, + ASM_OUTPUT_EXTERNAL): Likewise. + * sparc/liteelf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO): + Likewise. + * sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): Likewise. + * sparc/sp86x-elf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO): + Likewise. + * sparc/sunos4.h (SUNOS4_SHARED_LIBRARIES): Likewise. + + * c-lex.c (lex_number): Use ISXDIGIT/hex_value. + * vax/xm-vms.h (FILE_NAME_NONDIRECTORY): Use ISUPPER/TOLOWER. + * fold-const.c (real_hex_to_f): Use hex_value. + * real.c (asctoeg): Use hex_value & ISXDIGIT. + * toplev.c (toplev_main): Call hex_init. + * tradcpp.c (main): Call hex_init. + + * nextstep-protos.h: New file. + * nextstep.c: Include "rtl.h", "output.h" & "tm_p.h". + * nextstep.h (INCLUDE_DEFAULTS): Delete LOCAL_INCLUDE_DIR and + STANDARD_INCLUDE_DIR from the CROSS_COMPILE clause. + (nextstep_asm_out_constructor, nextstep_asm_out_destructor, + handle_pragma): Move prototypes to nextstep-protos.h. + * config.gcc (i[34567]86-next-*, m68k-next-nextstep2*, + m68k-next-nextstep[34]*): Append nextstep-protos.h to tm_p_file. + +2001-12-16 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR other/3725 + * configure.in: Add AC_SUBST(target_alias). + * configure: Regenerated. + +2001-12-15 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (sibcall_osf_1_er): New. + (sibcall_value_osf_1_er): New. + +2001-12-15 Dan Nicolaescu <dann@ics.uci.edu> + + * config/sparc/sparc.c (mems_ok_for_ldd_peep): Rename from + addrs_ok_for_ldd_peep_withmem; take MEMs as parameters, not + addrs; eliminate restriction of only using fp and sp as base + registers. + * config/sparc/sparc-protos.h: Update. + * config/sparc/sparc.md (movdi): Use TARGET_V9 not TARGET_ARCH64. + (*cmp_cc_set, *cmp_ccx_set64, *movdi_zero): New insns derived + from old define_peepholes. + Convert all the ldd/std peepholes to peephole2. + +2001-12-15 Ulrich Weigand <uweigand@de.ibm.com> + + * s390.md (prologue, epilogue, *return_si, *return_di): New. + s390.c (find_unused_clobbered_reg, s390_frame_info, + save_fpr, restore_fpr, s390_emit_prologue, s390_emit_epilogue): New. + s390-protos.h (s390_emit_prologue, s390_emit_epilogue): Declare. + s390.c (s390_arg_frame_offset): Use s390_frame_info. + (leaf_function_flag, cur_is_leaf_function, + save_fprs, restore_fprs, force_const_mem_late): Remove. + (s390_function_prologue, s390_function_epilogue): Mostly remove. + s390.md (lit): New. Uses ... + s390.c (s390_output_constant_pool): ... this, so adapt and make global. + s390-protos.h (s390_output_constant_pool): Declare. + s390.md (load_multiple, store_multiple): Allow use after reload. + s390.c (load_multiple_operation, store_multiple_operation): Likewise. + s390.h (INCOMING_FRAME_SP_OFFSET): Define. + s390.h (CALL_REALLY_USED_REGISTERS): Define. + config/s390/linux64.h (CALL_USED_REGISTERS): Remove, now handled ... + s390.h (CONDITIONAL_REGISTER_USAGE): ... here. + s390.c (s390_sr_alias_set): New global variable, initialized ... + (override_options): ... here. New. + s390-protos.h (override_options): Declare. + s390.h (OVERRIDE_OPTIONS): Call it. + s390.c (s390_function_profiler): New. + s390-protos.h (s390_function_profiler): Declare. + s390.h (FUNCTION_PROFILER): Call it. + s390.c (s390_profile): Remove. + + * s390.c (reg_used_in_mem_p): PC reload counts as memory access. + (addr_generation_dependency_p): Consider literal pool register loads. + (s390_adjust_priority): Do not schedule load_multiple. + s390.md (attribute "type"): Define some additional types. + (function_unit "integer"): Adapt. + (many insns): Adapt "type" attribute setting. + + * s390.c (general_s_operand, s_imm_operand): New. + (s_operand): Remove old definition, call general_s_operand instead. + s390-protos.h (s_imm_operand): Declare. + s390.c (base_n_index_p, r_or_s_operand, r_or_s_or_im8_operand, + r_or_x_or_im16_operand, r_or_im8_operand): Remove. + s390-protos.h (r_or_s_operand, r_or_s_or_im8_operand, + r_or_x_or_im16_operand, r_or_im8_operand): Likewise. + s390.h (PREDICATE_CODES): Add s_imm_operand, remove r_or_s*_operand. + s390.md (many insns): Rework insn predicates. + + * s390.c (legitimate_pic_operand_p, legitimate_constant_p): Accept all + non-symbolic constants. Reload will force them because of ... + (s390_preferred_reload_class): ... this. New. + s390-protos.h (s390_preferred_reload_class): Declare. + s390.h (PREFERRED_RELOAD_CLASS): Call it. + s390.md (movdi, movsi, movdf, movsf, *reload_la_64 splitters, + *reload_la_31 splitters): Handle constants after reload. + (many insns): no longer force all constants immediately. + s390.c (legitimate_reload_constant_p): New helper routine. + s390-protos.h (legitimate_reload_constant_p): Declare. + s390.c (print_operand): Clean up CONST_INT case, add CONST_DOUBLE case. + + * s390.h (FIRST_PSEUDO_REGISTER, FRAME_POINTER_REGNUM, + HARD_FRAME_POINTER_REGNUM, REGISTER_NAMES): Add virtual frame pointer. + (CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS): Update. + (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Likewise. + (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_NONSTRICT_P): Likewise. + (DWARF_FRAME_REGISTERS): Define. + s390.c (regclass_map): Add virtual frame pointer. + (legitimate_la_operand_p): Allow use of virtual frame pointer. + s390.md (*la_ccclobber, *addaddr_ccclobber): New. + (addaddr, addsi_64): Delete. + + * s390.h (HARD_REGNO_MODE_OK): Allow SImode and DImode values in + floating point registers. + (CLASS_CANNOT_CHANGE_MODE, CLASS_CANNOT_CHANGE_MODE_P): Define. + (ADDR_FP_REGS, GENERAL_FP_REGS): New register classes. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update. + + * s390.md (movti): Replace multi-insn output with splitters. + (movdi_31, movdf_31): Likewise. + (movti_ss, movdi_ss, movsi_ss, movdf_ss, movsf_ss): New. + (movdi_lhi, movdi_lli, movdi_larl, movsi_lhi, movsi_lli): New. + (movdi_64, movdi_31, movsi, movdf_64, movdf_31): Adapt. + (movdf_soft_64, movdf_soft_31, movsf_soft): Remove. + (movsf_64, movsf_31): Remove, replace by ... + (movsf): ... this. + (movqi_64): Use lhi instead of llill. + (*movstrictqi, *movstricthi): Don't use (strict_low_part (mem)). + + * s390.md (extendsidi2, *extendsidi2, extendhidi2, *extendhidi2, + extendqidi2, extendhisi2, *extendhisi2, extendqisi2, + extendqihi2 and associated splitters): Reworked. + (zero_extendsidi2, zero_extendsidi2, *zero_extendsidi2, + zero_extendhidi2, *zero_extendhidi2, zero_extendqidi2, + zero_extendqidi2, *zero_extendqidi2, zero_extendhisi2, + *zero_extendhisi2_64, zero_extendhisi2_31, zero_extendqisi2, + *zero_extendqisi2_64, *zero_extendqisi2_mem_31, + zero_extendqisi2_reg_31, zero_extendqihi2, *zero_extendqisi2_64, + zero_extendqihi2, zero_extendqihi2_64, zero_extendqihi2_31, + and associated splitters): Likewise. + (*sethighqisi, *sethighhisi, *sethighqidi_64, *sethighqidi_31 + and associated splitters): New. + (truncdisi2, truncdihi2, truncdiqi2, truncsihi2, do_truncsihi2, + *truncsihi2_64, truncsiqi2, trunchiqi2): Remove. + (ashlhi3, ashrhi3, lshrhi3, abshi3): Remove. + s390.h (PROMOTE_PROTOTYPES): Remove. + config/s390/linux64.h (PROMOTE_PROTOTYPES): Likewise. + + * s390.md (muldi3): Delete, use instead ... + (mulsidi3): ... this. + (*muldi3_64): Rename to muldi3. + (mulsi_6432): Fix template. + (divdi3, moddi3): Delete, replace by ... + (divmoddi4): ... this. + (divmodtidi3): Fix template. + (divmodtisi3): New. + (udivdi3, umoddi3): Delete, replace by ... + (udivmoddi4): ... this. + (udivmodtidi3): Fix template. + (divsi3, modsi3): Delete, replace by ... + (divmodsi4): ... this. + (divmoddisi3): Fix template. + (udivsi3, umodsi3): Adapt. + + * s390.md (anddi3): Remove SS alternative, use instead ... + (anddi3_ss, anddi3_ss_inv): ... these. + (anddi3_ni): New. + (andsi3*, andhi3*, andqi3*): Likewise. + (iordi3): Remove SS alternative, use instead ... + (iordi3_ss, iordi3_ss_inv): ... these. + (iordi3_oi): New. + (iorsi3*, iorhi3*, iorqi3*): Likewise. + (iordi3_cc, iordi3_cconly, iorsi3_cc, iorsi3_cconly): New. + (xordi3): Remove SS alternative, use instead ... + (xordi3_ss, xordi3_ss_inv): ... these. + (xordi3_oi): New. + (xorsi3*, xorhi3*, xorqi3*): Likewise. + (xordi3_cc, xordi3_cconly, xorsi3_cc, xorsi3_cconly): New. + (one_cmpldi2, one_cmplsi2, one_cmplhi2, one_cmplqi2): + Expand to XOR with -1. + (*one_cmpldi2, *one_cmplsi2, *one_cmplhi2): Remove. + (cmpdi_tm): Delete, replace by ... + (cmpdi_tm_reg, cmpdi_tm_mem): ... these. + (cmpsi_cct): Delete, replace by ... + (cmpsi_tm_reg, cmpsi_tm_mem): ... these. + (cmpdi_tm2, cmpsi_tm2): Improve. + (cmphi_tm_sub, cmpqi_tm_sub, cmpqi_tm2, cmpqi_tm): New. + s390.c (s390_single_hi, s390_extract_hi, + s390_single_qi, s390_extract_qi): New helper routines. + s390-protos.h (s390_single_hi, s390_extract_hi, + s390_single_qi, s390_extract_qi): Declare. + s390.c (tmxx_operand, const1_operand): Remove. + s390-protos.h (tmxx_operand, const1_operand): Likewise. + s390.h (PREDICATE_CODES): Likewise. + + * s390.md (sqrtdf2, sqrtsf2): New. + + * s390.h (CRT_CALL_STATIC_FUNCTION): Define. + (check_and_change_labels): Remove section-change special case. + + * s390.h (RETURN_ADDR_RTX): Fix use of __builtin_return_address + in leaf functions. Needs ... + (DYNAMIC_CHAIN_RTX): ... this. New. + + * s390.c (emit_pic_move): Don't generate pseudos if no_new_pseudos. + + * s390.md (movstrdix_64, movstrsix_31, movstrdi_64, movstrsi_31, + clrstrsi_64, clrstrsi_31, cmpstr_64, cmpstr_31): Do not clobber + input operands using a match_dup clause. + (movstrdi, movstrsi, clrstrdi, clrstrsi, cmpstrdi, cmpstrsi): Adapt. + + * s390.md (floatdidf2, floatdisf2, floatsidf2, floatsidf2_ieee, + floatsisf2, floatsisf2_ieee): Add missing CC clobber. + + * s390.md (floatsidf2_ibm): Use correct operand. + + * s390.md (fixuns_truncdfdi2, fixuns_truncdfsi2, fix_truncdfsi2, + fixuns_truncsfdi2, fixuns_truncsfsi2, floatsidf2): Remove use of + non-portable constants. + s390.c (s390_gen_rtx_const_DI): New helper routine. + s390-protos.h (s390_gen_rtx_const_DI): Declare. + + * s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Fix alignment. + + * config/s390/linux.h (ASM_OUTPUT_SHORT, ASM_OUTPUT_CHAR, + ASM_OUTPUT_BYTE): Clean up assembly output. + (ASM_OUTPUT_SKIP, ASM_OUTPUT_ALIGN): Remove duplicate definitions. + (ASM_OUTPUT_ASCII): Remove. + + * config/s390/t-linux (CRTSTUFF_T_CFLAGS_S): Define. + +2001-12-15 Zack Weinberg <zack@codesourcery.com> + + * unwind-dw2-fde-glibc.c: #define _Unwind_Find_FDE to itself + before including unwind-dw2-fde.c, if we are not using the + special code in this file. + +2001-12-15 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (TARGET_SWITCHES): Turn on + MASK_EXPLICIT_RELOCS if the assembler supports it. + * configure.in (HAVE_AS_EXPLICIT_RELOCS): New. + * configure, config.in: Rebuild. + +Sat Dec 15 17:53:03 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * calls.c (emit_call_1): If ECF_SP_DEPRESSED, pretend have adjusted + for rounded_stack_size. + +2001-12-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c, config/i386/i386.h, config/mcore/mcore.h, + config/ns32k/ns32k.h, config/rs6000/sysv4.h, fold-const.c, + toplev.c, cppinit.c, cppmacro.c, gcc.c: Use "built-in" and + "bit-field" spellings in messages. + * po/gcc.pot: Regenerate. + +2001-12-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.c, config/fr30/fr30.c, config/v850/v850-c.c, toplev.c: Use + American spelling in messages. + * po/gcc.pot: Regenerate. + +2001-12-15 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Adjust whitespacing. Remove + constraints from expanders. Replace \@ with @. + +2001-12-15 Richard Earnshaw <rearnsha@arm.com> + + * arm/unknown-elf.h (CPP_PREDEFINES): Add a suitable default. + +2001-12-15 Ulrich Weigand <uweigand@de.ibm.com> + + * regrename.c (copyprop_hardreg_forward): Do not keep register + value data live across abnormal call or eh egdes. + +Sat Dec 15 08:29:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (highest_pow2_factor, case INTEGER_CST): Return + BIGGEST_ALIGNMENT for 0. + +Sat Dec 15 14:13:03 CET 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (PRED_NORETURN): Make probabilities match reality. + (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL, PRED_ERROR_RETURN): + Likewise. + +2001-12-15 Jakub Jelinek <jakub@redhat.com> + + * configure.in: Check for ld. + (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option. + * configure, config.in: Rebuilt. + * config.gcc: Add crtbeginT.o to extra_parts where needed. + * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc + frame unwinding on Linux. + * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde + frame unwinding. + * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static. + (LINK_EH_SPEC): Define. + * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static. + * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define. + * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't + iterate further if pc falls into current library, but fde was not + found. + * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static + if using glibc. + (LINK_EH_SPEC): Define. + * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64): + Use crtbeginT.o for -static. + (LINK_EH_SPEC): Define. + * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. + * Makefile.in (crtbeginT.o): Add rule. + * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh. + If neither -static-libgcc nor -shared-libgcc is passed and -shared, + use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not. + If none of the above switches are passed, use -lgcc -lgcc_eh. + (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec. + * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if + creating libgcc_s.so, put them into separate libgcc_eh.a instead. + * unwind-dw2-fde.c: Don't include any headers if this file + is included from other .c file. + * unwind-dw2-fde-glibc.c: New file. + * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define. + Use it instead of EH_FRAME_SECTION_NAME where appropriate. + +2001-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_memcmp): Mark parameter with + ATTRIBUTE_UNUSED. + * cfgcleanup.c (insns_match_p): Likewise. + * regrename.c (mode_change_ok): Likewise. + * gcc.c (execute): Const-ify. + +2001-12-14 Aldy Hernandez <aldyh@redhat.com> + + * c-parse.in (typename): Do not split attributes. + Remove unsupported attributes warning. + + * c-decl.c (groktypename): Apply attributes. + +2001-12-14 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (spill_restore_mem): Mark iterator + initialization as possibly dead. + +2001-12-14 Richard Henderson <rth@redhat.com> + + * regrename.c (mode_change_ok): New. + (find_oldest_value_reg): Use it. + +2001-12-14 Richard Henderson <rth@redhat.com> + + * regrename.c (struct value_data): Add max_value_regs. + (init_value_data): Initialize it. + (kill_value): Kill values that overlap the dying register. + (set_value_regno): New. + (kill_set_value, kill_autoinc_value, copy_value): Use it. + (copyprop_hardreg_forward_1): Kill earlyclobber operands + before looking at inputs. + +2001-12-14 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Handle + DECL_WEAK for function descriptors. + * config/rs6000/xcoff.h (HANDLE_PRAGMA_WEAK): Define if assembler + weak support present. + (ASM_WEAKEN_LABEL): Same. + +2001-12-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (anonymous pattern): Add a missing + mode. + +2001-12-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8300_adjust_insn_length): Fix a + comment typo. + +2001-12-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8300_handle_eightbit_data_attribute): + Remove the initialization requierment. + (h8300_handle_tiny_data_attribute): Likewise. + +2001-12-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (udivqi3): Remove. + (divqi3): Likewise. + (udivhi3): Likewise. + (divhi3): Likewise. + (umodqi3): Likewise. + (modqi3): Likewise. + (umodhi3): Likewise. + (modhi3): Likewise. + (udivmodqi3): New. + (divmodqi3): Likewise. + (udivmodhi3): Likewise. + (divmodhi3): Likewise. + +Sat Dec 15 01:39:12 CET 2001 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (flow_find_cross_jump): Replace tests for note + by active_insn_p; count conditional jump as instruction. + +2001-12-14 DJ Delorie <dj@redhat.com> + Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/cygwin.h (I386_PE_STRIP_ENCODING): Handle '*' + at SYM_NAME[0] or SYM_NAME[3]. + (STRIP_NAME_ENCODING): Don't check for leading '*'. + +2001-12-14 Ira Ruben <ira@apple.com> + + Add -### option (displays driver-generated commands without + executing and quotes all arguments). + * doc/invoke.texi: Add -###. + * gcc.c (verbose_only_flag) - New flag. + * (execute): If -### write quoted arguments and return. + * (display_help): Print meaning of -###. + * (process_command): Handle -###. + +2001-12-14 Ira Ruben <ira@apple.com> + + Fix to no allow -save-temps to clobber user's source file. + * gcc.c: Add static globals input_stat and input_stat_set. + (do_spec_1): For 'g', 'u', 'U' case with save_temps_flag + set, check that user's input file is not overwritten. + (set_input): Reset input_stat_set for each new file. + +Fri Dec 14 22:14:44 CET 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Fix LOOP_EXIT heuristic. + +2001-12-14 Zack Weinberg <zack@codesourcery.com> + + * combine.c (record_dead_and_set_regs): Use + regs_invalidated_by_call. Don't note stores for CALL_INSNs. + +2001-12-14 Roger Sayle <roger@eyesopen.com> + + * builtins.def: Rename BUILT_IN_FSQRT to BUILT_IN_SQRT and + __builtin_fsqrt to __builtin_sqrt. + + * builtins.c (expand_builtin_mathfn,expand_builtin): Same. + * doc/extend.texi: Simplify documentation to match patch. + +Fri Dec 14 21:23:54 CET 2001 Jan Hubicka <jh@suse.cz> + + * config.gcc: Revamp target_cpu_default2 to strings; + support new x86 variants. + * i386.c (override_options): Default x86_cpu_string and x86_arch_string + properly; set prefetch_sse. + * i386.h (x86_prefetch_sse): Declare. + (TARGET_PREFETCH_SSE): New. + (CPP_CPU_DEFAULT_SPEC): Define according to the new macros. + (TARGET_CPU_DEFAULT_*): New. + +Thu Dec 13 21:57:13 CET 2001 Janis Johnson <janis187@us.ibm.com> + Jan Hubicka <jh@suse.cz> + + * config/i386/i386.h (struct processor_costs): Add new members + prefetch_block and simultaneous_prefetches. + (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): New. + * config/i386/i386.c (processor_costs structs): Add values for + prefetch_block and simultaneous_prefetches. + * config/i386/i386.md (unspec values): Remove values for prefetch + operations, which now use the PREFETCH rtx code. + (prefetch_sse, prefetch_3dnow, prefetchw): Combine to use new + unified prefetch support. + +2001-12-14 Jason Merrill <jason@redhat.com> + + * diagnostic.c (sorry): Increment sorrycount before saving the + buffer state. + +Fri Dec 14 19:53:23 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sqrt?f): Fix conditionals. + +Fri Dec 14 07:29:52 2001 Douglas B. Rupp <rupp@gnat.com> + + * config.gcc (alpha64-dec-*vms*): New case. + * config/alpha/t-vms64, config/alpha/vms-crt0-64.c: New files. + * config/alpha/vms-psxcrt0-64.c, config/alpha/vms64.h: Likewise. + * config/alpha/xm-vms64.h: Likewise. + + * config/alpha/alpha.c (vms_attribute_table): Add new attributes. + (alpha_write_linkage): Test for null alpha_links. + (SECTION_VMS_GLOBAL, SECTION_VMS_INITIALIZE): New section attributes. + (vms_section_type_flags, vms_asm_named_section): Handle them. + +Fri Dec 14 12:05:14 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_fpmath, ix86_fpmath_string): New. + (override_option): Set ix86_fpmath. + * i386.h (MASK_MIX_SSE_I387): Remove. + (TARGET_SSE_MATH): New. + (TARGET_MIX_SSE_I387): Use ix86_fpmath. + (TARGET_SWITCHES): Remove "mix-sse-i387". + (fpmath_unit): New enum. + (ix86_fpmath, ix86_fpmath_string): Declare. + * i386.md (swapsf): Fix condition. + (add?f, sub?f, mul?f, div?f, sqrt?f, min?f): Use TARGET_SSE_MATH. + (fp_?f_*_nosse): New. + (fp_*): Use TARGET_SSE_MATH. + * invoke.texi (-mfpmath): Document. + (-msse2): Add. + +2001-12-14 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (output_die): Print the string in the comment for + a DW_FORM_strp. + +2001-12-14 Richard Earnshaw <rearnsha@arm.com> + + * netbsd.h (COLLECT_SHARED_INIT_FUNC) + (COLLECT_SHARD_FINI_FUNC): Remove redundant semicolon. + * doc/tm.texi (COLLECT_SHARED_INIT_FUNC) + (COLLECT_SHARD_FINI_FUNC): Use @code where appropriate. + +2001-12-13 Richard Henderson <rth@redhat.com> + + * regrename.c (kill_value_regno): Simplify chain removal. + (kill_value): Kill all of HARD_REGNO_NREGS. + (kill_set_value): Use kill_value not kill_value_regno. + (kill_autoinc_value): Likewise. + (copyprop_hardreg_forward): Don't collect refresh_blocks. + Call delete_noop_moves. + +2001-12-13 Aldy Hernandez <aldyh@redhat.com> + + * attribs.c (c_common_attribute_table): Swap decl_req and type_req + for the mode attribute. + (handle_mode_attribute): Handle types, not decls. + +2001-12-13 Jason Merrill <jason@redhat.com> + + * c-common.h (COMPOUND_STMT_BODY_BLOCK): New macro. + +2001-12-13 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md (eh_set_lr_di): Change scratch + constraint to base register. + (eh_set_lr_si): Same. + +2001-12-13 Hans-Peter Nilsson <hp@axis.com> + + * expr.c (expand_expr, case ADDR_EXPR): Don't honor + flag_force_addr for modifier != EXPAND_CONST_ADDRESS, + modifier != EXPAND_INITIALIZER and modifier != EXPAND_SUM. + +Thu Dec 13 20:30:08 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (copy_blkmode_from_reg): Add missing braces to eliminate + warning and reformat comments. + (expand_assignment): Don't pass EXPAND_WRITE if LHS is component. + (highest_pow2_factor, case INTEGER_CST): Return BIGGEST_ALIGNMENT + if overflow. + +2001-12-12 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_override_options): Add + SUBSUBTARGET_OVERRIDE_OPTIONS. + + * config/rs6000/eabialtivec.h: New file. + + * config/rs6000/linuxaltivec.h: New file. + + * config.gcc: Add powerpc-*-eabialtivec and + powerpc-*-linux-gnualtivec. + +2001-12-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c (process_options, parse_options_and_default_flags): + Set flag_no_inline before the post_options hook. + +2001-12-13 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (adjust_address_1): Don't adjust address if adjust + is false. + +2001-12-13 Richard Earnshaw <rearnsha@arm.com> + + * collect2.c (COLLECT_SHARED_INIT_FUNC) + (COLLECT_SHARD_FINI_FUNC): Define default values. + (write_c_file_stat): Use them to call construtor and destructor + functions in shared libraries. + * doc/tm.texi (COLLECT_SHARED_INIT_FUNC) + (COLLECT_SHARD_FINI_FUNC): Document them. + * config/netbsd.h (COLLECT_SHARED_INIT_FUNC) + (COLLECT_SHARD_FINI_FUNC): Define. + + * config/netbsd.h (LINK_SPEC): Don't pull in estart if creating a + shared library. Pass -shared through to the linker. + * config/arm/netbsd.h (LINK_SPEC): Likewise. + + * config/arm/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -fpic. + (SHLIB_EXT, SHLIB_NAME, SHLIB_SONAME, SHLIB_OBJS, SHLIB_LINK) + (SHLIB_INSTALL): Define. + +2001-12-13 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (legitimize_pic_address): Handle LABEL_REFs in substantially + the same way as we handle SYMBOL_REFS. + +Thu Dec 13 07:47:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * loop.c (remove_constant_addition): Fix prototype and whitespace. + (emit_prefetch_instructions): Remove warnings and whitespace + changes. + +Thu Dec 13 06:48:38 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/vms-cc.c (preprocess_args): Fix forward + declaration. + +Thu Dec 13 12:31:07 CET 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Reorganize opcode heuristics. + * predict.def (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL, + PRED_FPOPCODE): New. + + * i386.c (override_options): Recognize various CPU variants and set + SSE/MMX/3dNOW flags accordingly. + * i386.h (MASK_MMX_SET, MASK_SSE_SET, MASK_SSE2_SET, MASK_3DNOW_SET, + MASK_3DNOW_A_SET): New. + (MASK_ACCUMULATE_OUTGOING_ARGS_SET): New. + (MASK_NO_ACCUMULATE_OUTGOING_ARGS): Delete. + (MASK_*): Renumber. + (TARGET_FLAGS): Use new masks. + (CPP_CPU_SPECS): Recognize new CPU variants. + * invoke.texi (-mcpu): Update documentation. + + * flags.h (flag_prefetch_loop_arrays): Declare. + * loop.h (LOOP_PREFETCH): Define new constant. + * loop.c (strength_reduce): Call emit_prefetch_instructions. + (MAX_PREFETCHES, PREFETCH_BLOCKS_BEFORE_LOOP_MAX, + PREFETCH_BLOCKS_BEFORE_LOOP_MIN, PREFETCH_BLOCKS_IN_LOOP_MIN): New + constants. + (check_store_data): New structure. + (check_store, emit_prefetch_instructions, rtx_equal_for_prefetch_p): + New functions. + * toplev.c: Include insn-flags.h. + (flag_prefetch_loop_arrays): New global variable. + (lang_independent_option): Add -fprefetch-loop-arrays. + (rest_of_compilation) Pass LOOP_PREFETCH when flag_prefetch_loop_arrays + is set. + * Makefile.in (toplev.c): Depend on insn-flags.h. + * invoke.texi (-fprefetch-loop-arrays): Document. + + * predict.c (estimate_probability): Distribute the loop exit + probability according to number of exit edges. + + * cfgcleanup.c (insns_match_p): Break out from ...; + (flow_find_cross_jump): ... here; + (outgoing_edges_match): Add parameter MODE; attempt to match everything + except for tablejumps. + (try_crossjump_to_edge): Accept complex edges. + (try_crossjump_bb): Likewise. + +2001-11-29 Corey Minyard <minyard@acm.org> + + * recog.c (validate_replace_rtx_1): Use simplify_gen_binary + instead of plus_constant. + * simplify-rtx.c (neg_const_int): New. + (simplify_gen_binary, simplify_plus_minus): Use it. + +2001-12-12 Roger Sayle <roger@eyesopen.com> + + * builtins.c (expand_builtin_memset, expand_builtin_memcpy, + expand_builtin_strcpy): Additional arguments TARGET and MODE. + (expand_builtin_bzero, expand_builtin_strcpy, + expand_builtin_strncpy, expand_builtin_bzero): Pass additional + TARGET and MODE parameters to the above functions. + (expand_builtin_memset, expand_builtin_memcpy): Optimize the + case where the LEN parameter is constant zero. + (expand_builtin_memcmp): No longer conditional on + HAVE_cmpstrsi. Take an additional mode parameter. Optimize + the cases where len is either constant zero or one. + Optimize to call to memcpy, even if the memcpy isn't inlined. + (expand_builtin_strncpy): Optimize to call memcpy, even if the + memcpy isn't inlined. + (expand_builtin_strcmp, expand_builtin_strncmp): Always attempt + to optimize to a call to memcmp. + (expand_builtin): expand_builtin_memcmp can always be called, + and pass the required parameters to expand_builtin_memcmp, + expand_builtin_memset, expand_builtin_memcpy and + expand_builtin_strcpy. + +2001-12-12 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (arm-*-freebsd*): Add target. + * config/arm/freebsd.h: New file. + * config/arm/arm.h (CPP_PREDEFINES): Do not define. + (CPP_SPEC): #undef before defining. + (CPP_CPU_ARCH_SPEC): Add -Acpu=arm -Amachine=arm. + * config/arm/conix-elf.h (CPP_PREDEFINES): Remove -Acpu=arm + -Amachine=arm. + * config/arm/linux-elf.h: Likewise. + * config/arm/netbsd.h: Likewise. + * config/arm/riscix.h: Likewise. + * config/arm/riscix1-1.h: Likewise. + * config/arm/semiaof.h: Likewise. + +2001-12-12 Richard Henderson <rth@redhat.com> + + * regrename.c (copyprop_hardreg_forward): New optimization. + (kill_value_regno, kill_value, init_value_data, kill_clobbered_value, + kill_set_value, kill_autoinc_value, copy_value, find_oldest_value_reg, + replace_oldest_value_reg, replace_oldest_value_addr, + replace_oldest_value_mem, copyprop_hardreg_forward_1, + debug_value_data, validate_value_data): New. + * rtl.h (copyprop_hardreg_forward): Declare. + * toplev.c (flag_cprop_registers): New. + (f_options): Add -fcprop-registers + (rest_of_compilation): Invoke it. + (parse_options_and_default_flags): Set it at -O1. + * doc/invoke.texi: Document it. + +2001-12-12 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (dw_val_class): Add dw_val_class_range_list. + (DEBUG_RANGES_SECTION_LABEL): Define. + (ranges_section_label): Add. + (add_AT_range_list): New. + (print_die, sizeof_die, value_format): Handle dw_val_class_range_list. + (output_loc_list): Location expression length is always 2-byte. + (output_die): Handle dw_val_class_range_list. + (gen_lexical_block_die): Call add_AT_range_list. + (dwarf2out_init): Initialize ranges_section_label. + (dwarf2out_finish): Emit ranges_section_label. + +2001-12-12 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (digest_init): Allow initializing + static storage duration objects with compound literals. + * doc/extend.texi (Compound literals): Document the extension. + +2001-12-12 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (adjust_address_1): Always copy address to avoid + shared rtl. + +Wed Dec 12 07:37:52 2001 Olivier Hainque <hainque@act-europe.fr> + + * stmt.c (expand_end_case): Do subtraction of lower bound as trees + to avoid overflow. + +Wed Dec 12 07:35:24 2001 Douglas B. Rupp <rupp@gnat.com> + + * cppfiles.c (read_include_file): Set buffer size properly when + file is shorter than expected. + +Wed Dec 12 08:35:33 2001 Nicola Pero <n.pero@mi.flashnet.it> + + * objc/objc-act.c (encode_complete_bitfield): Fixed encoding + enumeral types - encode them using 'i'. + +2001-12-12 Nathan Sidwell <nathan@codesourcery.com> + + * doc/extend.texi (Deprecated Features): Deprecate implicit + typename. Document that named return and initializer lists are now + removed. + +2001-12-11 Roger Sayle <roger@eyesopen.com> + + * except.c (reachable_next_level): Handle ERT_UNKNOWN to avoid + compiler warning about enumeration values not being handled. + +2001-12-11 Momchil Velikov <velco@fadata.bg> + + * config/fp-bit.c (pack_d): Cast to ``fractype'' for long long + shifts. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (TARGET_FIXUP_EV5_PREFETCH): New. + * config/alpha/linux.h (TARGET_FIXUP_EV5_PREFETCH): New. + * config/alpha/alpha.md (prefetch): New. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * combine.c (simplify_and_const_int): Simplify (AND (PLUS X Y) C) + if C has only low bits set and doesn't intersect with X or Y. + +Tue Dec 11 23:58:39 EST 2001 John Wehle (john@feith.com) + + * basic-block.h (flow_preorder_transversal_compute): Declare. + * cfganal.c (flow_preorder_transversal_compute): Implement. + +Tue Dec 11 23:54:27 EST 2001 John Wehle (john@feith.com) + + * cfganal.c (flow_depth_first_order_compute): Always + increment dfsnum. + +2001-11-30 Alan Matsuoka <alanm@redhat.com> + + * combine.c (combine_simplify_rtx) : Can't simplify + cases that use mode class MODE_CC. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * expmed.c (expand_divmod): Ignore sdiv_pow2_cheap for modes in + which there is no divide expander. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * except.c (sjlj_find_directly_reachable_regions): Don't + consider RNL_BLOCKED a directly reachable region. + (sjlj_assign_call_site_values): Trust directly_reachable. + (sjlj_emit_dispatch_table): Likewise. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (divmodsi_internal_er): Split, so that + we represent the address load's dependency on the gp. + (divmoddi_internal_er): Likewise. + (divmodsi_internal_er_1, divmoddi_internal_er_1): New. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (widen_memory_access): New. + * expr.h (widen_memory_access): Declare it. + * config/alpha/alpha.c (get_aligned_mem): Use it. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * combine.c (simplify_shift_const): Move SHIFT_COUNT_TRUNCATED + simplification above out of range check. + +2001-12-11 Dan Nicolaescu <dann@ics.uci.edu> + + * config/sparc/sparc.md (prefetch): New. + +2001-12-11 Aldy Hernandez <aldyh@redhat.com> + + * output.h (regno_uninitialized): Make argument unsigned. + + * flow.c (regno_uninitialized): Make regno unsigned. + +2001-12-11 David O'Brien <obrien@FreeBSD.org> + + * elfos.h (ENDFILE_SPEC, STARTFILE_SPEC): Do not define. + * config/cris/cris.h (ENDFILE_SPEC): Define. + * config/i386/i386elf.h ((ENDFILE_SPEC, STARTFILE_SPEC): Define. + * config/pa/elf.h: Likewise. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * objc/objc-act.c (build_string_class_template): New. + (build_objc_string_object): Call it. + +2001-12-11 Steve Ellcey <sje@cup.hp.com> + + * doc/tm.texi (FUNCTION_ARG_REG_LITTLE_ENDIAN): New. + * defaults.h (FUNCTION_ARG_REG_LITTLE_ENDIAN): New. + * calls.c (store_unaligned_arguments_into_pseudos): Check + FUNCTION_ARG_REG_LITTLE_ENDIAN to see how structures + are passed/returned. + * expr.c (move_block_from_reg): Ditto. + (move_block_from_reg): Ditto. + (copy_blkmode_from_reg): Ditto. + * stmt.c (expand_return): Ditto. + * stor-layout.c (compute_record_mode): If + FUNCTION_ARG_REG_LITTLE_ENDIAN is set then check + MEMBER_TYPE_FORCES_BLK even if mode == VOIDmode. + * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Set to true + so that Structures of one field are still treated as structures. + (FUNCTION_ARG_REG_LITTLE_ENDIAN): New, set it to true. + (FUNCTION_ARG_PADDING): Set to ia64_hpux_function_arg_padding(). + (PAD_VARARGS_DOWN): Modify from default to not pad structures down. + * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): New. + * config/ia64/ia64.c (ia64_hpux_function_arg_padding): New function + to special case handling of structure padding. + +2001-12-11 Daniel Berlin <dan@cgsoftware.com> + + * sched-rgn.c (CONST_BASED_ADDRESS_P): CONST_INT -> CONSTANT_P. + (may_trap_exp): Stores only are risk if they trap, too, not just + if code == MEM. + +2001-12-11 Aldy Hernandez <aldyh@redhat.com> + + * flow.c (find_regno_partial): Indent properly. Add a default to + switch. + +2001-12-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (combine_strings): Complain if concatenating + __FUNCTION__. + * c-parse.in (yylexname): Flag artificial strings. + * tree.h (TREE_ARTIFICIAL_STRING_P): New. +doc: + * extend.texi: Update. + +2001-12-11 Aldy Hernandez <aldyh@redhat.com> + + * c-common.c (type_for_mode): Handle unsigned vectors. + (type_for_mode): Remove redundant calls to TYPE_MODE. + + * tree.c (make_vector): New. + (build_common_tree_nodes_2): Use make_vector for vector types. + Add unsigned vector types. + + * tree.h (tree_index): Add unsigned types for vectors. + (unsigned_V16QI_type_node): New. + (unsigned_V4SI_type_node): New. + (unsigned_V8QI_type_node): New. + (unsigned_V8HI_type_node): New. + (unsigned_V4HI_type_node): New. + (unsigned_V2SI_type_node): New. + +2001-12-11 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (finish_message_expr): Fix misplaced parens in a + test of class names. + +2001-12-11 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (m68020-*-elf*): Expand tm_file to include all needed + cpu configuration headers. + * config/h8300/elf.h: Include dbxelf.h. + * config/m68k/linux.h: Likewise. + * config/m68k/m68020-elf.h: Likewise. + * config/m68k/m68kv4.h: Likewise. + * config/sh/elf.h: Likewise. + * config/m68k/m68kemb.h: Add comment about the its purpose. + +2001-12-11 Richard Henderson <rth@redhat.com> + + * objc/objc-act.c (build_constructor): Cast initializer values + to the proper field types. + +2001-12-11 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2.c (execute_cfa_program): Fix DW_CFA_restore handling. + +2001-12-10 Roger Sayle <roger@eyesopen.com> + + * builtins.c (expand_builtin): Use a switch statement to list + those functions not expanded without optimizations, instead of a + series of equality tests. + +Tue Dec 11 07:08:57 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/vms.h (LIB_SPEC): Define. + * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Don't set component field. + + * libgcc2.c (_bb): Remove ctime declaration. + + * Makefile.in (stage[1234]-start): $(LN_S) utilities in a manner + that works if LN_S = cp. + + * config/alpha/x-vms (version): Change "." to "_". + + * configure.in: Hardcode that vfork works on VMS host. + * configure: Regenerated. + +Mon Dec 10 18:37:31 2001 Douglas B. Rupp <rupp@gnat.com> + + * gcc.c (convert_filename): Add do_obj parameter. Don't convert + unless do_obj true. + (process_command): Modify calls to convert_filename. + +2001-12-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/sparc/sol2-sld-64.h: Include dbxelf.h again. + +Mon Dec 10 15:54:27 2001 Jeffrey A Law (law@cygnus.com) + + * combine.c (known_cond): Check mode of each operand to determine + if COND is comparing floating point values. + +2001-12-10 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (processor_type): Add PPC405. + (RTX_COSTS): Add PPC405. Correct rs64 and ppc630 multiply costs. + * rs6000.md: Add PPC405 information. Utilize imul2 and imul3 for + rios1, rs64, and ppc630 processors. + * rs6000.c (processor_target_table): Add PPC405. + +2001-12-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (unaligned_extendhidi): Call gen_lowpart + instead of hardcoding subregs into the _be and _le patterns. + +2001-12-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c, c-parse.in, c-typeck.c: Revert concatenation changes. + +Mon Dec 10 09:19:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.md (leave, leave_rex64): Adjust pattern to match + what insn does. + +2001-12-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cpp.texi: Don't condition menus on @ifinfo. Condition the + copyright notice formerly conditioned on @ifinfo on @ifnottex + instead. + +Mon Dec 10 06:15:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * vmsdbgout.c (lookup_filename): Remove warning. + +Mon Dec 10 06:09:57 2001 Douglas B. Rupp <rupp@gnat.com> + + * Makefile.in: Add $(OUTPUT_OPTION) to compilation rules. + + * config.gcc (alpha*-dec-vms*): Change to alpha*-dec-*vms* + (exeext, target_alias, prefix, local_prefix): Define. + * config/alpha/x-vms (USE_COLLECT2): Make empty. + * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Use Unix style + file specifications. Remove ".". + (GCC_INCLUDE_DIR): Remove redefinition (redundant). + * fixinc/mkfixinc.sh (alpha*-dec-vms*): Change to alpha*-dec-*vms* + +2001-12-09 Nathan Sidwell <nathan@codesourcery.com> + + * Makefile.in (.po.gmo): Use POSIXLY_CORRECT argument ordering. + +Sun Dec 9 21:57:24 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/t-vms (EXTRA_PARTS): Append $(VMS_EXTRA_PARTS) + Add rules for building [vp]crt0.o + * config/alpha/vms.h (START_FILE_SPEC): Define. + * config/alpha/x-vms (VMS_EXTRA_PARTS): Define + * config/alpha/vms-crt0.c, config/alpha/vms-psxcrt0.c: New files. + * doc/invoke.texi: Document special Alpha/VMS options. + +Sun Dec 9 20:25:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * hwint.h (HOST_BITS_PER_LONGLONG): Deal with __int64 type. + * vmsdbg.h (DST_SRC_COMMAND): Test for type of long long or __int64, + not GNUC. + +Sun Dec 9 20:19:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + Douglas B. Rupp <rupp@gnat.com> + + * tree.c (append_random_char): Conditionalize INO for VMS. + +2001-12-09 Richard Henderson <rth@redhat.com> + + * cfgcleanup.c (label_is_jump_target_p): New function. + (try_optimize_cfg): Use label_is_jump_target_p to check if label is + target of a JUMP_INSN from the preceding block. + +Sun Dec 9 18:40:07 2001 Douglas B. Rupp <rupp@gnat.com> + + * vmsdbgout.c (lookup_filename): Assign null string instead + of null pointer to fnam. + +2001-12-09 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_align_insns): Suppress realignment + immediately after a call; insert nops before a call. + +2001-12-09 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_align_insns): Use align_functions, + not FUNCTION_BOUNDARY. + * config/alpha/alpha.h (TRAMPOLINE_ALIGNMENT): New. + * config/alpha/alpha32.h, config/alpha/vms.h: Likewise. + * config/alpha/unicosmk.h (FUNCTION_BOUNDARY): Remove. + +2001-12-09 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_function_block_profiler, + mmix_block_profiler, mmix_function_block_profiler_exit): Delete + unused functions. + * config/mmix/mmix-protos.h (mmix_function_block_profiler, + mmix_block_profiler, mmix_function_block_profiler_exit): Delete + prototypes. + + * config/cris/cris.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): + Delete obsoleted macros. + +2001-12-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cpp.texi, doc/cppinternals.texi, doc/invoke.texi, + doc/md.texi, doc/rtl.texi, doc/tm.texi: Use American spelling. + + * ChangeLog.2, ChangeLog.3, ChangeLog.5, ChangeLog, alias.c, + cfgbuild.c, expmed.c, expr.c, final.c, flow.c, fold-const.c, + function.c, config/alpha/alpha.md, config/alpha/vms-ld.c, + config/arm/arm.c, config/arm/arm.h, config/c4x/libgcc.S, + config/i370/i370.c, config/i386/i386.c, + config/i386/i386-interix.h, config/i386/i386.md, + config/i386/i386.h, config/i386/netbsd-elf.h, config/ia64/ia64.c, + config/m32r/m32r-protos.h, config/mcore/mcore.h, + config/rs6000/rs6000.h, config/sparc/linux64.h, + config/sparc/sparc.c, config/v850/v850-protos.h, + config/cris/cris.h, config/s390/s390.md, config/elfos.h: Fix + spelling errors. + +2001-12-09 Daniel Berlin <dan@cgsoftware.com> + + * config/rs6000/rs6000.h (enum rs6000_builtins): Add remaining + altivec builtins (VCF?X, VCT?XS, VSEL, V*EFP, VRFI*). + + * config/rs6000/rs6000.c: Ditto. + + * config/rs6000/rs6000.md: Ditto. + +2001-12-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * 1750a.md: Add default case in switch. + * alpha/vms.h (INITIAL_ELIMINATION_OFFSET): Add abort clause in + if-else statement. + * dsp16xx.c (print_operand_address): Likewise. + * i386/osf1elf.h (FUNCTION_PROFILER): Const-ify. + * ia64.md: Add missing braces. + * rs6000-protos.h (s8bit_cint_operand): Prototype. + * s390.h (INITIAL_ELIMINATION_OFFSET): Add abort clause in + if-else statement. + * stormy16.h (REG_CLASS_CONTENTS): Add missing braces. + * v850.h (OUTPUT_ADDR_CONST_EXTRA): Don't issue a `return'. + * dbxout.c (dbxout_source_file): Move a variable into the scope + where it is used. + * final.c (profile_function): Mark parameter with + ATTRIBUTE_UNUSED. + * genemit.c (gen_expand): Likewise for generated file. + * insn-addr.h (INSN_ADDRESSES_NEW): Avoid undefined behavior. + + * vmsdbg.h: Delete spurious close-comment. + (DST_HEADER): Fix typo in ENUM_BITFIELD parameter. + * vmsdbgout.c (write_modbeg): Define return type. + + * m68k/3b1.h (ASM_OUTPUT_ALIGN): Wrap in do-while(0). + * m68k/amix.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * m68k/atari.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * m68k/hp320.h (ASM_OUTPUT_ALIGN): Likewise. + * m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Likewise. + * m68k/sgs.h (ASM_OUTPUT_ALIGN): Likewise. + * m68k/tower-as.h (ASM_OUTPUT_ALIGN): Likewise. + +2001-12-08 Tom Rix <trix@redhat.com> + + * config/rs6000/aix43.h (NON_POWERPC_MASKS): Delete MASK_STRING. + * config/rs6000/aix51.h (NON_POWERPC_MASKS): Same. + * config/rs6000/rs6000.md (load_multiple, store_multiple): Do not use + for powerpc64. + * config/rs6000/rs6000.md (movstrsi_8reg, movstrsi_6reg, + movstrsi_4reg, movstrsi_1_reg): Add powerpc64. + * config/rs6000/rs6000.c (expand_block_move): Do not use + gen_movstrsi_2reg and powerpc64. + +2001-10-08 Aldy Hernandez <aldyh@redhat.com> + + * c-common.h (rid): Add RID_CHOOSE_EXPR and + RID_TYPES_COMPATIBLE_P. + + * c-parse.in (reswords): Add __builtin_choose_expr. + Add __builtin_types_compatible_p. + Add CHOOSE_EXPR token. + Add TYPES_COMPATIBLE_P token. + Add production for CHOOSE_EXPR. + Add production for TYPES_COMPATIBLE_P. + + * doc/extend.texi (__builtin_choose_expr): Add documentation. + (__builtin_types_compatible_p): Likewise. + +2001-12-08 David Edelsohn <edelsohn@gnu.org> + + * stor-layout.c (place_union_field): Apply ADJUST_FIELD_ALIGN + to unions. + +2001-12-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in: Take string literals in assembler constructs, + not expressions. + * c-typeck.c (build_asm_stmt, simple_asm_stmt): No need to + check the strings are STRING_CSTs. + +2001-12-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (c_lex): Peek a token ahead for a string to concatenate, + using combine_strings to do the concatenation. + * c-parse.in: Replace uses of the string non-terminal with STRING. + Don't attempt string concatenation. + (OBJC_STRING): New terminal. + (string): Remove non-terminal. + (_yylex): Call combine_strings on function names. Generate + OBJC_STRING terminals; don't pass '@' on to yacc. + * c-typeck.c (simple_asm_stmt): Don't concatenate strings here. + (build_asm_stmt): Similarly. + +2001-12-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtlanal.c (get_jump_table_offset): Delete unused variable. + +2001-12-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (VUNSPEC_PREFETCH): Delete constant definition. + (prefetch): Rewrite using PREFETCH RTL primitive. + * arm.h (arm_builtins): Delete ARM_BUILTIN_PREFETCH). + * arm.c (arm_init_builtins): Don't initialize a builtin for + __builtin_prefetch here. + (arm_expand_builtin): Don't expand __builtin_prefetch here. + +2001-12-08 Richard Earnshaw <rearnsha@arm.com> + + * final.c (cleanup_subreg_operands): Use recog_data.operand_loc + in test for a subreg. + +2001-12-08 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * rtl.c (rtx_equal_p): Check for null pointers when comparing rtx + strings. + +2001-12-07 Richard Henderson <rth@redhat.com> + + * doc/extend.texi: Fix typo last change. + + * c-decl.c (c_language): Remove duplicate. + +2001-12-07 Dale Johannesen <dalej@apple.com> + + * config/rs6000/darwin.h: Set MAX_LONG_TYPE_SIZE to 32. + * config/rs6000/rs6000.c (rs6000_emit_move): In Darwin- + specific codegen, eliminate a register copy. + (print_operand_address): Add support for Darwin's lo16(constant) + syntax. + (rs6000_machopic_legitimize_pic_address): Fix darwin-specific + generation of addresses within very large data objects. + (s8bit_cint_operand): New. + * config/rs6000/rs6000.md: Remove "iu" reference for 750/7400. + Move "mtjmpr" to correct functional unit for 750/7400/7450. + Add imul2 and imul3 insn types for multiplication by 16- and + 8-bit constants. + Change tablejump patterns to strongly discourage using LR + rather than CTR. + Add %lo16 patterns for Darwin loads and stores. + +2001-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.md: Use (HOST_WIDE_INT)1<<63 in lieu of 0x8000000000000000. + +2001-12-07 Stephane Carrez <Stephane.Carrez@sun.com> + + * config/sparc/sparc.c (epilogue_renumber): Do not replace %fp + with %sp because it can cause the delayed instruction to load + below the stack. + +2001-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (alpha_expand_unaligned_store, + alpha_expand_unaligned_store_words): Use constm1_rtx in place of + call to immed_double_const. + +2001-12-07 Aldy Hernandez <aldyh@redhat.com> + + * doc/extend.texi (Variable Attributes): Document vector_size. + + * attribs.c (c_common_attribute_table): Add vector_size. + (handle_vector_size_attribute): New. + (vector_size_helper): New. + (decl_attributes): Relayout the decl after calculating attribs. + +2001-12-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Don't include install-old.texi. Adjust menu + description for Trouble section. + * doc/install-old.texi: Adjust for inclusion as chapter of new + installation manual. + * doc/install.texi, doc/include/fdl.texi, doc/install.texi2html: + Adjust to include old installation chapter as chapter of new + installation manual. + +Fri Dec 7 11:07:35 EST 2001 John Wehle (john@feith.com) + + * rtl.h (get_jump_table_offset): Declare. + * rtlanal.c (get_jump_table_offset): Implement. + +Fri Dec 7 07:06:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * final.c (bb_head, bb_tail, bb_file_label_num, bb_func_label_num): + Deleted; were used only by BB profiler code. + (sbb_head, sbb_tail, sbb_label_num): Likewise. + (end_final): Delete now-unused vars I, PTR, and SPTR. + + * expr.c (store_field): Remove warning. + (expand_expr, case COMPONENT_REF, case VIEW_CONVERT_EXPR): Likewise. + (highest_pow2_factor, case MIN_EXPR, case MAX_EXPR): Add cases. + (highest_pow2_factor, case *_DIV_EXPR): Only can do something if + divisor constant power of 2. + (highest_pow2_factor, case COMPOUND_EXPR): Look at operand 1. + +2001-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (function_arg): Cast value to HOST_WIDE_INT before + shifting. + +2001-12-06 Aldy Hernandez <aldyh@redhat.com> + + * rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): New. + (DWARF_FRAME_REGISTERS): Delete. + +2001-12-06 Janis Johnson <janis187@us.ibm.com> + + * builtin-types.def (BT_FN_VOID_PTR_VAR): New. + * builtins.def (BUILT_IN_PREFETCH): Change arguments. + * builtins.c (expand_builtin_prefetch): Two arguments are now optional, + with defaults for read prefetch with high degree of locality. + * doc/extend.texi (__builtin_prefetch): Update documentation. + * doc/md.texi (prefetch): Add documentation. + +2001-12-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (stdio_va_list): Handle __VA_LIST__ in Tru64 + UNIX V5.1A stdio.h. + * fixinc/fixincl.x: Regenerate. + Fixes PR libf2c/4826. + +2001-12-06 Aldy Hernandez <aldyh@redhat.com> + Richard Henderson <rth@redhat.com> + + * doc/tm.texi (DWARF_FRAME_REGISTERS): Add documentation. + (PRE_GCC3_DWARF_FRAME_REGISTERS): Same. + + * unwind-dw2.c (__frame_state_for): Change DWARF_FRAME_REGISTERS + to PRE_GCC3_DWARF_FRAME_REGISTERS. + (frame_state): Same. + (PRE_GCC3_DWARF_FRAME_REGISTERS): Define if not already defined. + +2001-12-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * langhooks.c (lhd_staticp): Mark parameter with + ATTRIBUTE_UNUSED. + +2001-12-06 H.J. Lu <hjl@gnu.org> + + * Makefile.in (.po.gmo): Use "-test -d po || mkdir po" to + reduce noise. + (.po.pox): Likewise. + (o/$(PACKAGE).pot): Likewise. + +2001-12-06 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (get_callee_fndecl): Move DECL_ABSTRACT_ORIGIN-following... + * tree-inline.c (expand_call_inline): ... here. + +2001-12-06 H.J. Lu <hjl@gnu.org> + + * Makefile.in (.po.gmo): Use "-mkdir po" for parallel build. + (.po.pox): Likewise. + (o/$(PACKAGE).pot): Likewise. + +2001-12-06 David O'Brien <obrien@FreeBSD.org> + + * config.gcc: Include dbxelf.h before elfos.h. + * elfos.h: Don't include dbxelf.h, let config.gcc handle it. + +2001-12-06 Zack Weinberg <zack@codesourcery.com> + + * cppfiles.c (open_file): If we've opened a directory by + mistake, close it. + (find_include_file): Avoid turning / into // or // into ///. + +2001-12-06 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.h (STRUCT_VALUE): Suppress definition. + (STRUCT_VALUE_REGNUM): Restore definition. + +2001-12-06 Andrew MacLeod <amacleod@redhat.com> + + * flow.c (find_regno_partial): Return register, not the expression + the register is in. + +Thu Dec 6 09:24:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (handle_epilogue_set): Check for FP setting case when + SP is set from FP in same insn. + +2001-12-06 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (load_multiple_sequence): Pass pointer to + RTX when calling alter_subreg(). + (store_multiple_sequence): Pass pointer to RTX when calling + alter_subreg(). + +Thu Dec 6 06:55:13 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (assing_parms): Fix typo in last change. + * config/clipper.c (clipper_builtin_saveregs): Remove Checker code. + * config/m88k/m88k.c (m88k_builtin_saveregs): Likewise. + * config/pa/pa.c (hppa_builtin_saveregs): Likewise. + * config/sparc/sparc.c (sparc_builtin_saveregs): Likewise. + +2001-12-06 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_unique_section): Simplify and + correct code selecting section. + +Thu Dec 6 12:45:33 CET 2001 Jan Hubicka <jh@suse.cz> + + * final.c (count_basic_block, add_bb, add_bb_string): + Kill. + (end_final, final_start_function, final, final_scan_insn, + leaf_function_p): Kill BB profiler related code. + * flags.h (profile_block_flag): Kill. + * libgcc2.c (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE, + BB_BUCKETS, BBINBUFSIZE, bb_edge, bb_func_mode, bb_func, + __bb, bb_src, bb_dst, bb_tracefile, bb_hashbuckets, + bb_func_head, bb_callcount, bb_mode, bb_stack, bb_stacksize + reported, GOPENDECOMPRESS, GOPENCOMPRESS, gopen, gclose, + __bb_exit_trace_func, __bb_init_prg, __bb_trace_func, + __bb_trace_func_ret, __bb_init_file, __bb_trace_ret, + __bb_init_trace_func): Kill. + * toplev.c (profile_block_flag): Kill. + (indepdendent_decode_option, process_options): Kill -a related code. + * alpha.c (direct_call_operand): Likewise. + * arm.c (arm_expand_prologue, thumb_expand_prologue, + thumb_expand_epilogue): Likewise. + * c4x.c (c4x_expand_prologue, c4x_null_epilogue_p): Likewise. + * c4x.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * d30v.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * fr30.c (fr30_expand_prologue): Kill BB profiler related code. + * i386.c (ix86_can_use_return_insn_p, ix86_expand_prologue, + ix86_expand_epilogue, ix86_expand_epilogue): Kill BB profiler related + code. + (ix86_output_function_block_profiler, ix86_output_block_profiler): Kill. + * i386.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * fr30.c (fr30_expand_prologue): Kill BB profiler related code. + * i960.c (i960_output_function_prologue): Kill BB profiler related + code. + * ia64.c (ia64_compute_frame_size): Likewise. + * ia64.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * m32r.c (m32r_expand_prolofue): Kill BB profiler related code. + * m68hc11.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * m68k.c (m68k_output_function_epilogue): Kill BB profiler related code. + * m68k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * m88k.c (output_options, m88k_layout_frame, m88k_expand_prologue): + Kill BB profiler related code. + * m88k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * mips.c (mips_expand_prologue): Kill BB profiler related code. + * mmix.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * rs6000.c (rs6000_override_options): Kill BB profiler related code. + * s960.c (s390_function_prologue): Kill BB profiler related code. + * s960.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * linux-aout.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill. + * linux.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill. + * linux64.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill. + * sol2.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill. + * sparc.c (sparc_override_options, eligible_for_sibcall_delay, + sparc_nonflat_function_epilogue): Kill BB profiler related code. + (sparc_function_block_profiler, sparc_block_profiler, + sparc_function_block_profiler_exit): Kill. + * sparc.h (OVERRIDE_OPTIONS): Kill BB profiler related code. + (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * sun4o3.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill. + * sunos4.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill. + * stormy16.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + * doc/invoke.texi: Kill documentation of -a and -ax. + * tm.texi (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER, + FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE, + MACHINE_STATE_RESTORE): Kill. + +2001-10-26 Steve Christiansen <smc@us.ibm.com> + + * doc/rtl.texi: Use a table to display RTL format characters. + +2001-12-06 Bo Thorsen <bo@suse.co.uk> + + * config/i386/linux64.h (LINK_SPEC): Correct name of dynamic linker. + +Wed Dec 5 19:18:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (keep_stack_depressed): Check global_live_at_start + of EXIT_BLOCK for temp register and verify it isn't in equiv_reg_src. + +2001-12-05 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (powerpc-*-freebsd*): Use the proper tmake_file files, + as set by the generic FreeBSD configure framework. + +2001-12-04 Jason Merrill <jason@redhat.com> + + * langhooks.h (struct lang_hooks_for_tree_inlining): Add + start_inlining, end_inlining. + * tree-inline.c (expand_call_inline): Call them. + * langhooks-def.h (LANG_HOOKS_TREE_INLINING_START_INLINING): Define. + (LANG_HOOKS_TREE_INLINING_END_INLINING): Define. + (LANG_HOOKS_TREE_INLINING_INITIALIZER): Add them. + * langhooks.c (lhd_tree_inlining_start_inlining): New fn. + (lhd_tree_inlining_end_inlining): New fn. + +2001-12-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (shadow_warning): New function, moved from cp/decl.c. + * c-common.h (shadow_warning): New. + * c-decl.c: Include c-common.h. + (warn_if_shadowing): New, broken out of pushdecl. + (pushdecl): Use warn_if_shadowing. + (store_parm_decls): Prevent duplicate -Wshadow warnings. + +Wed Dec 5 17:59:19 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/vms.h (SIZE_TYPE, PTRDIFF_TYPE): Remove, were disabled. + (DOLLARS_IN_IDENTIFIERS, LINK_SPEC): Remove duplicate. + (LIB_SPEC): Remove. + +Wed Dec 5 16:03:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * doc/c-tree.texi (RECORD_TYPE, UNION_TYPE): Expand on definition. + (QUAL_UNION_TYPE): New type. + + * varasm.c (output_constant, case ERROR_MARK): New case. + + * attribs.c (handle_no_check_memory_usage_atribute): Deleted. + (c_com): Delete its reference. + * builtins.c: Delete memory checking code. + * calls.c, expr.c, function.c, stmt.c: Likewise. + * builtins.c (expand_builtin_arg_info): Remove reference to + EXPAND_MEMORY_USE_* modifiers. + * explow.c (expr_size): Likewise. + * expr.c (expand_expr, expand_increment): Likewise. + * expr.h (ARGS_SIZE_RTX): Likewise. + * function.c (assign_parms, expand_pending_sizeso): Likewise. + * c-decl.c (duplicate_decls): Don't handle DECL_NO_CHECK_MEMORY_USAGE. + * expr.c (in_check_memory_usage): Delete. + (get_push_address, get_memory_usage_from_modifier): Delete. + (expand_assigment): Use EXPAND_WRITE on destination. + (expand_expr): Delete ro_modifier. + * expr.h (expand_modifier): Delete EXPAND_MEMORY_* entries and + add EXPAND_WRITE. + (memory_use_mode): Delete. + * flags.h (flag_check_memory_usage): Deleted. + (flag_prefix_function_name): Likewise. + * function.c (expand_function_start): Don't set + current_function_check_memory_usage. + * function.h (check_memory_usage): Delete. + * libfuncs.h, optabs.c: Delete chkr_* stuff. + * stmt.c (expand_asm_opernd): Change EXPAND_MEMORY_USE_WO to + EXPAND_WRITE. + * toplev.c (flag_check_memory_usage): Deleted. + (flag_prefix_function_name): Likewise. + (f_options, process_options): Delete references to above. + * tree.h (DECL_NO_CHECK_MEMORY_USAGE): Deleted. + * varasm.c (CHKR_PREFIX): Deleted. + (make_decl_rtl): Remove flag_prefix_function_name handling. + (assemble_name): Likewise. + * doc/extend.texi: Remove no_check_memory_usage attribute. + * doc/invoke.texi: Remove -fcheck-memory-usage + and -fprefix-function-name. + +2001-12-05 Andreas Schwab <schwab@suse.de> + + * Makefile.in (STMP_FIXPROTO, STMP_FIXINC): Use substituted values + from autoconf. + +2001-12-05 Nick Clifton <nickc@cambridge.redhat.com> + + * config.gcc: Include arm/xscale-coff.h before arm/arm.h. + +2001-12-05 William Cohen <wcohen@redhat.com> + + * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Correct typo in + instruction. + +2001-12-05 Daniel Berlin <dan@cgsoftware.com> + + * config/rs6000/rs6000.h (enum rs6000_builtins): Add more altivec + builtins. + + * config/rs6000/rs6000.md: Modeling of 7450 altivec changed to + better reflect reality (change from Apple's tree). + Add more of altivec instructions. + Add ftruncv4sf2 pattern. + Remove more unspecs (vector merge instructions, etc). + + * config/rs6000/rs6000.c (bdesc_3arg): New, for 3 argument altivec + builtins. + (bdesc_1arg): New, for 1 argument altivec builtins. + (altivec_expand_builtin): Handle unary and ternary ops. + (altivec_init_builtins): Ditto. + +Wed Dec 5 09:33:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/alpha/vms.h (ADA_LONG_TYPE_SIZE): New macro. + * doc/tm.texi (ADA_LONG_TYPE_SIZE): Document it. + +2001-12-05 Jakub Jelinek <jakub@redhat.com> + + * gcse.c (store_killed_in_insn): Consider pure calls + as potential store killers in addition to normal calls. + +2001-12-05 Jakub Jelinek <jakub@redhat.com> + + * expr.c (expand_expr): When checking promoted value, use + DECL_MODE (exp) and not mode. + +2001-12-05 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (output_init_element): Call digest_init + just once, not in each if branch and check its return value for + error_mark_node. + +2001-12-05 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (pushdecl): Only increase n_incomplete if pushed decl's + type is RECORD_TYPE, UNION_TYPE or ARRAY_TYPE thereof. + (finish_struct): Break the loop if n_incomplete went to 0. + For ARRAY_TYPE, if it is not TYPE_DECL, layout the decl too. + +Wed Dec 5 07:41:13 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_va_start): Update VMS case. + +Wed Dec 5 07:27:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + Douglas B. Rupp <rupp@gnat.com> + + * vmsdbg.h, vmsdbgout.c: Add documentation and minor cleanups. + * doc/invoke.texi: Add -gvms. + * doc/passes.texi: Add mention of vmsdbgout.c. + * doc/tm.texi: Document VMS debugging output. + +Wed Dec 5 06:26:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.h (tree, rtx): Remove no-longer-needed definitions. + + * function.c (keep_stack_depressed): Refine check for register + clobbered over call. + + * expr.c (store_expr): When copying string constant into array, + use functions that update memrefs instead of computations on + addresses to better track MEMs. Also properly handle 32/64 pointers. + (expand_expr): Use TARGET even if not reg for multi-word CONSTRUCTOR. + (expand_expr, case CONSTRUCTOR): Fix errors in parms to assign_temp. + + * emit-rtl.c (component_ref_for_mem_expr): Try harder to find decl + underneath COMPONENT_REFs. + (set_mem_attributes): Also strip VIEW_CONVERT_EXPR. + +2001-12-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c (display_target_options): Don't print twice. + +Wed Dec 5 00:42:16 EST 2001 John Wehle (john@feith.com) + + * emit-rtl.c (set_unique_reg_note): Don't set + a REG_EQUAL or REG_EQUIV note if multiple sets + are present. + +2001-12-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * cfgrtl.c (verify_flow_info): Allow jump table data in fallthru if + CASE_DROPS_THROUGH. + +2001-12-04 Andrew MacLeod <amacleod@redhat.com> + + * rtl.h (initialize_uninitialized_subregs): New prototype. + * toplev.c (rest_of_compilation): Call initialize_uninitialized_subregs + when optimization is on. + * flow.c (find_regno_partial): Find subregs within an expression. + (initialize_uninitialized_subregs): Initialize live on entry registers + which are used in subreg expressions. + +2001-12-04 Phil Edwards <pme@gcc.gnu.org> + + * Makefile.in: Add INSTALL_SCRIPT using INSTALL definition. + +2001-12-04 DJ Delorie <dj@redhat.com> + + * fixinc/fixincl.c (initialize): Avoid problemsome macro + parameter names (PR 3388). + +2001-12-05 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_legitimize_address): Fix typo. + * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Here too. + +2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.def (COMPOUND_LITERAL_EXPR): New. + * c-common.c (c_expand_expr): Handle COMPOUND_LITERAL_EXPR. + (c_staticp): New function. + * c-common.h (COMPOUND_LITERAL_EXPR_DECL): New. + (c_staticp): Declare. + * c-typeck.c (default_function_array_conversion, build_unary_op): + Don't handle CONSTRUCTOR specially. + (lvalue_p, mark_addressable): Handle COMPOUND_LITERAL_EXPR. + * c-decl.c (build_compound_literal): New function. + * c-tree.h (build_compound_literal): Declare. + * c-parse.in (primary): Use build_compound_literal. + * c-lang.c (LANG_HOOKS_STATICP): Define. + * objc/objc-lang.c (LANG_HOOKS_STATICP): Likewise. + * doc/c-tree.texi: Document COMPOUND_LITERAL_EXPR. + * doc/extend.texi: Update documentation of compound literals. + Fixes PR c/4787. + +2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * langhooks.h (struct lang_hooks): Add staticp. + * langhooks-def.h (lhd_staticp, LANG_HOOKS_STATICP): New. + (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_STATICP. + * langhooks.c (lhd_staticp): New function. + * tree.c (staticp): Call lang_hooks.staticp for language-specific + tree codes. + +2001-12-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppspec.c (lang_specific_driver): Set is_cpp_driver. + * gcc.c (process_command): Ensure the cpp driver sees + --help and --target-help, and that the help is printed + exactly once. + +2001-12-04 David Edelsohn <edelsohn@gnu.org> + + * config/elfos.h (ASM_OUTPUT_INTERNAL_LABEL): Display count unsigned. + +2001-12-04 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (OPTIMIZATION_OPTIONS): Don't unset + flag_strict_aliasing. Use separate assignment statements. + +2001-12-04 Zack Weinberg <zack@codesourcery.com> + + * build-make, cross-make: Delete file. + * configure.in: Set and substitute CROSS, ALL, + SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_PREFIX_1, HOST_CC, + HOST_CFLAGS, STMP_FIXINC, and STMP_FIXPROTO depending on + whether build == host and host == target. Do not + AC_SUBST_FILE build_overrides or cross_overrides. Do not + AC_SUBST cross_defines or extra_c_flags. + * Makefile.in (NATIVE_SYSTEM_HEADER_DIR): New. + (SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_CC, HOST_PREFIX, + HOST_PREFIX_1, HOST_CFLAGS, ALL, INTERNAL_CFLAGS): Set + partially or completely with autoconf-substituted @variable@ + notation. + (INSTALL_TARGET, @cross_defines@, @cross_overrides@, + @build_overrides@, @extra_c_flags@, all.build, install-build, + install-cross-rest, install-float-h-cross): Deleted. + (install-normal): Rename to install. Delete old "install" + indirection rule. + +2001-12-04 Andrew MacLeod <amacleod@redhat.com> + + * stmt.c (expand_return): Clear destination instead of clobbering it + when setting a return value via bitsets. + +2001-12-04 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (get_callee_fndecl): Only use DECL_ABSTRACT_ORIGIN if + it has DECL_SAVED_TREE. + + * c-decl.c (duplicate_decls): Revert rth's patch. If newdecl + is in a different binding level, get its abstract origin to be + olddecl. + * tree-inline.c (expand_call_inline): Move DECL_INITIAL sanity + check earlier. + * tree.c (get_callee_fndecl): Follow DECL_ABSTRACT_ORIGIN if + DECL_INITIAL is NULL. + +2001-12-04 Jakub Jelinek <jakub@redhat.com> + + * flow.c (ior_reg_cond): Return NULL if ! add and rtx wasn't optimized. + Return correct value if one of the subexpressions was optimized to + 0 resp. 1. Optimize (x | A) | x and (x & A) | x. + (and_reg_cond): Similarly. + +2001-12-04 Jakub Jelinek <jakub@redhat.com> + + * function.c (assign_parms): Set last_named only for last named + argument. + +2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Use the GFDL. Include years from old install + manual in copyright notice. Include copyright and GFDL notice on + HTML index page. Include usual footer on testing.html. + * doc/install.texi2html: Build gfdl.html. Use -I + $SOURCEDIR/include. + * doc/include/fdl.texi: Adapt for use in the install manual. + +2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Document that installed native compiler for + building cross compilers should be GCC 2.95 or later. + +2001-12-03 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.h (CALL_REALLY_USED_REGISTERS): New macro. + * config/mips/mips.md: Check TARGET_DEBUG_D_MODE before split + patterns. + +2001-12-03 Janis Johnson <janis187@us.ibm.com> + + * rtl.def (PREFETCH): New rtx code. + * doc/rtl.texi (PREFETCH): Add documentation. + * function.c (instantiate_virtual_regs_1): Handle PREFETCH rtx. + * rtlanal.c (reg_referenced_p): Ditto. + * sched-vis.c (print_exp): Ditto. + * ssa-dce.c (find_inherently_necessary): Ditto. + + * config/ia64/ia64.h (SIMULTANEOUS PREFETCHES): Define. + (PREFETCH_BLOCK): Define. + * config/ia64/ia64.md (itanium_class): Add lfetch. + (prefetch, prefetch_internal): New. + + * builtin-types.def (BT_FN_VOID_PTR_INT_INT): New. + * builtins.def (BUILT_IN_PREFETCH): New. + * builtins.c (expand_builtin_expect): New. + (expand_builtin): Call it. + * doc/extend.texi: Document __builtin_prefetch. + + * config/i386/i386.md (prefetch): Rename as prefetch_sse to avoid + conflicts with new generic prefetch functionality. + * config/i386/i386.c (ix86_expand_builtin): Use new name for + prefetch_sse. + +2001-12-02 Ziemowit Laski <zlaski@apple.com> + + * objc/Make-lang.in: Update copyright. + (OBJC_OBJS): Add objc-lang.o. + (objc-lang.o): New rule. + * objc/config-lang.in: Fix file description and update + copyright. + * objc/objc-act.c: Do not include langhooks.h and + langhooks-def.h + (lang_hooks): Move (along with LANG_HOOKS...) to objc-lang.c. + (objc_post_options): Move to objc-lang.c. + (objc_init_options): Move to objc-lang.c. + (objc_init): Make non-static. + (objc_decode_option): Make non-static. + (HASHFUNCTION): Remove macro. + (hash_func): New function. + (hash_enter): Replace HASHFUNCTION with hash_func. + (hash_lookup): Replace HASHFUNCTION with hash_func. + (maybe_objc_tree_codes): New function. + (init_objc): Move ObjC tree code initialization to + maybe_objc_tree_codes(). + * objc/objc-act.h (GCC_OBJC_ACT_H): New include guard. + (objc_init): New public prototype. + (objc_decode_option): New public prototype. + (maybe_add_objc_tree_codes): New public prototype. + * objc/objc-lang.c: New file. + (lang_hooks): Moved from objc-act.c. + (objc_post_options): Moved from objc-act.c. + (objc_init_options): Moved from objc-act.c. + +2001-12-03 Geoff Keating <geoffk@redhat.com> + + * emit-rtl.c (gen_lowpart_common): Avoid unwanted sign-extension + of array elements. + +2001-12-03 Neil Booth <neil@daikokuya.demon.co.uk> + + PR c/4988 + * gcc.c (process_command): Don't add a preprocessor option for + --help and --target-help; cc1 is enough. + +2001-12-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (grokdeclarator): Use ISO word. + * cppinit.c: Remove leading capital from diagnostic messages, as + per GNU coding standards. + * emit-rtl.c: Similarly. + * final.c: Similarly. + * gcc.c: Similarly. + * tradcpp.c: Similarly. + * config/arm/arm.c: Similarly. + * config/arm/arm.h: Similarly. + * config/avr/avr.c: Similarly. + * config/avr/avr.h: Similarly. + * config/c4x/c4x.c: Similarly. + * config/cris/cris.c: Similarly. + * config/cris/cris.h: Similarly. + * config/d30v/d30v.c: Similarly. + * config/dsp16xx/dsp16xx.c: Similarly. + * config/dsp16xx/dsp16xx.h: Similarly. + * config/h8300/h8300.c: Similarly. + * config/i386/i386.c: Similarly. + * config/i386/xm-djgpp.h: Similarly. + * config/i960/i960.h: Similarly. + * config/m32r/m32r.c: Similarly. + * config/m68hc11/m68hc11.c: Similarly. + * config/m88k/m88k.c: Similarly. + * config/m88k/m88k.h: Similarly. + * config/mcore/mcore.c: Similarly. + * config/mcore/mcore.h: Similarly. + * config/mips/mips.c: Similarly. + * config/mmix/mmix.c: Similarly. + * config/pa/pa.c: Similarly. + * config/rs6000/rs6000.c: Similarly. + * config/rs6000/sysv4.h: Similarly. + * config/s390/s390.c: Similarly. + * config/sparc/sparc.c: Similarly. + * config/v850/v850-c.c: Similarly. + * config/v850/v850.c: Similarly. + +2001-12-03 Zack Weinberg <zack@codesourcery.com> + + * rs6000.h (RETURN_IN_MEMORY): Cast result of + int_size_in_bytes to unsigned HOST_WIDEST_INT so that -1 > 8. + +Mon Dec 3 09:18:34 2001 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (negsf2): Use -0x8000 instead of 0x8000 for + bit twiddling constant. + +Mon Dec 3 16:16:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (delete_null_pointer_checks_1): Do not use delete_list; + call purge_dead_edges after removing. + (delete_null_pointer_checks): Do not handle delete_list. + + * cfgbuild.c (inside_basic_block_p, control_flow_insn_p): Break out from ... + (count_basic_blocks): ... here. + (find_basic_blocks, find_bb_boundaries): Cleanup. + + * stor-layout.c (fixup_signed_type, fixup_unsigned_type): Avoid + overflow for types greater then 2 * HOST_WIDE_INT. + + * reload.c (find_reloads): Update the duplicates after swapingg. + +Mon Dec 3 13:52:19 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movabsqi*): Use 'b' prefix instead of 'q'. + +2001-12-02 Zack Weinberg <zack@codesourcery.com> + + * config/rs6000/rs6000.h (MASK_ALTIVEC_ABI, + MASK_LONG_DOUBLE_128): Delete. + (MASK_AIX_STRUCT_RET, MASK_AIX_STRUCT_RET_SET, + TARGET_AIX_STRUCT_RET): New flags. + (TARGET_SWITCHES): Remove entries for -mlong-double-128 and + -mlong-double-64. Add entries for -m(no-)aix-struct-return + and -m(no-)svr4-struct-return. + (TARGET_OPTIONS): Add entry for -mlong-double-. + (rs6000_long_double_size_string, rs6000_long_double_type_size, + rs6000_altivec_abi): Declare. + (TARGET_LONG_DOUBLE_128, TARGET_ALTIVEC_ABI, + LONG_DOUBLE_TYPE_SIZE): Change definitions to match. + (RETURN_IN_MEMORY): If !TARGET_AIX_STRUCT_RET, return + structures of size <= 8 bytes in registers. + (PRINT_OPERAND_PUNCT_VALID_P): Take out '$' and '*'. + + * config/rs6000/rs6000.c (rs6000_long_double_size_string, + rs6000_long_double_type_size, rs6000_altivec_abi): New + globals. + (rs6000_override_options): Set rs6000_long_double_type_size + from rs6000_long_double_size_string, if nonzero. Set the + MASK_AIX_STRUCT_RET bit in target_flags from DEFAULT_ABI, if + not already set. + (rs6000_parse_abi_options): Set rs6000_altivec_abi, not a + target_flags bit. + (rs6000_init_builtins): This hook now takes no arguments. + + * config/rs6000/netbsd.h, config/rs6000/linux.h: Define + DRAFT_V4_STRUCT_RET to 1. + +2001-12-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (really_start_incremental_init, push_init_level): + Avoid constructor_max_index being other than an INTEGER_CST. + +2001-12-02 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/xcoff.h (ASM_OUTPUT_INTERNAL_LABEL): Display count + unsigned. + (ASM_GENERATE_INTERNAL_LABEL): Same. + (UNIQUE_SECTION): Fix typo. + +2001-12-02 Richard Henderson <rth@redhat.com> + + * c-decl.c (duplicate_decls): Conditionalize DECL_SAVED_TREE copy. + +2001-12-02 Richard Henderson <rth@redhat.com> + + * rtl.h (mem_attrs): Rename decl to expr; adjust all users. + (MEM_EXPR): Rename from MEM_DECL; adjust all users. + * emit-rtl.c (set_mem_expr): Rename from set_mem_decl. + * expr.h, final.c, reload1.c: Adjust users. + + * alias.c (nonoverlapping_component_refs_p): New. + (decl_for_component_ref, adjust_offset_for_component_ref): New. + (nonoverlapping_memrefs_p): Use them. + * emit-rtl.c (component_ref_for_mem_expr): New. + (set_mem_attributes): Use it. + (set_mem_offset): New. + * expr.c (expand_assignment): Call set_mem_attributes for + inner references; adjust the memory offset as needed. + * print-rtl.c (print_mem_expr): New. + (print_rtx): Use it. + +Sun Dec 2 09:22:25 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/x-interix3 (SYSTEM_HEADER_DIR): Put back default. + + * config/alpha/vms.h (VMS_DEBUGGING_INFO): New macro. + (PREFERRED_DEBUGGING_TYPE): Define as VMS_AND_DWARF2_DEBUG. + (ASM_SPEC): Don't redefine. + (OPTIMIZATION_OPTIONS, OVERRIDE_OPTIONS, LINK_SPEC): Define. + * config/alpha/t-vms (EXTRA_PARTS): Use; add rule for vms-dwarf2.asm. + * config/alpha/vms-dwarf2.asm: New file. + + * Makefile.in (OBJS): Add vmsdbgout.c and its rule. + * c-lex.c (init_c_lex): Test for VMS_AND_DWARF2_DEBUG. + * debug.h (gcc_debug_hooks): Add vmsdbg_debug_hooks. + (vmsdbgout_after_prologue): New declaration. + * defaults.h (VMS_DEBUGGING_INFO): Add to PREFERRED_DEBUGGING_TYPE. + * dwarf2.h (dwarf_attribute): New DW_AT_VMS_rtnbeg_pd_address. + * dwarf2out.c (dwarf2out_do_frame): Test for VMS_AND_DWARF2_DEBUG. + (dwarf2out_frame_finish): Test for VMS_AND_DWARF2_DEBUG. + (dwarf_attr_name): Use DW_AT_VMS_rtnbeg_pd_address. + (add_name_and_src_coords_attributes): Test VMS_DEBUGGING_INFO + * final.c (final_start_function): Test for VMS_AND_DWARF2_DEBUG. + Test VMS_DEBUGGING_INFO. + (final_end_function): Test for VMS_AND_DWARF2_DEBUG. + (final_scan_insn): Test for VMS_AND_DWARF2_DEBUG and VMS_DEBUG. + * flags.h (debug_info_type): Add VMS_DEBUG and VMS_AND_DWARF2_DEBUG. + * toplev.c (compile_file): Test VMS_DEBUGGING_INFO, VMS_DEBUG, and + VMS_AND_DWARF2_DEBUG. + (rest_of_type_compilation): Test for VMS_AND_DWARF2_DEBUG. + (decode_g_option): Add "vms" to debug_type_names. + (process_options): Set vmsdbg_debug_hooks if -gvms. + (lang_independent_init): Emit line number for VMS unless -g0. + * tree.c: (build_complex_type): Test for VMS_AND_DWARF2_DEBUG. + * vmsdbg.h, vmsdbgout.c: New files. + +Sun Dec 2 09:03:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cfgbuild.c (SET_STATE): Add cast to eliminate warning.a + +2001-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cfgrtl.c (purge_all_dead_edges): Initialize variable. + * dwarf2out.c (is_cxx): Prototype. + * local-alloc.c (block_alloc): Avoid 'unsigned>=0 is always true' + warning. + * objc/objc-act.c (defer_fn): Avoid signed/unsigned warning. + +Sun Dec 2 07:12:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * libgcc2.c (__bb_exit_func): Fix line wrap problems. + +2001-12-02 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Simplify. + * config/rs6000/rs6000.c (rs6000_emit_move): Use adjust_address + rather than simplify_subreg. Check for volatile-ness. Check that + we're not splitting one slow operation into two slow operations. + +2001-12-02 David Edelsohn <edelsohn@gnu.org> + + * emit-rtl.c (gen_lowpart_common): Cast array element to HOST_WIDE_INT + before shifting. + +2001-12-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (duplicate_decls, push_parm_decl): Remove leading + capital from diagnostics. + * c-lex.c (cb_file_change): Similarly. + * c-parse.in : Similarly. + * cfgrtl.c (verify_flow_info): Similarly. + * collect2.c: Similarly. + * cppfiles.c (find_include_file): Similarly. + * cppinit.c (cpp_handle_option): Similarly. + * cpplex.c (cpp_spell_token): Similarly. + * cppmain.c (do_preprocessing): Similarly. + * gcc.c (translate_options, process_command, do_spec1, + main, pfatal_execute): Similarly. + * genattr.c (main): Similarly. + * genattrtab.c (check_attr_test, operate_exp, simplify_test_exp, + write_test_expr, main): Similarly. + * gencodes.c (main): Similarly. + * genconfig.c (main): Similarly. + * genconstants.c (main): Similarly. + * genemit.c (main): Similarly. + * genextract.c (main): Similarly. + * genflags.c (main): Similarly. + * genopinit.c (main): Similarly. + * genoutput.c (process_template, main): Similarly. + * genpeep.c (main): Similarly. + * genrecog.c (main): Similarly. + * gensupport.c (is_predicable, identify_predicable_attribute, + alter_predicate_for_insn, init_md_reader_args, main): Similarly. + * ggc-page.c (alloc_anon): Similarly. + * mips-tfile.c (add_string, add_procedure, add_file, read_line, + parse_begin, parse_bend, parse_def, parse_end, parse_file, + parse_stabs_common, parse_stabs, write_varray, write_object, + read_seek, copy_object, main, error): Similarly. + * profile.c (compute_branch_probabilities): Similarly. + * reg-stack.c (check_asm_stack_operands): Similarly. + * reload.c (find_reloads): Similarly. + * reload1.c (spill_failure, failed_reload): Similarly. + * rtl-error.c (_fatal_insn_not_found): Similarly. + * toplev.c (read_integral_parameter, crash_signal, + decode_f_option, set_target_switch, parse_options_and_default_flags) + : Similarly. + * tradcif.y (parse_number, yylex): Similarly. + * tradcpp.c (main, fancy_abort): Similarly. + * tree.c (tree_check_failed): Similarly. + * varray.c (varray_check_failed): Similarly. + * xcoffout.c (xcoff_output_standard_types): Similarly. +objc: + * objc-act.c (get_object_ref, lookup_and_install_protocols, + build_objc_string_object, objc_declare_alias, build_ivar_chain, + finish_message_expr, build_protocol_expr, is_public, + start_class): Similarly. + +2001-12-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (duplicate_decls, parmlist_tags_warning): Remove + trailing period from diagnostics. + * c-lex.c (cb_file_change): Similarly. + * cppmacro.c (check_trad_stringification): Similarly. + * gcc.c (do_spec_1): Similarly. + * genattr.c (main): Similarly. + * genattrtab.c (main, operate_exp, make_length_attrs): Similarly. + * gencodes.c (main): Similarly. + * genconfig.c (main): Similarly. + * genconstants.c (main): Similarly. + * genemit.c (main): Similarly. + * genextract.c (main): Similarly. + * genopinit.c (main): Similarly. + * genoutput.c (main): Similarly. + * genpeep.c (main): Similarly. + * genrecog.c (main): Similarly. + * mips-tfile.c (add_file, error): Similarly. + * profile.c (init_branch_prob): Similarly. + * reload1.c (spill_failure): Similarly. + * stmt.c (parse_output_constraint): Similarly. + * varasm.c (assemble_variable): Similarly. + +2001-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * m68k.c (init_FPA_table): Provide static prototype. + * mips/abi64.h (mips_function_value): Move prototype to ... + * mips-protos.h (mips_function_value): ... here. + * mips.c: Include halfpic.h. + * output.h (rdata_section): Prototype. + + * h8300.c (h8300_asm_named_section): Wrap with !OBJECT_FORMAT_ELF. + * m88k.c (m88k_svr3_asm_out_constructor, + m88k_svr3_asm_out_destructor): Wrap with CTOR_LIST_BEGIN && + !OBJECT_FORMAT_ELF. + * mcore.c (mcore_asm_named_section): Wrap with OBJECT_FORMAT_ELF. + * sh.c (sh_asm_named_section): Wrap with !OBJECT_FORMAT_ELF. + * sparc.c (sparc_elf_asm_named_section): Wrap with OBJECT_FORMAT_ELF. + +2001-12-01 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Complex + LO_SUM addresses less than word size are not legitimate, + because they lead to invalid SUBREGs. + * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise. + +2001-12-01 Olivier Hainque <hainque@act-europe.fr> + + * unroll.c (loop_iterations): Give up on jumps with null JUMP_LABEL + while scanning for multiple back edges. + +2001-12-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * ginclude/ppc-asm.h (JUMP_TARGET): New macro. + * config/rs6000/tramp.asm: Use it. + +2001-12-01 Zack Weinberg <zack@codesourcery.com> + + * gencheck.c, gengenrtl.c: Don't define xmalloc. + * gensupport.c: Don't define xstrdup, xcalloc, xrealloc, + xmalloc. + +2001-11-30 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (output_ascii): Cast `p' to unsigned char. + +2001-11-30 Daniel Berlin <dan@cgsoftware.com> + + * config/rs6000/rs6000.c (altivec_expand_builtin): add + ALTIVEC_BUILTIN_LD_INTERNAL_4sf and ALTIVEC_BUILTIN_ST_INTERNAL_4sf, + *_16qi,_8hi, rename existing V4SI ones to *_4si. + (altivec_init_builtins): Ditto. + (bdesc_2arg): Rename CODE_FOR_* to match changes in MD file. + + * config/rs6000/rs6000.md: Add attribute types vecsimple, + veccomplex, vecfloat, and vecperm, for altivec instructions. + Modify altivec patterns to use appropriate attribute type. + Modify altivec patterns to match RTL operations where appropriate + (IE no unspec where we can avoid it). + Add vector unit scheduling for ppc7450. + Rename patterns to what they are where appropriate + (altivec_vaddfp->addv4sf3, etc) + + * config/rs6000/rs6000.h (enum rs6000_builtins): Change VRS->VSR. + Pass -mppc, and define _ARCH_PPC, if -mcpu=7450 is used. + + * config/rs6000/sysv4.h: Add -mcpu=7450. + + * testsuite/gcc.dg/altivec-1.c: Update test to take into account renamed + _builtin_altivec_ld_interal function. + +2001-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (AC_CHECK_FUNCS): Delete strtoul, bsearch, popen, + strchr, strrchr, isascii, gettimeofday. + * config.in, configure: Regenerate. + +2001-11-30 Zoltan Hidvegi <hzoli@hzoli.2y.net> + + * unroll.c (unroll_loop): Correct special exit cases. + +2001-11-30 Stephane Carrez <Stephane.Carrez@sun.com> + + * config/sparc/sparc.c (DF_MODES_NO_S): Fix pr/3623, define to + accept DFmode and DImode only. + +2001-11-30 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (STARTING_FRAME_OFFSET): Adjust for altivec. + (STACK_DYNAMIC_OFFSET): Same. + +2001-11-30 Richard Henderson <rth@redhat.com> + + * c-decl.c (duplicate_decls): Copy DECL_SAVED_TREE. + +2001-11-30 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): New. + (CONDITIONAL_REGISTER_USAGE): Set call_really_used_registers to + the values in call_used_registers. + +Fri Nov 30 12:48:26 2001 Jeffrey A Law (law@cygnus.com) + + * gthr-dce.h: If _DCE_THREADS is not defined, then just include + gthr-single. + +2001-11-30 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (is_cxx): New fn. + (add_data_member_location_attribute): Check it. + * dbxout.c (dbxout_type): Only look at BINFO_VPTR_FIELD for C++. + +Fri Nov 30 08:26:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Handle const1_rtx. + +2001-11-30 Daniel Berlin <dan@cgsoftware.com> + + * genopinit.c (gen_insn): Handle MODE_VECTOR_INT and + MODE_VECTOR_FLOAT as allowed. + +2001-11-29 Zack Weinberg <zack@codesourcery.com> + + Purge cruft now we have build libiberty. + + * Makefile.in (OBSTACK, VFPRINTF, DOPRINT, STRSTR, + HOST_OBSTACK, HOST_VFPRINTF, HOST_DOPRINT, HOST_STRSTR, + USE_HOST_OBSTACK, USE_HOST_VFPRINTF, USE_HOST_DOPRINT, + USE_HOST_STRSTR): Delete variables. + (vfprintf.o, doprint.o, strstr.o, splay-tree.o, obstack.o, + hashtab.o, safe-ctype.o, $(HOST_PREFIX_1)obstack.o, + $(HOST_PREFIX_1)vfprintf.o, $(HOST_PREFIX_1)doprint.o, + $(HOST_PREFIX_1)strstr.o), $(HOST_PREFIX_1)): Delete rules. + (LIBIBERTY, BUILD_LIBIBERTY): New variables. + (LIBDEPS): Now just $(INTLDEPS) $(LIBIBERTY). + (LIBS): Now just $(INTLLIBS) @LIBS@ $(LIBIBERTY). + (HOST_LIBDEPS): Now just $(BUILD_LIBIBERTY). + (HOST_LIBS): Ditto. + (HOST_RTL): Remove hashtab.o safe-ctype.o. + (OBJS): Remove splay-tree.o. + (gen-protos): Depend on $(HOST_LIBS), not ../libiberty/libiberty.a. + (distclean): No need to delete splay-tree.c obstack.c + hashtab.c safe-ctype.c. + (mostlyclean): Delete build copies of print-rtl.c bitmap.c + errors.c ggc-none.c (all prefixed with $(HOST_PREFIX_1). + * aclocal.m4 (gcc_AC_FUNC_VFPRINTF_DOPRNT, gcc_AC_FUNC_STRSTR): + Delete. + * configure.in: Don't use them. + Set and substitute @FORBUILD@. + * config.in, configure: Regenerate. + * doprint.c: Move to libiberty/_doprnt.c. + * doc/configterms.texi: Document that libiberty is now built + up to three times. Fix typo. + +2001-11-30 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (add_data_member_location_attribute): Do the + right thing for virtual bases. + * dbxout.c (dbxout_type): For a virtual base, print the offset + within the vtable. + +2001-11-29 Zoltan Hidvegi <hzoli@hzoli.2y.net> + + * doloop.c (doloop_valid_p): Check for LTU and GTU as well. + +2001-11-29 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (function_arg): Unnamed vector arguments + go in memory. + Remove unused attribute for named. + +2001-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genattrtab.c (attr_rtx_1): New function containing the + majority of `attr_rtx'. Move variable declarations into the + scope where they are used. Eliminate unnecessary gotos. + (attr_rtx): Now just a wrapper for `attr_rtx_1' using VA_OPEN, + VA_FIXEDARG, and VA_CLOSE. + +2001-11-30 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_notice_update_cc): Check first + destination also against overlap with cc_status.value2 and second + destination against overlap with cc_status.value1. For overlaps, + clear overlapped value, don't just CC_STATUS_INIT. + + * config/cris/cris.h (EXTRA_CONSTRAINT_T): Fix spacing and FIXME. + Fix typo in comment. + (LINK_SPEC): Remove whitespace at end of line. + +2001-11-29 Jakub Jelinek <jakub@redhat.com> + + * c-lex.c (init_c_lex): Canonicalize "-" filename to "". + +2001-11-29 Jakub Jelinek <jakub@redhat.com> + + * gcc.c (ASM_DEBUG_SPEC): Only check HAVE_AS_G*_DEBUG_FLAG + macros for the supported debugging types. + +2001-11-29 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR other/4932 + * config/i386/i386.c (print_operand): Verify that the + argument to %c is a constant and not a conditional which + needs to be reversed. + +Thu Nov 29 11:12:59 2001 Geoffrey Keating (geoffk@redhat.com) + + * emit-rtl.c (gen_lowpart_common): Fix conversion of + REAL_VALUE_TYPEs to an array of target integers. Fix extraction + of low part of those arrays for 32bit and 64bit hosts. + +2001-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (insn-output.o): Depend on insn-codes.h. + +2001-11-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in (target_list): Add generated-manpages. + * configure: Regenerate. + * Makefile.in (generated-manpages): Depend on + lang.generated-manpages. + * objc/Make-lang.in (objc.generated-manpages): New dummy target. + +2001-11-29 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/crti.asm (_init): Add .thumb_func if compiled + with -mthumb. + (_fini): Add .thumb_func if compiled with -mthumb. + +2001-11-28 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.c (override_options): Fix thinko in mips_tune + for mips32/mips64. Remove MASK_SOFT_FLOAT configuration bits. + +Thu Nov 29 00:24:15 EST 2001 John Wehle (john@feith.com) + + * alpha.md (tablejump): Use pic_offset_table_rtx + instead of gen_rtx_REG. + +Wed Nov 28 15:36:13 2001 Jeffrey A Law (law@cygnus.com) + + * expr.c (store_expr): When copying a string constant into an + array, reset the known alignment of the MEM for the section to + be cleared to BITS_PER_UNIT. + +2001-11-28 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c: Remove whitespace at end of line. + +Wed Nov 28 14:51:23 2001 Douglas B. Rupp <rupp@gnat.com> + + * config.gcc (i[34567]86-*-interix3*): New case. + * config/x-interix3, config/interix3.h, config/i386/i386-interix3.h: + New files. + +2001-11-28 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (sibcall_osf_1, sibcall_value_osf_1): Use + symbolic_operand as the predicate. + +2001-11-28 Richard Henderson <rth@redhat.com> + + * doloop.c (doloop_modify_runtime): Properly select induction + variable; skip late entry test if biv initializer created by loop. + +Wed Nov 28 08:21:47 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.h (EXPR_WFL_LINECOL): Used by Java in node other than + EXPR_WITH_FILE_LOCATION, so change checks and documentation. + + * tree.h (TREE_VIA_PROTECTED): Update to show can be in TREE_VEC. + + * tree.h: Add missing checks on some macros; make formatting more + consistent. + + * stor-layout.c (put_pending_size): Look for SAVE_EXPR if not at top + level; only add to pending_sizes if find it. + + * langhooks.c (lhd_safe_from_p): Add ATTRIBUTE_UNUSED. + + * df.c (iterate_dataflow_sbitmap, iterate_dataflow_bitmap): + Add casts to remove warnings. + + * Makefile.in (OBJS): Sort alphabetically. + + * print-rtl.c (print_rtx): If RTX code is bad, just say so. + Also minor cleanups. + +Wed Nov 28 06:52:27 2001 Arnaud Charlet <charlet@ACT-Europe.FR> + + * Makefile.in (ORDINARY_FLAGS_TO_PASS): Remove STAGE_PREFIX. + (FLAGS_TO_PASS): Add STAGE_PREFIX. + (SUBDIR_FLAGS_TO_PASS): Apply PREPEND_DOTDOT_TO_RELATIVE_PATH + to STAGE_PREFIX. + +Wed Nov 28 10:42:19 CET 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (true_dependence_in_rtx): New function. + (invalidate): Use it. + + * c-common.h (GOTO_FAKE_P): New macro. + * tree-inline.c (GOTO_FAKE_P): Set. + * c-tree.texi (GOTO_FAKE_P): Document. + + * varasm.c (assemble_variable): Set reloc to 3 for error_mark + containing pointers. + (output_addressed_constants): Check for local/external relocations. + * elfos.h (SELECT_SECTION): Classify data section. + * tm.texi (SELECT_SECTION): Update documentation. + + * cfganal.c (flow_dfs_compute_reverse_add_bb): set visited bit. + (flow_dfs_compute_reverse_execute): Add only unvisited blocks. + +2001-11-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Also provide defaults when we have + OBJECT_FORMAT_ROSE. + +2001-11-28 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c: Tweak spacing for prototypes. + (LOSE_AND_RETURN): New macro. + (cris_operand_lossage): New function. + (cris_print_index, cris_print_base): Use cris_operand_lossage + rather than fatal_insn. + (cris_print_operand, cris_print_operand_address): Use + LOSE_AND_RETURN rather than fatal_insn and internal_error. + (cris_output_addr_const): Use LOSE_AND_RETURN and + output_operand_lossage rather than fatal_insn and internal_error + for valid but unexpected rtx expressions. + + * config/cris/cris.c (cris_split_movdx): Don't call alter_subreg + for a SUBREG in src or dest, abort instead. + +2001-11-28 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * doc/passes.texi: Remove reference to c-dump.c. Update tree inlining + doc. + +2001-11-27 Jakub Jelinek <jakub@redhat.com> + + * gcc.c (ASM_DEBUG_SPEC): Use conditional expression rather than + preprocessor define. If only DBX_DEBUGGING_INFO or only + DWARF2_DEBUGGING_INFO is supported for the target, provide + appropriate definitions. + +2001-11-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update, and add c-objc-common.o dependencies. + * c-lang.c: Remove unnecessary includes. + (c_init): Move bulk of code to c_objc_common_init, and call it. + (c_tree_printer, c_missing_noreturn_ok_p, c_disregard_inline_limits, + inline_forbidden_p, c_cannot_inline_tree_fn): Move to + c-objc-common.c. + * c-objc-common.c: New. Mostly pulled from c-lang.c. + * c-tree.h (c_disregard_inline_limits, c_cannot_inline_fn, + c_objc_common_init, c_missing_noreturn_ok_p): New. + * toplev.c: Update comment. + * doc/passes.texi: Update. +objc: + * objc-act.c (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN, + LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS, + LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Override. + (objc_init): Update to use c_objc_common_init. + +2001-11-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.c (_cpp_init_hashtable): Update. + * cpphash.h (struct spec_nodes): Remove n_L. + * cpplex.c (_cpp_lex_direct): Check for prefix L separately. + +2001-11-17 Richard Henderson <rth@redhat.com> + + * unroll.c (loop_iterations): Move last change ... + * doloop.c (doloop_modify_runtime): ... here. + +2001-11-17 Corey Minyard <minyard@acm.org> + Richard Henderson <rth@redhat.com> + + * unroll.c (loop_iterations): Detect one situation in which we + overestimate the number of iterations. + +2001-11-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gcc.c (set_input): Export. + Move declaration ... + gcc.h (set_input): ... here. + +2001-11-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gcc.c (set_collect_gcc_options): New function, split out from + main. + Ignore elided switches. + (do_spec): Invoke before executing command. + (do_spec_1): Likewise. + Fixes PR other/3968. + +2001-11-27 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (INT_ASM_OP): Remove. + +2001-11-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/i386/sol2.h (WINT_TYPE): Redefine. + (WINT_TYPE_SIZE): Likewise. + +2001-11-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c: Check HAVE_DUP2 instead of NO_DUP2. + (dup2): Make static and add prototype. + * m68k/plexus.h: Don't define NO_DUP2. + * configure.in (AC_CHECK_FUNCS): Add dup2. + * config.in, configure: Regenerate. + + * ia64/aix.h (REG_SIZE): Don't #undef. + * sparc.h (REG_SIZE): Delete. + * flow.c (mark_used_regs): Don't use REG_SIZE. + * regs.h (REG_SIZE): Delete. + +2001-11-27 Andreas Schwab <schwab@suse.de> + + * gcc.c: Fix typo PREFERRED_DEBUGGING_FORMAT -> + PREFERRED_DEBUGGING_TYPE. + +Tue Nov 27 08:21:47 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (c-lang.o): Depends on langhooks-def.h. + (expr.o, varasm.o): Depends on langhooks.h. + * c-common.c (c_safe_from_p): Always declare. + (c_expand_expr): Refine when declared. + * c-lang.c (c-common.h): Now include. + (LANG_HOOKS_SAFE_FROM_P): Define new hook. + (c_init): Don't set lang_safe_from_expr. + * expr.c (langhooks.h): Now include. + (lang_safe_from_p): No longer define. + (safe_from_p): Use lang hook. + (expand_expr): Set IGNORE if VOID_TYPE result of VIEW_CONVERT_EXPR too. + (expand_expr, case VIEW_CONVERT_EXPR): Pass ro_modifier down. + * expr.h (lang_expand_constant, lang_safe_from_p): Delete. + * langhooks-def.h (lhd_return_tree, lhd_safe_from_p): New decls. + (LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks. + * langhooks.c (lhd_return_tree, lhd_safe_from_p): New functions. + * langhooks.h (struct lang_hooks): New fields expand_constant + and safe_from_p. + * output.h (output_constant): Size arg is HOST_WIDE_INT. + * stmt.c (expand_decl_init): No longer need to expand constant + for CONST_DECL. + * stor-layout.c (put_pending_size): Don't check for SAVE_EXPR. + * toplev.c (lang_expand_constant): Delete var. + * tree.c (save_expr): Don't put another SAVE_EXPR around simple + operations on SAVE_EXPR. + * varasm.c (langhooks.h): Now include. + (compare_constant_1): Use lang_hooks, not lang_expand_constant. + (record_constant_1, output_addressed_constants): Likewise. + (initializer_constant_valid_p, output_constant): Likewise. + (output_constant_def): Process no-defer of string constant. + (output_addressed_constants, case ADDR_EXPR): Use handled_component_p. + (output_constant): Strip more conversions. + Track our size and pad for the rest. + (array_size_for_constructor): Remove code for non-byte STRING_CST. + (output_constructor): SIZE now HOST_WIDE_INT. + +2001-11-27 Richard Henderson <rth@redhat.com> + + * ifcvt.c (noce_try_store_flag_constants): Test for overflow + in computing DIFF. + +2001-11-27 Zack Weinberg <zack@codesourcery.com> + + * cppfiles.c (read_include_file): Add comment. + +2001-11-26 Richard Henderson <rth@redhat.com> + + * toplev.c (rest_of_compilation): Call free_bb_for_insn before exit. + +2001-11-26 Richard Henderson <rth@redhat.com> + + * config/ia64/sysv4.h (DBX_DEBUGGING_INFO): Undef. + * config/ia64/aix.h (PREFERRED_DEBUGGING_TYPE): Remove + commented out override. + +2001-11-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Don't optimize zero-length + files. + (read_include_file): NUL-terminate read files. + * cpplex.c (handle_newline, skip_escaped_newlines, + get_effective_char, skip_whitespace, parse_identifier, + parse_identifier_slow, parse_number, parse_string, + _cpp_lex_direct): Optimize for the fact that buffers are guaranteed + NUL-terminated. + * cpplib.c (destringize_and_run, cpp_define, handle_assertion): + Be sure buffers are NUL terminated. + * cppmacro.c (warn_of_redefinition): Kill compile warning. + +2001-11-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c: Include tree-inline.h. + (c_language): Move separate definitions here. + (c_common_init_options, c_common_post_options): New. + (c_common_lang_init): Rename c_common_init. + * c-common.h (c_common_lang_init): Similarly. + (c_common_init_options, c_common_post_options): New. + * c-lang.c (c_post_options): Move body to c_common_post_options. + (c_init_options): Use c_common_init_options. + (c_init): Update. + * langhooks.def: Rearrange. + * langhooks.h: Rearrange, and improve comments. + * toplev.c (do_compile): New function. + (toplev_main): Use it. + (lang_independent_f_options, parse_options_and_default_flags, + process_options): Remove trailing periods. + * Makefile.in: Update. +objc: * objc-act.c (objc_post_options, objc_init_options): Use c-common.c + functions. + (ojbc_init): Update. + +2001-11-26 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (unop): Add 0 offset for some gas versions. + +2001-11-26 DJ Delorie <dj@redhat.com> + + * expr.c (store_constructor): Actually use the value computed + if WORD_REGISTER_OPERATIONS. + +2001-11-26 Richard Henderson <rth@redhat.com> + + * config/elfos.h (SELECT_SECTION): Don't check TREE_READONLY + for CONSTRUCTOR. + +2001-11-26 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (output_mi_thunk): Handle minimal-toc and call + correct function on AIX. + +2001-11-26 Alexandre Oliva <aoliva@redhat.com> + + * toplev.c (process_options): Don't force + flag_optimize_sibling_calls to zero just because exceptions are + enabled. + +Mon Nov 26 12:37:05 2001 Jeffrey A Law (law@cygnus.com) + + * df.h (transfer_function_sbitmap): Use PARAMS around argument + list in function prototypes. + (transfer_function_bitmap): Likewise. + +2001-11-26 Loren J. Rittle <ljrittle@acm.org> + + * config/stormy16/stormy16.h: Remove DEFAULT_VTABLE_THUNKS. + * config/i386/netbsd-elf.h: Likewise. + +2001-11-26 David Edelsohn <edelsohn@gnu.org> + + * doc/trouble.texi: Remove outdated RS/6000 comments. + +Mon Nov 26 13:49:41 CET 2001 Jan Hubicka <jh@suse.cz> + + * final.c (walk_alter_subreg): Fix return value. + +Mon Nov 26 11:36:20 CET 2001 Jan Hubicka <jh@suse.cz> + + * sparc.c (sparc_absnegfloat_split_legitimate): Do not call + alter_subreg. + * sparc.md (post-reload splitters): Do not call alter_subreg. + * cfgrtl.c (purge_dead_edges): Fix typo in previous fix. + +2001-11-25 Aldy Hernandez <aldyh@redhat.com> + + * regclass.c (choose_hard_reg_mode): Handle vector arguments. + +2001-11-26 Alan Modra <amodra@bigpond.net.au> + + * final.c: (insn_lengths): Make it an int *, so that large jump + tables don't overflow. + +2001-11-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-format.c (FMT_FLAG_DOLLAR_GAP_POINTER_OK): New. + (format_types): Use it for scanf. + (dollar_arguments_pointer_p): New. + (init_dollar_format_checking): Store details of which arguments + are pointers. + (maybe_read_dollar_number): Reallocate dollar_arguments_pointer_p. + (finish_dollar_format_checking): Take extra parameter + pointer_gap_ok. Treat unused arguments differently if + pointer_gap_ok and the unused arguments are pointers. + (check_format_info_main): Pass extra argument to + finish_dollar_format_checking. + * doc/invoke.texi (-Wno-format-extra-args): Document behavior when + unused arguments are present between used arguments with operand + numbers. + +2001-11-25 Daniel Berlin <dan@cgsoftware.com> + + * df.c: Add prototypes for hybrid_search_bitmap and + hybrid_search_sbitmap. + (hybrid_search_bitmap): New function. + (hybrid_search_sbitmap): New function. + (iterative_dataflow_sbitmap): Change to use hybrid_search_sbitmap. + (iterative_dataflow_bitmap): Ditto. + +2001-11-25 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (peephole2): New peephole2 to optimize + address computations. + +2001-11-25 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (d_register_operand): Must accept + register b (low part of d). + +2001-11-25 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (FUNCTION_PROFILER): Fix label name + passed to mcount. + +Sun Nov 25 06:22:09 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/vms-ld.c, config/alpha/vms-cc.c: New files. + * config/alpha/x-vms: New file, to compile the above. + * config.gcc (alpha*-dec-vms*): Add x-vms. + +2001-11-24 Hans-Peter Nilsson <hp@axis.com> + + * genextract.c (main): Set ro_loc for peepholes. + +Sat Nov 24 17:04:10 2001 Douglas B. Rupp <rupp@gnat.com> + + * fix-header.c (main): Move inf_buffer termination and inf_limit + calculation to after read. + + * config/alpha/xm-vms.h (FILE_TYPE): Remove undef and baggage. + (__UNIX_FOPEN): Define. + +Sat Nov 24 16:11:00 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (assign_stack_temp_for_type): Clear alias set before + setting new one. + +2001-11-23 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (print_operand, case 'v'): Use HOST_WIDE_INT_PRINT_HEX + format. + * rs6000.md (cmptf): Fix typo. + +2001-11-23 Richard Sandiford <rsandifo@redhat.com> + + * final.c (output_addr_const): Output PC as '.' even if !flag_pic. + * varasm.c (output_constructor): Use assemble_integer rather + than ASM_OUTPUT_BYTE. + +2001-11-23 Andreas Jaeger <aj@suse.de> + + * cpplex.c (cpp_interpret_charconst): Use HOST_WIDE_INT for sign + extension. + +2001-11-23 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/xscale-coff.h (SUBTARGET_CPU_DEFAULT): Override + default definition. + (SUBTARGET_EXTRA_ASM_SPEC): Remove previous definition. + (MULTILIB_DEFAULTS): Remove previous definition. + +2001-11-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (warn_of_redefinition): Warn regardless of -pedantic. + * gcc.dg/cpp/mi6.c, gcc.dg/cpp/redef2.c: Update. + +2001-11-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cris.h: Revert thinko in last patch. + +2001-11-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog, + FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c, + cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c, + dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h, + explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c, + sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors. + + * predict.c, reg-stack.c: Fix spelling errors. + +2001-10-09 Andrew Haley <aph@redhat.com> + + * calls.c (check_sibcall_argument_overlap): Use slot_offset for + start of stack slot. + +2001-11-22 Graham Stott <grahams@redhat.com> + + * cfgrtl.c (try_redirect_by_replacing_jump): Fix typo, emit + replacement jump after original jump. + + (verify_flow_info): Remove redundent initialisation. + Handle reaching end of insn list before finding a BARRIER. + Only issue one missing barrier diagnostic. + +2001-11-22 Graham Stott <grahams@redhat.com> + + * local-alloc.c (combine_regs): Handle SUBREG_REG being a MEM. + +Thu Nov 22 06:49:14 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.md (leave, leave_rex64): Have RTL reflect what + insn actually does. + +2001-11-22 Nick Clifton <nickc@cambridge.redhat.com> + + * doc/invoke.texi (M32R/D Option Summary): Document -m32r switch. + Fix typo -mm32rx=> -m32rx. + + * config/arm/arm.c (arm_elf_asm_named_section): Only build for elf + targets. + + * config.gcc (xscale-coff): Add necessary header files to + tm_file variable. + +2001-11-20 Zack Weinberg <zack@codesourcery.com> + + * rs6000.c (output_cbranch): Use $, not %$, in output template. + +2001-11-21 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * tree-dump.c: Rename from c-dump.c. Include c-tree.h, not c-common.h. + (lang_type_quals): Declare. + (dequeue_and_dump): Use lang_hooks.tree_dump.type_quals function to + retrieve language-specific qualifiers for a type node, instead of + C_TYPE_QUALS. Likewise for lang_hooks.tree_dump.dump_tree instead of + lang_dump_tree. + * tree-dump.h: Rename from c-dump.h. + * c-common.h (C_TYPE_QUALS): Removed. + Move declarations for tree-dump.c interface to... + * tree.h: ... here. Remove lang_dump_tree. + * langhooks.h (struct lang_hooks_for_tree_dump): New. + (struct lang_hooks): Add tree_dump hooks. + * langhooks.c (lhd_tree_dump_dump_tree): New function. + (lhd_tree_dump_type_quals): New function. + * langhooks-def.h (lhd_tree_dump_dump_tree, lhd_tree_dump_type_quals): + Declare. + (LANG_HOOKS_INITIALIZER): Add tree_dump hooks. + * Makefile.in: Move tree-dump.o to language-independent back-end. + +2001-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * 1750a.h (DBX_REGISTER_NUMBER): Don't define. + * alpha.h (DBX_REGISTER_NUMBER): Likewise. + * arc.h (DBX_REGISTER_NUMBER): Likewise. + * arm/aout.h (DBX_REGISTER_NUMBER): Likewise. + * avr.h (DBX_REGISTER_NUMBER): Likewise. + * c4x.h (DBX_REGISTER_NUMBER): Likewise. + * clipper.h (DBX_REGISTER_NUMBER): Likewise. + * convex.h (DBX_REGISTER_NUMBER): Likewise. + * cris.h (DBX_REGISTER_NUMBER): Likewise. + * dsp16xx.h (DBX_REGISTER_NUMBER): Likewise. + * elxsi.h (DBX_REGISTER_NUMBER): Likewise. + * fr30.h (DBX_REGISTER_NUMBER): Likewise. + * h8300.h (DBX_REGISTER_NUMBER): Likewise. + * i370.h (DBX_REGISTER_NUMBER): Likewise. + * i860.h (DBX_REGISTER_NUMBER): Likewise. + * i860/paragon.h (DBX_REGISTER_NUMBER): Likewise. + * i860/sysv3.h (DBX_REGISTER_NUMBER): Likewise. + * i860/sysv4.h (DBX_REGISTER_NUMBER): Likewise. + * m32r.h (DBX_REGISTER_NUMBER): Likewise. + * m68hc11.h (DBX_REGISTER_NUMBER): Likewise. + * m88k.h (DBX_REGISTER_NUMBER): Likewise. + * mcore/mcore-elf.h (DBX_REGISTER_NUMBER): Likewise. + * mcore.h (DBX_REGISTER_NUMBER): Likewise. + * mn10200.h (DBX_REGISTER_NUMBER): Likewise. + * mn10300.h (DBX_REGISTER_NUMBER): Likewise. + * pdp11.h (DBX_REGISTER_NUMBER): Likewise. + * romp.h (DBX_REGISTER_NUMBER): Likewise. + * rs6000.h (DBX_REGISTER_NUMBER): Likewise. + * rs6000/sysv4.h (DBX_REGISTER_NUMBER): Likewise. + * s390/linux.h (DBX_REGISTER_NUMBER): Likewise. + * stormy16.h (DBX_REGISTER_NUMBER): Likewise. + * v850.h (DBX_REGISTER_NUMBER): Likewise. + * vax.h (DBX_REGISTER_NUMBER): Likewise. + * we32k.h (DBX_REGISTER_NUMBER): Likewise. + + * defaults.h (DBX_REGISTER_NUMBER): Provide a default. + * doc/tm.texi (DBX_REGISTER_NUMBER): Update. + +2001-11-21 H.J. Lu <hjl@gnu.org> + + * config/rs6000/sysv4.h (LIB_SPEC): Fix a typo. + +2001-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * s390.c (s390_va_arg): Eliminate ALIGN parameter in call to + emit_cmp_and_jump_insns. + + * stormy16.c (xstormy16_expand_builtin_va_arg, + xstormy16_expand_casesi): Likewise. + +Wed Nov 21 17:37:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (keep_stack_depressed): Major rework. + (handle_epilogue_set, emit_equiv_load): New functions. + (thread_prologue_and_epilogue_insns): keep_stack_depressed now + has return value. + * jump.c (returnjump_p_1): Also return 1 if SET with SET_IS_RETURN_P. + * rtl.h (SET_IS_RETURN_P): New macro. + + * expr.c (expand_expr, case VIEW_CONVERT_EXPR): Refine slightly + and also support TREE_ADDRESSABLE. + * tree.def (VIEW_CONVERT_EXPR): Document TREE_ADDRESSABLE. + +2001-11-21 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (cmptf_internal1): Replace %$ with $. + +Wed Nov 21 16:44:01 2001 Douglas B. Rupp <rupp@gnat.com> + + * cppfiles.c (STAT_SIZE_TOO_BIG): Define. + (read_include_file): Use STAT_SIZE_TOO_BIG. + + * cppinit.c (INO_T_COPY): Define. + (INO_T_EQ): Uppercase parameters. + (append_include_chain): Use INO_T_COPY. + +2001-11-21 Richard Sandiford <rsandifo@redhat.com> + + * cfg.c: Fix typos and formatting in the introductory comment. + +Wed Nov 21 12:38:37 CET 2001 Jan Hubicka + + * profile.c (compute_branch_probabilites): Compute probabilities + for entry/exit edges; estimate probabilities for zero counts. + +2001-11-21 Jakub Jelinek <jakub@redhat.com> + + * explow.c (probe_stack_range): Use LCT_NORMAL as second argument + to emit_library_call. + * function.c (expand_main_function, expand_function_start, + expand_function_end): Likewise. + * profile.c (output_func_start_profiler): Likewise. + * stmt.c (expand_nl_goto_receivers): Use LCT_NORETURN as + second argument to emit_library_call. + * optabs.c (prepare_cmp_insn): Use LCT_CONST_MAKE_BLOCK + as second argument to emit_library_call. + * calls.c (emit_library_call): Update fn_type description. + +2001-11-21 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (c_expand_deferred_function): Only call c_expand_body + if fndecl is still DECL_INLINE and has DECL_RESULT. + +2001-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * clipper.c (clipper_movstr): Avoid uninitialized warning. + * i960.c (is_mask, legitimize_address): Likewise. + * m88k.c (m88k_expand_prologue): Likewise. + * m88k.md: Likewise. + * mcore.c (emit_new_cond_insn): Likewise. + * stormy16.c (xstormy16_emit_cbranch): Likewise. + +2001-11-20 Zack Weinberg <zack@codesourcery.com> + + * config.gcc: Delete powerpcle-*-solaris2* stanza. + * config/rs6000/eabi.asm, config/rs6000/rs6000.c, + config/rs6000/rs6000.h, config/rs6000/rs6000.md, + config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm, + config/rs6000/sysv4.h, config/rs6000/t-ppccomm, + config/rs6000/t-ppcos: Expunge all references to Solaris. + + * config/rs6000/sol-c0.c, config/rs6000/sol2.h: Delete. + + * config/rs6000/rs6000.md: Replace '%$' with '$' in all + output templates. + * config/rs6000/rs6000.h: Define DEFAULT_PCC_STRUCT_RETURN to 0, + and change RETURN_IN_MEMORY to just check AGGREGATE_TYPE_P. + +2001-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sh.md: Avoid uninitialized warnings. + * vax.c (vax_rtx_cost): Likewise. + +2001-11-15 Aldy Hernandez <aldyh@redhat.com> + + * rs6000.c (direct_return): Check if we are saving altivec + registers. + (first_altivec_reg_to_save): New. + Updated stack frame layout comments. + (rs6000_stack_info): Calculate altivec register save size. + Save link register if we saved some altivec registers. + (rs6000_stack_info): Align save size to 16 if altivec abi or + abi_darwin. + (rs6000_stack_info): Calculate altivec register offsets. + (rs6000_stack_info): Add altivec info to save_size. + (debug_stack_info): Add altivec debug info. + (rs6000_emit_prologue): Save altivec registers and vrsave. + (compute_vrsave_mask): New. + (altivec_expand_builtin): Remove unused variables. + (rs6000_parse_abi_options): Add static qualifier. + (rs6000_expand_builtin): Remove unused parameters. + (altivec_expand_builtin): Cast bdesc_2arg to get rid of warning. + (altivec_init_builtins): Same. + (is_altivec_return_reg): New. + (vrsave_operation): New. + (ALTIVEC_REG_BIT): New. + (generate_set_vrsave): New. + + * rs6000.md (get_vrsave): New. + (set_vrsave): New. + (*set_vrsave_internal): New. + + * rs6000.h (rs6000_stack): Add first_altivec_reg_save, + altivec_save_offset, vrsave_save_offset, altive_size, vrsave_size, + altivec_padding_size, vrsave_mask. + (TOTAL_ALTIVEC_REGS): New. + (EPILOGUE_USES): Add VRSAVE_REGNO. + +2001-11-20 Jeff Law <law@redhat.com> + + * unroll.c (copy_loop_body): Update LABEL_NUSES for the + exit label as necessary. + +2001-11-20 Brad Kaiser <bkaiser@acelink.net> + + * reload1.c (elimination_effects): Use function_invariant_p + instead of CONSTANT_P when considering register equivalences. + +2001-11-20 David O'Brien <obrien@FreeBSD.org> + + * config.gcc: Add FreeBSD/PowerPC target. + (powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*, + powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*, + powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*, + powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*, + powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*, + powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*): Add + freebsd-spec.h to tm_file. + (rs6000-*-lynxos*): Add lynx.h to tm_file. + * config/freebsd.h: Tidy up. + (USING_CONFIG_FREEBSD): Define. + (FBSD_SWITCH_TAKES_ARG, FBSD_WORD_SWITCH_TAKES_ARG, + FBSD_CPP_PREDEFINES, FBSD_CPP_SPEC, FBSD_STARTFILE_SPEC, + FBSD_ENDFILE_SPEC, FBSD_LIB_SPEC): Remove (moved to freebsd-spec.h). + (TARGET_HAS_F_SETLKW): Define. + (ASM_OUTPUT_IDENT): Delete, the elfos.h definition is fine. + * config/freebsd-spec.h: New file. + * config/rs6000/freebsd.h: New file. + * config/rs6000/rs6000.h (TARGET_VERSION): Do not define. + * config/rs6000/rs6000.c: Test for USING_ELFOS_H rather than + USING_SVR4_H to know when to turn on ELF support. + * config/rs6000/sysv4.h (TARGET_VERSION, CPP_PREDEFINES): Don't undef, + define only if not already defined. + Add FreeBSD support. + * config/rs6000/aix.h (TARGET_VERSION): Define. + * config/rs6000/beos.h: Likewise. + * config/rs6000/darwin.h: Likewise. + * config/rs6000/mach.h: Likewise. + * config/rs6000/lynx.h (TARGET_VERSION): Likewise. + Don't include lynx.h directly. + +2001-11-20 Graham Stott <grahams@redhat.com> + + * unwind-dw2-fde.c (__deregister_frame_info_bases): + Fix lossage in last change return OB. + +Tue Nov 20 11:56:12 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/xm-vms.h (_POSIX_EXIT): Define. + Remove unneeded exit related macros. + +2001-11-20 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (rs6000_emit_eh_toc_restore): Remove ALIGN parm. + + * rs6000.c (rs6000_emit_move): Add TFmode case. + * sysv4.h (MASK_LONG_DOUBLE_128, TARGET_LONG_DOUBLE_128, + LONG_DOUBLE_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE, + LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Move from here... + * rs6000.h: ... to here. + * rs6000.md (movtf, extenddftf2, extendsftf2, trunctfdf2, + trunctfsf2, floatditf2, floatsitf2, fix_trunctfdi2, + fix_trunctfsi2, negtf2, abstf2, nabstf2, cmptf): New patterns. + +Tue Nov 20 06:41:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (get_mem_attrs): Fix typo. + +2001-11-20 Jakub Jelinek <jakub@redhat.com> + + * c-lang.c (finish_file): Backout 2001-11-16 + changes, instead set DECL_DEFER_OUTPUT for static inline functions + before calling c_expand_deferred_function. + +2001-11-20 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2-fde.c (__register_frame_info_bases, __register_frame): + Don't register empty .eh_frame sections. + (__deregister_frame_info_bases, __deregister_frame): Don't + unregister them either. + +2001-11-19 Geoffrey Keating <geoffk@redhat.com> + + * configure.in (HAVE_AS_GDWARF2_DEBUG_FLAG): Define. + (HAVE_AS_GSTABS_DEBUG_FLAG): Define. + * configure: Regenerate. + * config.in: Add dummy definitions of new flags. + * toplev.c (PREFERRED_DEBUGGING_TYPE): Move definition to... + * defaults.h (PREFERRED_DEBUGGING_TYPE): ... here. + * gcc.c (ASM_DEBUG_SPEC): New macro. + (asm_debug): New static variable. + (default_compilers): Add asm_debug when assembling from + user input. + (static_specs): Add asm_debug. + +2001-11-20 Loren J. Rittle <ljrittle@acm.org> + + * config.gcc (*-*-freebsd*): Remove configuration block. + +2001-11-19 Loren J. Rittle <ljrittle@acm.org> + + bootstrap/4422 + * configure.in: Setup ability to run ./stage[1234]/xgcc in + fixinc *as if* it were a proper lang subdirectory. + * configure: Rebuilt. + +2001-11-19 Loren J. Rittle <ljrittle@acm.org> + + * config/freebsd.h: Remove DEFAULT_VTABLE_THUNKS (again). + +2001-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * 1750a.md: Don't use hex format for a const_int. + +2001-11-19 Geoffrey Keating <geoffk@redhat.com> + + * expmed.c (extract_bit_field): Don't create invalid SUBREGs. + +2001-11-19 Zack Weinberg <zack@codesourcery.com> + + * mkconfig.sh: Undefine ENABLE_NLS if GENERATOR_FILE is + defined (prevents link errors when gettext isn't in the system + library). + +2001-11-19 DJ Delorie <dj@redhat.com> + + * read-rtl.c (ISDIGIT, ISSPACE): Make sure we have these. + (validate_const_int): New. + (read_rtx): Validate constant integers. + * config/i386/i386.md (pmulhrwv4hi3): Use decimal constants. + +2001-11-19 Jakub Jelinek <jakub@redhat.com> + + * doc/hostconfig.texi (DUMPFILE_FORMAT): Move into the table. + +Mon Nov 19 16:57:44 2001 Douglas B. Rupp <rupp@gnat.com> + + * toplev.c (DUMPFILE_FORMAT): Define default. + (open_dump_file): Use DUMPFILE_FORMAT in sprintf. + (close_dump_file, compile_file): Likewise. + * config/alpha/xm-vms.h (DUMPFILE_FORMAT): Define. + * doc/hostconfig.texi (DUMPFILE_FORMAT): Document + +2001-11-19 Jeff Law <law@redhat.com> + + * gcse.c (cprop_jump): Clear JUMP_LABEL field when we create + a nop-jump. + +2000-11-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (_cpp_backup_tokens): Revert previous check-in. + Don't fall off the base token run. + +2001-11-19 Jason Wilkins <fenix@io.com> + + * Makefile.in: Use INSTALL_SCRIPT not INSTALL_PROGRAM. + +Mon Nov 19 15:13:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.def (VIEW_CONVERT_EXPR): New tree code. + * tree.h (handled_component_p): New declaration. + * alias.c (handled_component_p): Move function from here ... + * expr.c (handled_component_p): ... to here and non longer static. + (is_zeros_p, case VIEW_CONVERT_EXPR): New case. + (store_field): Remove unneeded MEM_COPY_ATTRIBUTES call. + (get_inner_reference): Handle VIEW_CONVERT_EXPR. + (expand_expr, case VAR_DECL): Clean up handling of re-layout case. + (expand_expr, case VIEW_CONVERT_EXPR): New case. + (expand_expr, cse ADDR_EXPR): No need to copy if already + BIGGEST_ALIGNMENT. + * fold-const.c (fold, case VIEW_CONVERT_EXPR): New case. + * varasm.c (initializer_constant_value_p, case VIEW_CONVERT_EXPR): New. + (output_constant): Handle VIEW_CONVERT_EXPR. + * dwarf2out.c (loc-descriptor_from_tree, add_bound_info): + Add new case for VIEW_CONVERT_EXPR. + +2001-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * a29k/unix.h (ASM_FILE_START): Const-ify. + * i386/beos-elf.h (INCLUDE_DEFAULTS): Remove semi-colon. + * i386/isc.h (ASM_FILE_START): Const-ify. + * i386/sun386.h (ASM_FILE_START): Likewise. + * m32r.md: Likewise. + * m68k/auxas.h (ADDITIONAL_REGISTER_NAMES): Add missing brackets. + * m68k/auxgas.h ADDITIONAL_REGISTER_NAMES): Likewise. + * m68k/tower.h (REGISTER_NAMES): Remove semi-colon. + * mn10200.md: Initialize variable. + +Mon Nov 19 18:06:21 CET 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (try_replace_reg): Copy RTX before creating note. + + * df.h (df_ref_flags): New uenum. + (DF_REF_FLAGS): New macro. + (struct ref): Add field "flags". + * df.c (HANDLE_SUBREG): Remove. + (df_ref_create): Likewise; set flags field of ref. + (df_def_record_1): Strip down read_write subreg; remove + commented out code; set READ_WRITE flag. + (read_modify_subreg_p): New static function. + (df_uses_record): Cleanup SET handling; set READ_WRITE flag; + new argument "flags". + (df_insn_refs_record): Update call of df_uses_record. + (df_insn_modify): Avoid #if 0 around comment. + (df_dump): Dump the read/write flag. + + * predict.c (propagate_freq): Make cyclic_probability and frequency + volatile + + * i386.c (ix86_cc_mode): Accept USE. + + * cfgrtl.c (purge_dead_edges): Cleanup EDGE_ABNORMAL flag if computed + jump is turned into simplejump. + +2001-11-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/fragments.texi, doc/trouble.texi: Remove links to old + installation chapter. + * doc/gcc.texi: Don't claim that this manual documents + installation. Mark Installation menu entry as being out of date. + +Mon Nov 19 07:21:35 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/xm-vms.h: Don't define macros that autoconf handles. + (SUCCESS_EXIT_CODE, FATAL_EXIT_CODE): Define for posix compatibility. + * gcc.c (exit): Remove definition for VMS; moved to xm-vms.h. + +2001-11-19 Jason Merrill <jason@redhat.com> + + * cppmacro.c (_cpp_backup_tokens): Pop cur_run before decrementing + cur_token, not after. + + * config/clipper/clix.h, config/h8300/elf.h, config/mips/linux.h: + Lose ASM_OUTPUT_CONSTRUCTOR. + * system.h: Poison it and INT_ASM_OP. + * c-lang.c (finish_file): Don't check for it. + * libgcc2.c (L_ctors): Check TARGET_ASM_CONSTRUCTOR instead. + +2001-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mmix.c (mmix_cc1_ignored_option): Const-ify. + (mmix_init_machine_status): Make static to match declaration. + (mmix_unique_section): Const-ify. + (mmix_output_quoted_string): Avoid automatic aggregate + initialization. + (mmix_output_register_setting): Likewise. + (mmix_output_shiftvalue_op_from_str): Likewise. + + * mmix.h (mmix_cc1_ignored_option): Const-ify. + (ASM_OUTPUT_BYTE): Fix format specifier warning. + (ASM_GENERATE_INTERNAL_LABEL): Likewise. + +2001-11-18 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR c/4448 + * gthr-win32.h: (__gthread_objc_thread_exit): Fix variable + name __objc_thread_exit_status so that it matches the + variable defined in objc/thr.h. + +2001-11-18 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR bootstrap/4020 + * mklibgcc.in: Add missing semi-colons. + * Makefile.in: Same. + +Sun Nov 18 16:47:00 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case VAR_DECL): Update alignment of DECL_RTL + after re-laying out decl in incomplete case. + (expand_expr, case ADDR_EXPR): Fix typo in copy case. + +2001-11-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Move some sections out to ... + * doc/collect2.texi, doc/configfiles.texi, doc/headerdirs.texi: + ... here. New files. Make into chapters rather than sections. + * doc/gcc.texi: Include the new files and add menu entries for + them. + * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies. + +Sun Nov 18 14:13:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.h (TYPE_ALIGN_OK): New flag. + * emit-rtl.c (set_mem_attributes): Handle it. + * expr.c (emit_single_push_insn): Only set to alias set 0 if + doing sibcall optimization. + (expand_expr, case COMPONENT_REF): Call set_mem_attributes on case + when make temporary. + (expand_expr, case CONVERT_EXPR): Simplify convert-to-union case. + (expand_expr, case ADDR_EXPR): Abort if TYPE_ALIGN_OK and need copy. + + * sdbout.c (sdbout_symbol): Avoid warning due to &DECL_RTL. + +2001-11-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (c_decode_option): Give deprecation warning for + -traditional. + * doc/invoke.texi (-traditional): Note that this option is + deprecated. + +Sun Nov 18 07:40:07 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_start_function, VMS): Cast shift + arg to HOST_WIDE_INT, not long. + + * config/alpha/vms.h (DIR_SEPARATOR, PREFIX). Don't define. + (HAS_INIT_SECTION): Define. + (REAL_ARITHMETIC): Don't undefine. + +2001-11-18 Egor Duda <deo@logos-m.ru> + + * config/i386/cygwin.h: Strip leading '*' from name, if any. + +2001-11-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (c-parse.o, c-common.o): Update dependencies. + * c-common.c: Include diagnostic.h. + (c_common_finish): New. + * c-common.h (c_common_finish): New. + * c-lang.c (LANG_HOOKS_FINISH): Override. + * c-parse.in: Don't include diagnostic.h. + (finish_parse): Remove. + * langhooks.h: Update comments. + * toplev.c (lang_dependent_init): New prototype. + (finalize): New. + (compile_file): Split cleanup code out to finalize. + (lang_dependent_init): Stop if lang_hooks.init fails. + (toplev_main): Update. + * tree.h (finish_parse): Remove. +objc: + * objc-act.c (LANG_HOOKS_FINISH): Override. + +Sat Nov 17 23:30:44 2001 Douglas B. Rupp <rupp@gnat.com> + + * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms_tramp.asm. + * config/alpha/vms_tramp.asm: New file. + * config/alpha/vms-tramp.asm: Removed. + +2001-11-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (struct disabled_builtin, disabled_builtins, + disable_builtin_function, builtin_function_disabled_p): New. + (builtin_function_2): Check for disabled built-in functions. + * c-common.h (disable_builtin_function): Declare. + * c-decl.c (c_decode_option): Handle -fno-builtin-FUNCTION. + * doc/invoke.texi: Document -fno-builtin-FUNCTION. + * doc/extend.texi: Mention -fno-builtin-FUNCTION. + +2001-11-17 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR target/4606 + * config.gcc: Remove reference to va-clipper.h. + +2001-11-17 Stan Shebs <shebs@apple.com> + + * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix the + AltiVec-related bitfields. + +Sat Nov 17 12:06:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * except.c (enum eh_region_type): Add ERT_UNKNOWN. + (mark_eh_region, case ERT_UKNONW): New case. + +2001-11-17 Christopher Faylor <cgf@redhat.com> + Corinna Vinschen <vinschen@redhat.com> + + * config/i386/cygwin.h: Search target specific include directory for + w32api stuff, if appropriate. + +Sat Nov 17 08:20:44 2001 Douglas Rupp <rupp@gnat.com> + + * config/alpha/vms.h (REG_ALLOC_ORDER): Redefine. + +2001-11-16 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md: Change all ldvx to lvx. + +2001-11-16 Alexandre Oliva <aoliva@redhat.com> + + * gensupport.c (process_rtx): Don't assume filename is the first + argument of any rtl. + +2001-11-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax-protos.h (reg_was_0_p): New prototype. + * vax.md (movsi, movhi, movqi): Use reg_was_0_p. + * vax.c (follows_p, reg_was_0_p): New functions. + +2001-11-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.md (casesi): Swap arguments in "(plus:SI (pc) (mult))". Reformat. + (casesi1): Likewise. Define new pattern which arises by simplification + when operand 1 is a constant int. Correct pattern which arises by + simplification when operand 1 is zero. + +2001-11-16 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (arm*-*-rtems*, arm-*-coff*, armel-*-coff*, + arm-*-vxworks*, arm-*-riscix1.[01]*, arm-*-riscix*, + arm-semi-aout, armel-semi-aout, arm-semi-aof, armel-semi-aof, + arm*-*-netbsd*, arm*-*-linux*, arm*-*-uclinux*, arm*-*-aout, + arm*-*-ecos-elf, arm*-*-elf, arm*-*-conix*, arm*-*-oabi, + arm-*-pe*, strongarm-*-elf*, strongarm-*-coff*, strongarm-*-pe, + xscale-*-elf, xscale-*-coff: Include various CPU headers via tm_file. + * config/arm/aof.h: Don't include arm.h. + * config/arm/aout.h: Likewise. + * config/arm/coff.h: Don't include semi.h and aout.h. + * config/arm/elf.h: Don't include aout.h. + * config/arm/netbsd.h: Don't include netbsd.h and aout.h. + (TARGET_VERSION): Undef before defining. + (ARM_OS_NAME): Likewise + (TARGET_DEFAULT): Likewise + (TARGET_MEM_FUNCTIONS): Do not need to undefine now. + * config/arm/pe.h: Don't include arm/coff.h. + * config/arm/riscix.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Use + SUBTARGET_CPP_SPEC rather than overiding the arm.h CPP_SPEC definition. + * config/arm/riscix1-1.h: Likewise. + * config/arm/rix-gas.h: Don't include riscix.h. + (DBX_CONTIN_LENGTH): Undef before defining. + * config/arm/semi.h: Don't include aout.h. + * config/arm/semiaof.h: Don't include aof.h. + * config/arm/strongarm-coff.h: Don't include coff.h. + * config/arm/strongarm-pe.h: Don't include strongarm-coff.h and pe.h. + * config/arm/vxarm.h: Don't include arm/coff.h. + * config/arm/xscale-coff.h: Don't include coff.h. + +Fri Nov 16 15:22:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/pa/pa.c: Reflect changes in calling sequences of alter_reg and + emit_cmp_insn. + +2001-11-16 Andreas Jaeger <aj@suse.de> + + * cfglayout.c (fixup_fallthru_exit_predecesor): Make void, rename + to .... + (fixup_fallthru_exit_predecessor): ... this. + Change callers and prototype. + +2001-11-16 Bernd Schmidt <bernds@redhat.com> + + * config/i386/i386.c (ix86_expand_sse_comi): Generate setcc by + hand; don't use gen_setcc_2. + (ix86_expand_builtin): Fix pshufw. + * config/i386/i386.md (maskncmpv4sf3, vmmmaskncmpv4sf3): Special + case UNORDERED to emit the right assembler instruction. + (mmx_pshufw): Lose operand 2. + (cvtsi2ss): Fix representation. + From Graham Stott: + (mmx_clrdi, sse_clrti, stmxcsr, ldmxcsr): Set memory attribute. + +2001-11-16 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/include/linux-and-gnu.texi: Remove. + * doc/gnu.texi: New. + * doc/gcc.texi: Include gnu.texi instead of linux-and-gnu.texi. + * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies. + +2001-11-16 Kazu Hirata <kazu@hxi.com> + + * config/a29k/a29k.c: Fix comment formatting. + * config/a29k/a29k.h: Likewise. + * config/arc/arc.c: Likewise. + * config/arc/arc.h: Likewise. + * config/vax/vax.c: Likewise. + * config/vax/vax.h: Likewise. + * config/we32k/we32k.c: Likewise. + * config/we32k/we32k.h: Likewise. + +2001-11-16 Jeff Law <law@redhat.com> + + * unroll.c (copy_loop_body): Initialize JUMP_LABEL field after + creating a new jump insn. + +Fri Nov 13 09:06:25 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case ADDR_EXPR): Refine test for when to + copy misaligned data. + * varasm.c (assemble_variable): Set alignment into MEM when changed. + +2001-11-16 Graham Stott <grahams@redhat.com> + + * optabs.c (prepare_cmp_insn): Correct lossage in last change fix + OPALIGN type. + +2001-11-16 Olivier Hainque <hainque@act-europe.fr> + + * except.c: Support for catching a list of types with a single handler + (struct eh_region): Change type and filter to lists for catch regions. + (mark_eh_region): Mark the filter list for GC also. + (expand_start_catch): Always build a list if argument not NULL and + register each type of the list through add_type_for_runtime. + (duplicate_eh_region_1): Change type into type_list for catch regions. + (assign_filter_values): Assign a filter to each type associated with a + catch region. Assign filter for NULL types in a unique entry in the + filter list. + (build_post_landing_pads): Emit compare and jump for each filter of + the list associated with a catch region. + (reachable_next_level): When the type thrown is known, stop the search + as soon as one type within a catch list matches. Also, a handler is + potentially reachable only if at least one of the types it catches + has not been previously caught. + (collect_one_action_chain): Retrieve the filter for a NULL type list + from the first filter list entry. For non NULL type lists, add an + action record for every filter assigned. + * except.h: Reflect changes in comment before expand_start_catch. + +Fri Nov 16 07:12:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case ADDR_EXPR): Only copy for misaligned if + BLKmode. + +Fri Nov 16 06:37:05 2001 Andreas Tobler <a.tobler@schweiz.ch> + + * config/sparc/sparc.c: Remove ALIGN arg from emit_cmp_insn. + +2001-11-16 Jakub Jelinek <jakub@redhat.com> + + * c-lang.c (finish_file): Don't emit static inline functions if + they weren't referenced. + +2001-11-15 Stan Shebs <shebs@apple.com> + + * expr.c (expand_expr, case COMPONENT_REF): Fix variable ref. + +2001-11-16 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * config/s390/s390.md: Remove ALIGN arg from emit_cmp_and_jump_insns + call. + * config/i386/i386.md: Likewise. + +Thu Nov 15 21:40:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * timevar.c (rtl.h): Include so get fancy abort. + +2001-11-15 Dale Johannesen <dalej@apple.com> + + * config/darwin.h (SELECT_RTX_SECTION): Force address + initializers into 'const' section + * config/rs6000/rs6000.c (rs6000_emit_cmove): Fix mode of + if_then_else to match result, not operands + +Thu Nov 15 17:57:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (nonoverlapping_memrefs): Use REGNO_PTR_FRAME_P. + * emit-rtl.c (change_address): Fix typo in default alignment. + (adjust_address_1): Use mode of NEW, not MODE, when setting size. + * expr.c (highest_pow2_factor, case WITH_RECORD_EXPR): New case. + * rtl.h (REGNO_PTR_FRAME_P): New macro. + + * expr.c (store_field): Pass tree instead of max size; callers changed. + Change handling of alignment. + Only copy to_rtx if is TARGET. + (expand_expr_unaligned): Delete; callers now use expand_expr. + (emit_cmp_insn): No longer take ALIGN parm; all callers changed. + (expand_assignment): Change handling of alignment. + Only copy to_rtx if was original. + (get_inner_reference): No longer return alginment; callers changed. + (expand_expr, case COMPONENT_REF): Change handling of alignment. + (expand_expr, case ADDR_EXPR): Make copy if not sufficiently aligned. + (compare_from_rtx): Delete ALIGN parm; all callers changed. + (do_compare_rtx_and_jump): Likewise. + * expr.h: Reflect above changes. + * tree.h: Likewise. + * dwarf2out.c (loc_descriptor_from_tree): Remove ALIGN parameter + to get_inner_reference. + * builtins.c: Remove ALIGN parm in call to emit_cmp_and_jump_insns. + * doloop.c, except.c, explow.c, loop.c, stmt.c, unroll.c: Likewise. + * optabs.c: Likewise. + (prepare_cmp_insn): Now static; remove ALIGN parm. Callers changed. + (emit_cmp_and_jump_insns): Remove ALIGN parm; all callers changed. + * expmed.c: Remove ALIGN arg from calls to compare_from_rtx, + compare_rtx_and_jump, and emit_cmp_jump_insns. + * fold-const.c: Remove PALIGN in calls to get_inner_reference. + * function.c (assign_stack_temp_for_type): No longer static. + * optabs.h (emit_cmp_insn): Remove ALIGN parm. + (prepare_cmp_insn): Delete declaration. + * rtl.h (assign_stack_temp_for_type): Add declaration. + * config/alpha/alpha.c, config/d30v/d30v.c: Reflect above changes. + * config/clipper/clipper.c, config/h8300/h8300.c: Likewise. + * config/i386/i386.c,config/mips/mips.c: Likewise. + * config/i860/i860.c, config/ia64/ia64.c: Likewise. + * config/rs6000/rs6000.c, config/sh/sh.c: Likewise. + +2001-11-15 Stan Shebs <shebs@apple.com> + + * config/rs6000/rs6000.h: Fix a comment typo. + (RTX_COSTS): Sort processor versions better. + +2001-11-15 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Fix insn length of bit insns. + +2001-11-15 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Don't abort because of orphan + DIEs if there were errors in the source. + + * config/alpha/alpha-interix.h, config/alpha/elf.h, + config/arm/coff.h, config/i386/djgpp.h, config/i386/i386.c, + config/i386/i386.h, config/i386/sco5.h, config/i960/i960-coff.h, + config/m68k/coff.h, config/m88k/m88k.h, config/m88k/m88k.c, + config/pa/pa64-hpux.h, config/sh/sh.h, config/sparc/litecoff.h, + config/elfos.h, config/lynx.h, config/netware.h, + config/m68hc11/m68hc11.h, config/mcore/mcore-pe.h, + config/s390/linux64.h: Remove definitions of INT_ASM_OP, change + uses to use ASM_LONG. + +2001-11-15 Alan Matsuoka <alanm@redhat.com> + + * gensupport.c process_include : Change call to alloca to + xmalloc. + +2001-11-15 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md: Use spaces instead of tabs in output + templates. + +Thu Nov 15 08:36:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * final.c (alter_subreg): If simplify_subreg can't do anything, + handle REG ourselves and abort for others. + +2001-11-15 Richard Hodson <hodsonr@dionecorp.com> + + * config/h8300/h8300.c (dosize): Avoid corrupting R3 in interrupt + routines. + +2001-11-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * fix-header.c (read_scan_file): Update. + +Thu Nov 15 08:36:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * toplev.c (toplev_main): Don't start timing until after + command-line options are parsed. + +2001-11-15 Andreas Schwab <schwab@suse.de> + + * config.gcc: Set STMP_FIXPROTO and FIXPROTO_DEFINES in target + makefile frag, not host makefile frag. + (m88k-dg-dguxbcs*): Add m88k/t-dgux to tmake_file. + (hppa*): Add pa/t-bsd to tmake_file where no special xmake_file is + used. + (hppa*-*-openbsd*): Don't use nonexitent pa/t-openbsd. + * config/m88k/t-dguxbcs: Remove definitions already in t-dgux. + * config/m88k/t-dgux (STMP_FIXPROTO): Define. + * config/i386/t-cygwin (STMP_FIXPROTO): Define. + * config/i386/t-dgux (STMP_FIXPROTO): Define. + * config/x-interix: Don't define STMP_FIXPROTO and + FIXPROTO_DEFINES. + * config/t-interix: New file, define STMP_FIXPROTO. + * config/i386/x-beos (STMP_FIXPROTO): Don't define here. + * config/i386/t-beos (STMP_FIXPROTO): Define here instead. + * config/t-svr4 (FIXPROTO_DEFINES): Define. + * config/arm/t-riscix (FIXPROTO_DEFINES): Define. + * config/i386/t-sco5 (FIXPROTO_DEFINES): Define. + * config/i386/t-sco5gas (FIXPROTO_DEFINES): Define. + * config/m68k/t-hp3200: Renamed from x-hp3200. + * config/i370/t-oe: Renamed from x-oe. + * config/mips/t-iris: Renamed from x-iris. + * config/pa/t-bsd: Renamed from x-pa. + * config/pa/t-pa-hpux: Renamed from x-pa-hpux. + * config/x-linux, config/i386/x-cygwin, config/i386/x-dgux, + config/m88k/x-dgux, config/x-svr4, config/arm/x-riscix, + config/i386/x-sco5, config/m68k/x-hp320g, config/mips/x-iris6, + config/rs6000/x-cygwin: Remove files. + + * configure.in: Check for target objdump and use that in eh_frame + optimization test. + * configure: Regenerated. + +2001-11-15 Jakub Jelinek <jakub@redhat.com> + + * jump.c (squeeze_notes): Return true if no real insns were found. + * rtl.h (squeeze_notes): Adjust prototype. + * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): If + squeeze_notes finds no real instructions, abort. + (merge_blocks_move_successor_nojumps): Likewise. + * loop.c (find_and_verify_loops): Likewise. + * stmt.c (expand_end_case): Likewise. + * ifcvt.c (dead_or_predicable): Return TRUE if squeeze_notes doesn't + find any real instructions. + + * config/ia64/ia64.c (ia64_adjust_cost): Handle SUBREGs. + + * cfgcleanup.c (try_optimize_cfg): If try_simplify_condjump optimized + conditional jump, request updating life into for the block + containing it. Fix a typo which prevented life info update. + Clear blocks bitmap before using it. + +2001-11-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c: Include c-lex.h. + (c_common_lang_init): Change prototype. Call init_c_lex and + init_pragma from here. + * c-common.h (c_common_lang_init): Change prototype. + * c-decl.c (init_decl_processing): Rename. Call c_parse_init. + * c-lang.c (c_init): Change prototype. Update. + (c_init_options): Update. + * c-lex.c (cpp_filename): Remove. + (init_c_lex): Update. Read the main file, and get the original + file name. + (yyparse): Finish the command line options. + * c-parse.in (c_parse_init): Call init_reswords here. + (init_parse): Remove. + * c-tree.h (c_init_decl_processing): New. + * cpphash.c (_cpp_init_hashtable): After initializing the hash + table, populate it. + * cppinit.c (read_original_filename, cpp_finish_options): New. + (cpp_create_reader): New prototype. Defer hash table initialization. + (cpp_start_read): Rename cpp_read_main_file. Initialize the + hash table. Get the original filename. + * cpplib.h (cpp_create_reader): Update. + (cpp_start_read): Remove. + (cpp_read_main_file, cpp_finish_options): New. + * cppmain.c (main, do_preprocessing): Update. + * langhooks.h (struct langhooks): Update init prototype. + * toplev.c (general_init, parse_options_and_default_flags, + process_options, lang_indpendent_init, lang_dependent_init, + init_asm_output): New; perform the bulk of initialization. + (compile_file): Move most of initialization to above functions. + (debug_hooks): Initialize statically. + (set_Wunused): Relocate. + (toplev_main): Move most of initialization to other init functions. + Have a clear logic flow. + * tree.h (init_parse, init_decl_processing): Remove. +objc: + * objc-act.c (objc_init): Update prototype, combine with old + init_parse. + (objc_init_options): Update. + + +2001-11-15 Andreas Jaeger <aj@suse.de> + + * cfgrtl.c (purge_all_dead_edges): Use int as argument for + portability. + * basic-block.h: Adjust prototype. + +2001-11-15 Kazu Hirata <kazu@hxi.com> + + * config/rs6000/aix31.h: Fix comment formatting. + * config/rs6000/beos.h: Likewise. + * config/rs6000/darwin.h: Likewise. + * config/rs6000/eabi.asm: Likewise. + * config/rs6000/linux.h: Likewise. + * config/rs6000/linux64.h: Likewise. + * config/rs6000/lynx.h: Likewise. + * config/rs6000/netbsd.h: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/rs6000/rs6000.h: Likewise. + * config/rs6000/rs6000.md: Likewise. + * config/rs6000/sol2.h: Likewise. + * config/rs6000/tramp.asm: Likewise. + * config/rs6000/xcoff.h: Likewise. + * config/rs6000/xm-beos.h: Likewise. + +2001-11-14 Alan Matsuoka <alanm@redhat.com> + + * rtl.def (INCLUDE) : Define. + * gensupport.c (init_include_reader, process_include, + save_string) : New functions to implement an include facility + in .md files. + * gensupport.h : Add prototype for init_md_reader_args. + * genattr.c genattrtab.c gencodes.c genconfig.c genemit.c + genextract.c genflags.c genopinit.c genoutput.c + genpeep.c genrecog.c: Change call to init_md_reader to + init_md_reader_args. + * md.texi: Document (include "path") and -I directives for RTL + generation tools. + +2001-11-14 DJ Delorie <dj@redhat.com> + + * integrate.c (get_hard_reg_initial_reg): New. + * integrate.h (get_hard_reg_initial_reg): Prototype. + * local-alloc.c (block_alloc): Don't tie pseudos that + represent call-saved hard regs' initial values. + +2001-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * m68k/linux.h: Include <linux.h> not "linux.h" to avoid infinite + recursion. + +2001-11-14 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold): Optimize strlen comparisons against zero. + +2001-11-14 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (sparc64-wrs-vxworks*, sparc-*-netbsd*, sparc-*-openbsd*, + sparc-*-chorusos*, sparc-*-elf*, sparc-*-linux*aout*, + sparc-*-linux*libc1*, sparc-*-linux*, sparc-*-lynxos*, sparc-*-rtems*, + sparc-*-rtemself*, sparc-hal-solaris2*, sparc-*-solaris2*, + sparc-*-sunos4.0*, sparc-*-sunos4*, sparc-*-sunos3*, sparc-*-sysv4*, + sparc-*-vxsim*, sparclite-*-aout*, sparclite-*-elf*, sparc86x-*-aout*, + sparc86x-*-elf*, sparc64-*-aout*, sparc64-*-elf*, sparc64-*-linux*): + Include various CPU headers via tm_file. a.out based platforms now + properly include sparc/aout.h. sol2.h usage now implies including + elfos.h, svr4.h, and sparc/sysv4.h. + * config/netbsd.h (TARGET_MEM_FUNCTIONS): Undef before defining it. + Also define to '1'. + * sparc/sparc.h (CPP_PREDEFINES, TARGET_VERSION, WORD_SWITCH_TAKES_ARG, + SELECT_SECTION, ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, DBX_REGISTER_NUMBER, ASM_OUTPUT_SOURCE_LINE): + Remove. They are a.out specific and belong in sparc/aout.h. + * sparc/aout.h (TARGET_VERSION, WORD_SWITCH_TAKES_ARG, SELECT_SECTION, + ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + DBX_REGISTER_NUMBER, ASM_OUTPUT_SOURCE_LINE): Define. Moved here from + sparc/sparc.h. + * sparc/litecoff.h (WORD_SWITCH_TAKES_ARG, ASM_DECLARE_FUNCTION_NAME, + TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, DBX_REGISTER_NUMBER): Define. + Moved here from sparc/sparc.h. + * config/sparc/linux-aout.h (DEFAULT_PCC_STRUCT_RETURN): Undef before + defining. + * config/sparc/linux64.h (UNALIGNED_DOUBLE_INT_ASM_OP): Undef before + * config/sparc/lynx.h: Don't include lynx.h. + (SELECT_SECTION): Do not undef. + * config/sparc/openbsd.h: Don't include sparc/sparc.h. + * config/sparc/sol2-sld-64.h: Include sparc/sparc.h, elfos.h, svr4.h, + and sparc/sysv4.h. + * config/sparc/sol2.h: Don't include sparc/sparc.h and sparc/sysv4.h. + * config/sparc/sp64-aout.h (CPP_PREDEFINES): Don't define. Get from + sparc/aout.h now. + * config/sparc/sp64-elf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO): + Don't undef, there is no need. + * config/sparc/splet.h (CPP_PREDEFINES): Define. + * config/sparc/sun4o3.h (CPP_PREDEFINES): Likewise. + * config/sparc/sunos4.h (CPP_PREDEFINES): Likewise. + Don't include sparc/sparc.h. + * config/sparc/sysv4.h (WORD_SWITCH_TAKES_ARG, ASM_OUTPUT_SOURCE_LINE, + SELECT_SECTION, ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP): Don't undef, there is no need now. Don't include + elfos.h and svr4.h. + (TARGET_VERSION): Define. + * config/sparc/vxsim.h (TARGET_VERSION): Define. + +Wed Nov 14 19:46:08 CET 2001 Jan Hubicka <jh@suse.cz> + + * cfglayout.c (fixup_fallthru_exit_predecesor): New static function. + (cfg_layout_finalize): Use it. + * bb-reorder.c (HAVE_epilogue): Remove. + (make_reorder_chain): Do not care special placement of + last basic block. + + * predict.c (expected_value_to_br_prob): Delete the note + once transformed. + + * c-decl.c (c_expand_body): Fix TV_EXPAND nesting problem; + measure integration time separately. + +Wed Nov 14 12:30:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (struct temp_slot): ALIGN now unsigned. + +2001-11-14 Kazu Hirata <kazu@hxi.com> + + * config/dsp16xx/dsp16xx.c: Fix comment formatting. + * config/dsp16xx/dsp16xx.h: Likewise. + * config/dsp16xx/dsp16xx.md: Likewise. + +2001-11-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Reorganize the code + that deals with 7-bit shifts in HImode. + +Wed Nov 14 14:17:05 CET 2001 Jan Hubicka <jh@suse.cz> + + * dbxout.c (dbxout_symbol_location): Update call of alter_subreg. + * final.c (walk_alter_subreg): Take pointer; update call of alter_subreg. + (final_scan_insn): Update call of alter_subreg. + (cleanup_subreg_operands): Likewise. + (alter_subreg): Rewrite using simplify_subreg. + (output_address, output_operand): Update call of alter_subreg. + * output.h (alter_subreg): Update prototype. + * sdbout.c (sdbout_symbol): Update call of alter_subreg. + * simplify-rtx.c (simplify_subreg): Copy ORIGINAL_REGNO. + * Makefile.in (final.o): Add dependency on expr.h + +Wed Nov 14 06:37:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-lang.c (finish_file): Make I unsigned to eliminate warning. + +2001-11-13 Jeff Sturm <jsturm@one-point.com> + + * doc/install.texi (sparc-*-linux*): Mention requirements for + binutils and glibc. + +2001-11-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (POD2MAN): Don't include --section=1. + (manext): Rename to man1ext. All users changed. + (man7ext): New. + (man7dir): New. + (generated-manpages): Also depend on $(docdir)/gfdl.7, + $(docdir)/gpl.7, and $(docdir)/fsf-funding.7. + ($(docdir)/gcov.1, $(docdir)/cpp.1, $(docdir)/gcc.1): Include + --section=1 in calls to $(POD2MAN). + ($(docdir)/gfdl.7, $(docdir)/gpl.7, $(docdir)/fsf-funding.7): New. + (maintainer-clean, install, uninstall): Handle the new man pages. + ($(docdir)/cpp.info, cpp.dvi): Depend on fdl.texi. + (installdirs): Create man7dir. + * doc/cpp.texi: Include GFDL in this manual. In the man page, + refer to gfdl(7) for the GFDL. Apply Front Cover and Back Cover + texts to man page. Include gpl(7), gfdl(7) and fsf-funding(7) in + the SEE ALSO man page section. + * doc/gcov.texi: Apply GFDL to man page. Include gpl(7), gfdl(7) + and fsf-funding(7) in the SEE ALSO man page section. + * doc/invoke.texi: Apply GFDL to man page. Include gpl(7), + gfdl(7) and fsf-funding(7) in the SEE ALSO man page section. + * doc/include/fdl.texi, doc/include/funding.texi, + doc/include/gpl.texi: Adjust for conversion by texi2pod.pl. + * doc/.cvsignore: Add gfdl.7, gpl.7 and fsf-funding.7. + +2001-11-13 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (dw2_force_const_mem): Set PUBLIC or STATIC + as appropriate for the artificial decl. + +2001-11-13 Richard Henderson <rth@redhat.com> + + * loop.c (combine_movables): Turn off combination until + move_movables validation bugs are fixed. + +2001-11-13 DJ Delorie <dj@redhat.com> + + * config.gcc (powerpc|rs6000): Set default cpp options based + on --with-cpu settings. + * config/rs6000/softfloat.h: New. + +2001-11-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (shift_alg_si): Use special code for + 25-bit shifts on H8S. + (get_shift_alg): Generate special code for 25-bit shifts on + H8S. + +2001-11-13 Jakub Jelinek <jakub@redhat.com> + + * emit-rtl.c (adjust_address_1): Add ADJUST argument. + (adjust_automodify_address_1): New. + * expr.h (adjust_address, adjust_address_nv): Adjust. + (adjust_automodify_address, adjust_automodify_address_nv): Define. + (adjust_address_1): Update prototype. + (adjust_automodify_address_1): Add prototype. + * expr.c (move_by_pieces_1): Use adjust_automodify_address. + (store_by_pieces_2): Likewise. + +Tue Nov 13 05:45:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (explow.o): Now depends on ggc.h. + * explow.c (ggc.h): Include. + (set_stack_check_libfunc): Mark stack_check_libfunc as ggc root. + + * Makefile.in (expr.o): Depends on insn-attr.h. + * expr.c (insn-attr.h): New include. + (force_operand): If INSN_SCHEDULING, deal with paradoxical SUBREG + of MEM. + (highest_pow2_factor, case INTEGER_CST): Handle negative values. + (expand_expr): Remove unneeded mark_temp_addr_taken calls and + clean up related usage in ADDR_EXPR. + (expand_expr_unaligned): Likewise. + + * emit-rtl.c (change_address): Fix typo in alias setting. + +2001-11-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (cfgcleanup.o): Depend on insn-config.h + +2001-11-12 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR bootstrap/3451 + * c-pragma.c: Rename macros BAD, BAD2, BAD_ACTION to + GCC_BAD, GCC_BAD2, GCC_BAD_ACTION. + +2001-11-12 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (sparc-tti-*, sparc64-wrs-vxworks*, sparc-wrs-vxworks*, + sparclite-wrs-vxworks*, sparc-*-aout*, sparc-*-netbsd*, + sparc-*-chorusos*, sparc-*-linux*aout*, sparc-*-linux*libc1*, + sparc-*-linux*, sparc-*-lynxos*, sparc-*-rtemsaout*, sparc-*-rtems*, + sparc-*-rtemself*, sparc-*-solaris2*, sparc-*-sunos3*, sparc-*-sysv4*, + sparc-*-vxsim*, sparclet-*-aout*, sparclite-*-coff*, sparclite-*-aout*, + sparc86x-*-aout*, sparc86x-*-elf*, sparc64-*-aout*, sparc64-*-elf*, + sparc64-*-linux*): Include various CPU headers via tm_file. + * config/svr3.h (ASM_OUTPUT_IDENT): Undef before defining it. + (SELECT_SECTION): Likewise. + (SELECT_RTX_SECTION): Likewise. + * config/sparc/sparc_bi.h: New file. + * config/sparc/aout.h: Don't include sparc/sparc.h and aoutos.h. + * config/sparc/linux-aout.h: Likewise. + * config/sparc/linux.h: Don't include sparc/sysv4.h. + * config/sparc/linux64.h: Likewise. + (SPARC_BI_ARCH): Don't define. sparc_bi.h will do it instead. + * config/sparc/lite.h: Don't include sparc/sparc.h and gofast.h. + * config/sparc/litecoff.h: Don't include sparc/lite.h, svr3.h, + and dbxcoff.h + (ASM_OUTPUT_IDENT): Do not #undef. + (SELECT_SECTION): Likewise. + (SELECT_RTX_SECTION): Likewise. + * config/sparc/liteelf.h: Don't include gofast.h. + * config/sparc/lynx-ng.h: Don't include sparc/sparc.h and lynx-ng.h. + * config/sparc/lynx.h: Don't include sparc/sparc.h. + * config/sparc/pbd.h: Likewise. + * config/sparc/netbsd.h: Don't include sparc/sparc.h and netbsd.h. + * config/sparc/rtems.h: Don't include sparc/aout.h and rtems.h. + * config/sparc/rtemself.h: Don't include rtems.h. + * config/sparc/sol2-64.h: Don't include sparc/sol2-sld-64.h. + * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Don't define, include + sparc_bi.h instead. + * config/sparc/sol2-sld.h: Don't include sparc/sol2.h. + * config/sparc/sol2.h: Include sparc/sparc.h directly. + * config/sparc/sp64-aout.h: Don't include sparc/sparc.h and aoutos.h. + * config/sparc/sp64-elf.h: Don't include sparc/sol2.h. + * config/sparc/sp86x-aout.h: Don't include sparc/sparc.h and gofast.h. + * config/sparc/sp86x-elf.h: Don't include gofast.h. + * config/sparc/splet.h: Don't include sparc/aout.h. + * config/sparc/sun4o3.h: Don't include sparc/sparc.h. + * config/sparc/sysv4.h: Don't include sparc/sparc.h directly. + * config/sparc/vxsim.h: Don't include sparc/sysv4.h. + * config/sparc/vxsparc.h: Don't include sparc/aout.h and gofast.h. + * config/sparc/vxsparc64.h: Don't include gofast.h. + (SPARC_BI_ARCH): Don't define. sparc_bi.h will do it instead. + +2001-11-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/standards.texi: Mention C99 TC1. + +2001-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips-protos.h (mips_output_conditional_branch): Const-ify. + * mips.c (mips_output_conditional_branch): Likewise. + +2001-11-12 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (shift_alg_si): Use special code for + 15-bit logical shifts and 31-bit logical shifts. + (get_shift_alg): Generate special code for 15-bit and 31-bit + logical shifts. + +2001-11-12 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (shift_alg_qi): Use rotations when + doing 6-bit logical shifts on H8S. + (shift_alg_qi): Use special code for 21-bit shifts on H8S. + (get_shift_alg): Generate special code for 21-bit shifts on + H8S. + +2001-11-12 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Remove a redundant + label. + +Mon Nov 12 11:58:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (nonoverlapping_memrefs_p): Only update size from memref + if both size and offset known. + +2001-11-12 David O'Brien <obrien@FreeBSD.org> + + * config/ia64/freebsd.h: Fix misspelling. + +2001-11-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Move several chapters out to ... + * doc/configterms.texi, doc/fragments.texi, doc/hostconfig.texi, + doc/include/linux-and-gnu.texi, doc/interface.texi, + doc/makefile.texi, doc/passes.texi, doc/portability.texi: + ... here. New files. + * doc/gcc.texi, doc/contrib.texi: Move section headings into + contrib.texi. + * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies. + +2001-11-12 Kazu Hirata <kazu@hxi.com> + + * config/alpha/alpha-interix.h: Fix comment formatting. + * config/alpha/alpha.c: Likewise. + * config/alpha/alpha.h: Likewise. + * config/alpha/alpha32.h: Likewise. + * config/alpha/freebsd.h: Likewise. + * config/alpha/unicosmk.h: Likewise. + * config/alpha/vms.h: Likewise. + +2001-11-12 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Remove redundant code. + +2001-11-12 Jakub Jelinek <jakub@redhat.com> + + * dbxout.c (dbxout_symbol_location): Avoid emitting invalid register + numbers. + +Mon Nov 12 05:18:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (set_mem_attributes): If making object, can set alignment + from type. + (replace_equiv_address): Call update_temp_slot_address. + + * dwarf2out.c (loc_descriptor_from_tree, case COMPOUND_EXPR): New case. + + * alias.c (nonoverlapping_memrefs_p): Handle DECL_RTL being a CONCAT. + +2001-11-12 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (shift_alg_qi): New. + (shift_alg_hi): Likewise. + (shift_alg_si): Likewise. + (get_shift_alg): Change the type of count to unsigned int. + Use the tables. + +2001-11-11 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (c-lang.o): Depend on $(VARRAY_H). + * c-decl.c (c_expand_body): Take argument can_defer_p. Use it + to decide whether to defer a function. + (finish_function): Adjust. + (c_expand_deferred_function): New function. + * c-lang.c (deferred_fns): New variable. + (c_init): Initialize it, and mark it as a root. + (defer_fn): New function. + (finish_file): Expand all deferred functions. + * c-tree.h (defer_fn): Declare. + (c_expand_deferred_function): Likewise. + * objc/Make-lang.in (objc-act.o): Depend on $(VARRAY_H). + * objc-act.c (deferred_fns): New variable. + (objc_init): Initialize it, and mark it as a root. + (defer_fn): New function. + (finish_file): Expand all deferred functions. + +2001-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (unicosmk_special_name): Prototype. + (unicosmk_ssib_name): Delete unused variable. + * alpha/unicosmk.h (common_section, ssib_section): Prototype. + * alpha/vms.h (PREFIX): Undef before defining. + * arm/pe.h (SUBTARGET_NAME_ENCODING_LENGTHS): Likewise. + * i370/i370.c (mvs_hash_alias): Prototype. Wrap with macro + controlling usage. Const-ify. + (alias_number): Delete unused variable. + * m32r/m32r.c (m32r_sched_init): Add missing argument. + (m32r_expand_block_move): Fix uninitialized warnings. + * mn10300/mn10300.h (REGNO_IN_RANGE_P): Fix 'unsigned >=0 is + always true' warnings. + * openbsd.h (TARGET_MEM_FUNCTIONS): Don't redefine. + * sh/sh.c: Include "integrate.h". + (output_far_jump): Fix uninitialized warning. + * final.c (shorten_branches): Avoid automatic aggregate + initialization. + * integrate.c (subst_constants): Likewise. + +2001-11-11 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (shift_alg): Remove SHIFT_MAX. + (get_shift_alg): Remove redundant code. + +2001-11-11 Kazu Hirata <kazu@hxi.com> + + * config/pa/milli64.S: Fix comment formatting. + * config/pa/pa-64.h: Likewise. + * config/pa/pa-linux.h: Likewise. + * config/pa/pa-protos.h: Likewise. + * config/pa/pa.c: Likewise. + * config/pa/pa.h: Likewise. + * config/pa/pa32-linux.h: Likewise. + * config/pa/pa32-regs.h: Likewise. + * config/pa/pa64-hpux.h: Likewise. + * config/pa/pa64-regs.h: Likewise. + * config/pa/som.h: Likewise. + +2001-11-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Move several chapters out to ... + * doc/bugreport.texi, doc/contribute.texi, doc/frontends.texi, + doc/service.texi, doc/standards.texi, doc/trouble.texi, + doc/vms.texi: ... here. New files. + * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies. + +2001-11-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog, + cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c, + collect2.c, combine.c, config.in, configure, configure.in, + conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c, + genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c, + reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix + spelling errors. + +Sun Nov 11 05:56:01 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/rs6000/rs6000.c (rs6000_hash_constant, toc_hash_eq): + Adjust operand number in CONST_DOUBLE. + + * expmed.c (extract_bit_field): No longer pass in alignment. + (extract_fixed_bit_field, extract_split_bit_field): Likewise. + (store_bit_field, store_fixed_bit_field, store_split_bit_field): + Likewise. + * expr.c (store_constructor, store_constructor_field): Likewise. + (store_field, emit_group_load, emit_group_store): Likewise. + * expr.h (emit_group_load, emit_group_store): Delete ALIGN parm. + (store_bit_field, extract_bit_field): Likewise. + * calls.c, expr.c, function.c: Change calls to above functions. + * ifcvt.c, stmt.c: Likewise. + + * alias.c (nonoverlapping_memrefs_p): Not overlapping if one base is + constant and one is on frame. + If know memref offset, adjust size from decl. + +2001-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha/unicosmk.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Fix + format specifier warning. + * convex.h (ASM_OUTPUT_BYTE): Likewise. + * elfos.h (ALIGN_ASM_OP): Undef before defining. + * i386/att.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier + warning. + * i386/bsd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * i386/gas.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * i386-interix.h (gen_stdcall_suffix): Prototype. + * i386.h (ASM_OUTPUT_BYTE): Fix format specifier warning. + * i386elf.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_LONG_DOUBLE): Likewise. + * i386/interix.c (gen_stdcall_suffix): Const-ify. + * i386/next.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_FLOAT, ASM_GENERATE_INTERNAL_LABEL): Fix format + specifier warnings. + * i386/osfrose.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * i386/ptx4-i.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_LONG_DOUBLE): Likewise. + * i386/sco5.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * i386/sequent.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * i386/sun386.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * i386/svr3dbx.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * m68k/3b1.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_LONG_DOUBLE, + ASM_OUTPUT_FLOAT, ASM_GENERATE_INTERNAL_LABEL): Likewise. + * m68k/altos3068.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise. + * m68k/amix.h (ASM_OUTPUT_ASCII, ASM_GENERATE_INTERNAL_LABEL): + Likewise. + * m68k/atari.h (ASM_OUTPUT_ASCII, ASM_GENERATE_INTERNAL_LABEL): + Likewise. + * m68k/crds.h (ASM_OUTPUT_DOUBLE, PRINT_OPERAND): Likewise. + * m68k/dpx2.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_FLOAT, ASM_OUTPUT_BYTE, ASM_OUTPUT_FLOAT_OPERAND): + Likewise. + * m68k/hp320.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_BYTE): + Likewise. + * m68k.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_BYTE): + Likewise. + * m68k/m68kv4.h (ASM_OUTPUT_ASCII): Delete unused variable. + * m68k/mot3300.h (ASM_OUTPUT_BYTE): Fix format specifier warning. + * m68k/news.h (PRINT_OPERAND): Likewise. + * m68k/next.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, + ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Likewise. + * m68k/next21.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise. + * m68k/plexus.h (ASM_SPEC): Insert space between macro name and + definition. + * m68k/sgs.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_FLOAT, ASM_OUTPUT_ASCII, ASM_OUTPUT_FLOAT_OPERAND, + ASM_OUTPUT_DOUBLE_OPERAND): Fix format specifier warnings. + * m68k/sun3.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise. + * m68k/tower-as.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_FLOAT, ASM_OUTPUT_BYTE, + PRINT_OPERAND): Likewise. + * m88k/m88k.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_BYTE): + Likewise. + * mips/elf.h (PUT_SDB_SIZE, ASM_DECLARE_OBJECT_NAME): Likewise. + * mips/elf64.h (PUT_SDB_SIZE, ASM_DECLARE_OBJECT_NAME): Likewise. + * mips/iris5gas.h (PUT_SDB_SIZE): Likewise. + * mips/linux.h (ASM_DECLARE_OBJECT_NAME): Likewise. + * mips.c (mips_output_external_libcall): Mark parameter with + ATTRIBUTE_UNUSED. + (mips_asm_file_start): Move variable into the scope where it's + used. + * mips.h (PUT_SDB_INT_VAL, PUT_SDB_SIZE): Likewise. + * mips/netbsd.h (ASM_DECLARE_OBJECT_NAME): Likewise. + * mips/sni-gas.h (PUT_SDB_SIZE): Likewise. + * ns32k/encore.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * ns32k.c (print_operand): Likewise. + * pa.c (print_operand, output_div_insn): Likewise. + * pa.h (ASM_OUTPUT_MI_THUNK, ASM_GENERATE_INTERNAL_LABEL, + ASM_OUTPUT_BYTE, PRINT_OPERAND_ADDRESS): Likewise. + * pa/pa64-hpux.h (UNIQUE_SECTION): Const-ify. + * sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Fix format + specifier warnings. + * sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + * sparc/pbd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + (ASM_OUTPUT_SOURCE_LINE): Don't list macro arguments in undef. + * sparc/vxsim.h (ASM_GENERATE_INTERNAL_LABEL): Fix format + specifier warnings. + * svr3.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + + * sdbout.c (sdbout_end_epilogue): Mark parameter with + ATTRIBUTE_UNUSED. + * varasm.c (assemble_global): Likewise. + +2001-11-11 H.J. Lu <hjl@gnu.org> + + * config.gcc: Add "elfos.h svr4.h" to $tm_file for Linux/mips. + +Sun Nov 11 01:26:00 CET 2001 Jan Hubicka <jh@suse.cz> + + * final.c (*_MAX_SKIP): Use *_max_skip variables. + * flags.h (align_loops_max_skip, align_jumps_max_skip, + align_labels_max_skip): New global variables. + * toplev.c (align_loops_max_skip, align_jumps_max_skip, + align_labels_max_skip): New global variables. + (toplev_main): Set new variables. + * i386.c (override_options): Set max_skip values. + +2001-11-10 Geoffrey Keating <geoffk@redhat.com> + + * doc/tm.texi (Label Output): Document ASM_OUTPUT_LABEL_REF. + * final.c (output_addr_const): Use ASM_OUTPUT_LABEL_REF. + * config/stormy16/stormy16.c (xstormy16_print_operand): For '%C', + don't print an @fptr for labels either. + (xstormy16_output_addr_vec): Don't print @fptr here. + * config/stormy16/stormy16.h (ASM_OUTPUT_LABEL_REF): New macro. + +Sat Nov 10 08:50:50 2001 Jeffrey A Law (law@cygnus.com) + + * ssa-ccp.c (examine_flow_edges): Use old-style definition, not + an ANSI/ISO definitino. + (ssa_const_prop): Likewise. + +2001-11-10 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_reg_names): Remove leading "v" or + altivec registers. + +2001-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppexp.c (parse_number): Use ISXDIGIT/hex_value. + * cpplex.c (hex_digit_value): Use hex_p/hex_value. + * cppmain.c (general_init): Call hex_init. + * tradcif.y (parse_number): Use TOLOWER/ISXDIGIT/hex_value/hex_p. + + * config.gcc (i[34567]86-dg-dgux*): Don't set `out_file'. + + * i386/dgux.h (ASM_FILE_START): Set to the meaningful portions + of dgux.c:output_file_start(). + + * i386/dgux.c: Delete file. + +2001-11-09 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (decl_in_text_section): New. + (current_file_function_operand): Use it. + (alpha_encode_section_info, alpha_end_function): Likewise. + +2001-11-07 David O'Brien <obrien@FreeBSD.org> + + * config.gcc: Add FreeBSD/IA-64 target. Expand config/i64/elf.h headers. + * config/i64/ia64.h (TARGET_VERSION,ASM_SPEC,LINK_SPEC): Remove, + they are OS specific. Use CPP_CPU_SPEC rather than CPP_PREDEFINES, + so OS specific files and use CPP_PREDEFINES for their needs. + * config/i64/elf.h (TARGET_VERSION): Add. Also, move inclusion of + target headers to tm_file. + * config/ia64/aix.h (TARGET_VERSION): Likewise. + * config/ia64/hpux.h (TARGET_VERSION): Likewise. + * config/ia64/linux.h (TARGET_VERSION): Likewise. + (FUNCTION_PROFILER): Remove. + * config/ia64/ia64.h (FUNCTION_PROFILER): Update definition using the + version in config/ia64/linux.h. + * config/ia64/freebsd.h: New file. + * config/freebsd.h: Tidy up. + (_USING_CONFIG_FREEBSD): Define. + (FBSD_CPP_PREDEFINES): Add __KPRINTF_ATTRIBUTE__. + (FBSD_CPP_SPEC): Define generic FreeBSD spec. + (FBSD_STARTFILE_SPEC): Likewise. + (FBSD_ENDFILE_SPEC): Likewise. + (FBSD_LIB_SPEC): Likewise. + (WCHAR_UNSIGNED): Undefine, FreeBSD's wchars are signed. + (USER_LABEL_PREFIX): Define to ELF compatible value as some CPU headers + set an ELF-improper one. + +2001-11-09 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (emit_move_sequence): Use cint_ok_for_move to check whether a + constant can be loaded in a single instruction to a register. When + loading immediate constants, use PLUS instead of HIGH/LO_SUM. Use + depdi for insertion of most significant 32-bits on 64-bit hosts. + * pa.h (LEGITIMATE_CONSTANT_P): Accept constants that can be built + with ldil/ldo/depdi instruction sequence on 64-bit hosts. + * pa.md: New addmove pattern for adding constant_int to HImode + register and moving result to HImode register. Remove HImode HIGH + and LO_SUM patterns. + +2001-11-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update. + * c-decl.c (print_lang_decl, print_lang_type): Remove. + (print_lang_identifier): Rename c_print_identifier. + * c-lang.c (LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New. + (print_lang_statistics, lang_print_xnode): Remove. + * c-parse.in (set_yydebug): Rename c_set_yydebug. + * c-tree.h (c_set_yydebug, c_print_identifier): New. + * langhooks-def.h (lhd_print_tree_nothing, lhd_set_yydebug): New. + LANG_HOOKS_PRINT_STATISTICS, LANG_HOOKS_PRINT_XNODE, + LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE, + LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New members. + (lang_print_tree_hook): New. + * langhooks.c (lhd_print_tree_nothing, lhd_set_yydebug): New. + * print-tree.c: Include langhooks.h. + (print_node): Update. + * toplev.c (decode_d_option): Update. + * tree.c: Include langhooks.h. + (dump_tree_statistics): Update. + * tree.h (print_lang_statistics, print_lang_decl, print_lang_type, + print_lang_identifier, set_yydebug, lang_print_xnode): Remove. +objc: + * objc-act.c (LANG_HOOKS_PRINT_IDENTIFIER, + LANG_HOOKS_SET_YYDEBUG): Override. + (lang_print_xnode, print_lang_statistics): Remove. + +2001-11-09 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (dw2_force_const_mem): Invoke STRIP_NAME_ENCODING + on the symbol string. + +2001-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * pa/elf.h (ASM_DECLARE_FUNCTION_NAME, + ASM_OUTPUT_EXTERNAL_LIBCALL): Undef before defining. + * config.gcc (hppa1.1-*-rtems*): Remove duplicate clause. + + * clipper.h (ASM_OUTPUT_REG_POP): Fix typo. + + * tlink.c (recompile_files): Copy strings passed to `putenv'. + +2001-11-09 Geoffrey Keating <geoffk@redhat.com> + + * tree.h (TYPE_VOLATILE): Trap use not on TYPEs. + (TYPE_READONLY): Likewise. + + * flow.c (insn_dead_p): Allow for AUTO_INC notes all the time. + + * config/stormy16/stormy16.h (ASM_SPEC): Revert last change, + don't pass --gdwarf2 to the assembler if the compiler will also + provide debug info. + + * config/stormy16/stormy16.c (xstormy16_expand_casesi): + Don't change INDEX. + +Fri Nov 9 17:51:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (nonoverlapping_memrefs_p): New function. + (true_dependence, canon_true_depenence, write_dependence_p): Call it. + + * emit-rtl.c (set_mem_attributes): Get alignments for constants. + +2001-11-09 Aldy Hernandez <aldyh@redhat.com> + + * rs6000.h (REG_CLASS_CONTENTS): Add VRSAVE bit to ALL_REGS. + (CONDITIONAL_REGISTER_USAGE): Disable AltiVec registers unless + generating altivec code. + (FIXED_REGISTERS): VRSAVE is fixed. + (CALL_USED_REGISTERS): VRSAVE is call used. + +2001-11-09 Jason Eckhardt <jle@rice.edu> + + * config/mips/mips.c (mips_output_conditional_branch): Do not hard + code the branch target as ".+16/.+12", but rather use labels. + +Fri Nov 9 11:27:42 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/milli64.S: Use %r25 and %r0 instead of arg1 and r0 + to work around limitations of certain versions of GAS. + + * pa.md (mulsi3): Remove PA64 hack to work around SUBREG issues. + (muldi3): Update due to SUBREG_BYTE changes. + (casesi): Similarly. + +2001-11-09 Zack Weinberg <zack@codesourcery.com> + + * doc/invoke.texi: Remove comment referring to -xf77-version. + +2001-11-09 Kazu Hirata <kazu@hxi.com> + + * config/convex/convex.c: Fix comment formatting. + * config/convex/convex.h: Likewise. + +2001-11-08 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (.po.pox): Look both in srcdir and builddir + for $(PACKAGE).pot. + (po/$(PACKAGE).pot): Don't move-if-change the new potfile over + to the source directory. + +2001-11-09 Ben Elliston <bje@redhat.com> + Michael Meissner <meissner@redhat.com> + Andrew MacLeod <amacleod@redhat.com> + Richard Henderson <rth@redhat.com> + Nick Clifton <nickc@redhat.com> + Catherine Moore <clm@redhat.com> + + * m32r.c: Add support for m32rx processor. + * m32r.h: Ditto. + * m32r.md: Ditto. + * t-m32r: Ditto. + * m32r-protos.h: Add prototypes for m32rx functions. + * doc/invoke.texi: Document -m32rx option. + +2001-11-09 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (movdf): Avoid calling validize_mem during + or after reload. + +2001-11-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi2html: Use $MAKEINFO --no-split. + +2001-11-09 Andreas Schwab <schwab@suse.de> + + * Makefile.in ($(HOST_PREFIX_1)rtl.o, + $(HOST_PREFIX_1)print-rtl.o, $(HOST_PREFIX_1)bitmap.o, + $(HOST_PREFIX_1)vfprintf.o, $(HOST_PREFIX_1)doprint.o, + $(HOST_PREFIX_1)strstr.o, $(HOST_PREFIX_1)errors.o, + $(HOST_PREFIX_1)ggc-none.o): Update dependencies. + +2001-11-09 H.J. Lu <hjl@gnu.org> + + * config/mips/mips.c (mips_output_function_prologues): Cast + `tsize' to long for output. + +2001-11-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (LANG_HOOKS_NAME): New. + (lang_hooks): Constify. + (c_init_options): Update. + (lang_identify): Remove. + * c-parse.in (language_string): Remove. + * dbxout.c: Include langhooks.h. + (dbxout_symbol_location): Update. + * dwarf2out.c: Include langhooks.h. + (gen_compile_unit_die): Update. + * dwarfout.c: Include langhooks.h. + (prototyped_attribute, output_compile_unit_die): Update. + * langhooks-def.h (LANG_HOOKS_NAME, LANG_HOOKS_IDENTIFIER_SIZE): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New members. Constify. + * stringpool.c: Don't include toplev.h. + (set_identifier_size): Remove. + * toplev.c (toplev_main): Initialize identifier size. + (print_version): Update. + * tree.h (language_string, init_lex, lang_identify, + set_identifier_size): Remove. + * Makefile.in: Update dependencies. + * config/darwin.c: Include langhooks.h. + (func_name_maybe_scoped): Update. + * config/darwin.h (ASM_END_FILE): Update. + * config/nextstep.h (ASM_END_FILE): Update. + * config/nextstep21.h (ASM_END_FILE): Update. + * config/i386/sun386.h (ASM_END_FILE): Update. + * config/rs6000/rs6000.c (ASM_END_FILE): Include langhooks.h. + (rs6000_output_function_epilogue): Update. +objc: + * objc-act.c (LANG_HOOKS_NAME): Override. + (struct lang_hooks): Constify. + (objc_init_options): Update. + (lang_identify): Remove. + +Fri Nov 9 00:25:18 EST 2001 John Wehle (john@feith.com) + + * fold-const.c (lshift_double): Honor PREC. + (rshift_double): Likewise. + +2001-11-08 Kazu Hirata <kazu@hxi.com> + + * config/1750a/1750a.c: Fix comment formatting. + * config/1750a/1750a.h: Likewise. + +2001-11-08 Phil Edwards <pedwards@disaster.jaj.com> + + * configure.in (--enable-languages): Be more permissive about + syntax. Check for empty lists better. Warn about $LANGUAGES. + * configure: Regenerated. + +2001-11-08 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (dw2_force_const_mem): Fix typo. + +2001-11-08 Geoffrey Keating <geoffk@redhat.com> + + * config.gcc: Rename stormy16 to xstormy16. + * config/stormy16/stormy-abi: Likewise. + * config/stormy16/stormy16-protos.h: Likewise. + * config/stormy16/stormy16.c: Likewise. + * config/stormy16/stormy16.h: Likewise. + * config/stormy16/stormy16.md: Likewise. + +2001-11-06 Geoffrey Keating <geoffk@redhat.com> + + * tree.h (TYPE_VOLATILE): Add enable-checking code. + (TYPE_READONLY): Likewise. + +Thu Nov 8 18:00:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload1.c (reload): Don't delete equiv insn if can throw. + + * expr.c (emit_block_move): If X is readonly emit CLOBBER for it. + (clear_storage): Likewise, for OBJECT. + +Thu Nov 8 16:23:51 2001 Jeffrey A Law (law@cygnus.com) + + * pa.c (emit_move_sequence): Fix SUBREG expression to + use proper byte offset when extending a constant from + SImode to DImode. + +2001-11-09 Jakub Jelinek <jakub@redhat.com> + + * cfgrtl.c (purge_dead_edges): Remove REG_EH_REGION note for insns + which cannot throw. + +Thu Nov 8 18:00:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (convert_memory_address, case SUBREG): Only return + inner object if SUBREG_PROMOTED_VAR_P or known to be pointer. + +2001-11-08 Richard Henderson <rth@redhat.com> + + * Makefile.in (GCC_FOR_TARGET): Add build_tooldir/sys-include. + (CROSS_SYSTEM_HEADER_DIR): Use build_tooldir not tooldir. + (ORDINARY_FLAGS_TO_PASS, stmp-fixinc): Likewise. + +2001-11-08 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -maltivec. + +2001-11-08 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (debug_str_hash): New. + (struct indirect_string_node): New. + (struct dw_val_struct): Change type of val_str to it. + (DEBUG_STR_SECTION_FLAGS): Define. + (add_AT_string): Push string into hashtable, increment reference + counter. + (AT_string): Return string from ht_identifier. + (AT_string_form): New. + (free_AT): For dw_val_class_str, just decrement reference counter. + (size_of_string): Remove. + (size_of_die): Use AT_string_form to decide what size the string + occupies in DIE. + (size_of_pubnames): Use strlen instead of size_of_string. + (value_format): Use AT_string_form for dw_val_class_str. + (output_die): Output DW_FORM_strp strings using + dw2_asm_output_offset. + (indirect_string_alloc, output_indirect_string): New. + (dwarf2out_finish): Emit .debug_str strings if there are any. + +2001-11-08 Andreas Franck <afranck@gmx.de> + + * configure.in: Add AC_ARG_PROGRAM to support program name + transformation with --program-prefix, --program-suffix and + --program-transform-name. + * configure: Regenerated. + * Makefile.in (GCC_INSTALL_NAME, CPP_INSTALL_NAME, + PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME, + GCCBUG_INSTALL_NAME, GCC_CROSS_NAME, CPP_CROSS_NAME, + PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): Handle + program_transform_name the way suggested by autoconf. + (GCC_TARGET_INSTALL_NAME): Define. + (install-driver): Use the transformed target alias name. + +2001-11-08 Richard Henderson <rth@redhat.com> + + * config/mips/mips.c (save_restore_insns): Remove GP from the + restore registers mask early instead of special casing it inside + the loop. + +2001-11-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cp/decl.c (shadow_warning): New function. + (pushdecl): Improve -Wshadow warnings. Don't give both a warning + and an error when a block scope decl shadows a parameter. + +2001-11-08 Richard Henderson <rth@redhat.com> + + * config/fp-bit.h (usi_to_float): Define for US_SOFTWARE_GOFAST + case as well. + +2001-11-08 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (negdf2, negsf2): Use multiplication rather than subtraction + to implement floating negation on processors prior to PA 2.0. + +2001-11-08 Jakub Jelinek <jakub@redhat.com> + + * dwarf2asm.c (mark_indirect_pool_entry, mark_indirect_pool): New. + (USE_LINKONCE_INDIRECT): Define. + (dw2_output_indirect_constant_1): Try to output indirect constants + into linkonce sections if possible. + (dw2_force_const_mem): Likewise. Register indirect_pool with GGC. + (dw2_output_indirect_constants): Likewise. + +2001-11-07 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Add vrsave. + +2001-11-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (pushdecl): Remove file and line. + * c-typeck.c (pop_init_level): Remove size. + +2001-11-07 Aldy Hernandez <aldyh@redhat.com> + + * doc/invoke.texi: Add -maltivec, -mno-altivec, and -mabi=altivec + for rs6000. + + * config/rs6000/rs6000.h (MASK_ALTIVEC): New. + (TARGET_ALTIVEC): New. + (TARGET_SWITCHES): Add altivec. + (FIRST_PSEUDO_REGISTER): Change to 109. + (CALL_USED_REGISTERS): Same. + (FIRST_ALTIVEC_REGNO): New. + (LAST_ALTIVEC_REGNO): New. + (ALTIVEC_REGNO_P): New. + (UNITS_PER_ALTIVEC_WORD): New. + (ALTIVEC_VECTOR_MODE): New. + (FIXED_REGISTERS): Add altivec registers. + (REG_ALLOC_ORDER): Same. + (HARD_REGNO_NREGS): Adjust for altivec registers. + (HARD_REGNO_MODE_OK): Same. + (MODES_TIEABLE_P): Same. + (REGISTER_MOVE_COST): Same. + (REGNO_REG_CLASS): Same. + (reg_class): Add ALTIVEC_REGS. + (REG_CLASS_NAMES): Same. + (REG_CLASS_CONTENTS): Same. + (REG_CLASS_FROM_LETTER): Add 'v' constraint for ALTIVEC_REGS. + (ALTIVEC_ARG_RETURN): New. + (FUNCTION_VALUE): Handle VECTOR_TYPE. + (LIBCALL_VALUE): Handle altivec vector modes. + (VECTOR_MODE_SUPPORTED_P): New. + (ALTIVEC_ARG_MIN_REG): New. + (ALTIVEC_ARG_MAX_REG): New. + (ALTIVEC_ARG_NUM_REG): New. + (FUNCTION_VALUE_REGNO_P): Return true for altivec return register. + (FUNCTION_ARG_REGNO_P): Support passing args in altivec registers. + (REGISTER_NAMES): Add altivec regs. + (DEBUG_REGISTER_NAMES): Same. + (ADDITIONAL_REGISTER_NAMES): Same. + (rs6000_builtins): New. + (MD_EXPAND_BUILTIN): New. + (MD_INIT_BUILTINS): New. + (LEGITIMATE_OFFSET_ADDRESS_P): This addressing mode is not valid + for AltiVec instructions. + (LEGITIMATE_LO_SUM_ADDRESS_P): Same. + (HARD_REGNO_MODE_OK): Altivec modes can only go in altivec + registers. + (SECONDARY_MEMORY_NEEDED): We need memory to copy vector modes. + (TARGET_SWITCHES): Add no-altivec. + (DATA_ALIGNMENT): Align vectors to 128 bits. + (TARGET_OPTIONS): Add abi= option. + Add rs6000_abi_string extern. + (LOCAL_ALIGNMENT): New. + (CPP_CPU_SPEC): Define __ALTIVEC__ when -maltivec. + (MASK_ALTIVEC_ABI): New. + (TARGET_ALTIVEC_ABI): New. + (CONDITIONAL_REGISTER_USAGE): Set first 20 AltiVec registers to + call-saved. + (STACK_BOUNDARY): Adjust for altivec. + (BIGGEST_ALIGNMENT): Same. + (rs6000_args): Add vregno. + (USE_ALTIVEC_FOR_ARG_P): New. + (FIXED_REGISTERS): Add vrsave register. + (CALL_USED_REGISTERS): Same. + (CONDITIONAL_REGISTER_USAGE): Set VRSAVE info. + (VRSAVE_REGNO): New. + (reg_class): Add VRSAVE_REGS. + (REG_CLASS_NAMES): Same. + (REG_CLASS_CONTENTS): Same. + (REGNO_REG_CLASS): Same. + + * config/rs6000/sysv4.h (STACK_BOUNDARY): Adjust for altivec. + (ABI_STACK_BOUNDARY): Same. + (BIGGEST_ALIGNMENT): Same. + (ADJUST_FIELD_ALIGN): Remove undef. Define anew. + (ROUND_TYPE_ALIGN): Same. + + * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT + to 64. + + * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT + to 64. + + * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT + to 64. + + * config/rs6000/rs6000.c (rs6000_expand_builtin): New. + (altivec_expand_builtin): New. + (altivec_init_builtins): New. + (TARGET_EXPAND_BUILTIN): New. + (TARGET_INIT_BUILTINS): New. + (rs6000_init_builtins): New. + (struct builtin_description): New. + (bdesc_2arg): New. + (rs6000_reg_names): Add altivec registers. + (alt_reg_names): Same. + (secondary_reload_class): Altivec regs can hold altivec regs and + memory. + (rs6000_emit_move): Force constants into memory for AltiVec moves. + (print_operand): Add 'y' case for printing altivec memory + operands. + (rs6000_legitimize_address): Legitimize vector addresses into + [REG+REG] or [REG]. + (altivec_expand_binop_builtin): New. + New string rs6000_current_abi. + (rs6000_override_options): Call rs6000_parse_abi_options. + (rs6000_parse_abi_options): New. + (function_arg_boundary): Vector arguments must be 16 + byte aligned. + (function_arg_advance): Handle vector arguments. + (function_arg_partial_nregs): Same. + (init_cumulative_args): Same. + (function_arg): Same. + + * config/rs6000/rs6000.md (altivec_lvx): New. + (type): Add altivec attribute. + (movv4si): New. + (*movv4si_internal): New. + (movv16qi): New. + (*movv16qi_internal): New. + (movv8hi): New. + (*movv8hi_internal1): New. + (movv4sf): New. + (*movv4sf_internal1): New. + (altivec_stvx): New. + (vaddubm): New. + (vadduhm): New. + (vadduwm): New. + (vaddfp): New. + (vaddcuw): New. + (vaddubs): New. + (vaddsbs): New. + (vadduhs): New. + (vaddshs): New. + (vadduws): New. + (vaddsws): New. + (vand): New. + (vandc): New. + (vavgub): New. + (vavgsb): New. + (vavguh): New. + (vavgsh): New. + (vavguw): New. + (vavgsw): New. + (vcmpbfp): New. + (vcmpequb): New. + (vcmpequh): New. + (vcmpequw): New. + (vcmpeqfp): New. + (vcmpgefp): New. + (vcmpgtub): New. + (vcmpgtsb): New. + (vcmpgtuh): New. + (vcmpgtsh): New. + (vcmpgtuw): New. + (vcmpgtsw): New. + (vcmpgtfp): New. + (vcmpgefp): New. + (vcmpgtub): New. + (vcmpgtsb): New. + (vcmpgtuh): New. + (vcmpgtsh): New. + (vcmpgtuw): New. + (vcmpgtsw): New. + (vcmpgtfp): New. + (vmaxub): New. + (vmaxsb): New. + (vmaxuh): New. + (vmaxsh): New. + (vmaxuw): New. + (vmaxsw): New. + (vmaxfp): New. + (vmrghb): New. + (vmrghh): New. + (vmrghw): New. + (vmrglb): New. + (vmrglh): New. + (vmrglw): New. + (vminub): New. + (vminsb): New. + (vminuh): New. + (vminsh): New. + (vminuw): New. + (vminsw): New. + (vminfp): New. + (vmuleub): New. + (vmulesb): New. + (vmuleuh): New. + (vmulesh): New. + (vmuloub): New. + (vmulosb): New. + (vmulouh): New. + (vmulosh): New. + (vnor): New. + (vor): New. + (vpkuhum): New. + (vpkuwum): New. + (vpkpx): New. + (vpkuhss): New. + (vpkshss): New. + (vpkuwss): New. + (vpkswss): New. + (vpkuhus): New. + (vpkshus): New. + (vpkuwus): New. + (vpkswus): New. + (vrlb): New. + (vrlh): New. + (vrlw): New. + (vslb): New. + (vslh): New. + (vslw): New. + (vsl): New. + (vslo): New. + (vsrb): New. + (vrsh): New. + (vrsw): New. + (vsrab): New. + (vsrah): New. + (vsraw): New. + (vsr): New. + (vsro): New. + (vsububm): New. + (vsubuhm): New. + (vsubuwm): New. + (vsubfp): New. + (vsubcuw): New. + (vsububs): New. + (vsubsbs): New. + (vsubuhs): New. + (vsubshs): New. + (vsubuws): New. + (vsubsws): New. + (vsum4ubs): New. + (vsum4sbs): New. + (vsum4shs): New. + (vsum2sws): New. + (vsumsws): New. + (vxor): New. + +2001-11-07 Daniel Berlin <dan@cgsoftware.com> + + * Makefile.in (df.o): Add fibheap.h to dependencies. + + * df.h: Add prototypes for transfer functions, iterative_dataflow + functions. + (enum df_flow_dir): New enum. + (enum df_confluence_op): New enum. + (struct df): Add inverse_rts_map. + + * df.c: Add sbitmap.h to the list of includes. + (df_rd_global_compute): Removed. + (df_ru_global_compute): Removed. + (df_lr_global_compute): Removed. + (df_rd_transfer_function): New function. + (df_ru_transfer_function): New function. + (df_lr_transfer_function): New function. + (df_analyse_1): allocate/compute/free df->inverse_rts_map. + Use iterative_dataflow_bitmap instead of df_*_global_compute. + (iterative_dataflow_sbitmap): New function. + (iterative_dataflow_bitmap): New function. + +2001-11-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Move terminology and spelling conventions to + htdocs/codingconventions.html. + +2001-11-07 Graham Stott <grahams@redhat.com> + + * cse.c (cse_insn): Emit BARRIER after unconditional jump. + +Wed Nov 7 13:33:34 CET 2001 Jan Hubicka <jh@suse.cz> + + * expmed.c (expand_mult): Force operand to register before computing + cost. + * i386.c (x86_decompose_lea): New global vairable. + * i386.h (x86_decompose_lea): Declare. + (TARGET_DECOMPOSE_LEA): New macro. + (RTX_COST): Handle leas properly. + +2001-11-06 Richard Henderson <rth@redhat.com> + + * config/alpha/elf.h (DO_SELECT_SECTION): TREE_READONLY is not + defined for a CONSTRUCTOR; don't check it. + +2001-11-06 Danny Smith <dannysmith@users.sourceforge.net> + + * gcov.c (output_data): Use IS_ABSOLUTE_PATHNAME to + test for absolute pathnames. + +2001-11-06 Olivier Hainque <hainque@act-europe.fr> + + * unwind-dw2.c (execute_cfa_program): Evaluate call frame + instructions up to the target pc inclusive. + +2001-11-06 Steve Christiansen <smc@us.ibm.com> + + * loop.c (loop_regs_scan): Don't invalidate PIC register. + +2001-11-06 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.md(movdf_internal2): Add constraints for float + to general register move. + * config/mips/elf64.h: Add default ABI. + +2001-11-06 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * alias.c:: Include langhooks.h. + * emit-rtl.c: Similarly. + * toplev.c: Similarly. + * tree-inline.c: Similarly. + * langhooks-def.h: New, the old langhooks.h. Give the default + hooks a common prefix. + * langhooks.h: Contents extracted from toplev.h. + * toplev.h: Move langhook stuff to langhooks.h. + * langhooks.c: Give default hooks a common prefix. + + * c-lang.c: Include langhooks-def.h. + * objc/objc-act.c: Similarly. + * Makefile.in: Update. + * objc/Make-lang.in: Update. + +2001-11-06 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Document that configure options not listed in + this file are unsupported. Document --with-system-zlib. + +Tue Nov 6 09:21:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.h (mem_for_const_double): New declaration. + * varasm.c (mem_for_const_double): New function. + * config/convex/convex.md (movdf): Use it. + * config/m68k/hp320.h (LEGITIMATE_PIC_OPERAND_P): Likewise. + * config/m68k/linux.h, config/m68k/m68k.h: Likewise. + * config/m68k/m68kv4.h: Likewise. + + * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Adjust for addition + of new GP reg classes. + + * expr.c (store_field): When making temp object for unaligned + component, set it to alias set 0. + +2001-11-06 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (c_expand_expr_stmt): Apply default conversions to + non-lvalue arrays if C99. + * c-typeck.c (default_conversion): Split out code handling + array-to-pointer and function-to-pointer conversions into a + separate default_function_array_conversion function. + (default_function_array_conversion): New function. Keep track of + whether any NON_LVALUE_EXPRs were stripped. Return non-lvalue + arrays unchanged outside C99 mode instead of giving an error for + them. + (build_component_ref): Use pedantic_non_lvalue when handling + COMPOUND_EXPR. Don't handle COND_EXPR specially. + (convert_arguments): Use default_function_array_conversion. + (build_unary_op): For ADDR_EXPR, take a flag indicating whether + non-lvalues are OK. + (unary_complex_lvalue): Likewise. + (internal_build_compound_expr): Use + default_function_array_conversion. Apply default conversions to + function in compound expression. + (build_c_cast, build_modify_expr, digest_init, build_asm_stmt): + Use default_function_array_conversion. + * doc/extend.texi: Update documentation of subscripting non-lvalue + arrays. + Fixes PR c/461. + +2001-11-05 Zack Weinberg <zack@codesourcery.com> + + * aclocal.m4: (AM_WITH_NLS): Don't look at ALL_LINGUAS. + (AM_GNU_GETTEXT): Set CATALOGS to a list of .gmo files + corresponding to the complete set of .po and .gmo files in + the source directory's po subdir, modified by LINGUAS. Don't + look at ALL_LINGUAS. + * configure.in: Don't set ALL_LINGUAS. + * configure: Regenerate. + + * Makefile.in (.po.gmo): Don't move into source directory. + (.po.pox): Clarify comments. + (install-po): Look for .gmo files in both srcdir and objdir; + don't fail if a file is totally missing. + (distclean): rmdir ada subdirectory too. + +2001-11-05 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.c (rs6000_select_section): Handle + CONSTRUCTORs _correctly_. + +2001-11-05 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * c-decl.c (delete_block): Remove. + * c-tree.h (delete_block): Remove. + +2001-11-05 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppexp.c (lex, parse_defined): Update warning about defined. + +2001-11-05 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.c (rs6000_select_section): Handle + CONSTRUCTORs too. + +2001-11-05 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_return_in_memory): Cope with + int_size_in_bytes returning -1. + + * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Handle + DECL being NULL. + +Mon Nov 5 16:15:25 CET 2001 Jan Hubicka <jh@suse.cz> + + * Makefile.in (bb-reorder.o): Add dependency on cfglayout.h; + remove unneeded dependencies; + (cfglayout.o): New. + * cfglayout.c, cfglayout.h: New files; break out from ... + * bb-reorder.c: ... here; Remove unneeded includes; + +2001-11-04 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Mark r2 as used. + +2001-11-04 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_emit_move): Handle 64-bit + mode as well. Do not explicitly create intermediate regs. + +2001-11-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * arm/aof.h (aof_text_section, aof_data_section): Don't declare. + (common_section): Delete unused variable. + (ASM_OUTPUT_ASCII): Fix signed/unsigned warnings. + (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning. + * arm-protos.h (arm_poke_function_name, aof_add_import, + aof_delete_import): Const-ify. + * arm.c (legitimize_pic_address): Wrap variables in the macro + controlling their usage. + (arm_finalize_pic): Mark variable with ATTRIBUTE_UNUSED. + (arm_poke_function_name, pic_chain, import, aof_add_import, + aof_delete_import): Const-ify. + * i386.c (ix86_osf_output_function_prologue): Const-ify. + * i386/sysv4.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE, + ASM_OUTPUT_LONG_DOUBLE): Fix format specifier warnings. + * i860/fx2800.h (DBX_OUTPUT_STANDARD_TYPES): Const-ify. + * i860/sysv3.h: Add missing comment closure. + * m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Add missing semi-colon. + * m88k/dgux.h (SELECT_RTX_SECTION): Add missing argument in call + to symbolic_operand. + + * config.gcc (m680[02]0-*-*): Rename case from m68000-*-*. + (i960-*-*): Set tmake_file. + (sparc86x-*-elf*): Fix typo in header name. + + * sched-rgn.c (schedule_insns): Delete unused variable. + +2001-11-04 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + PR c/2820 + * c-typeck.c (lookup_field): Rework to return a chain down to + the looked-up field. + (build_component_ref): Use the new lookup_field to handle + nested anonymous entities correctly. + +Sun Nov 4 11:53:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.c (sparc_emit_set_const32, GEN_HIGHINT64): + Change parameters to gen_rtx_CONST_DOUBLE. + (GEN_INT64, sparc_emit_set_const64): Likewise. + * config/sparc/sparc.md (movdf split): Likewise. + +2001-11-03 Geoffrey Keating <geoffk@redhat.com> + + * unroll.c (calculate_giv_inc): Use find_last_value rather + than just hoping the last instruction is the right SET. + [Fixes 990604-1.c on stormy16.] + + * config/stormy16/stormy16.h (LIB_SPEC): Don't supply any libgloss + library at all if -T is used. + + * config/stormy16/stormy16.c (stormy16_print_operand): Avoid + some uses of uninitialized variables in error cases. + + * config/stormy16/stormy16.c (stormy16_output_shift): Don't + look at 'temp' if we won't be using it. + + * config/stormy16/stormy16.h (CONST_COSTS): Define. + (RTX_COSTS): Define. + (ADDRESS_COST): Define. + (MEMORY_MOVE_COST): Allow for memory_move_secondary_cost. + + * config/stormy16/stormy16.h (ASM_SPEC): Pass -g to the assembler. + + * config/stormy16/stormy16.h (ASM_OUTPUT_MI_THUNK): Call + stormy16_asm_output_mi_thunk. + * config/stormy16/stormy16.c (stormy16_asm_output_mi_thunk): New + function. + * config/stormy16/stormy16-protos.h + (stormy16_asm_output_mi_thunk): New prototype. + +2001-11-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * ChangeLog.2, ChangeLog.4, ChangeLog.5, ChangeLog, + FSFChangeLog.10, FSFChangeLog.11, alias.c, attribs.c, + caller-save.c, calls.c, cfg.c, cfganal.c, cfgcleanup.c, cfgrtl.c, + cppmacro.c, fold-const.c, ifcvt.c, local-alloc.c, profile.c, + sched-int.h, toplev.c, config/alpha/alpha.c, + config/alpha/alpha.md, config/c4x/c4x.h, config/cris/cris.h, + config/cris/cris.md, config/i370/i370.md, config/i386/i386.c, + config/i386/i386.h, config/i386/i386.md, config/i386/xm-djgpp.h, + config/ia64/ia64.c, config/m68hc11/m68hc11.c, config/m68k/m68k.md, + config/mcore/mcore.h, config/mmix/mmix.c, config/ns32k/ns32k.h, + config/ns32k/ns32k.md, config/rs6000/rs6000.c, + config/rs6000/sysv4.h, config/sh/sh.md: Fix spelling errors. + +2001-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (dbxout.o): Depend on function.h. + * collect2.c (is_in_list): Hide unused function. + * dbxout.c: Include function.h. + (source_label_number, dbxout_source_line, dbxout_source_file, + dbxout_function_end, dbxout_begin_function): Wrap/move inside + macros controlling usage. + * gcc.c (TARGET_EXECUTABLE_SUFFIX): Undef before defining. + * output.h (exports_section): Prototype. + + * convex.c (convex_output_function_prologue): Fix format specifier + warning. + (asm_declare_function_name): Fix signed/unsigned warning. + (print_operand): Fix format specifier warning. + * convex.h (S_REGNO_P, A_REGNO_P): Fix signed/unsigned warning. + * dsp16xx-protos.h (uns_comparison_operator, + num_1600_core_shifts): Prototype. + * dsp16xx.c: Include tm_p.h, not dsp16xx-protos.h. + (frame_size, frame_pointer_offset): Delete. + (dsp16xx_output_function_prologue, dsp16xx_output_function_epilogue): + Make static. Fix format specifier warnings. + * dsp16xx.h (IS_ACCUM_REG): Fix unsigned>=0 warning. + (EXTRA_SECTION_FUNCTIONS): Prototype const_section. + * dsp16xx.md: Add default case in switches. + * fr30.h (IN_RANGE): Delete. + * ia64.h (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings. + * mcore-protos.h (mcore_output_cmov): Const-ify. + * mcore.c (mcore_output_cmov): Likewise. + * mcore.h (switch_to_section): Make static and prototype. + * mn10200.h (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Fix + unsigned>=0 warnings. + * mn10300.h (REGNO_IN_RANGE_P): Likewise. + * rs6000-protos.h (read_only_data_section, + read_only_private_data_section): Prototype. + * rs6000.h (ASM_OUTPUT_BYTE): Fix format specifier warning. + * sh.c (sh_adjust_cost): Mark parameter with ATTRIBUTE_UNUSED. + * sh.h (GENERAL_REGISTER_P): Fix unsigned>=0 warning. + +2001-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dwarf2asm.c (dw2_asm_output_pcrel): Mark parameters with + ATTRIBUTE_UNUSED. + * final.c (final_scan_insn): Add brackets around body of if-stmt. + * gcc.c (convert_filename): Add static prototype. Const-ify. + Wrap variable in macros controlling its use. + * output.h (sdata_section): Add prototype. + + * 1750a.h (EXTRA_SECTION_FUNCTIONS): Add prototype. + (ASM_OUTPUT_ASCII): Avoid signed/unsigned warning. + * c4x.h (INIT_SECTION_FUNCTION): Add prototype. + (ASM_FILE_START): Const-ify. + (ASM_OUTPUT_BYTE_FLOAT, ASM_OUTPUT_SHORT_FLOAT): Fix format + specifier warning. + * c4x.md: Don't use the 'U' integer suffix. + * clipper.md (clipper_movstr): Delete declaration. + * d30v-protos.h (d30v_move_2words): Const-ify. + (debug_stack_info): Add prototype. + * d30v.c: Include "integrate.h". + (d30v_function_arg_boundary, d30v_function_arg, + d30v_function_arg_partial_nregs, d30v_function_arg_advance): Avoid + signed/unsigned warnings. + (d30v_print_operand_memory_reference, d30v_move_2words): + Const-ify. + * d30v.h (REG_CLASS_FROM_LETTER): Use unsigned array subscript. + * fr30.c (fr30_pass_by_reference, fr30_pass_by_value): Prototype. + * fr30.md: Const-ify. + * h8300.h (EXTRA_SECTION_FUNCTIONS): Add prototype. + * i370.c (i370_label_scan, mvs_get_label): Make definition static. + (mvs_get_label_page): Hide unused static function. + * i860.c (current_function_original_name): Const-ify. + * i860/sysv3.h (current_function_original_name): Likewise. + * i860/sysv4.h (current_function_original_name): Likewise. + * i960.md: Add default case in switches. Remove unused variable. + * i960/vx960-coff.h (MULTILIB_DEFAULTS): Undef before defining. + * m32r.md: Const-ify. + * m68hc11-protos.h (m68hc11_asm_file_start): Const-ify. + * m68hc11.c: Include "reload.h". + (static_chain_reg, print_options, m68hc11_asm_file_start): + Const-ify. + * m68hc11.md: Delete unused variable. Const-ify. Add parens + around & in comparison. + * mcore.h (TARGET_ASM_NAMED_SECTION): Undef before defining. + * mn10200.c (shift_mode): Remove trailing comma. + * mn10300-protos.h (output_tst): Const-ify. + * mn10300.c (output_tst): Likewise. + * pa/long_double.h (ASM_OUTPUT_LONG_DOUBLE): Fix format specifier + warnings. + * pa-protos.h (output_ascii): Use regular char *, not unsigned. + * pa.c (output_ascii): Likewise. + * pa/som.h (EXTRA_SECTION_FUNCTIONS): Add prototype. + * pdp11.md (expand_unop): Delete declarations. + * pj-protos.h (pj_output_addsi3): Const-ify. + * pj.c (pj_output_push_int, pj_output_load, pj_output_inc, + pj_output_cnv_op, mode_to_char, pj_output_varidx, pj_print_cond, + unique_src_operand): Add prototypes. + (pj_output_store_into_lval): Make definition static. + (pj_function_incoming_arg): Don't use unary plus. + (pj_output_addsi3): Const-ify. + * romp.md (get_symref): Delete declarations. + * v850-c.c (mark_current_function_as_interrupt): Don't return + value from void function. + * v850.c: Include "integrate.h". + * v850.h (ASM_OUTPUT_LABELREF): Const-ify. + * vax-protos.h (const_section): Add prototype. + +2001-11-03 Aldy Hernandez <aldyh@redhat.com> + + * machmode.def: Add documentation for the seventh argument in + vector modes. + +2001-11-04 Hans-Peter Nilsson <hp@bitrange.com> + + * doc/invoke.texi (MMIX Options) <-mno-knuthdiv>: Say remainder + consistently. + <-mno-toplevel-symbols>: Change @code{:} to @samp{:}. + <-melf>: Don't have markup for ELF acronym. + +2001-11-03 Hans-Peter Nilsson <hp@bitrange.com> + + * config.gcc (mmix-*-*): New target. + * doc/invoke.texi: Document MMIX options. + * doc/contrib.texi: Add note about MMIX port to my entry. + * config/mmix/t-mmix: New file. + * config/mmix/mmix.h: New file. + * config/mmix/mmix-protos.h: New file. + * config/mmix/mmix.c: New file. + * config/mmix/mmix.md: New file. + * config/mmix/crti.asm: New file. + * config/mmix/crtn.asm: New file. + +2001-11-03 Kazu Hirata <kazu@hxi.com> + + * config/sparc/linux-aout.h: Fix comment formatting. + * config/sparc/linux.h: Likewise. + * config/sparc/linux64.h: Likewise. + * config/sparc/lynx.h: Likewise. + * config/sparc/pbd.h: Likewise. + * config/sparc/sol2-sld-64.h: Likewise. + * config/sparc/sol2.h: Likewise. + * config/sparc/sparc.c: Likewise. + * config/sparc/sparc.h: Likewise. + * config/sparc/sparc.md: Likewise. + * config/sparc/sunos4.h: Likewise. + * config/sparc/vxsim.h: Likewise. + * config/sparc/vxsparc.h: Likewise. + * config/sparc/vxsparc64.h: Likewise. + +Sat Nov 3 10:37:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cselib.c (cselib_subst_to_values, case CONST_DOUBLE): Remove + reference to CONST_DOUBLE_MEM in comment. + * emit-rtl.c (gen_rtx_CONST_DOUBLE): Remove one operand. + (gen_rtx, case CONST_DOUBLE): Call it with one less operand. + (init_emit_once): Don't clear CONST_DOUBLE_MEM. + * function.c (pop_function_context_from): Don't call + restore_varasm_status. + * function.h (restore_varasm_status): Delete declaration. + * gengenrtl.c (CONST_DOUBLE_FORMAT): Delete CONST_DOUBLE_MEM slot. + * rtl.c: Likewise. + * rtl.def (CONST_DOUBLE): Update comment. + * rtl.h (CONST_DOUBLE_HIGH, CONST_DOUBLE_LOW): Update operand number. + (CONST_DOUBLE_CHAIN): Likewise. + (CONST_DOUBLE_MEM): Delete. + (gen_rtx_CONST_DOUBLE): Update parameters. + * varasm.c (struct varasm_status): x_pool_offset now HOST_WIDE_INT. + Remove reference to CONST_DOUBLE_MEM. + (const_alias_set): New variable. + (immed_double_const): Change call to gen_rtx_CONST_DOUBLE. + (immed_real_const_1): Adjust tests for 0, 1, and 2. + Don't set CONST_DOUBLE_MEM. + (clear_const_double_mem): Don't do anything with const_tiny_rtx. + (output_constant_def): Don't look at TREE_CST_RTL if INTEGER_CST. + Put constant in const_alias_set. + (struct pool_constant): ALIGN now unsigned. + OFFSET now HOST_WIDE_INT. + Delete LABEL. + (restore_varasm_status): Deleted. + (mark_pool_constant): Mark desc->rtl. + (force_const_mem): Rework to store rtl in hash table, + not CONST_DOUBLE_MEM. + Put constant in const_alias_set. + (find_pool_constant): Check desc->rtl. + (mark_constants, mark_constant): Don't special-case CONST_DOUBLE. + (init_varasm_once): Initialize const_alias_set. + + * expr.c (expand_expr, case ADDDR_EXPR): If at top level, don't call + force_const_mem. + + * reload.c (combine_reloads): Don't combine an output reload if there + are other reloads around for part of the output. + + * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a + constant expression. + (set_mem_decl): New function. + * expr.h (set_mem_decl): New declaration. + * final.c (get_decl_from_op): Don't use ORIGINAL_REGNO if not pseudo. + (output_asm_operand_names): Add tab. + * reload1.c (alter_reg): Set decl of MEM from REG_DECL. + + * builtins.c (get_memory_rtx): Properly set MEM alias set and + attributes. + +2001-11-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/tm.texi: + Use "invalid" instead of "illegal". Use @r in comments in + examples. + +2001-11-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (pushdecl): Move block inside if conditional to remove + possibility of a segfault. Lookup block-level extern + variables in enclosing scopes correctly. + + * testsuite/gcc.c-torture/compile/20001018-1.x: Remove XFAIL. + +2001-11-02 Aldy Hernandez <aldyh@redhat.com> + + * expmed.c (store_bit_field): Use simplify_gen_subreg to make + SUBREG so we avoid SUBREGing memory. + + * expmed.c (store_bit_field): Same. + +2001-11-02 DJ Delorie <dj@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_move): Make sure that + using FP registers for DImode mem-mem moves is acceptable. + +2001-11-02 Aldy Hernandez <aldyh@redhat.com> + + * builtins.c (apply_args_size): Handle vector arguments. + (apply_result_size): Same. + + * machmode.def: Set WIDER mode field for all vector entries. + +2001-11-02 Graham Stott <grahams@redhat.com> + + * recog.c (decode_asm_operands): Check that the SRC is ASM_OPERANDS. + +2001-11-01 Eric Christopher <echristo@redhat.com> + + * config.gcc: Revert part of earlier patch. + * config/mips/linux.h: Ditto. + * df.c: Include tm_p.h to avoid warnings. + * config/mips/mips.h (ABI_GAS_ASM_SPEC): Add defaults. Adjust + #if/#endif. + * config/mips/mips.c: Define mips_abi regardless. + (mips_output_function_prologues): Add long casts for .frame + output. + (override_options): Allow use of ABI_32. + +2001-11-01 Kazu Hirata <kazu@hxi.com> + + * config/m68hc11/m68hc11.c: Fix comment formatting. + * config/m68hc11/m68hc11.h: Likewise. + * config/m68hc11/m68hc11.md: Likewise. + +2001-11-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-typeck.c (default_conversion): Retain the original expression + codes. + * gcc.dg/Wparentheses.c: New tests. + +2001-11-01 David S. Miller <davem@redhat.com> + + * doc/install.texi (Specific, sparc-sun-solaris2*): Bring + 64-bit SPARC description more in line with reality. + +2001-11-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (GCOV_OBJS): Add version.o. + * gcov.c: Include "version.h" and <getopt.h>. + (gcov_version_string): Remove. + (print_usage): Take a parameter to determine whether this is a + call from --help or an error message. Give fuller output that + follows the GNU Coding Standards for --help. + (print_version): New function. + (options): New. + (process_args): Use getopt_long. Support long options. Follow + GNU Coding Standards for --help and --version. + * doc/gcov.texi: Document long options. + Addresses part of PR other/704. + +2001-11-01 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (output_move_double): Fix typo in double load. + +2001-11-01 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8300_encode_label): Compute a string + before passing it to ggc_alloc_string. + +2001-11-01 Kazu Hirata <kazu@hxi.com> + + * config/m68k/3b1.h: Fix comment formatting. + * config/m68k/3b1g.h: Likewise. + * config/m68k/a-ux.h: Likewise. + * config/m68k/amix.h: Likewise. + * config/m68k/apollo68.h: Likewise. + * config/m68k/atari.h: Likewise. + * config/m68k/aux-exit.c: Likewise. + * config/m68k/ccur-GAS.h: Likewise. + * config/m68k/crds.h: Likewise. + * config/m68k/dpx2.h: Likewise. + * config/m68k/dpx2g.h: Likewise. + * config/m68k/hp310.h: Likewise. + * config/m68k/hp320.h: Likewise. + * config/m68k/isi.h: Likewise. + * config/m68k/linux.h: Likewise. + * config/m68k/lynx.h: Likewise. + * config/m68k/m68k-psos.h: Likewise. + * config/m68k/m68k.c: Likewise. + * config/m68k/m68k.h: Likewise. + * config/m68k/m68k.md: Likewise. + * config/m68k/m68kelf.h: Likewise. + * config/m68k/m68kv4.h: Likewise. + * config/m68k/mot3300.h: Likewise. + * config/m68k/news.h: Likewise. + * config/m68k/next.h: Likewise. + * config/m68k/pbb.h: Likewise. + * config/m68k/plexus.h: Likewise. + * config/m68k/sgs.h: Likewise. + * config/m68k/sun3.h: Likewise. + * config/m68k/tower.h: Likewise. + * config/m68k/vxm68k.h: Likewise. + +2001-10-31 DJ Delorie <dj@redhat.com> + + * config/mips/mips.h (mips_cache_flush_func): Prototype. + (TARGET_OPTIONS): Support -mflush-func= and -mno-flush-func. + (INITIALIZE_TRAMPOLINE): Use mips_cache_flush_func if nonzero. + * config/mips/mips.c (mips_cache_flush_func): New. + * doc/invoke.texi: Document the new options. + +2001-10-31 Hans-Peter Nilsson <hp@axis.com> + + * config.gcc (cris-*-linux*, tm_file): Rearrange order. + * config/cris/linux.h (LIB_SPEC, STARTFILE_SPEC): Don't redefine. + + * config/cris/cris.h (EH_RETURN_DATA_REGNO): Fix formatting. + + * config/cris/cris.c: Include output.h after tree.h but before + target.h. + +2001-10-31 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (INTL_TARGETS, POSUB): Delete all references. + (INTL_SUBDIRS): Just intl. + (.SUFFIXES): Add .gmo .po .pox. + (native): Also depend on build-@POSUB@. + (intl.all, intl.install): Depend on config.h and things it includes. + (po-generated): New target; depend on c-parse.c and tradcif.c. + (install-normal): Also depend on install-@POSUB@. + (XGETTEXT, GMSGFMT, MSGMERGE, PACKAGE, CATALOGS): New variables. + (build-, install-, build-po, update-po, install-po, + .po.gmo, .po.pox, $(PACKAGE).pot, po/$(PACKAGE).pot): New rules. + + * aclocal.m4: Prefix each entry in CATALOGS with "po/" + * configure.in: Don't munge XGETTEXT. Don't generate + po/Makefile.in. + * configure: Regenerate. + + * exgettext: Delete. + * config/m68k/m68k.h: Add doc strings for -msky and -mnosky. + * objc/Make-lang.in: Replace $(INTL_TARGETS) with po-generated. + +2001-10-31 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (two anonymous patterns): New. + +2001-10-31 Aldy Hernandez <aldyh@redhat.com> + + * tree.h (tree_index): Add support for V16QI and V8HI. + (V8HI_type_node): New. + (V16QI_type_node): New. + + * tree.c (build_common_tree_nodes_2): Same. + + * c-common.c (type_for_mode): Same. + +2001-10-31 Kazu Hirata <kazu@hxi.com> + + * config/i386/att.h: Fix comment formatting. + * config/i386/beos-elf.h: Likewise. + * config/i386/bsd.h: Likewise. + * config/i386/bsd386.h: Likewise. + * config/i386/crtdll.h: Likewise. + * config/i386/cygwin.asm: Likewise. + * config/i386/cygwin.h: Likewise. + * config/i386/djgpp.h: Likewise. + * config/i386/freebsd-aout.h: Likewise. + * config/i386/freebsd.h: Likewise. + * config/i386/gas.h: Likewise. + * config/i386/i386-interix.h: Likewise. + * config/i386/i386-protos.h: Likewise. + * config/i386/i386.c: Likewise. + * config/i386/i386.h: Likewise. + * config/i386/i386.md: Likewise. + * config/i386/i386elf.h: Likewise. + * config/i386/interix.c: Likewise. + * config/i386/isc.h: Likewise. + * config/i386/isccoff.h: Likewise. + * config/i386/iscdbx.h: Likewise. + * config/i386/linux.h: Likewise. + * config/i386/lynx.h: Likewise. + * config/i386/mingw32.h: Likewise. + * config/i386/netbsd-elf.h: Likewise. + * config/i386/next.h: Likewise. + * config/i386/osf1elf.h: Likewise. + * config/i386/osfrose.h: Likewise. + * config/i386/sco5.h: Likewise. + * config/i386/seq-gas.h: Likewise. + * config/i386/seq-sysv3.h: Likewise. + * config/i386/sequent.h: Likewise. + * config/i386/sol2.h: Likewise. + * config/i386/sun386.h: Likewise. + * config/i386/uwin.asm: Likewise. + * config/i386/uwin.h: Likewise. + * config/i386/vxi386.h: Likewise. + * config/i386/win32.h: Likewise. + * config/i386/winnt.c: Likewise. + * config/i386/xm-cygwin.h: Likewise. + * config/i386/xm-mingw32.h: Likewise. + +2001-10-31 Kazu Hirata <kazu@hxi.com> + + * builtins.def: Fix comment typos. + * config/alpha.c: Likewise. + * config/arm/arm.c: Likewise. + * config/avr/avr.h: Likewise. + * config/d30v/d30v.c: Likewise. + * config/d30v/d30v.h: Likewise. + * config/d30v/d30v.md: Likewise. + * config/dsp16xx/dsp16xx.c: Likewise. + * config/fr30/fr30.c: Likewise. + * config/fr30/fr30.md: Likewise. + * config/i386/i386.c: Likewise. + * config/i860/i860.c: Likewise. + * config/i960/i960.c: Likewise. + * config/ia64/ia64.c: Likewise. + * config/mips/mips.c: Likewise. + * config/pa/pa.c: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/s390/s390.c: Likewise. + * config/sparc/sparc.c: Likewise. + +2001-10-30 Kazu Hirata <kazu@hxi.com> + + * config/mips/elf.h: Fix comment formatting. + * config/mips/elf64.h: Likewise. + * config/mips/iris5.h: Likewise. + * config/mips/iris5gas.h: Likewise. + * config/mips/iris6.h: Likewise. + * config/mips/isa3264.h: Likewise. + * config/mips/linux.h: Likewise. + * config/mips/mips.c: Likewise. + * config/mips/mips.h: Likewise. + * config/mips/mips.md: Likewise. + * config/mips/mips16.S: Likewise. + * config/mips/netbsd.h: Likewise. + * config/mips/osfrose.h: Likewise. + * config/mips/r3900.h: Likewise. + * config/mips/sni-svr4.h: Likewise. + * config/mips/svr4-t.h: Likewise. + * config/mips/ultrix.h: Likewise. + +2001-10-30 Daniel Berlin <dan@cgsoftware.com> + + * bitmap.c (bitmap_element_free): Don't forget to update head->indx + when we update head->current. + +2001-10-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * tree.c (id_string_size): Remove. + (dump_tree_statistics): Update. + * toplev.c (compile_file): If dumping stats, dump tree stats too. + +Tue Oct 30 19:00:43 CET 2001 Jan Hubicka <jh@suse.cz> + + * sched-rgn.c (schedule_insns): Fix comment. + +2001-10-30 Zack Weinberg <zack@codesourcery.com> + + * configure.in: Correct previous change: don't assume that + gas's version number _isn't_ the last thing on the line, or + isn't the only number on the line, either. + * configure: Regenerate. + +2001-10-30 Kazu Hirata <kazu@hxi.com> + + * cfgcleanup.c: Fix a comment typo. + +2001-10-30 Kazu Hirata <kazu@hxi.com> + + * alias.c: Fix comment formatting. + * recog.c: Likewise. + * config/cris/cris.c: Likewise. + * config/cris/cris.h: Likewise. + * config/i960/i960.c: Likewise. + * config/i960/i960.h: Likewise. + +2001-10-30 Kazu Hirata <kazu@hxi.com> + + * config/arm/arm.c: Fix a comment typo. + * config/arm/arm.h: Likewise. + * config/ia64/ia64.c: Likewise. + +2001-10-30 Jakub Jelinek <jakub@redhat.com> + + * emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or + REG_EQUIV notes for ASM_OPERANDS. Return the new note (if any). + * rtl.h (set_unique_reg_note): Change return value. + * gcse.c (try_replace_reg): Use set_unique_reg_note. + * cse.c (cse_insn): Likewise. + * expr.c (emit_move_insn): Likewise. + * explow.c (force_reg): Likewise. + * local-alloc (update_equiv_regs): Likewise. + * loop.c (move_moveables, load_mems): Likewise. + * reload (find_reloads): Likewise. + +2001-10-30 Paolo Bonzini <bonzini@gnu.org> + + Localization fixes. + * c-decl.c (parmlist_tags_warning, start_struct, + check_for_loop_decls): Separate messages for struct, union and + enum cases to allow for languages in which they have different + genders. + * c-format.c (scanf_flag_specs): Separate short and long name of + the assignment suppression feature. + (check_format_types): Localize "pointer" and "different types" + strings. + * c-lex.c (lex_number): Localize "an unsigned long int" and + related strings. + (lex_string) [MULTIBYTE_CHARS]: Use initial lowercase letter on + warning message. + * c-typeck.c (build_unary_up): Separate messages for increment and + decrement cases to allow for languages in which they use different + articles. Localize the strings "increment" and "decrement" in one + case. + +Tue Oct 30 11:08:11 CET 2001 Jan Hubicka <jh@suse.cz> + + * lcm.c (optimize_mode_switching): Do not rebuild liveness information + when no changes has been made. + + * gcse.c (reg_set_bitmap): Turn into reg_set. + (modify_mem_list_set, canon_modify_mem_list_set) + (clear_modify_mem_tables, free_modify_mem_tables): New. + (gcse_main); Use free_modify_mem_tables. + (free_gcse_mem): Likewise; free the bitmaps. + (alloc_gcse_main): Initialize the bitmaps. + (canon_list_insert): Set canon_modify_mem_list_set. + (record_last_mem_set_info): Likewise; set modify_mem_list_set. + (compute_hash_table): Use clear_modify_mem_tables. + (reset_opr_set_tables): Likewise. + (oprs_not_set_p): reg_set_bitmap is regset. + (mark_set, mark_clobber): Likewise. + + * df.h (DF_EQUIV_NOTES): New constant. + (df_insn_refs_record): Record uses inside or REG_EQUIV/EQUAL notes + when asked for. + + * sched-rgn.c (CHECK_DEAD_NOTES): New constant. + (init_regions, schedule_insns): Conditionalize the checking + code by CHECK_DEAD_NOTES; avoid multiple calls to update_life_info. + +Tue Oct 30 11:02:31 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movti_rex64 splitter): Fix condition. + +2001-10-29 Zack Weinberg <zack@codesourcery.com> + + * configure.in: Do not assume that gas's version number is the + last thing on the first line of as --version output. + * configure: Regenerate. + + * tradcpp.c: Include intl.h. Rename WARNING, ERROR, FATAL to + MT_WARNING, MT_ERROR, MT_FATAL. + (main): Call gcc_init_libintl. + (v_message): Call gettext on msgid and "warning: " + * tradcif.y: Include intl.h. + (yyerror): Make parameter definition consistent with + prototype. Call gettext on msgid argument. + +2001-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * combine.c (num_sign_bit_copies): Avoid signed/unsigned + warnings. + + * sparc/sol2.h: Include <sys/mman.h> when L_trampoline is defined. + +Mon Oct 29 19:22:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload1.c (eliminate_regs): Test for reg_renumber being allocated + before referencing it. + +2001-10-26 DJ Delorie <dj@redhat.com> + + * config/rs6000/sysv4.h (LINK_SPEC): Allow -msdata=none to + override -G, and force -G0. + +2001-10-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * ChangeLog.2, ChangeLog.3, ChangeLog.4, FSFChangeLog.10, + FSFChangeLog.11, c-common.c, c-common.def, c-common.h, c-decl.c, + c-dump.c, c-typeck.c, except.c, sdbout.c, simplify-rtx.c, + timevar.h, tree.h, varasm.c: Fix spelling errors and typos. + + * loop.h (struct induction): Rename ext_dependant to + ext_dependent. + * loop.c: Change all uses. + (check_ext_dependant_givs): Rename to check_ext_dependent_givs. + All callers changed. + * timevar.c (DEFTIMEVAR): Fix spelling of identifier__ parameter. + +2001-10-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (expr_no_commas, primary), c-typeck.c + (parser_build_binary_op): Use IS_EXPR_CODE_CLASS. + +2001-10-29 David Edelsohn <edelsohn@gnu.org> + + Undo assemble_name change in earlier patch. + +Mon Oct 29 21:11:40 2001 Nicola Pero <n.pero@mi.flashnet.it> + + * objc/objc-act.c (finish_message_expr): For the GNU runtime: when + determining the type of the receiver, do not check that TREE_CODE + of receiver is CALL_EXPR before calling receiver_is_class_object(). + (receiver_is_class_object): For the GNU runtime: recognize + the case that the receiver is self in a class method context. + Check that TREE_CODE of receiver is CALL_EXPR when checking that + the receiver is a call to objc_get_class. + +2001-10-29 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (floatunssisf2): Set subreg 0 of operand 2 to zero. + +Mon Oct 29 07:23:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (OBJS): Put all files in alphabetical order. + + * dwarf2out.c (add_const_value_attribute): Fix error in last + change. + +Mon Oct 29 12:43:06 CET 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (purge_all_dead_edges): Add update_life_p argument. + * cfgcleanup.c (merge_blocks): Update the life flag after merging; + fix warning. + * cfgrtl.c (purge_all_dead_edges): Allow updating of liveness. + (life_analysis): call purge_all_dead_edges after deleting noops. + (delete_noop_move): Do not purge CFG. + * toplev.c (rest_of_compilation): Update purge_all_dead_edges call. + +2001-10-28 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/aix31.h (ASM_OUTPUT_EXTERNAL): Use assemble_name. + * config/rs6000/darwin.h (RS6000_OUTPUT_BASENAME): Delete. + (ASM_GLOBALIZE_LABEL): Use assemble_name. + (ASM_OUTPUT_COMMON): Likewise. + * config/rs6000/rs6000.c (print_operand): Use assemble_name. + (rs6000_output_function_epilogue): Likewise. + (output_mi_thunk): Fix typo. + (rs6000_output_symbol_ref): Use assemble_name. + (output_toc): Likewise. + * config/rs6000/sysv4.h (RS6000_OUTPUT_BASENAME): Delete. + * config/rs6000/xcoff.h (RS6000_OUTPUT_BASENAME): Delete; + assemble_name calls STRIP_NAME_ENCODING. + (ASM_OUTPUT_LABEL): Use assemble_name. + (ASM_GLOBALIZE_LABEL): Likewise. + (ASM_DECLARE_FUNCTION_NAME): Likewise. + (ASM_OUTPUT_ALIGNED_COMMON): Indent pseudo-op. Use assemble_name. + (ASM_OUTPUT_LOCAL): Likewise. + +Sun Oct 28 15:45:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case. + (expand_builtin_apply, expand_builtin_return): Likewise. + (expand_builtin_va_arg, expand_builtin_va_copy): Likewise. + +2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk> + + * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4, + ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11, + c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc, + configure, configure.in, except.c, except.h, flow.c, function.c, + gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def, + predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c, + sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c, + unroll.c: Fix spelling errors. + + * doc/extend.texi, doc/invoke.texi: Fix spelling. + + * doc/gcc.texi: Document use of "dependent" and American spelling. + +Sun Oct 28 17:05:36 CET 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (emit_group_load): Support CONCATs by storing them to memory + and reloading. + +Sun Oct 28 09:59:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_constructor_field): Only call adjust_address on MEM. + +Sun Oct 28 16:48:09 CET 2001 Jan Hubicka <jh@suse.cz> + + * genrecog.c (write_switch): Output if before switch for + DT_elt_zero_wide_safe. + +2001-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (toplev.o, halfpic.o): Depend on halfpic.h + * i386/osfrose.h (SUBTARGET_SWITCHES): Add missing comma. + (FUNCTION_PROFILER): Const-ify. + * halfpic.c: Include "expr.h", "output.h" and "halfpic.h". + (eliminate_constant_term, assemble_name, output_addr_const): + Remove declarations. + (ptr_half_pic_address_p, half_pic_hash): Prototype. + (all_refs, half_pic_prefix, half_pic_hash, half_pic_declare, + half_pic_external, half_pic_address_p, half_pic_ptr): Const-ify. + * halfpic.h (ptr_half_pic_address_p, half_pic_finish): Prototype. + (half_pic_declare, half_pic_external): Const-ify. + * toplev.c: Include "halfpic.h". + +2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk> + + * config/alpha/alpha.md, config/arm/arm.c, config/arm/arm.h, + config/d30v/d30v.h, config/fr30/fr30.c, config/i370/x-oe, + config/i386/i386.c, config/i386/i386-interix.h, + config/i386/i386.md, config/i386/i386.h, config/i386/sco5.h, + config/i860/i860.h, config/i860/i860.md, config/m68k/aux-exit.c, + config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.md, + config/ns32k/ns32k.h, config/pa/pa.c, config/rs6000/rs6000.c, + config/sparc/sparc.c, config/m68hc11/m68hc11.c, + config/cris/cris.c, config/cris/cris.h, config/s390/s390.c, + config/s390/s390.h, config/stormy16/stormy16.h, doc/tm.texi: Fix + spelling errors. + + * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4, + ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS, + c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c, + collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h, + haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c, + regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c, + system.h, toplev.c: Fix spelling errors. + +Sat Oct 27 17:32:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (insert_insn_end_bb): Don't assume PAT is a SET. + + * dwarf2out.c (reg_number): Abort if pseudo. + (reg_loc_descriptor): Return 0 if pseudo. + (is_based_loc): Return 0 if pseudo. + (mem_loc_descriptor): Return 0 for pseudo and handle 0 return from + recursive calls. + (concat_loc_descriptor): Return 0 if either part's descriptor is 0. + (loc_descriptor): Return 0 if can't find location and handle 0 + return from recursive calls. + (loc_descriptor_from_tree): Likewise. + Fix handling of indirect. + Also return 0 for PLACEHOLDER_EXPR. + Clean up COMPONENT_REF cases. + (add_AT_location_descriptor): Simplify, but handle 0 return from + loc_descriptor. + (add_const_value_attribute): Avoid shift count warning. + (add_bound_info): Remove test for PLACEHOLDER_EXPR here. + Set comp_unit_die as context if not in function. + + * config/mips/mips-protos.h: Break up long lines. + Remove needless #ifdef/#endif blocks. + Don't declare functions declared in file made by genpreds or recog.h. + * config/mips/mips.c (mips_output_function_prologue): TSIZE + is now HOST_WIDE_INT; delete unneeded casts. + * config/mips/mips.h: Don't use #elif. + + * expr.c (stor_constructor_field): Always call adjust_address. + Copy TARGET before changing its alias set. + (store_field): Likewise, for TO_RTX. + (get_inner_reference): Stop at PLACEHOLDER_EXPR if can't find + replacement. + (safe_from_p, case ADDR_EXPR): Properly check for conflict. + (find_placeholder): Return 0 if can't find object. + (expand_expr, case PLACEHOLDER_EXPR): Abort if find_placeholder + returns 0. + +Sat Oct 27 16:31:23 CEST 2001 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (if_convert): Call clear_aux_for_blocks. + +Sat Oct 27 12:12:09 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (merge_blocks_move_predecessor_nojumps, + merge_blocks_move_successors_nojumps): Set BB_UPDATE_LIFE. + (merge_blocks): Properly udpate life after making edge nonfallthru. + * cfgrtl.c (merge_blocks_nomove): Update global_live_at_end. + +2001-10-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Remove redundant code. + +2001-10-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-typeck.c (convert_arguments): When comparing for enumeral + type equality, use TYPE_MAIN_VARIANT. + * gcc.dg/Wconversion.c: New tests. + +2001-10-26 Kazu Hirata <kazu@hxi.com> + + * s390/s390.c: Fix comment typos. + * s390/s390.h: Likewise. + * s390/s390.md: Likewise. + +2001-10-26 Alexandre Oliva <aoliva@redhat.com> + + * tree-inline.c (WALK_SUBTREE_TAIL): New macro. + (walk_tree): Use it for tail calls where appropriate. + +2001-10-26 Alexandre Oliva <aoliva@redhat.com> + + * cse.c (check_for_label_ref): Don't require REG_LABEL notes for + non-local label_refs. + +2001-10-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (4 anonymous patterns): New. + +2001-10-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Clean up. Return the + algorithm through the shift_info structure. + (emit_a_shift): Update the use of get_shift_alg. + +2001-10-27 Daniel Berlin <dan@cgsoftware.com> + + * sched-rgn.c: Remove bitset typedef. + Change bitset to sbitmap in prototypes / variable types. + Remove bbset_size. + Remove edgeset_bits. + Remove edgeset_size. + s/BITSET_ADD/SET_BIT/g + s/BITSET_INVERT/sbitmap_ones/g + s/BITSET_INTER/sbitmap_a_and_b/g + s/BITSET_UNION/sbitmap_a_or_b/g + s/BITSET_DIFFER/sbitmap_difference/g + s/bitset_member/TEST_BIT/g + (BITSET_*): Removed. + (bitset_member): Removed. + (extract_bitlst): Rewrite, now that we have sbitmaps, we can use + EXECUTE_IF_SET_IN_SBITMAP. + (split_edges): Rewrite, use sbitmap functions instead of bitset + operations. + (schedule_region): Allocate/free sbitmaps, rather than bitsets. + +2001-10-26 Andreas Schwab <schwab@suse.de> + + * reload1.c (emit_input_reload_insns): Fix parens in last + (undocumented) change that was supposed to change only whitespace. + +Fri Oct 26 07:18:08 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cfgcleanup.c (BB_SET_FLAG, BB_CLEAR_FLAG): Add cast to avoid warning. + + * local-alloc.c (update_equiv_regs): Don't make REG_EQUAL note for + ASM_OPERANDS. + +2001-10-26 Andreas Jaeger <aj@suse.de> + + * flow.c (clear_log_links): Remove unused variable. + * cfgcleanup.c (cleanup_cfg): Likewise. + +2001-10-26 Alexandre Oliva <aoliva@redhat.com> + + * tree-inline.c (remap_decl): Don't copy size and size_unit here. + (remap_save_expr): Map a remapped SAVE_EXPR to error_mark_node. + +2001-10-26 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (enum reg_class): Add R24_REG, R25_REG; + rename PV_REG to R27_REG. + (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update. + (REG_CLASS_FROM_LETTER): Update. + (PREFERRED_RELOAD_CLASS): Don't widen a reg class. + * config/alpha/alpha.md (divsi3): Don't hard-code r24, r25, r27. + (udivsi3, modsi3, umodsi3): Likewise. + (divdi3, udivdi3, moddi3, umoddi3): Likewise. + +2001-10-26 Richard Henderson <rth@redhat.com> + + * cfg.c (clear_aux_for_blocks): Split out of ... + (free_aux_for_blocks): here. + (clear_aux_for_edges): Split from ... + (free_aux_for_edges): here. + * basic-block.h: Declare them. + * lcm.c (compute_antinout_edge): Use them. + (compute_laterin, compute_available, compute_nearerout): Likewise. + (optimize_mode_switching): Likewise. + +2001-10-26 Richard Henderson <rth@redhat.com> + + * Makefile.in (unstage*): Remove as, ld, collect-ld before + moving everything back to the main build directory. + +2001-10-26 Christopher Faylor <cgf@redhat.com> + + * config/i386/cygwin.h: Search target specific include directory, if + appropriate. + +2001-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dwarf2out.c (PTR_SIZE, default_eh_frame_section): Move outside + of macro guards. Fix #endif comment. + + * output.h (default_exception_section, default_eh_frame_section): + Move prototypes outside of macro guard. + + * crtstuff.c: Fix #endif comment. + +Thu Oct 25 12:21:58 2001 Jeffrey A Law (law@cygnus.com) + + * doc/md.texi (movMM): Clarify semantics of storing into a + non-paradoxical SUBREG. + +2001-10-25 Zack Weinberg <zack@codesourcery.com> + + * langhooks.c (lang_hook_default_clear_binding_stack): New. + (lang_hook_default_get_alias_set): Move next to other alias + hooks. + * langhooks.h: Prototype lang_hook_default_clear_binding_stack. + (LANG_HOOKS_CLEAR_BINDING_STACK): New macro. + (LANG_HOOKS_INITIALIZER): Add it. + * toplev.h (struct lang_hooks): Add clear_binding_stack. + * toplev.c (compile_file): Call lang_hooks.clear_binding_stack + instead of a loop calling poplevel. + +2001-10-25 Nick Clifton <nickc@cambridge.redhat.com> + + * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Replace + occurrences of #elif with #if...#endif. + +2001-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cris.h (EH_RETURN_DATA_REGNO): Fix unsigned>=0 warning. + +Thu Oct 25 08:46:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (can_address_p): No longer static. + * emit-rtl.c (get_mem_attrs): New parameter, MODE; all callers changed. + Return 0 if all parameters are default values. + (set_mem_attributes): Set MEM_KEEP_ALIAS_SET_P. + (adjust_address_1): Try harder to compute a size. + * expr.c (expand_assignment, store_constructor): If can't address, + set MEM_KEEP_ALIAS_SET_P. + (store_constructor_field): Don't change set if MEM_KEEP_ALIAS_SET_P. + (store_field): Likewise. + (store_constructor): Simplify call to store_constructor_field. + * expr.h (can_address_p): New declaration. + * gensupport.c (gen_rtx_CONST_INT): New function. + * rtl.h (MEM_KEEP_ALIAS_SET_P): New macro. + (MEM_SIZE): Get size from mode, if not set and not BLKmode. + (MEM_COPY_ATTRIBUTES): Copy MEM_KEEP_ALIAS_SET_P. + + * stmt.c (expand_end_case): Remove orig_minval and use tree_low_cst. + +2001-10-24 Christopher Faylor <cgf@redhat.com> + + * config/i386/cygwin.h: Use proper path for mingw crt files when + -mno-cygwin. + +Wed Oct 24 18:43:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (file_info_cmp): Always return consistent results. + +2001-10-24 Roger Sayle <roger@eyesopen.com> + + * stmt.c (expand_end_case): Index jumptables from zero for + suitably small values of minval. + +2001-10-24 Jakub Jelinek <jakub@redhat.com> + + * stor-layout.c (place_union_field): If any field was aligned with + attribute aligned, set record type's TYPE_USER_ALIGN. + (place_field): Likewise. + (finalize_record_size): Don't clear TYPE_USER_ALIGN. + (layout_type) [ARRAY_TYPE]: Copy element's TYPE_USER_ALIGN. + +2001-10-24 Zack Weinberg <zack@codesourcery.com> + + * c-common.h (struct c_common_identifier): Remove rid_code field. + (C_RID_CODE): Use ->node.rid_code instead of ->rid_code. + + * c-typeck.c (constructor_designated): New local flag. + (struct constructor_stack): Add "designated" field to match. + (start_init): Clear it. + (really_start_incremental_init, push_init_level): Push and + clear it. + (pop_init_level): Pop it. + (set_designator): Set it. + + (pop_init_level): Suppress "missing initializer" warnings if + constructor_designated is true. + (process_init_element): Suppress warning about union + initialization under traditional C, if constructor_designated + is true. + +Wed Oct 24 15:35:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * integrate.c (copy_rtx_and_substitute, case CALL): Fix error in last + change. + +Wed Oct 24 13:26:12 2001 Jeffrey A Law (law@cygnus.com) + + * h8300.h (RETURN_ADDR_RTX): Remove old, incorrect definition. + +2001-10-24 Dan Nicolaescu <dann@ics.uci.edu> + + * ssa-ccp.c (ssa_ccp_substitute_constants): Don't do anything if + the node was already a set to a constant. + +Wed Oct 24 12:41:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (set_mem_attributes): Fix typo in last change. + * print-rtl.c (print_rtx, case MEM): Improve display of MEM_DECL. + +2001-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * s390/linux.h (ASM_OUTPUT_BYTE): Fix format specifier warnings. + (ASM_OUTPUT_ASCII): Const-ify. Fix signed/unsigned warning. + (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings. + * s390.c (s390_final_chunkify): Don't use string concatenation. + (s390_function_prologue, s390_function_epilogue): Const-ify. + * s390.h (FUNCTION_PROFILER): Remove unused variable. + +2001-10-24 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (finish_decl): Don't add DECL_STMTs for nested function + prototypes. + +2001-10-23 Stan Shebs <shebs@apple.com> + + * config/rs6000/x-darwin: Use -no-cpp-precomp instead of + -traditional-cpp in first-stage compilation. + +Tue Oct 23 21:45:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gensupport.c (target_flags): Add. + +Tue Oct 23 13:05:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu. + + * builtins.c (expand_builtin_setjmp): Only call convert_memory_address + if needed. + (expand_builtin_longjmp, expand_builtin_alloca): Likewise. + * except.c (expand_builtin_frob_return_addr): Likewise. + (expand_builtin_eh_return): Likewise. + * stmt.c (expand_computed_goto): Likewise. + * explow.c (memory_address): Likewise. + (allocate_dynamic_stack_space): Clean up predicate testing. + (probe_stack_range): Convert SIZE to Pmode. + * calls.c (rtx_for_function_call): Only call convert_memory_address + if needed. + Pass function call operand as ptr_mode, not Pmode. + * expr.c (expand_assignment): Clean up calls to convert_memory + address by only doing so when needed and making offsets Pmode. + (store_constructor, expand_expr, expand_expr_unaligned): Likewise. + * function.c (assign_parms): Ensure address in MEM for RESULT_DECL + is in Pmode, not ptr_mode. + +2001-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * darwin-protos.h (constructor_section, destructor_section, + mod_init_section, mod_term_section): Prototype. + * darwin.c (machopic_finish, update_non_lazy_ptrs, update_stubs): + Const-ify. + * darwin.h (ASM_DECLARE_OBJECT_NAME, ASM_DECLARE_FUNCTION_NAME): + Likewise. + (SECTION_FUNCTION): Prototype `FUNCTION'. Delete + objc_section_init declaration. + (EXTRA_SECTION_FUNCTIONS): Prototype objc_section_init. + (objc_section_init, try_section_alias): Make static. + (alias_section): Make static and hide unused function. + (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning. + +Tue Oct 23 13:05:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (can_address_p): Compnonents are not addressable if + the containing type has alias set 0. + (get_alias_set): Rework to use STRIP_NOPS. + Only call front-end routine on object, type, or object with + NOPs stripped, not inner values. + Use language hook to call front-end routine. + * builtins.c (get_memory_rtx): Always call set_mem_attributes. + (expand_builtin_apply): Call set_mem_align on MEMs we make. + Don't pass alignment to emit_block_move. + (expand_builtin_memcpy, expand_builtin_va_copy): Likewise. + (expand_builtin_memset): Likewise, but for clear_storage. + * c-common.c (lang_get_alias_set): Renamed to c_common_alias_set + and remove C++ specific parts. + * c-common.h (c_common_get_alias_set): Add declaration. + * c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro. + * calls.c (emit_call_1): Fix typo in sibcall_pop case. + (save_fixed_argument_area): Call set_mem_align. + Remove alignment in call to emit_block_move. + (emit_library_call_value_1, store_one_arg): Likewise. + (target_for_arg): Remove; disabled long ago. + * emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs + once and similar cleanups. + (offset_address): Use proper introductory comment. + * expr.c (emit_block_move): Use alignment from that of MEM args, not + from explicit operand; all callers changed. + (clear_storage): Likewise. + (expand_assignment): Don't call set_mem_alias_set on to_rtx. + (store_field): Remove kludge on alias set used for to_rtx. + (highest_pow2_factor, case *_DIV_EXPR): Never return 0. + (expand_expr_unaligned): Call set_mem_attributes instead of + set_mem_alias_set. + * expr.h (emit_block_move, clear_storage): Remove ALIGN argument. + * function.c (assign_stack_temp_for_type): Set MEM alignment. + (expand_function_end): Track MEM attributes of trampolines. + * ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM. + * integrate.c (copy_rtx_and_substitute, case CALL): Copy memory + attributes from original. + * langhooks.c (lang_hook_default_get_alias_set): New function. + (hook_get_alias_set_0): New function. + * langhooks.h (hook_get_alias_set_0): New declaration. + (lang_hook_default_get_alias_set): Likewise. + (LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer. + * reload1.c (alter_reg): Use adjust_address_nv. + * rtl.c (get_mode_alignment): Moved to here. + * rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and + change default if unknown from 1 to BITS_PER_UNIT. + * stor-layout.c (get_mode_alignment): Remove from here. + * toplev.h (struct lang_hoks): Add get_alias_set field. + * tree.h (lang_get_alias_set): Delete declaration. + * config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment. + * config/i386/i386.c (ix86_setup_incoming_varargs): Likewise. + (ix86_va_arg): Likewise. + * config/i960/i960.c (i960_setup_incoming_varargs): Likewise. + * config/pa/pa.c (hppa_builtin_saveregs): Likewise. + * config/sparc/sparc.c (sparc_va_arg): Likewise. + * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise. + (expand_block_move_mem): Remove dead code. + +2001-10-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (warn_div_by_zero): New. + * c-common.h (warn_div_by_zero): New. + * c-decl.c (c_decode_option): Take it on the command line. + * c-typeck.c (build_binary_op): Warn about division by zero. + * doc/invoke.texi: Document the new command line option, fix + documentation of -Wmultichar. + * testsuite/gcc.dg/divbyzero.c: New tests. + * testsuite/gcc.dg/noncompile/20010524-1.c: Update. + +Tue Oct 23 15:30:23 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_int_movcc): Cleanup; use expand_simple_*op. + + * toplev.c (rest_of_compilation): Use CLEANUP_UPDATE_LIFE + to avoid update_life_info call. + * basic-block.h (CLEANUP_UPATE_LIFE): Define. + * cfgcleanup.c (bb_flags): New enum. + (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG, FORWARDER_BLOCK_P): New macros. + (notice_new_block, update_forwarder_flag): New functions. + (try_simplify_condjump): Use FORWARDER_BLOCK_P. + (try_forward_edges): Likewise; update flags. + (merge_blocks): Likewise. + (outgoing_edges_match): Likewise. + (try_crossjump_to_edge): Likewise. + (try_optimize_cfg): Likewise; initialize and clear the flags; + recompute life info if needed. + (cleanup_cfg): No need to clear aux pointers. + +2001-10-23 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/i386.c (override_options): Default to minimum + stack alignment when optimizing for code size. + * doc/invoke.texi (-mpreferred-stack-boundary): Document the + change. + + * config/i386/i386.c (override_options): Set upper limit of + -mpreferred-stack-boundary to 12. + +2001-10-22 Zack Weinberg <zack@codesourcery.com> + + * recog.c (peephole2_optimize): Add default case to switch. + +2001-10-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi (Sending Patches): Remove. + +2001-10-22 Hans-Peter Nilsson <hp@bitrange.com> + + * unwind-dw2-fde.c (fde_unencoded_compare): Derefer pc_begin + fields when comparing. + +2001-10-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * arm.h (HOST_INT, HOST_UINT): Delete. Remove all uses. + * arm.c (HOST_INT, HOST_UINT): Likewise. + +2001-10-22 Stan Shebs <shebs@apple.com> + + * config/darwin-protos.h (darwin_exception_section): Declare. + (darwin_eh_frame_section): Declare. + +Mon Oct 22 18:21:25 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movti_rex64): Fix mode. + +2001-10-22 Stan Shebs <shebs@apple.com> + + * target.h (struct gcc_target): Add asm_out.exception_section, + asm_out.eh_frame_section. + * target-def.h (TARGET_ASM_EXCEPTION_SECTION): New macro. + (TARGET_ASM_EH_FRAME_SECTION): New. + (TARGET_INITIALIZER): Update. + * output.h (default_exception_section): Declare. + (default_eh_frame_section): Declare. + * dwarf2out.c: Include target.h. + (output_call_frame_info): Call target hook for eh frames. + (default_eh_frame_section): New function. + * except.c: Include target.h. + (output_function_exception_table): Call target hook for exception + section. + * varasm.c (default_exception_section): Rename from + exception_section, remove EXCEPTION_SECTION macro. + + * config/darwin.h (darwin_eh_frame_section): New function. + (EXCEPTION_SECTION): Remove. + (TARGET_ASM_EXCEPTION_SECTION): Define. + * config/nextstep.h (EH_FRAME_SECTION_ASM_OP): Remove. + (nextstep_exception_section): New function. + (nextstep_eh_frame_section): New function. + (TARGET_ASM_EXCEPTION_SECTION): Define. + (TARGET_ASM_EH_FRAME_SECTION): Define. + + * config/pa/som.h (EXCEPTION_SECTION): Remove. + (TARGET_ASM_EXCEPTION_SECTION): Define. + * config/rs6000/sysv4.h, config/rs6000/xcoff.h + (EXCEPTION_SECTION): Remove. + (TARGET_ASM_EXCEPTION_SECTION): Define. + * config/stormy16/stormy16.h: Remove comments referencing + EXCEPTION_SECTION and EH_FRAME_SECTION_ASM_OP. + + * doc/tm.texi: Document TARGET_ASM_EXCEPTION_SECTION and + TARGET_ASM_EH_FRAME_SECTION. + +2001-10-22 Nick Clifton <nickc@cambridge.redhat.com> + + * config/mips/mips.md (mul_acc_si): Fix precedence of conditional + terms. + + * c-format.c: Fix spelling typo in comment. + + * sched-int.h: Fix typo in GCC preamble. + +2001-10-21 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR debug/4252 + * doc/invoke.texi: Remove references to -fdump-translation-unit. + +2001-10-22 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_clear): New. + * config/i386/i386-protos.h: Declare it. + * config/i386/i386.md (setcc peep2s): Use it. + (movsi_xor): Unexport. + +2001-10-22 Richard Henderson <rth@redhat.com> + + * flow.c (clear_log_links): Use free_INSN_LIST_list, not + free_EXPR_LIST_list for LOG_LINKS. + +2001-10-21 Robert Lipe <robertlipe@usa.net> + + * config/i386/i386.c (sco_asm_named_section): Delete. + (sco_asm_out_constructor): Delete. + * config/i386/sco5.h (ASM_QUAD): Undo damage from att.h. + (ASM_OUTPUT_DOUBLE_INT): Likewise. + (TARGET_ASM_CONSTRUCTOR): Delete. Use default. + (TARGET_ASM_NAMED_SECTION): Use default for ELF. + (EXCEPTION_SECTION): Delete EH scn renaming hack. + +2001-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-format.c (maybe_read_dollar_number): Use safe-ctype macros + and/or fold extra calls into fewer ones. + * collect2.c (dump_file): Likewise. + * cppexp.c (parse_number): Likewise. + * cpplex.c (_cpp_lex_direct): Likewise. + * final.c (output_asm_insn, asm_fprintf): Likewise. + * fix-header.c (inf_scan_ident, main): Likewise. + * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix): + Likewise. + * fold-const.c (real_hex_to_f): Likewise. + * gen-protos.c (parse_fn_proto): Likewise. + * genattrtab.c (check_attr_test, check_attr_value): Likewise. + * genrecog.c (change_state, write_action): Likewise. + * gensupport.c (shift_output_template): Likewise. + * local-alloc.c (requires_inout): Likewise. + * mips-tfile.c (IS_ASM_IDENT): Likewise. + * protoize.c (is_id_char, main): Likewise. + * real.c (asctoeg): Likewise. + * recog.c (asm_operand_ok): Likewise. + * reload.c (find_reloads): Likewise. + * scan.c (scan_identget_token): Likewise. + * sched-vis.c (print_value): Likewise. + * stringpool.c (ggc_alloc_string): Likewise. + * toplev.c (read_integral_parameter, decode_g_option): Likewise. + * tradcif.y (parse_number, yylex, parse_escape): Likewise. + * tradcpp.c (rescan): Likewise. + * tree.c (clean_symbol_name): Likewise. + * varasm.c (decode_reg_name): Likewise. + + * alpha.h (ASM_OUTPUT_ASCII): Likewise. + * darwin.c (name_needs_quotes, func_name_maybe_scoped): Likewise. + * dsp16xx.h (ASM_OUTPUT_ASCII): Likewise. + * m88k.c (output_ascii): Likewise. + * m88k.h (OVERRIDE_OPTIONS): Likewise. + * mcore.h (REG_CLASS_FROM_LETTER): Likewise. + * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise. + * sh.h (REG_CLASS_FROM_LETTER): Likewise. + +2001-10-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * langhooks.c (lang_hook_default_do_nothing, + lang_hook_default_decode_option): New defaults. + * langhooks.h: Make hooks unconditional and non-NULL. + * toplev.c (compile_file, toplev_main): Update. + * toplev.h: Update comments. + * objc/objc-act.c (lang_hooks): Update to new paradigm. + +2001-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * arm.h (FUNCTION_ARG_REGNO_P): Use IN_RANGE. + + * system.h (IN_RANGE): New macro. + +2001-10-21 Zack Weinberg <zack@codesourcery.com> + + * aclocal.m4 (AM_WITH_NLS): Also create and substitute + INTLDEPS variable, which does not include $LIBICONV. + * Makefile.in: Use INTLDEPS in LIBDEPS. + * configure: Regenerate. + +2001-10-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char. + * cpplex.c (lex_percent, lex_dot): Remove. + (get_effective_char, skip_block_comment, skip_line_comment, + parse_identifier_slow, parse_number, parse_string, save_comment, + _cpp_lex_direct): Update to do lookback freely. + (IF_NEXT_IS, BACKUP): New macros. + * cpplib.c (cpp_push_buffer): Don't set read_ahead and extra_char. + * cppmacro.c (paste_tokens): Update. + +2001-10-20 Nick Clifton <nickc@cambridge.redhat.com> + + * doc/invoke.texi (i386 and x86-64 Options): Fix typo. + +2001-10-20 Hans-Peter Nilsson <hp@axis.com> + + * reload1.c (reload): Check CONSTANT_P before calling + LEGITIMATE_PIC_OPERAND_P. + * config/cris/cris.c (cris_legitimate_pic_operand): Revert + workaround of 2001-10-13. + +Sat Oct 20 15:16:10 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (split_di): Handle splitting of DFmode. + +Sat Oct 20 07:27:14 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (set_mem_attributes): Alignment is in bits. + (adjust_address_1, offset_address): Likewise. + + * final.c (output_asm_operand_names): New fcn, from output_asm_insn. + (output_asm_insn): Call it for each line output. + Don't record an operand more than once. + + * toplev.h (struct lang_hooks): HONOR_READONLY now bool. + * main.c: Include config.h and system.h, but not ansidecl.h. + * Makefile.in (main.o): Update accordingly. + +Sat Oct 20 12:05:31 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (SSE_REGPARM_MAX): Set to 8 for x86_64. + +Sat Oct 20 12:01:07 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (find_sub_basic_blocks): Use sbitmap parameter. + * cfgbuild.c (find_bb_boundaries, compute_outgoing_frequencies): + Break out from ... + (find_sub_basic_blocks): ... here; + (find_many_sub_basic_blocks): New. + * recog.c (split_all_insns): Update find_sub_basic_blocks call. + + * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Define sdata4. + + * i386.c (ix86_va_arg): Kill indirect_p handling; fix aliasing issues.: + + * i386.c (split_di, split_ti): Revamp to use simplify_subreg. + + * timevar.def (TV_LIFE, TV_LIFE_UPDATE, TV_MODE_SWITCH): new. + * flow.c (update_life_info): Measure time. + * c-decl.c: Include timevar.h + (c_expand_body): Measure time. + * toplev.c (rest_of_compilation): Measure time of mode switching + separately. + * Makefile.in (c-decl.o, cfgcleanup.o): Add dependency. + + * toplev.c (flag_asynchronous_unwind_tables): New global variable. + (lang_independent_options): Add asynchronous-unwind-tables + (toplev_main): flag_asynchronous_unwind_tables implies + flag_unwind_tables. + * flags.h (flag_asynchronous_unwind_tables): Declare. + * dwarf2out.c (dwarf2out_stack_adjust): Take into account + flag_asynchronous_unwind_tables. + (output_call_frame_info): Likewise. + * invoke.texi (-fasynchronous-unwind-tables): Document. + * i386.c (optimization_options): Enable + flag_asynchronous_unwind_tables. + + * i386.c (ix86_expand_setcc): Always expect target to be QImode. + * i386.md (s* expanders): Destination is QImode. + + * toplev.c (rest_of_compilation): Do not call clear_log_links. + * rtl.h (clear_log_links): Kill. + * flow.c (clear_log_links): Make static; accept blocks parameter; + do no clear life info. + (update_life_info): Call clear_log_links. + + * cfganal.c (forwarder_block_p): Avoid active_insn_p calls. + +2001-10-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (handle_newline, skip_escaped_newlines, + get_effective_char, skip_block_comment, skip_line_comment, + parse_identifier_slow, parse_number, parse_string, + _cpp_lex_direct): Update to do more stepping back. + (trigraph_ok): Similarly. Rename trigraph_p. + (SAVE_STATE, RESTORE_STATE): Remove. + (BUFF_SIZE_UPPER_BOUND): Tweak. Add sanity check. + + * cpplib.c (destringize): Rename destringize_and_run, and + call run_directive directly. + (_cpp_do__Pragma): Simplify. + +2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * pe.c (arm_pe_unique_section): Const-ify. + * pe.h (TARGET_ASM_NAMED_SECTION): Undef before defining. + (switch_to_section): Add static prototype. + + * output.h (drectve_section): Prototype. + +2001-10-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config.gcc (i[34567]86-*-gnu*, arc-*-elf*, d30v-*, + fr30-*-elf, hppa*64*-*-linux*, parisc*64*-*-linux*, hppa*-*-linux*, + parisc*-*-linux*, i370-*-linux*, i[34567]86-*-chorusos*, + i[34567]86-*-elf*, i[34567]86-ncr-sysv4*, i[34567]86-*-netware, + i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*, + i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-freebsd*, + i[34567]86-*-netbsdelf*, i[34567]86-*-linux*libc1, + i[34567]86-*-linux*, i[34567]86-moss-msdos*, i[34567]86-*-moss*, + i[34567]86-go32-rtems*, i[34567]86-*-rtems*, i[34567]86-*-rtemself*, + i[34567]86-*-solaris2*, i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, + i[34567]86-*-udk*, i[34567]86-*-osf1*, i[34567]86-dg-dgux*, + i860-alliant-*, i860-*-sysv4*, ia64*-*-aix*, ia64*-*-linux*, + ia64*-*-hpux*, m32r-*-elf*, m88k-dg-dgux*, m88k-*-sysv4*, mcore-*-elf, + mips*-*-linux*, mn10200-*-*, mn10300-*-*, pj*-linux*, pjl-*, + powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*, + powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*, + powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*, + powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*, + powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*, + powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*, + rs6000-*-mach*, s390-*-linux*, s390x-*-linux*, sh-*-elf*, + sh-*-rtemself*, sh-*-rtems*, sh-*-linux*, stormy16-*-elf, + v850-*-rtems*, v850-*-*, x86_64-*-linux*), cris-*-aout, cris-*-elf, + cris-*-none, cris-*-linux*: Update ${tmfile} list. + (c4x-*-rtems*, c4x-*, i[34567]86-go32-rtems*, i[34567]86-*-rtemscoff*, + i[34567]86-*-rtems*, i[34567]86-*-rtemself*, i[34567]86-*-osf1*, + mn10200-*-*, mn10300-*-*, powerpc-*-beos*, powerpc-*-darwin*, + powerpc-wrs-vxworks*, powerpcle-wrs-vxworks*, v850-*-rtems*, + v850-*-*): Delete superflous ${cpu_type} setting. + * config/linux.h: Delete svr4.h include. + (SET_ASM_OP): Delete. + * config/netware.h (INT_ASM_OP): Undef before define. + * config/ptx4.h: Delete elfos.h include. + (PREFERRED_DEBUGGING_TYPE): Undef instead of wrapping. + * config/svr4.h: Delete elfos.h include. Update commentary. + * config/arc/arc.h, config/d30v/d30v.h, config/fr30/fr30.h, + config/m32r/m32r.h, config/m88k/sysv4.h, config/mn10200/mn10200.h, + config/mn10200/mn10300.h, config/stormy16/stormy16.h, + config/v850/v850.h: Delete svr4.h include. + * config/i370/linux.h, config/i386/osf1elf.h, config/m68k/linux.h, + config/m68k/m68kv4.h, config/m88k/sysv4.h, + config/sparc/sysv4.h: Update includes. + * config/i386/beos-elf.h, config/i386/netware.h, config/i386/ptx4-i.h, + config/i386/rtemself.h, config/i386/sol2.h, config/i386/sysv4.h, + config/i386/sysv5.h, config/i386/udk.h, config/ia64/linux.h, + config/m88k/dguxbcs.h: Delete includes. + * config/i386/dgux.h, config/i386/osf1elfgdb.h: Delete include. + (PREFERRED_DEBUGGING_TYPE): Undef before defining it. + * config/i860/fx2800.h (ASM_OUTPUT_SOURCE_LINE): Undef before defining + it. + * config/m88k/dgux.h: Delete include. + (SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE): Undef before + defining it. + * config/pj/pj.h (ASM_GENERATE_INTERNAL_LABEL, + ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Undef before defining it. + * config/sh/elf.h: Update include. + (SDB_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE, + DWARF2_ASM_LINE_DEBUG_INFO): Move behind includes. + +2001-10-19 Catherine Moore <clm@redhat.com> + + * config/stormy16/stormy-abi: Updates to varargs descriptions. + * config/stormy16/stormy16.c (stormy16_build_va_list): Reverse + base and count fields. + (stormy16_expand_builtin_va_start): last_reg_count changed to + size_of_reg_args. Use count + size in first comparison. + +Fri Oct 19 15:24:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * langhooks.h (LANG_HOOKS_HONOR_READONLY): New macro. + * toplev.h (struct lang_hooks): New field HONOR_READONLY. + * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGING_P from + TREE_READONLY and TYPE_READONLY if lang_hooks.honor_readonly. + Set alignment from type if INDIRECT_REF. + (adjust_address_1, offset_address): Simplify alignment compuitation. + * expr.c (expand_expr, case INDIRECT_REF): Don't set RTX_UNCHANGING_P + here; done by set_mem_attributes. + +2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (rtlanal.o): Depend on $(TM_P_H). + * arm-protos.h (rdata_section, zero_init_section, common_section): + Prototype. + * arm.h (ASM_OUTPUT_DEF_FROM_DECLS): Const-ify. + * avr.h (ASM_OUTPUT_SKIP): Rename macro parameter to avoid + traditional mode stringification. + * function.c (thread_prologue_and_epilogue_insns): Wrap variable + in macros controling its use. + * rtlanal.c: Include tm_p.h. + * varasm.c (asm_output_aligned_bss): Mark parameter with + ATTRIBUTE_UNUSED. + (assemble_constant_align, assemble_start_function, assemble_align, + assemble_variable, assemble_trampoline_template, + output_constant_def_contents): Wrap potentially empty if-stmt body + in brackets. + +2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * a29k-protos.h (literal_section): Prototype. + * a29k.h (ASM_FILE_START): Don't discard pointer qualifier. + * a29k.md: Ensure function pointers are prototyped. + * genattrtab.c (write_eligible_delay): Mark parameter with + ATTRIBUTE_UNUSED. + +2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED. + * 1750a.c (print_operand): Fix format specifier warning. + * 1750a.h (ASM_FILE_START): Don't discard pointer qualifier. + * 1750a.md: Likewise. + * gcc.c (init_gcc_specs): Wrap with ENABLE_SHARED_LIBGCC. + * genemit.c (output_add_clobbers): Mark parameter with + ATTRIBUTE_UNUSED. + * genrecog.c (write_subroutine): Likewise. + * integrate.c (expand_inline_function): Delete unused variable. + * varasm.c (remove_from_pending_weak_list): Wrap with + ASM_WEAKEN_LABEL. + +2001-10-19 Jakub Jelinek <jakub@redhat.com> + + * simplify-rtx.c (simplify_plus_minus): Negate constant iff its neg + field is different to previous argument's neg field. + + * config/alpha/alpha.c (summarize_insn): Don't abort on ASM_INPUT. + +Fri Oct 19 15:24:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * final.c (get_decl_from_op): New function. + (output_asm_insn): Call it; write "*" when item with decl is address. + +2001-10-19 Janis Johnson <janis187@us.ibm.com> + + * doc/install.texi (Specific, sparc-sun-solaris2*) Copy documentation + about 64-bit support from the 3.0_branch version. + +2001-10-19 Zack Weinberg <zack@codesourcery.com> + + * aclocal.m4 (AM_WITH_NLS): AC_DEFINE HAVE_LIBINTL_H and + USE_INCLUDED_LIBINTL when appropriate. + * configure, config.in: Regenerate. + * Makefile.in (datadir): Set to @datadir@. + (intl.o): Also depend on $(CONFIG_H) and system.h. + + * intl.c: Factor out common gettext initialization sequence. + (gcc_init_libintl): New function. + * intl.h: Include intl/libgnuintl.h if USE_INCLUDED_LIBINTL; + otherwise include libintl.h if HAVE_LIBINTL_H; otherwise turn + off NLS. Add multiple include guard. No need to #ifdef-guard + an #undef. Prototype gcc_init_libintl here. + + * collect2.c (main), cppmain.c (general_init), gcc.c (main), + gcov.c (main), protoize.c (main), toplev.c (toplev_main): + Use gcc_init_libintl. + +2001-10-19 Catherine Moore <clm@redhat.com> + + * config/stormy16/stormy16.h (ASM_COMMENT_START): Define. + + * config/stormy16/stormy16.c (stormy16_split_move): Make + sure that REG_INC notes are present for auto_inc operands. + +2001-10-19 Andreas Jaeger <aj@suse.de> + + * configure: Regenerated. + * configure.in: Add x86_64 to switch statements. + +2001-10-18 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (sibcall_osf_1): Load destination + address into $27 explicitly. + (sibcall_value_osf_1): Likewise. + +Thu Oct 18 16:07:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (gen_reg_rtx): Also reallocate reg_decl array. + (offset_address): New function. + (free_emit_status): Free regno_decl. + (init_emit): Pass proper number of elements to xcalloc. + Allocate regno_decl. + (mark_emit_status): Mark regno_decl values. + * expr.c (highest_pow2_factor): New function. + (expand_assigment): Use it and offset_address. + Properly handle ptr_mode vs. Pmode in offset calculation. + (store_constructor, expand_expr_unaligned): Likewise. + (expand_expr, case COMPONENT_EXPR): Likewise. + * expr.h (offset_address): New decl. + * function.h (struct emit_status): Add regno_decl. + (REGNO_DECL): New macro. + * final.c (output_asm_name): Move in file and don't conditionalize + on flag_print_asm_name. + (output_asm_insn): Only call output_asm_name if flag_print_asm_name. + Output names of operands, if known. + * function.c (assign_parms): Set REGNO_DECL. + * integrate.c (integrate_decl_tree): Likewise. + * stmt.c (expand_decl): Likewise. + * regclass.c (reg_scan_mark_refs): Propagate REGNO_DECL for copies. + +2001-10-18 Alexandre Oliva <aoliva@redhat.com> + + * attribs.c (handle_noinline_attribute): New function. + (handle_used_attribute): Likewise. + (c_common_attribute_table): Added noinline and used. + * doc/extend.texi (Function Attributes): Document them. + * c-decl.c (duplicate_decls): Propagate DECL_UNINLINABLE. + Warn when merging inline with attribute noinline. + (start_decl, start_function): Warn if inline and attribute + noinline appear in the same declaration. + +2001-10-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * config.gcc: Update c4x and i370 for C front end-specific + dependencies. + * config/c4x/c4x-c.c: New. + * config/c4x/c4x-protos.h (c4x_handle_pragma): Remove. + (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree): + New declarations. + * config/c4x/c4x.c: Don't include c-lex.h or c-pragma.h. + (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree): + Make extern. + (c4x_init_pragma): Remove. + (c4x_parse_pragma, c4x_pr_CODE_SECTION, c4x_pr_DATA_SECTION, + c4x_pr_FUNC_IS_PURE, c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, + c4x_pr_ignored): Move to c4x-c.c. + * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Update. + * config/c4x/t-c4x: Update. + * config/i370/i370-c.c: New. + * config/i370/i370.c: Don't include c-lex.h or c-pragma.h. + (i370_pr_map): Move to i370-c.c. + * config/i370/t-i370: New. + + * doc/tm.texi: Update. + +2001-10-17 Stan Shebs <shebs@apple.com> + + * config/rs6000/rs6000.c: Make assorted mechanical formatting and + typo fixes throughout. + (machopic_output_stub): Remove some dead code. + +2001-10-17 Richard Earnshaw <rearnsha@arm.com> + + * cpplex.c (_cpp_get_buff): Fix off-by-one error that caused memory + leak. + +Wed Oct 17 05:26:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (print-rtl.o): Depend on TREE_H. + * alias.c (get_alias_set): Make two passes over objects to first + see if inner object is access via restricted pointer. + Defer allocating alias set for restricted pointer until here. + Call find_placeholder with second arg nonzero. + Minor cleanups. + * c-common.c (c_apply_type_quals_to_decl): Defer getting alias + set for restricted pointer types. + * emit-rtl.c (set_mem_attributes): Set more attributes. + (set_mem_align, change_address, adjust_address_1): New functions. + (change_address_1): Now static. + (adjust_address, adjust_address_nv): Deleted. + (replace_equiv_address): Call change_address_1. + * expr.c (get_inner_reference): Handle PLACEHOLDER_EXPR. + (find_placeholder): Get starting point from PLIST arg. + (expand_expr, case PLACEHOLDER_EXPR): Initialize find_placeholder arg. + * expr.h (set_mem_align, change_address, adjust_address_1): New decls. + (adjust_address, adjust_address_nv): New macros. + * print-rtl.c (tree.h): New include. + (print_rtx, case MEM): Print all memory attributes. + +2001-10-17 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (direct_call_operand): Don't fall off end. + +2001-10-16 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * c-tree.texi: Eliminate duplicated word. + * cpp.texi: Likewise. + * install.texi: Likewise. + * invoke.texi: Likewise. + * tm.texi: Likewise. + +2001-10-17 Michael Collison <collison@isisinc.net> + + * dsp16xx.c: Fix comment formatting to match GNU standards. + (dsp16xx_output_function_prologue): Change type of 'size' + parameter from 'int' to HOST_WIDE_INT. + (dsp16xx_output_function_epilogue): Change type of 'size' + parameter from 'int' to HOST_WIDE_INT. + +2001-10-16 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_GOTOFF_IN_DATA): New x86 check. + * configure, config.in: Rebuild. + + * config/i386/i386.c (ix86_output_addr_vec_elt): New. + (ix86_output_addr_diff_elt): New. + * config/i386/i386.h (ASM_OUTPUT_ADDR_VEC_ELT): Use them. + (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. + (JUMP_TABLES_IN_TEXT_SECTION): New. + * config/i386/i386.md (tablejump): Handle HAVE_AS_GOTOFF_IN_DATA. + * config/i386/i386-protos.h: Update. + + * config/i386/386bsd.h, config/i386/beos-elf.h, + config/i386/freebsd-aout.h, config/i386/freebsd.h, + config/i386/i386-interix.h, config/i386/i386elf.h, + config/i386/linux.h, config/i386/netbsd-elf.h, + config/i386/netbsd.h, config/i386/openbsd.h, + config/i386/ptx4-i.h, config/i386/rtemself.h, + config/i386/sco5.h, config/i386/sysv4.h, config/i386/x86-64.h + (ASM_OUTPUT_ADDR_DIFF_ELT, JUMP_TABLES_IN_TEXT_SECTION): Remove. + +2001-10-16 Florian Weimer <fw@deneb.enyo.de> + + * stmt.c (expand_asm_operands): Update commentary. + +2001-10-16 Stan Shebs <shebs@apple.com> + + * config/darwin.h (GCC_NAME): Remove, no longer used. + (NO_MATH_LIBRARY): Ditto. + (MATH_LIBRARY): Define to emptiness. + (DWARF2_DEBUGGING_INFO): Define. + (PREFERRED_DEBUGGING_TYPE): Define. + (EXTRA_SECTION_FUNCTIONS): Add darwin_exception_section. + (EXCEPTION_SECTION): Define. + (ASM_PREFERRED_EH_DATA_FORMAT): Define. + * config/darwin.c (darwin_encode_section_info): Handle case of + DECL_INITIAL being error_mark_node. + +2001-10-16 Richard Henderson <rth@redhat.com> + + * alpha.c (current_file_function_operand): Don't fail for profiling. + (direct_call_operand): New. + * alpha-protos.h: Declare it. + * alpha.h (EXTRA_CONSTRAINT): Use it. + (PREDICATE_CODES): Add it. + (ASM_OUTPUT_MI_THUNK): Remove. + * alpha32.h (ASM_OUTPUT_MI_THUNK): Remove. + * alpha.md (sibcall_osf_1, sibcall_value_osf_1): Add 's' alternative. + +2001-10-16 Krister Walfridsson <cato@df.lth.se> + + * config/i386/netbsd-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define. + (JUMP_TABLES_IN_TEXT_SECTION): Define. + +Wed Oct 17 00:21:31 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cfg.c (free_edge): Break out from .... + (remove_edge): ... here. + (clear_edges): Use free_edge. + + * att.h (ASM_QUAD): Add comment. + * bsd.h, sco5.h, sun386.h (ASM_QUAD): Define. + +Wed Oct 17 00:01:02 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (split_ti): New function. + (ix86_split_to_parts): Support TImodes. + * i386.h (VALID_INT_MODE_P): Add TImode. + * i386.md (movdi splitter): Fix. + (movti): Support 64bit integer registers. + (movti_rex64): New function and splitter. + + * i386.c (*_cost): Add movsx/movzx cost. + * i386.h (struct processor_costs): Add movsx/movzx fields. + (RTX_COSTS): Handle zero/sign extend + avoid believing that + 64bit operations require split on 64bit machine. + (CONST_COST): Make large 64bit constants expensive on 64bit compilation. + + * i386.c (ix86_setup_incoming_varargs): Fix mode of PLUS. + (ix86_expand_move): Avoid pushes of memory if size does not match; + move long constants to register. + (x86_initialize_trampoline): Fix mode. + * i386.h (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): + Use ASM_QUAD on 64bit. + * i386.md (test pattern): Disallow impossible constants. + (tablejump PIC expander): Fix emitting of sum. + (movdicc_rex64): Rename to movdicc. + * linux64.h (LINK_SPEC): Add missing '%'. + +2001-10-16 Alexandre Oliva <aoliva@redhat.com> + + * tree-inline.c (inlinable_function_p): Leave it up to the + front-end to turn -finline-functions into DECL_INLINE set for all + functions. + +2001-10-16 Stan Shebs <shebs@apple.com> + + * config/rs6000/darwin.h (ASM_COMMENT_START): Define. + +2001-10-16 Alan Modra <amodra@bigpond.net.au> + + * recog.c: Formatting and comment typo fixes. + + * configure.in (gcc_cv_as_bfd_srcdir): New. Use it to find gas + version in single tree build. + * configure: Regenerate. + +2001-10-15 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.md (cr_logical): Swap order of CODE and + MODE arguments to gen_rtx and compare operand with const0_rtx. + +2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * system.h: Poison old unused target macros. + * config/dsp16xx.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove. + * config/stormy16/stormy16.c: Update references to obsolete macros. + * config/stormy16/stormy16.h: Similarly. + * config/stormy16/stormy16.md: Similarly. + * config/cris/cris.h: Similarly. + +2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (struct pragma_entry): Store the name as a hashnode. + (lookup_pragma_entry, insert_pragma_entry, do_pragma, + cpp_register_pragma): Update accordingly. + +2001-10-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-pragma.h (cpp_register_pragma_space): Remove. + * cpplib.h (cpp_register_pragma_space): Remove. + * cpplib.c (lookup_pragma_entry, insert_pragma_entry): New. + (cpp_register_pragma_space): Remove. + (cpp_register_pragma): Simplify using lookup_pragma_entry, + add sanity checks. + (do_pragma): Similarly. + (_cpp_init_internal_pragmas): Don't register namespaces. + + * config/v850/v850.h (REGISTER_TARGET_PRAGMAS): + Don't register namespaces. + * cp/lex.c (init_cp_pragma): Similarly. + * doc/tm.texi: Update. + +2001-10-10 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR c/4157 + * config/i386/cygwin.h: Add missing space to MINGW_INCLUDES + +2001-10-13 Michael Collison <collison@dhcp-12-114.townisp.com> + + * config/dsp16xx/dsp16xx.md: Rewrite for more efficient code and + add scheduling support. + * config/dsp16xx/dsp16xx.h: Rewrite for more efficient code. + * config/dsp16xx/dsp16xx.c: Rewrite for more efficient code. + * config/dsp16xx/dsp16xx-protos.h: Add new function prototypes. + + +2001-10-13 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_legitimate_pic_operand): Kludge around + missing CONSTANT_P test in core GCC. + +2001-10-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (struct printer): New member source. + (scan_translation_unit): Fix spacing at start of lines. + (cb_line_change): Update. + + * gcc.dg/cpp/spacing2.c: New test. + +2001-10-12 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/arit.c: Use __builtin_labs, not abs. + + * config/cris/cris.h (SET_STRIPPABLE_EXECUTABLE): Don't define. + + * config/cris/cris.c (cris_target_asm_function_epilogue): Move + misplaced sprintf and fprintf argument. + +2001-10-12 Zack Weinberg <zack@codesourcery.com> + + * ABOUT-NLS, aclocal.m4: Update i18n framework from gettext 0.10.40. + * configure.in, Makefile.in: Take out obsolete check-po logic. + * configure, config.in: Regenerate. + +2001-10-12 Ziemowit Laski <zlaski@apple.com> + + * objc/objc-act.c (finish_objc): Correct precondition for emitting + symtab declarations. + +2001-10-12 Stan Shebs <shebs@apple.com> + + * config/rs6000/rs6000.c: Remove uses of "register" specifier in + declarations of arguments and local variables. + +2001-10-12 Christopher Faylor <cgf@redhat.com> + + * config/i386/cygwin.h: Revert erroneous checkin of crtbegin and + ENDFILE_SPEC definition. + +2001-10-12 Kazu Hirata <kazu@hxi.com> + + * gthr-dce.h: Fix comment formatting. + * gthr-posix.h: Likewise. + * gthr-single.h: Likewise. + * gthr-solaris.h: Likewise. + * gthr-vxworks.h: Likewise. + * gthr-win32.h: Likewise. + +2001-10-12 Jakub Jelinek <jakub@redhat.com> + + * final.c (output_asm_insn): Make sure assembly dialects are + terminated, not nested. Output `|' and `}' characters if they + don't appear inside assembly dialect selection. + * config/i386/i386.md (rep_movdi_rex64, rep_movsi, rep_movsi_rex64, + rep_movqi, rep_movqi_rex64, rep_stosdi_rex64, rep_stossi, + rep_stossi_rex64, rep_stosqi, rep_stosqi_rex64, strsetsi_1, + strsetsi_rex_1): Add {} braces. + +2001-10-11 Zack Weinberg <zack@codesourcery.com> + + * toplev.c (compile_file): Ignore return value from yyparse. + Always pop any nested binding levels after yyparse returns. + +2001-10-11 Richard Henderson <rth@redhat.com> + + * doc/c-tree.texi (Expression trees): Add VTABLE_REF. + +2001-10-11 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (add_const_value_attribute): If long < HOST_WIDE_INT, + fall back to add_AT_long_long for large CONST_INT. + +2001-10-11 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md (setcc splitters): Add four splitters to + simplify compound compares that simplify_comparison can't handle. + +2001-10-11 Zack Weinberg <zack@codesourcery.com> + + * cpplex.c (digraph_spellings, token_spellings): Make static. + +2001-10-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * unroll.c (loop_iterations): Fixup last patch. + +2001-10-11 Richard Henderson <rth@redhat.com> + + * rtl.h (REG_VTABLE_REF): New. + * rtl.c (reg_note_name): Add it. + * combine.c (distribute_notes): Handle it. + * final.c (final_scan_insn): Handle it. + * tree.def (VTABLE_REF): New. + * expr.c (expand_expr): Handle it. + * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): New. + * output.h: Declare them. + +2001-10-11 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look + for a DECL_INITIAL. + +2001-10-11 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only + available in 64-bit mode. + +2001-10-11 Hans-Peter Nilsson <hp@axis.com> + + * config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none, + cris-*-linux* cases. + * config/cris/cris-protos.h: New file. + * config/cris/cris.c: New file. + * config/cris/cris.h: New file. + * config/cris/cris.md: New file. + * config/cris/linux.h: New file. + * config/cris/aout.h: New file. + * config/cris/arit.c: New file. + * config/cris/cris_abi_symbol.c: New file. + * config/cris/mulsi3.asm: New file. + * config/cris/t-aout: New file. + * config/cris/t-cris: New file. + * config/cris/t-elfmulti: New file. + * config/cris/t-linux: New file. + * doc/invoke.texi: Add CRIS options. + * doc/install.texi (Specific): Add blurb for CRIS. + +2001-10-10 Hartmut Schirmer <SchirmerH@Innovative-Systems.de> + + * config/float-i128.h: Make sure __STDC__VERSION__ is defined + before using it. + * config/float/i32.h: Likewise. + * config/float-i386.h: Likewise. + * config/float-i64.h: Likewise. + * config/float-m68k.h: Likewise. + * config/float-sh.h: Likewise. + * config/float-sparc.h: Likewise. + +2001-10-11 Hans-Peter Nilsson <hp@axis.com> + + * doc/contrib.texi: Add note about CRIS port to my entry. + +2001-10-11 Kazu Hirata <kazu@hxi.com> + + * basic-block.h: Fix formatting. + * bitmap.h: Likewise. + * cpplib.h: Likewise. + * c-tree.h: Likewise. + * diagnostic.h: Likewise. + * flags.h: Likewise. + * ggc.h: Likewise. + * longlong.h: Likewise. + * real.h: Likewise. + * reload.h: Likewise. + * rtl.h: Likewise. + * tree.h: Likewise. + +2001-10-10 Richard Henderson <rth@redhat.com> + + * c-parse.in (asm_operand): Allow named operands. + * genconfig.c (max_recog_operands): Set to 29. + * local-alloc.c (requires_inout): Skip multiple digits. + * recog.c (asm_operand_ok): Likewise. + (preprocess_constraints): Use strtoul for matching constraints. + (constrain_operands): Likewise. + * regmove.c (find_matches): Likewise. + * reload.c (find_reloads): Likewise. + * stmt.c (parse_output_constraint): Don't reject in-out + constraint on operands > 9. Reject '[' in constraint. + (expand_asm_operands): Handle named operands. Use strtoul + for matching constraints. + (check_operand_nalternatives): Split out from expand_asm_operands. + (check_unique_operand_names): New. + (resolve_operand_names, resolve_operand_name_1): New. + + * doc/extend.texi (Extended Asm): Document named operands. + * doc/md.texi (Simple Constraints): Document matching constraints + on operands > 9. + +2001-10-10 Richard Henderson <rth@redhat.com> + + * combine.c (try_combine): Handle a SEQUENCE of one insn. + + * i386.c (test splitter): Narrow tests vs paradoxical subregs. + (jcc splitters): Add two splitters to simplify compound compares + that simplify_comparison can't handle. + +2001-10-10 Richard Henderson <rth@redhat.com> + + * langhooks.c: Include langhooks.h. + * Makefile.in (langhooks.o): Depend on it. + +Wed Oct 10 23:49:06 EDT 2001 John Wehle (john@feith.com) + + * rtlanal.c (noop_move_p): Insns with a REG_RETVAL note + should not be considered as a no-op. + * flow.c (delete_noop_moves): Handle REG_LIBCALL notes. + +2001-10-10 Stan Shebs <shebs@apple.com> + + * alias.c: Remove uses of "register" specifier in declarations + of arguments and local variables. + * c-common.c: Ditto. + * c-convert.c: Ditto. + * c-decl.c: Ditto. + * c-format.c: Ditto. + * c-semantics.c: Ditto. + * c-typeck.c: Ditto. + * caller-save.c: Ditto. + * calls.c: Ditto. + * cfg.c: Ditto. + * cfgbuild.c: Ditto. + * cfgrtl.c: Ditto. + * collect2.c: Ditto. + * combine.c: Ditto. + * convert.c: Ditto. + * cppexp.c: Ditto. + * cppfiles.c: Ditto. + * cse.c: Ditto. + * dbxout.c: Ditto. + * defaults.h: Ditto. + * df.c: Ditto. + * dwarf2out.c: Ditto. + * dwarfout.c: Ditto. + * emit-rtl.c: Ditto. + * explow.c: Ditto. + * expmed.c: Ditto. + * expr.c: Ditto. + * final.c: Ditto. + * fix-header.c: Ditto. + * floatlib.c: Ditto. + * flow.c: Ditto. + * fold-const.c: Ditto. + * function.c: Ditto. + * gcc.c: Ditto. + * gcse.c: Ditto. + * gen-protos.c: Ditto. + * genattrtab.c: Ditto. + * gencheck.c: Ditto. + * genconfig.c: Ditto. + * genemit.c: Ditto. + * genextract.c: Ditto. + * genflags.c: Ditto. + * gengenrtl.c: Ditto. + * genoutput.c: Ditto. + * genpeep.c: Ditto. + * genrecog.c: Ditto. + * gensupport.c: Ditto. + * global.c: Ditto. + * gmon.c: Ditto. + * graph.c: Ditto. + * haifa-sched.c: Ditto. + * hard-reg-set.h: Ditto. + * hash.c: Ditto. + * integrate.c: Ditto. + * jump.c: Ditto. + * lists.c: Ditto. + * local-alloc.c: Ditto. + * loop.c: Ditto. + * mips-tdump.c: Ditto. + * mips-tfile.c: Ditto. + * optabs.c: Ditto. + * prefix.c: Ditto. + * print-rtl.c: Ditto. + * read-rtl.c: Ditto. + * real.c: Ditto. + * recog.c: Ditto. + * reg-stack.c: Ditto. + * regclass.c: Ditto. + * regmove.c: Ditto. + * reload.c: Ditto. + * reload1.c: Ditto. + * reorg.c: Ditto. + * resource.c: Ditto. + * rtl.c: Ditto. + * rtlanal.c: Ditto. + * scan.c: Ditto. + * sched-deps.c: Ditto. + * sched-rgn.c: Ditto. + * sdbout.c: Ditto. + * simplify-rtx.c: Ditto. + * stmt.c: Ditto. + * stor-layout.c: Ditto. + * toplev.c: Ditto. + * tradcif.y: Ditto. + * tradcpp.c: Ditto. + * tree.c: Ditto. + * unroll.c: Ditto. + * varasm.c: Ditto. + * xcoffout.c: Ditto. + +2001-10-10 Richard Henderson <rth@redhat.com> + + * rtl.h (can_reverse_comparison_p): Remove. + +2001-10-10 Christopher Faylor <cgf@redhat.com> + + * config/i386/cygwin.h: Avoid adding include files if -nostdinc is + used. + +2001-10-10 Danny Smith <danny_r_smith_2001@yahoo.co.nz> + + * config/i386/mingw32.h (WIN32_NO_ABSOLUTE_INST_DIRS): New define. + (Thanks to Chris Faylor for suggesting macro name). + (CPP_PREDEFINES): Define __MINGW32__ but don't set value; add more + WIN32 defines. + (STANDARD_INCLUDE_DIR): Remove i386- from directory name. + (STANDARD_INCLUDE_COMPONENT): Change to MINGW. + (MATH_LIBRARY): Undef before definition. + (OUTPUT_QUOTED_STRING): Likewise. + * config/i386/cygwin.h: Use WIN32_NO_ABSOLUTE_INST_DIRS. + +2001-10-10 Richard Henderson <rth@redhat.com> + + * unwind-dw2-fde.c (fde_compare_t): Change return type to int. + (fde_unencoded_compare): Likewise. Don't use subtraction to get + a tristate comparison value. + (fde_single_encoding_compare, fde_mixed_encoding_compare): Likewise. + +2001-10-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + PR c++/4512 + * unroll.c (loop_iterations): Ignore insns generated by loop + unrolling. + + * config.gcc (mips*-*-gnu*): Delete support. + * config/mips/gnu.h: Remove. + +2001-10-10 Kazu Hirata <kazu@hxi.com> + + * calls.c: Fix formatting. + * c-decl.c: Likewise. + * cfgcleanup.c: Likewise. + * combine.c: Likewise. + * cppfiles.c: Likewise. + * cpplib.c: Likewise. + * cppmacro.c: Likewise. + * crtstuff.c: Likewise. + * cse.c: Likewise. + * dwarf2out.c: Likewise. + * expmed.c: Likewise. + * expr.c: Likewise. + * fold-const.c: Likewise. + * function.c: Likewise. + * gcse.c: Likewise. + * genattrtab.c: Likewise. + * ggc-page.c: Likewise. + * integrate.c: Likewise. + * libgcc2.c: Likewise. + * loop.c: Likewise. + * optabs.c: Likewise. + * profile.c: Likewise. + * protoize.c: Likewise. + * real.c: Likewise. + * recog.c: Likewise. + * reload1.c: Likewise. + * reload.c: Likewise. + * reorg.c: Likewise. + * resource.c: Likewise. + * sched-rgn.c: Likewise. + * sdbout.c: Likewise. + * stmt.c: Likewise. + * toplev.c: Likewise. + * varasm.c: Likewise. + +2001-10-10 Janis Johnson <janis187@us.ibm.com>, Alexandre Oliva <aoliva@redhat.com> + + * langhooks.c: Include rtl.h, insn-config.h and integrate.h. + * Makefile.in (langhooks.o): Add dependencies. + +Wed Oct 10 00:41:29 EDT 2001 John Wehle (john@feith.com) + + * rs6000.c (rs6000_emit_load_toc_table): Don't + strdup the toc label. + (create_TOC_reference): Likewise. + +2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz> + + * config.gcc (i[34567]86-*-mingw32*): Make msvcrt-dependent + version default. + +2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz> + + * config/i386/i386.c (ix86_attribute_table): Correct + min_len, max_len fields for dllimport, dllexport and shared. + +2001-10-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi, + doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: + Consistently use "nonzero" instead of "non-zero". + +2001-10-09 Kazu Hirata <kazu@hxi.com> + + * acconfig.h: Fix comment formatting. + * c-dump.h: Likewise. + * c-tree.h: Likewise. + * conditions.h: Likewise. + * expr.h: Likewise. + * function.h: Likewise. + * gthr.h: Likewise. + * hwint.h: Likewise. + * integrate.h: Likewise. + * intl.h: Likewise. + * loop.h: Likewise. + * optabs.h: Likewise. + +2001-10-09 Kazu Hirata <kazu@hxi.com> + + * c-common.h: Fix comment formatting. + * c-dump.c: Likewise. + * cfg.c: Likewise. + * diagnostic.h: Likewise. + * except.c: Likewise. + * gcc.h: Likewise. + * gcov-io.h: Likewise. + * genattrtab.c: Likewise. + * output.h: Likewise. + * predict.h: Likewise. + * reload1.c: Likewise. + * reload.h: Likewise. + * resource.h: Likewise. + * scan.h: Likewise. + * system.h: Likewise. + * tree.h: Likewise. + * tree-inline.c: Likewise. + * tsystem.h: Likewise. + * varasm.c: Likewise. + * xcoffout.h: Likewise. + +2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Document preference for "nonzero" over "non-zero". + +2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * config/alpha/freebsd.h, config/alpha/lib1funcs.asm, + config/i386/i386elf.h, config/i386/netbsd-elf.h, + config/i386/netware.h, config/mcore/gfloat.h, + config/mcore/mcore.c, config/mcore/mcore.h, config/mcore/mcore.md, + config/netware.h, gccbug.in: Update FSF address. + +2001-10-09 Kazu Hirata <kazu@hxi.com> + + * c-common.c: Fix comment typos. + * cfgrtl.c: Likewise. + * collect2.c: Likewise. + * cpplex.c: Likewise. + * doloop.c: Likewise. + * dwarf2out.c: Likewise. + * dwarfout.c: Likewise. + * expr.c: Likewise. + * fold-const.c: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * gcse.c: Likewise. + * global.c: Likewise. + * ifcvt.c: Likewise. + * loop.c: Likewise. + * optabs.c: Likewise. + * protoize.c: Likewise. + * regclass.c: Likewise. + * reorg.c: Likewise. + * rtl.h: Likewise. + * stmt.c: Likewise. + * tree.h: Likewise. + * doc/cpp.texi: Likewise. + * doc/c-tree.texi: Likewise. + * doc/extend.texi: Likewise. + * doc/invoke.texi: Likewise. + * doc/objc.texi: Likewise. + * doc/tm.texi: Likewise. + +2001-10-08 Richard Henderson <rth@redhat.com> + + * varasm.c (set_named_section_flags): Initialize "declared". + +2001-10-08 Robert Lipe <robertlipe@usa.net> + + * varasm.c (struct in_named_entry): Add declared. + (named_section_first_declaration): New function. + (default_elf_asm_named_section): Use it. + * output.h (named_section_first_declaration): New. + +2001-10-08 Richard Henderson <rth@redhat.com> + + * i386.md (movsi_xor): Export. + (setcc peep2): Use it when available; add an alternative to + match zero_extendhisi2_and. + +2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * romp-protos.h (romp_initialize_trampoline): New function. + * romp.c (romp_initialize_trampoline): Likewise. + * romp.h (INITIALIZE_TRAMPOLINE): Define in terms of + romp_initialize_trampoline. + +2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * m68k/3b1.h (ASM_OUTPUT_SOURCE_LINE): Don't reference `last_linenum'. + * m68k/auxas.h (ASM_OUTPUT_SOURCE_LINE): Likewise. + * m68k/crds.h (ASM_OUTPUT_SOURCE_LINE): Likewise. + * m68k/mot3300.h (ASM_OUTPUT_SOURCE_LINE): Likewise. + +2001-10-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * unroll.c (loop_iterations): Extend check for multiple back edges. + +2001-10-08 Alexandre Oliva <aoliva@redhat.com> + + * langhooks.h: New file. + * Makefile.in (OBJS): Added langhooks.o. + (c-lang.o): Depend on langhooks.h. + (c-common.o): Don't depend on tree-inline.h. + (tree-inline.o): Depend on toplev.h. + (langhooks.o): New rule. + * c-common.c: Don't include tree-inline.h. + (c_mark_lang_decl): Mark argument c as unused. + (c_common_lang_init): Don't initialize hooks here. + * c-lang.c: Include langhooks.h, then override some macros. + (lang_hooks): Initialize with macros in langhooks.h. + (c_init): Don't initialize hooks here. + * toplev.c (struct lang_hooks_for_tree_inlining): New struct. + (struct lang_hooks): Add tree_inlining. Refer to langhooks.h. + * tree-inline.c: Include toplev.h. Don't define hook variables. + * tree-inline.h: Don't define hook types nor declare hook + variables. Move macros to... + * langhooks.c: ... new file, as functions. Adjust all callers. + +2001-10-08 Jeffrey A Law <law@cygnus.com> + + * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call + purge_mem_unchanging_flag on all instructions, not just on those + before NOTE_INSN_FUNCTION_BEG. + +2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (_cpp_create_definition): Leave comments off. + + * doc/cpp.texi: Update. + +2001-10-08 DJ Delorie <dj@redhat.com> + + * c-decl.c (grokfield): Make sure the only unnamed fields + we're allowing are either structs or unions. + * doc/extend.texi: Add documentation for the unnamed field + extension. + +2001-10-08 Zack Weinberg <zack@codesourcery.com> + + * aclocal.m4 (gcc_AC_PROG_GNAT): New. + * configure.in: Use it. + * configure: Regenerated. + * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64, + config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS. + +2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (open_file): Don't mark zero-length files + never-reread here. Don't output diagnostics here either. + (stack_include_file): Mark them never-reread here. + (_cpp_read_file): Update. + +2001-10-08 Richard Henderson <rth@redhat.com> + + * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New. + +2001-10-08 Richard Henderson <rth@redhat.com> + + * expr.c (store_expr): When converting a CONST_INT for storage + in a SUBREG, convert it to both SUBREG modes before stripping + the SUBREG. + +2001-10-08 Richard Henderson <rth@redhat.com> + + * varasm.c (restore_varasm_status): New. + * function.h: Declare it. + * function.c (pop_function_context_from): Call it. + +2001-10-08 Richard Henderson <rth@redhat.com> + + * c-common.h (struct c_lang_decl): Add declared_inline. + * c-tree.h (DECL_DECLARED_INLINE_P): New. + * c-lang.c (c_disregard_inline_limits): Use it. + * c-decl.c (duplicate_decls): Likewise. + (pushdecl, redeclaration_error_message): Likewise. + (pushdecl): Allocate DECL_LANG_SPECIFIC if needed. + (grokdeclarator): Likewise. Set DECL_DECLARED_INLINE_P. + Set DECL_INLINE if -finline-functions. + (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here. + +2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (funlike_invocation_p): Move some logic to caller + in enter_macro_context. Create a padding token in its own context + if necessary when the search for '(' fails. + (enter_macro_context): Update. + +2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c, + genmultilib, toplev.c: Fix spelling errors of "separate" as + "seperate", and corresponding spelling errors of related words. + +2001-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_setjmp_receiver): Const-ify. + * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length): + Likewise. + * c-dump.c (dump_option_value_info): Likewise. + * c-format.c (format_length_info, format_char_info, + format_flag_spec, format_flag_pair, format_kind_info): Likewise. + * collect2.c (names): Likewise. + * cppdefault.h (default_include): Likewise. + * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise. + * flow.c (life_analysis): Likewise. + * gcc.c (dir_separator_str, modify_target, option_map, + target_option_translations, spec_list_1, extra_specs_1, + init_spec): Likewise. + * gcov.c (gcov_version_string): Likewise. + * genattr.c (write_units): Likewise. + * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise. + * gengenrtl.c (rtx_definition, defs): Likewise. + * genrecog.c (pred_table): Likewise. + * global.c (global_alloc): Likewise. + * lcm.c (optimize_mode_switching): Likewise. + * local-alloc.c (find_free_reg): Likewise. + * params.h (param_info): Likewise. + * predict.c (predictor_info): Likewise. + * protoize.c (unexpansion_struct): Likewise. + * real.c (bmask): Likewise. + * recog.h (insn_operand_data, insn_data): Likewise. + * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise. + * stmt.c (expand_nl_goto_receiver): Likewise. + * toplev.c (da, debug_args, lang_opt, documented_lang_options, + target_switches, target_options): Likewise. + * tradcif.y (token, tokentab2, yylex): Likewise. + * tree.h (attribute_spec): Likewise. + + * alpha.c (override_options, alpha_lookup_xfloating_lib_func): + Likewise. + * arc.c (arc_output_function_epilogue): Likewise. + * arm.c (processors, all_cores, all_architectures, + arm_override_options, isr_attribute_arg, isr_attribute_args, + arm_isr_value): Likewise. + * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc): + Likewise. + * c4x.c (c4x_int_reglist): Likewise. + * d30v.c (override_options): Likewise. + * h8300.c (shift_insn): Likewise. + * i386.c (size_cost, i386_cost, i486_cost, pentium_cost, + pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost, + ix86_expand_sse_comi, ix86_expand_sse_compare, override_options, + builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg, + ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise. + * i386.h (processor_costs, ix86_cost): Likewise. + * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise. + * m68hc11.h (processor_costs, m68hc11_cost): Likewise. + * m68k.c (codes_68881, codes_FPA): Likewise. + * m88k.c (mode_from_align, max_from_align, all_from_align, + best_from_align, m_options): Likewise. + * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise. + * mcore.c (mode_from_align): Likewise. + * mips/elf64.h (UNIQUE_SECTION): Likewise. + * mips/iris6gld.h (UNIQUE_SECTION): Likewise. + * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise. + * mips.h (mips_regno_to_class): Likewise. + * ns32k.c (scales): Likewise. + * pa.c (import_string, magic_milli): Likewise. + * rs6000.c (alt_reg_names, rs6000_override_options): Likewise. + * sparc.c (leaf_reg_remap, sparc_override_options, + reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders): + Likewise. + * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise. + +2001-10-07 Dale Johannesen <dalej@apple.com> + + * reload1.c (reload_reg_free_p): Teach register interference + checking that multiple output reloads are emitted in + reverse order. + reload1.c (reload_reg_reaches_end_p): Ditto. + reload1.c (reloads_conflict): Ditto. + +2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and + NULL_TREE inside @code. + +2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Document consistent style of "32-bit", + "Objective-C", and "@code{NULL}". + +2001-10-06 Zack Weinberg <zack@codesourcery.com> + + * cpplex.c (enum spell_type): Add SPELL_NUMBER. + (cpp_token_len, cpp_spell_token, cpp_output_token, + _cpp_equiv_tokens): Handle it. + * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and + CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF. + * cppexp.c (_cpp_parse_expr): Use the correct operator code in + error messages. + +Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcc.c (default_compilers): Remove .ada. + +2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +2001-10-06 Zack Weinberg <zack@codesourcery.com> + + * gcc.c (main): Set this_file_error if the appropriate + compiler for a language has not been installed. + +2001-10-06 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set. + +2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * gccbug.in (CATEGORIES): Add ada. + +2001-10-05 Catherine Moore <clm@redhat.com> + + * config/stormy16/stormy-abi: Document abi changes. + * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine. + (ICALL_REGS): New register class. + (NUM_ARGUMENT_REGISTERS): Now 6. + (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs + in registers. + (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS. + * config/stormy16.md (call_internal, call_value_internal, + indirect_jump): Use new 'z' constraint. + +2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +2001-10-05 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (FRAME_BEGIN_LABEL): New. + (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and + the gas section-name-as-label feature. + +2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode + to ensure valid SImode constants. + +2001-10-05 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (c-decl.o): Depend on tree-inline.h. + (c-lang.o): Likewise, as well as insn-config.h and integrate.h. + * c-decl.c: Include tree-inline.h. + (c_expand_body): Call optimize_inline_calls. Determine whether + a function is inlinable upfront, and only clear + DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't. + * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h. + (c_disregard_inline_limits): New function. + (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise. + (c_post_options): Enable tree inlining if inlining is enabled. + Don't inline trees when instrumenting functions. + (c_init): Initialize lang_disregard_inline_limits and + lang_cannot_inline_tree_fn. + * tree-inline.c (initialize_inlined_parameters): Handle calls + with fewer arguments than declared parameters, and fewer + parameters than passed arguments. Don't assume value is a + DECL. + (declare_return_variable): Convert return value back to the + original type, if it was promoted. + (tree_inlinable_function_p): New function. + (inlinable_function_p): Don't look at DECL_INLINE if we're + inlining all functions. Make it work with a NULL id. + Re-check DECL_UNINLINABLE after language-specific checks. + * tree-inline.h (tree_inlinable_function_p): Declare it. + * integrate.c (save_for_inline): Don't bother to prepare argvec + when not inlining. + * cse.c (check_for_label_ref): Don't check deleted labels. + + * Makefile.in (tree-inline.o): Depend on newly-included headers. + * tree-inline.c: Include headers needed for the functions moved in. + (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c. + (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise. + (copy_body, initialize_inlined_parameters): Likewise. + (declare_return_variable, inlinable_function_p): Likewise. + (expand_call_inline, expand_calls_inline): Likewise. + (optimize_inline_calls, clone_body): Likewise. + (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c. + (copy_tree_r, remap_save_expr): Likewise. + +2001-10-04 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (OBJS): Added tree-inline.o. + (c-common.o): Depend on tree-inline.h. + (tree-inline.o): New target. + * c-common.c: Include tree-inline.h. + (c_mark_lang_decl): Don't mark saved_tree. + (c_common_lang_init): Set lang_anon_aggr_type_p. + * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h. + (struct c_lang_decl): Moved saved_tree to tree_decl. + * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs. + * integrate.h (function_attribute_inlinable_p): Declare it. + * integrate.c (function_attribute_inlinable_p): Export it. + * tree-inline.c: New file. Define variables declared in... + * tree-inline.h: New file. Declare functions to be moved to + tree-inline.c. Define macros and declare types and hooks for + language-specific tree inlining. + (flag_inline_trees): Moved definition from cp/decl2.c. + * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h. + (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h. + (struct tree_decl): Moved saved_tree from c_lang_decl and + inlined_fns from C++'s lang_decl. + +2001-10-04 Loren J. Rittle <ljrittle@acm.org> + + * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which + propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS. + +2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +2001-10-04 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.c (init_cumulative_args): Remember to set + cum->prototype. + * config.gcc: Redo linux configuration. Add target_cpu_default + of soft-float to all mipsisa32 combinations and tx39. + * config/mips/linux.h: Remove include of mips.h. + +2001-10-03 Loren J. Rittle <ljrittle@acm.org> + + * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS, + HOST_LDFLAGS and HOST_CPPFLAGS. + +2001-10-03 Ziemowit Laski <zlaski@apple.com> + + * c-parse.in (objc_inherit_code, objc_pq_context, + objc_public_flag): Make static. + (objc_interface_context, objc_implementation_context, + objc_method_context, objc_ivar_chain, objc_ivar_context): Move to + global tree array in objc/objc-act.[ch]. + (methoddef): Remove unnecessary code. + + * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry): + Hoist struct definitions to objc-act.h. + (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count, + cat_count): Place declaration in objc-act.h. + (objc_tree_index): Move enumeration to objc-act.h. + (objc_global_trees): Place declaration and macro accessors in + objc-act.h. + (implementation_context): Remove duplicate; use + objc_implementation_context instead: + (method_context): Remove duplicate; use objc_method_context + instead. + (objc_ellipsis_node, objc_method_prototype_template, + implemented_classes, function_type): Move global vars to + objc_global_trees. + (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE. + (build_message_expr): Move actual construction of ObjC message + send nodes to finish_message_expr. + (finish_message_expr): New routine, contains code formerly in + build_message_expr. + * objc/objc-act.h (finish_message_expr): New prototype. + (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove + declarations; these vars are now part of objc_global_trees. + (objc_tree_index, objc_global_trees): Move definitions from + objc-act.c. + * objc/objc-tree.def: Update copyright info. + +Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com) + + * dwarf2asm.c (unaligned_integer_asm_op): Abort if + op is NULL. + * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use + only if TARGET_ARCH64. + +2001-10-02 Bernd Schmidt <bernds@redhat.com> + + * doc/extend.texi: Fix some problems with previous checkin. + * doc/invoke.texi: Likewise. + +2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h: Update comments. + (cpp_context): Update. + (spec_nodes): Remove n__Pragma. + * cppinit.c (cpp_create_reader): Update. + (builtin_array): Add _Pragma. + * cpplib.h: Update comments. + (NODE_DISABLED, BT_PRAGMA): New. + (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes. + * cppmacro.c (struct cpp_macro): Remove disabled. + (builtin_macro): Return int, handle _Pragma, push the new token + on the context stack. + (funlike_invocation_p): Unconstify, update. + (enter_macro_context): Handle builtins here. + (replace_args, push_token_context, push_ptoken_context): + Update for prototype changes. + (_cpp_pop_context): Update. + (cpp_get_token): Don't handle buitins, nor _Pragma here. + (cpp_sys_macro_p): Update. + (_cpp_free_definition): Clear disabled flag. + (_cpp_create_definition): Upate. + * cppmain.c: Update comments. + +Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>, + Andreas Jaeger <aj@suse.de>, + Jan Hubicka <jh@suse.cz> + + * doc/invoke.texi (i386 Options): Document x86-64 options. + (i386 and x86-64 Options): Rename i386 options section. + + * config/i386/i386.h (TARGET_UNWIND_INFO): New. + (TARGET_SWITCHES): Add -munwind-info. + (MASK_NO_UNWIND_INFO): New. + (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for + biarch compilation. + (ASM_OUTPUT_DOUBLE_INT): New. + + * config/i386/linux64.h: New spec file for Linux x86-64 support. + * config.gcc: Fix tm_file settings for x86-64. + * config/i386/x86-64.h: New file with OS independent x86-64 + definitions. + * config/i386/biarch64.h: New file used to configure compiler + to biarch/64bit compilation. + + * config/i386/i386.c: (override_options): Set flags default + for 64bit compilation. + +Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (legitimize_pic_address): Add missing bits of 64bit support. + (ix86_expand_int_movcc): Optimize DImode conditional moves with + constants on x86_64. + (ix86_attr_length_immediate_default): Support MODE_DI. + * i386.md (fixdi splitter): Add missing "&& 1" in splitter + condition. + (indirect_jump, tablejump): Turn into expander. + +2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (c_format_attribute_table): Make format and + format_arg attributes apply to function types rather than to + decls. + (is_valid_printf_arglist): Construct an attribute list and pass + that to check_function_format rather than a name. + * c-common.h (check_function_format): Adjust prototype. + * c-decl.c (duplicate_decls): Preserve attributes from type of + built-in decl when allowing for harmless conflict in types. + * c-format.c (record_function_format, + record_international_format, function_format_list, + international_format_info, international_format_list): Remove. + (function_format_info): Remove next, name and assembler_name. + Make format_num and first_arg_num be unsigned HOST_WIDE_INT. + (decode_format_attr): New. + (handle_format_attribute): Handle receiving a type rather than a + decl. Call decode_format_attr. Store format information in a + function_format_info. + (handle_format_arg_attribute): Correct comment. Handle receiving + a type rather than a decl. Use unsigned HOST_WIDE_INT for + arg_num. + (check_format_info_recurse, check_format_info_main): Take argument + numbers as unsigned HOST_WIDE_INT. + (check_function_format): Take a list of attributes from the + function type rather than a name or assembler name. Check for + format attributes in that list and the attributes on the type of + the current function rather than looking through + function_format_list. + (check_format_info): Use unsigned HOST_WIDE_INT for argument + numbers. + (check_format_info_recurse): Take format_arg attributes from the + type of the function calls rather than using + international_format_list. Allow for multiple format_arg + attributes. + * c-typeck.c (build_function_call): Pass type attributes to + check_function_format rather than name or assembler name. Don't + require there to be a name or assembler name to check formats. + +2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * attribs.c (decl_attributes): Possibly call + insert_default_attributes to insert default attributes on + functions in a lazy manner. + * builtin-attrs.def: New file; define the default format and + format_arg attributes. + * c-common.c (c_format_attribute_table): Move to earlier in the + file. + (c_common_nodes_and_builtins): Initialize format_attribute_table. + (enum built_in_attribute, built_in_attributes, + c_attrs_initialized, c_init_attributes, + c_common_insert_default_attributes): New. + (c_common_lang_init): Don't initialize format_attribute_table. Do + call c_init_attributes. + * Makefile.in (c-common.o): Depend on builtin-attrs.def. + * c-common.h (init_function_format_info): Don't declare. + (c_common_insert_default_attributes): Declare. + * c-decl.c (implicitly_declare, builtin_function): Call + decl_attributes. + (init_decl_processing): Don't call init_function_format_info. + (insert_default_attributes): New. + * c-format.c (handle_format_attribute, + handle_format_arg_attribute): Be quiet about inappropriate + declaration when applying default attributes. + (init_function_format_info): Remove. + * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN. + (insert_default_attributes): Declare. + +2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94. + +2001-10-01 Jim Wilson <wilson@redhat.com> + + * sched-deps.c (add_dependence): When elide conditional dependence, + check that insn doesn't modify cond2. + +2001-10-01 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.h (enum processor_type): Add support + for 7400 (G4) and 7450. + (RTX_COSTS): Ditto. + * config/rs6000/rs6000.c (rs6000_override_options): Ditto. + (rs6000_issue_rate): Ditto. + (rs6000_adjust_cost): Fix cycle counts for compares. + (debug_stack_info): Fix an obvious typo. + * config/rs6000/rs6000.md: Add functional units for 7400 and 7450. + * doc/invoke.texi: Document. + * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable + for Darwin. + (PROCESSOR_DEFAULT): Ditto. + +2001-10-01 Loren J. Rittle <ljrittle@acm.org> + + * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC. + (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for + later recursive make invocation. + +2001-10-01 Hans Boehm <boehm@acm.org> + + * optabs.c (emit_libcall_block): When using non-call exceptions, + don't add REG_LIBCALL reg notes to trapping calls. + +2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com> + + * flow.c (propagate_block_delete_libcall): Remove unused first arg + (propagate_one_insn): Update for above change + +2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com> + + * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase, + _Unwind_GetTextRelBase): Argument is unused. + +Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR. + Loop through NOPs, placeholders, and components. + Don't go through NOPs if change mode. + (record_alias_subset): Do nothing if SUBSET and SET are the same. + * emit-rtl.c (set_mem_alias_set): Enable check. + * expr.c (find_placeholder): New function. + (expand_expr, case PLACEHOLDER_EXPR): Use it. + (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need + to modify it and avoid unneeded copies. + * expr.h (expand_expr): Always define. + (find_placeholder): New declaration. + +2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("add-split"): Fix add split when + operand 2 is the stack pointer. + ("addr-peephole"): Fix address computation peephole when operand 2 + is the stack pointer. + +Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set. + (ix86_setup_incoming_varargs): Likewise. + +2001-10-01 Jason Merrill <jason_merrill@redhat.com> + + * stor-layout.c (layout_type): Don't complain about too-large + array here. + +Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (keep_stack_depressed): Don't use delete_insn. + + * expr.h (set_mem_alias_set): Move decl to here. + * rtl.h (mem_attrs): New typedef and struct. + (union rtunion_def): Add field for mem_attrs. + (X0MEMATTR, MEM_ATTRS): New macros. + (MEM_ALIAS_SET): Use MEM_ATTRS. + (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros. + (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS. + (set_mem_alias_set): Delete decl from here. + + * alias.c (set_mem_alias_set): Delete from here. + * emit-rtl.c (mem_attrs_htab): New variable. + (rtx_htab_mark, rtx_htab_mark_1): Deleted. + (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions. + (mem_attrs_mark, get_mem_attrs): Likewise. + (gen_rtx_MEM): Clear MEM_ATTRS. + (set_mem_attributes): Move to here. + (set_mem_alias_set): Likewise, and call get_mem_attrs. + (init_emit_once): const_int_htab now deletable htab. + Initialize mem_attrs_htab. + * explow.c (set_mem_attributes): Delete from here. + * function.c (put_var_into_stack): Clear MEM_ATTRS. + (gen_mem_addressof): Likewise; rework to use set_mem_attributes. + * ggc-common.c (ggc_mark_rtx_children, case MEM): New case. + * reload1.c (reload): Rework changing REG to MEM. + +2001-09-30 H.J. Lu <hjl@gnu.org> + + * acconfig.h (PREFIX_INCLUDE_DIR): New variable. + * config.in: Rebuild. + +2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints. + ("tsthi_1"): Avoid allocation in register y. + ("*movqi_68hc12"): Reorganize and fix constraints. + ("zero_extendqisi2"): Prefer d over x and y for operand 1. + ("addqi3"): Likewise. + ("addhi3"): Fix constraints. + ("*logicalhi3_zexthi"): Disparage soft registers. + +2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp + to tmp reg. + +2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so + that we use setjmp/longjmp exceptions. + +2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, + POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk, + struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve, + _cpp_pool_alloc, _cpp_next_chunk): Remove. + (_cpp_extend_buff, BUFF_ROOM): Update. + (_cpp_append_extend_buff): New. + (struct cpp_reader): Remove macro_pool, add a_buff. + * cppinit.c (cpp_create_reader): Initialize a_buff, instead of + macro_pool. + (cpp_destroy): Free a_buff instead of macro_pool. + * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk, + new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve, + _cpp_pool_alloc, ): Remove. + (parse_number, parse_string): Update use of _cpp_extend_buff. + (_cpp_extend_buff): Update. + (_cpp_append_extend_buff, cpp_aligned_alloc): New. + * cpplib.c (glue_header_name, parse_answer): + Update use of _cpp_extend_buff. + (cpp_register_pragma, cpp_register_pragma_space): Use + _cpp_aligned_alloc. + (do_assert, do_unassert): Check for EOL, update. + * cppmacro.c (stringify_arg, collect_args): Update to use + _cpp_extend_buff and _cpp_append_extend_buff. + (save_parameter, parse_params, alloc_expansion_token, + _cpp_create_definition): Rework memory management. + +2001-09-29 Andris Pavenis <pavenis@lanet.lv> + + * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't + update md_exec_prefix. + (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point + to string constant. + +2001-09-30 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode. + (SELECT_CC_MODE): Use s390_select_ccmode. + * config/s390/s390-protos.h (s390_select_ccmode): Add. + * config/s390/s390.c (s390_select_ccmode): New. + (s390_match_ccmode): Add CCLmode. + (s390_branch_condition_mask, s390_branch_condition_mnemonic): New. + (output_branch_condition, output_inverse_branch_condition): Removed. + (print_operand): Use s390_branch_condition_mnemonic. + * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2, + subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode. + (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New. + + * config/s390/s390.c (check_and_change_labels): Preserve CC mode + when converting conditional branches to far branches. + * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si, + cmpint_di): Use CCSmode instead of CCUmode. + + * config/s390/s390.c (legitimate_la_operand_p): New. + * config/s390/s390-protos.h (legitimate_la_operand_p): Add. + * config/s390/s390.md (movsi): Convert load address patterns to + arithmetic operations when necessary. + (addaddr_picR, addaddr_picL, addaddr_picN): Removed. + (do_la): Renamed to *do_la and use legitimate_la_operand_p. + (*do_la_reg_0): Don't use before reload. + + * config/s390/s390.c (legitimize_address): Make more efficient + use of two-register addressing mode. + + * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog + with -mno-backchain in some corner cases. + + * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute. + +2001-09-29 Alexandre Oliva <aoliva@redhat.com> + + * reload.c (find_reloads): Mark new USE insns with QImode. + (find_reloads_toplev, find_reloads_address, subst_reg_equivs, + find_reloads_subreg_address): Likewise. + * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are + encountered. + * reload1.c (reload_combine_note_use): Likewise, inside USEs and + CLOBBERs. + (reload): Make sure there are no USEs with mode other than + VOIDmode. At the end, remove those marked with QImode. + +2001-09-29 Per Bothner <per@bothner.com> + + * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR. + * Makefile.in (includedir): Rename to local_includedir. + (includedir): Define as $(prefix)/include. + * config.in (PREFIX_INCLUDE_DIR): New variable. + * configure.in (PREFIX_INCLUDE_DIR): Test for new variable. + +2001-09-29 Bernd Schmidt <bernds@redhat.com> + + * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and + storehps builtins. + * doc/extend.texi (Vector Extensions): New node. + * doc/invoke.texi (Machine Dependent Options): Add documentation for + i386 -mmmx, -msse, -m3dnow. + +Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * doc/invoke.texi (Optimize Options): Revert an accidental checkin. + +2001-09-29 Hans-Peter Nilsson <hp@axis.com> + + * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn. + + * doc/invoke.texi (Optimize Options): Delete spurious @table. + +2001-09-28 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_integer): Bound alignment check by + BIGGEST_ALIGNMENT. + + * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails. + +2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define. + +2001-09-25 Bernd Schmidt <bernds@redhat.com> + + Mostly from Graham Stott <grahams@redhat.com> + * c-common.c (type_for_mode): Add support for V2SFmode. + * tree.c (build_common_tree_nodes_2): Likewise. + * tree.h (enum tree_index, global_trees): Likewise. + * config/i386/i386.c (x86_3dnow_a): New variable. + (override_options): Support 3Dnow extensions. + (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of + Athlon's version of 3Dnow. + (ix86_init_mmx_sse_builtins): Create 3Dnow builtins. + (ix86_expand_builtin): Handle them. + (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow. + * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW, + TARGET_3DNOW_A): New macros. + (TARGET_SWITCHES): Add 3Dnow switches. + (VALID_MMX_REG_MODE_3DNOW): New macro. + (VECTOR_MODE_SUPPORTED_P): Use it. + (enum ix86_builtins): Add entries for 3Dnow builtins. + * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id, + pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3, + pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw, + pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2, + pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, + pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns. + (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart, + mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, + mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence, + sfence_insn, prefetch): Make these available if TARGET_SSE or + TARGET_3DNOW_A. + +Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg, + ix86_va_start, ix86_build_va_list): Declare. + * i386.c (ix86_setup_incoming_varargs, ix86_va_arg, + ix86_va_start, ix86_build_va_list): New global functions. + * i386.md (sse_prologue_save_insn): New insn. + (sse_prologue_save): New expander. + * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START, + BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros. + +2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff): + Use size_t everywhere, make definitions consistent with + prototypes. + +Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (replace_store_insn): Use delete_insn. + * loop.c (move_movables): Likewise; avoid delete_insn + from clobbering notes moved elsewhere. + (check_dbra_loop): Use delete_insn. + * ssa.c (convert_from_ssa): Likewise. + * cse.c (cse_insn): Use delete_insn. + +2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_buff): Make unsigned. + (_cpp_get_buff): Take length of size_t. + (_cpp_unaligned_alloc): New. + (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New. + (struct cpp_reader): Remove ident_pool. Add u_buff. + * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool. + (cpp_destroy): Destroy u_buff, not ident_pool. + * cpplex.c (parse_number, parse_string, save_comment, + cpp_token_as_text): Update to use the unaligned buffer. + (new_buff): Make unsigned. + (_cpp_unaligned_alloc): New. + * cpplib.c (glue_header_name): Update to use the unaligned buffer. + * cppmacro.c (new_number_token, builtin_macro, stringify_arg): + Similarly. + (collect_args): Make unsigned. + +2001-09-27 Zack Weinberg <zack@codesourcery.com> + + * cpplex.c (cpp_output_token): Use a putc loop for + SPELL_OPERATOR, and fwrite for SPELL_IDENT. + + * configure.in: Detect fwrite_unlocked and fprintf_unlocked. + * configure, config.in: Regenerate. + * system.h: Replace fwrite and fprintf with their unlocked + variants if available. + +2001-09-27 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame + in favor of .eh_frame. + +2001-09-27 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3 + to macros. + (LIBCALL_VALUE): Likewise. + +2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h: Update comment. + * cpplex.c: Update comments. + (_cpp_can_paste): Remove. + * cpplib.h (_cpp_can_paste): Remove. + * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the + lexer rather than _cpp_can_paste. + +2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_pool): Remove locks and locked. + (struct cpp_context): Add member buff. + (struct cpp_reader): Remove member argument_pool. + (_cpp_lock_pool, _cpp_unlock_pool): Remove. + * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead. + * cpplex.c (chunk_suitable): Remove pool argument. + (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New. + (new_buff, _cpp_extend_buff): Update. + (_cpp_get_buff): Fix silly pointer bug. Be more selective about + which buffer is returned. + (_cpp_next_chunk, _cpp_init_pool): Pool locking removed. + (_cpp_lock_pool, _cpp_unlock_pool): Remove. + * cppmacro.c (lock_pools, unlock_pools): Remove. + (push_ptoken_context): Take a _cpp_buff. + (enter_macro_context): Pool locking removed. + (replace_args): Use a _cpp_buff for the replacement list with + arguments replaced. + (push_token_context): Clear buff. + (expand_arg): Use _cpp_pop_context. + (_cpp_pop_context): Free a context's buffer, if any. + +2001-09-26 DJ Delorie <dj@redhat.com> + + * c-typeck.c (digest_init): Check for sizeless arrays. + +2001-09-26 Richard Henderson <rth@redhat.com> + + * optabs.c (init_one_libfunc): Create a dummy function type + instead of using error_mark_node. + +2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff, + _cpp_extend_buff, _cpp_free_buff): New. + (struct cpp_reader): New member free_buffs. + * cppinit.c (cpp_destroy): Free buffers. + * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff, + _cpp_extend_buff, _cpp_free_buff): New. + * cpplib.h (struct cpp_options): Remove unused member. + * cppmacro.c (collect_args): New. Combines the old parse_arg + and parse_args. Use _cpp_buff for memory allocation. + (funlike_invocation_p, replace_args): Update. + +Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * final.c (final_scan_insn): Use delete_insn instead of delete_note. + +2001-09-25 Andrew Haley <aph@cambridge.redhat.com> + + * except.c (sjlj_mark_call_sites): Change address inside sequence. + +2001-09-24 Andrew Haley <aph@cambridge.redhat.com> + + * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with + glibc. + +2001-09-25 Janis Johnson <janis187@us.ibm.com> + Jim Wilson <wilson@redhat.com> + + * doc/install.texi (Specific, ia64-*-linux): Document. + +Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz> + + * Makefile.in (cfgrtl.o): Add. + * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks, + free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges, + free_aux_for_edge): Declare. + * cfg.c + (HAVE_return): Undefine. + * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks, + free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges, + free_aux_for_edge): New global functions. + (first_delete_block): New static variable. + (init_flow): Clear first_delete_block. + (basic_block_for_insn, label_value_list, tail_recursion_label_list, + can_delete_note_p, can_delete_label_p, commit_one_edge_insertion, + try_redirect_by_replacing_jump, last_loop_beg_note, + back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect, + delete_insn, delete_insn_chain, create_basic_block_structure, + create_basic_block, flow_delete_block, compute_bb_for_insn, + free_bb_for_insn, update_bb_for_insn, set_block_for_insn, + set_block_for_new_insns, split_block, merge_blocks_nomove, + block_label, try_redirect_by_replacing_jump, last_loop_beg_note, + redirect_edge_and_branch, force_nonfallthru_and_redirect, + force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge, + tidy_fallthru_edges, split_edge, insert_insn_on_edge, + commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb, + debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges, + purge_all_dead_edges): Move to .... + * cfgrtl.c: New file; .... Here. + + * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block. + (reroder_basic_block): Use alloc_aux_for_blocks. + * predict.c (estimate_bb_frequencies): Likewise; use + alloc_aux_for_edges. + * profile.c (compute_branch_probabilities): Likewise. + (branch_prob): Likewise. + * reg-stack.c (reg_to_stack): Likewise. + + * emit-rtl.c (emit_insns_after): Never return NULL. + + * basic-block.h (set_block_for_new_insns): Delete. + * cfgrtl.c (set_block_for_new_insns): Delete. + + * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn + calls when crossjumping. + + * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call. + * unroll.c (copy_loop_body): Use delete_insn. + + * final.c (final, final_scan_insn): Use delete_insn/delete_note. + * function.c (fixup_var_refs_insn, fixup_var_refs_1, + keep_stack_depressed): Likewise. + * gcse.c (cprop_cc0_jump): Likewise. + * local-alloc.c (update_equiv_regs): Likewise. + * loop.c (scan_loop, loop_delete_insns): Likewise. + * regmove.c (try_auto_increment, fixup_match_1): Likewise. + * reload1.c (reload, calculate_needs_all_insns, reload_as_needed, + delete_output_reload, delete_address_reloads_1, + reload_cse_delete_noop_set, reload_combine, reload_cse_move2add): + Likewise. + * sibcall.c (replace_call_placeholder): Likewise. + * cse.c (cse_insn): Likewise. + +2001-09-25 Bernd Schmidt <bernds@redhat.com> + + From Graham Stott <grahams@redhat.com> + (def_builtin): Only define builtins appropriate for target_flags. All + callers changed. + (builtin_decsription): Add new field mask which is used to determine + when to define the builtin via the macro def_builtin. + + (bdesc_comi): Initialize new mask fields. + (bdesc_2srg): Likewise. + (bdesc_1arg): Likewise. + + * config/i386/i386.c (ix86_init_builtins): Correct return type + building v4hi_ftype_v4hi_int_int tree node. + (ix86_expand_sse_comi): Fix typo swapping operands. + Don't swap comparison condition, it is already swapped. + (ix86_expand_sse_compare): Before swapping operands + move operand 1 into new rtx and not the target rtx. + Don't swap comparison condition, it is already swapped. + Always check whether we need to create a new TARGET. + + * config/i386/i386.md: (sse_comi) Fix typos. + (sse_ucomi): Likewise. + (cvtss2si): Fix operand 0 contraint. + (cvttss2si): Likewise. + (sse_unpckhps): Fix mode for operand 2. + (sse_unpcklps): Likewise. + +2001-09-25 Graham Stott <grahams@redhat.com> + + * sibcall.c (skip_copy_to_return_value): Tighten return value + copy check. + +2001-09-24 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (lwa_operand): Address must be word aligned. + +Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (type_hash_marked_p): Consider as marked if debug symbol + number has been set. + (type_hash_mark): Mark type itself. + +2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (cb_def_pragma): Update. + (c_lex): Update, and skip padding. + * cppexp.c (lex, parse_defined): Update, remove unused variable. + * cpphash.h (struct toklist): Delete. + (union utoken): New. + (struct cpp_context): Update. + (struct cpp_reader): New members eof, avoid_paste. + (_cpp_temp_token): New. + * cppinit.c (cpp_create_reader): Update. + * cpplex.c (_cpp_temp_token): New. + (_cpp_lex_direct): Add PREV_WHITE when parsing args. + (cpp_output_token): Don't print leading whitespace. + (cpp_output_line): Update. + * cpplib.c (glue_header_name, parse_include, get__Pragma_string, + do_include_common, do_line, do_ident, do_pragma, + do_pragma_dependency, _cpp_do__Pragma, parse_answer, + parse_assertion): Update. + (get_token_no_padding): New. + * cpplib.h (CPP_PADDING): New. + (AVOID_LPASTE): Delete. + (struct cpp_token): New union member source. + (cpp_get_token): Update. + * cppmacro.c (macro_arg): Convert to use pointers to const tokens. + (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p, + replace_args, quote_string, stringify_arg, parse_arg, next_context, + enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput, + _cpp_backup_tokens, _cpp_create_definition): Update. + (push_arg_context): Delete. + (padding_token, push_token_context, push_ptoken_context): New. + (make_string_token, make_number_token): Update, rename. + (cpp_get_token): Update to handle tokens as pointers to const, + and insert padding appropriately. + * cppmain.c (struct printer): New member prev. + (check_multiline_token): Constify. + (do_preprocessing, cb_line_change): Update. + (scan_translation_unit): Update to handle spacing. + * scan-decls.c (get_a_token): New. + (skip_to_closing_brace, scan_decls): Update. + * fix-header.c (read_scan_file): Update. + + * doc/cpp.texi: Update. + +2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid + leak by passing malloc'ed pointer to reconcat, not concat. + +2001-09-24 DJ Delorie <dj@redhat.com> + + * varasm.c (array_size_for_constructor): Handle STRING_CSTs also. + +2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>: + + * flow.c (delete_dead_jumptables): Delete jumptable if the only + reference is from the literal pool. + +2001-09-24 Janis Johnson <janis187@us.ibm.com> + + * doc/install.texi (Final install): Request additional information + in mail about successful builds. + +2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use + initial value of return pointer register instead of value in frame-20. + Revise comments. + +2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting. + (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for + the libcall if there isn't a referenced identifier for the symbol. + +2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for + non 64-bit machines. Use these as a plabel for the trampoline. + (TRAMPOLINE_SIZE): Adjust size for new words. + (INITIALIZE_TRAMPOLINE): Initialize new words. + (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a + pointer to the plabel in the trampoline. + +2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (function_arg): Pass floating arguments in both general and + floating registers in indirect (dynamic) calls when generating code + for the 32 bit ABI and the HP assembler. + +2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi: Markup fixes. + Use Solaris 2, SunOS 4 as appropriate. + (Specific, *-*-solaris2*): Explain this. + Unconditionally warn against /usr/ucb tools. + Remove Sun as warning, obsolete. + Move X11 header bug workaround here, update patches. + (Specific, sparc-sun-solaris2*): Detail Sun as fix status. + (Specific, sparc-sun-solaris2.7): Update patch 106950 status. + +2001-09-23 Zack Weinberg <zack@codesourcery.com> + + * errors.h (warning, error, fatal, internal_error): Don't mark + with ATTRIBUTE_PRINTF_n. + * toplev.h (internal_error, fatal_io_error, warning, error, + pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line, + error_with_file_and_line, sorry, error_for_asm, warning_for_asm): + Likewise. + +Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (pop_function_context_from): var_refs_queue + and temp slots now in GC memory. + (mark_function_status, free_after_compilation): Likewise; + also struct function now in GC memory. + (assign_stack_temp_for_type): struct temp_slot now in GC memory. + (combine_temp_slots): Likewise. + (schedule_fixup_var_refs): var_refs_queue now in GC memory. + (prepare_function_start): Use GC memory for struct function. + (mark_temp_slot): Deleted. + (gcc_mark_struct_function): struct function now in GC memory. + + * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust + code for division, not modulus. + + * rtl.def (MEM): Remove obsolete part of comment. + +2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-format.c (init_function_format_info): Check __builtin_printf + and __builtin_fprintf even if -ffreestanding. Check C99 functions + in gnu89 mode. + +Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-common.c (format_attribute_table): Remove decl. + * tree.h (format_attribute_table, lang_attribute_table): New decls. + (lang_attribute_common): Likewise. + + * function.c (fix_lexical_address): Use set_mem_alias_set. + (expand_function_start): Likewise. + * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise. + + * varasm.c (output_constant): Fix unused variable warning. + + * attribs.c: New file, from c-common.c. + (attribute_tables): Now four elements. + (format_attribute_table, lang_attribute_common): New variables. + (init_attributes): Reflect above changes. + (handle_mode_attribute): Delete check for wider than uintmax. + * c-common.c: Delete parts moved to attribs.c. + (enum attrs): Deleted; unused. + (c_format_attribute_table): New variable. + (c_common_lang_init): Initialize format_attribute_table with it. + * c-common.h (decl_attributes): Remove decl. + * tree.h (decl_attribute): Move it to here. + * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o. + (attribs.o): New rule. + +2001-09-22 Andreas Jaeger <aj@suse.de> + + * builtins.c (c_getstr): Remove unused variable. + +2001-09-21 Richard Henderson <rth@redhat.com> + + * reload1.c (reload): Use delete_insn instead of splatting + NOTE_INSN_DELETED. + +2001-09-21 Richard Henderson <rth@redhat.com> + + * reload.c (push_secondary_reload): Don't check for "=" in output + constraint after ""->ALL_REGS check. + +2001-09-21 Richard Henderson <rth@redhat.com> + + * predict.c (expected_value_to_br_prob): Use pc_set. + + * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by + ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl. + +2001-09-21 Richard Henderson <rth@redhat.com> + + * rtl.h (LCT_RETURNS_TWICE): New. + * calls.c (emit_call_1): Set current_function_calls_setjmp for + ECF_RETURNS_TWICE. + (emit_library_call_value_1): Map LCT_RETURNS_TWICE + to ECF_RETURNS_TWICE. + * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for + call to setjmp. + + * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc. + + * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New. + (JMP_BUF_SIZE): New. + +2001-09-21 Richard Henderson <rth@redhat.com> + + * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd' + to R8_REGS. + +2001-09-21 Richard Henderson <rth@redhat.com> + + * tree.def (FDESC_EXPR): New. + * expr.c (expand_expr): Handle it. + * varasm.c (initializer_constant_valid_p): Likewise. + (output_constant): Likewise. + * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New. + * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New. + (ASM_OUTPUT_FDESC): New. + * doc/tm.texi: Document the new macros. + +21-09-2001 Richard Earnshaw (reanrsha@arm.com) + + * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave + ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block + once merging is complete. + +Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * integrate.c (allocate_initial_values): Eliminate unused arg warning. + +21-09-2001 Richard Earnshaw (reanrsha@arm.com) + + * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes + that would be invalid after a merge. + +Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill. + * cfg.c (delete_insn): Rename from ....; use remove_insn; do not + remove some labels. + (flow_delete_insn): This one. + (delete_insn_chain): Rename from ...; do not care labels. + (flow_delete_insn_chain): ... this one. + (flow_delete_block): Remove the insns one BB has been expunged. + (merge_blocks_nomove): Likewise. + (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care + updating BB boundaries. + (tidy_fallthru_edge): Likewise. + (commit_one_edge_insertion): Likewise. + * cfgbuild.c (find_basic_block): Likewise. + (find_basic_blocks_1): Likewise. + * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise. + (try_crossjump_to_edge): Likewise. + (try_optimize_cfg): Likewise. + * cse.c (delete_trivially_dead_insns): Likewise. + * df.c (df_insn_delete): Likewise. + * doloop.c (doloop_modify): Use delete_related_insns. + * emit-rtl.c (try_split): Likewise. + (remove_insn): Update BB boundaries. + * expect.c (connect_post_landing_pads): Use delete_related_insns. + * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care + updating BB boundaries. + (propagate_block_delete_insn): Likewise. + (propagate_block_delete_libcall): Likewise. + * function.c (delete_handlers): Use delete_related_insns. + (thread_prologue_and_epilogue_insns): Likewise. + * gcse.c (delete_null_pointer_checks): Use delete_related_insns. + * genpeep.c (gen_peephole): Use delete_related_insns. + * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating + BB boundaries. + (find_cond_trap): Likewise. + * integrate.c (save_for_inline): Use delete_related_insns. + (copy_insn_list): Likewise. + * jump.c (pruge_linie_number_notes): Likewise. + (duplicate_loop_exit_test): Likewise. + (delete_computation): Likewise. + (delete_related_insn): Rename from ...; use delete_insn + (delete_insn): ... this one. + (redirect_jump): Use delete_related_insns. + * loop.c (scan_loop): Likewise. + (move_movables): Likewise. + (find_and_verify_loops): Likewise. + (check_dbra_loop): Likewise. + * recog.c (peephole2_optimize): Likewise. + * reg-stack.c (delete_insn_for_stacker): Remove. + (move_for_stack_reg): Use delete_insn. + * regmove.c (combine_stack_adjustments_for_block): Likewise. + * reload1.c (delete_address_reloads): Use delete_related_insns. + (fixup_abnormal_edges): Use delete_insn. + * recog.c (emit_delay_sequence): Use delete_related_insns. + (delete_from-delay_slot): Likewise. + (delete_scheduled_jump): likewise. + (optimize_skip): Likewise. + (try_merge_delay_insns): Likewise. + (full_simple_delay_slots): Likewise. + (fill_slots_from_thread): Likewise. + (relax_delay_slots): Likewise. + (make_return_insns): Likewise. + (dbr_schedule): Likewise. + * rtl.h (delete_insn): Rename to delete_related_insns. + (delete_insn, delete_insn_chain): New prototypes. + * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done + by df_insn_delete already. + * ssa-dce.c (delete_insn_bb): Use delete_insn. + * ssa.c (convert_from_ssa): Use delete_related_insns. + * unroll.c (unroll_loop): Likewise. + (calculate_giv_inc): Likewise. + (copy_loop_body): Likewise. + + * i386-protos.h (ix86_libcall_value, ix86_function_value, + ix86_function_arg_regno_p, ix86_function_arg_boundary, + ix86_return_in_memory, ix86_function_value): Declare. + * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers): + new static valurables. + (x86_64_reg_class): New enum + (x86_64_reg_class_name): New array. + (classify_argument, examine_argument, construct_container, + merge_classes): New static functions. + (optimization_options): Enable flag_omit_frame_pointer and disable + flag_pcc_struct_return on 64bit. + (ix86_libcall_value, ix86_function_value, + ix86_function_arg_regno_p, ix86_function_arg_boundary, + ix86_return_in_memory, ix86_function_value): New global functions. + (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg. + (function_arg_advance): Handle x86_64 passing conventions. + (function_arg): Likewise. + * i386.h (FUNCTION_ARG_BOUNDARY): New macro. + (RETURN_IN_MEMORY): Move offline. + (FUNCTION_VALUE, LIBCALL_VALUE): Likewise. + (FUNCTION_VALUE_REGNO_P): New macro. + (FUNCTION_ARG_REGNO_P): Move offline. + (struct ix86_args): Add maybe_vaarg. + * next.h (FUNCTION_VALUE_REGNO_P): Delete. + * unix.h (FUNCTION_VALUE_REGNO_P): Delete. + +2001-09-21 Hartmut Penner <hpenner@de.ibm.com> + + * s390.md: Changed attributes for scheduling. + * s390.c: (s390_adjust_cost, s390_adjust_priority) + Changed scheduling + +2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk> + + Table-driven attributes. + * c-decl.c, config/alpha/alpha.c, config/arc/arc.c, + config/arm/arm.c, config/arm/pe.c, config/avr/avr.c, + config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h, + config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c, + config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c, + config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi, + doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c, + tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES. + * tree.h (struct tree_decl): Change machine_attributes to + attributes. + * doc/c-tree.texi: Document that all attributes are now attached + to decls and types. + * c-common.c (add_attribute, attrtab, attrtab_idx, + default_valid_lang_attribute, valid_lang_attribute): Remove. + (attribute_tables, attributes_initialized, + c_common_attribute_table, default_lang_attribute_table): New + variables. + (handle_packed_attribute, handle_nocommon_attribute, + handle_common_attribute, handle_noreturn_attribute, + handle_unused_attribute, handle_const_attribute, + handle_transparent_union_attribute, handle_constructor_attribute, + handle_destructor_attribute, handle_mode_attribute, + handle_section_attribute, handle_aligned_attribute, + handle_weak_attribute, handle_alias_attribute, + handle_no_instrument_function_attribute, + handle_no_check_memory_usage_attribute, handle_malloc_attribute, + handle_no_limit_stack_attribute, handle_pure_attribute): New + functions. + (init_attributes, decl_attributes): Rewrite to implement + table-driven attributes. + * c-common.h (enum attribute_flags): Move to tree.h. + * c-format.c (decl_handle_format_attribute, + decl_handle_format_arg_attribute): Rename to + handle_format_attribute and handle_format_arg_attribute. Update + for table-driven attributes. + * c-common.h (decl_handle_format_attribute, + decl_handle_format_arg_attribute): Remove prototypes. + (handle_format_attribute, handle_format_arg_attribute): Add + prototypes. + * c-decl.c (grokdeclarator): Handle attributes nested inside + declarators. + * c-parse.in (setattrs, maybe_setattrs): Remove. + (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs. + Update to handle nested attributes properly. + (maybe_resetattrs, after_type_declarator, + parm_declarator_nostarttypename, notype_declarator, absdcl1_noea, + absdcl1_ea, direct_absdcl1): Update to handle nested attributes + properly. + (make_pointer_declarator): Update to handle nested attributes + properly. + * doc/extend.texi: Update documentation of limits of attributes + syntax. Warn about problems with attribute semantics in C++. + * target.h (struct target): Remove valid_decl_attribute and + valid_type_attribute. Add attribute_table and + function_attribute_inlinable_p. + * target-def.h (TARGET_VALID_DECL_ATTRIBUTE, + TARGET_VALID_TYPE_ATTRIBUTE): Remove. + (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): + Add. + (TARGET_INITIALIZER): Update. + * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default + definition. + (function_attribute_inlinable_p): New function. Check for the + presence of any machine attributes before using + targetm.function_attribute_inlinable_p. + (function_cannot_inline_p): Update. + * Makefile.in (integrate.o): Update dependencies. + * doc/tm.texi: Update documentation of target attributes and + example definition of TARGET_VALID_TYPE_ATTRIBUTE. + * tree.c (default_valid_attribute_p, valid_machine_attribute): + Remove. + (default_target_attribute_table, + default_function_attribute_inlinable_p): New. + (lookup_attribute): Update comment to clarify handling of multiple + attributes with the same name. + (merge_attributes, attribute_list_contained): Allow multiple + attributes with the same name but different arguments to appear in + the same attribute list. + * tree.h (default_valid_attribute_p): Remove prototype. + (struct attribute_spec): New. + (default_target_attribute_table): Declare. + (enum attribute_flags): Move from c-common.h. Add + ATTR_FLAG_TYPE_IN_PLACE. + (default_function_attribute_inlinable_p): Declare. + * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (vms_attribute_table): New. + * config/arc/arc.c (arc_valid_decl_attribute): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (arc_attribute_table, arc_handle_interrupt_attribute): New. + * config/arm/arm.c (arm_valid_type_attribute_p, + arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p): + Remove. + (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't + define. + (TARGET_ATTRIBUTE_TABLE): Define. + (arm_attribute_table, arm_handle_fndecl_attribute, + arm_handle_isr_attribute): New. + * config/avr/avr.c (avr_valid_type_attribute, + avr_valid_decl_attribute): Remove. + (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't + define. + (TARGET_ATTRIBUTE_TABLE): Define. + (avr_attribute_table, avr_handle_progmem_attribute, + avr_handle_fndecl_attribute): New. + * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove. + (TARGET_VALID_TYPE_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (c4x_attribute_table, c4x_handle_fntype_attribute): New. + * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (h8300_attribute_table, h8300_handle_fndecl_attribute, + h8300_handle_eightbit_data_attribute, + h8300_handle_tiny_data_attribute): New. + * config/i386/i386-protos.h (ix86_valid_type_attribute_p, + i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p): + Remove prototypes. + (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New + declarations. + * config/i386/i386.c (ix86_valid_type_attribute_p: Remove. + (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't + define. + (TARGET_ATTRIBUTE_TABLE): Define. + (ix86_attribute_table, ix86_handle_cdecl_attribute, + ix86_handle_regparm_attribute): New. + * config/i386/winnt.c (i386_pe_valid_decl_attribute_p, + i386_pe_valid_type_attribute_p): Remove. + (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New. + * config/ia64/ia64.c (ia64_valid_type_attribute): Remove. + (TARGET_VALID_TYPE_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (ia64_attribute_table): New. + * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1, + interrupt_ident2, model_ident1, model_ident2): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (init_idents): Update. + (m32r_attribute_table, m32r_handle_model_attribute): New. + * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p): + Remove. + (TARGET_VALID_TYPE_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New. + * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (mcore_attribute_table, mcore_handle_naked_attribute): New. + * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove. + (TARGET_VALID_TYPE_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (ns32k_attribute_table, ns32k_handle_fntype_attribute): New. + * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove. + (TARGET_VALID_TYPE_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (rs6000_attribute_table, rs6000_handle_longcall_attribute): New. + * config/sh/sh.c (sh_valid_decl_attribute): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (sh_attribute_table, sh_handle_interrupt_handler_attribute, + sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute): + New. + * config/stormy16/stormy16.c (stormy16_valid_type_attribute): + Remove. + (TARGET_VALID_TYPE_ATTRIBUTE): Don't define + (TARGET_ATTRIBUTE_TABLE): Define. + (stormy16_attribute_table, stormy16_handle_interrupt_attribute): + New. + * config/v850/v850.c (v850_valid_decl_attribute): Remove. + (TARGET_VALID_DECL_ATTRIBUTE): Don't define. + (TARGET_ATTRIBUTE_TABLE): Define. + (v850_attribute_table, v850_handle_interrupt_attribute, + v850_handle_data_area_attribute): New. + * config/v850/v850-c.c (mark_current_function_as_interrupt): + Return void. Call decl_attributes instead of + valid_machine_attribute. + +Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh-protos.h (sh_pr_n_sets): Declare. + * sh.c (calc_live_regs): If the initial value for PR has been copied, + look at the copy to determine if PR needs to be saved. + sh_pr_n_sets: New function. + * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val. + (ALLOCATE_INITIAL_VALUE): Define. + + * sh.c (initial_elimination_offset): + Fix RETURN_ADDRESS_POINTER_REGNUM case. + +Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com> + + * integrate.c (allocate_initial_values): New function. + * integrate.h (allocate_initial_values): Declare. + * local-alloc.c (local_alloc): Move call to allocate_reg_info from + here... + * reload1.c (reload): And initialization of reg_equiv_memory_loc + from here... + * toplev.c (rest_of_compilation): To here. + Call allocate_initial_values. + * tm.texi: add description for ALLOCATE_INITIAL_VALUE. + +Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * ggc-page.c (ggc_marked_p): Properly convert return to boolean. + +2001-09-20 DJ Delorie <dj@redhat.com> + + * c-typeck.c (really_start_incremental_init): Discriminate + between zero-length arrays and flexible arrays. + (push_init_level): Detect zero-length arrays and handle them + like fixed-sized arrays. + * expr.c (store_constructor): Handle zero-length arrays and + flexible arrays correctly. + * doc/extend.texi: Update zero-length array notes. + +2001-09-20 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle. + (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking + for issue port conflicts. + (cycle_end_fill_slots): TYPE_L instructions take two slots. + +2001-09-20 Andrew MacLeod <amacleod@redhat.com> + + * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3 + on ia64. + +Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (hashtab.h): Include. + (int_const_binop): Remove FORSIZE arg and compute from type; all + callers changed. + Call size_int_type_wide for all single-word constants. + (size_htab_hash, size_htab_eq): New functions. + (size_int_type_wide): Rework to use hash table. + * ggc-common.c (hashtab.h): Include. + (struct d_htab_root): New struct. + (d_htab_roots): New variable. + (ggc_add_deletable_htab, ggc_htab_delete): New functions + (ggc_mark_roots): Handle deletable htabs. + * ggc-page.c (ggc_marked_p): New function. + * ggc-simple.c (ggc_marked_p): Likewise. + * ggc.h: Reformatting throughout. + (ggc_marked_p, ggc_add_deletable_htab): New declarations. + * tree.c (init_obstacks): Make type_hash_table a deletable root. + (type_hash_add): Allocate struct type_hash from GC memory. + (mark_hash_entry, mark_type_hash): Deleted. + (type_hash_marked_p, type_hash_mark): New functions. + * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h. + +Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (shiftcosts): Don't use shiftcosts array for modes wider + than SImode. + +Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable + array-too-large test for signed sizetype. + +Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (indirect_jump): Allow Pmode operand. + (tablejump): LIkewise; perform expansion to 64bit mode. + * i386.c (symbolic_operand): Allow 64bit PIC references. + (pic_symbolic_operand): Likewise. + (ix86_find_base_term): Strip the 64bit PIC references. + (legitimate_pic_address_disp_p): Handle 64bit PIC. + (legitimize_pic_address): Likewise. + (i386_simplify_dwarf_addr): Strip down the 64bit PIC references. + * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation. + +2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com> + + * stringpool.c (get_identifier_with_length): New function. + * tree.h (get_identifier_with_length): New prototype. + +2001-09-19 Alan Modra <amodra@bigpond.net.au> + David Edelsohn <edelsohn@gnu.org> + + Revert: + * config/rs6000/rs6000.c (logical_operand): CONST_INTs are + already sign-extended. + + * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers. + * config/rs6000/rs6000.c (logical_operand): Always compare op as + HOST_WIDE_INT. + (rs6000_emit_set_long_const): Avoid unnecessary shift. + (output_profile_hook): Declare label_name const. + * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates + to match constraints. + +2001-09-19 Stan Shebs <shebs@apple.com> + + * alias.c: Fix typos in comments. + * sched-rgn.c (init_ready_list): Ditto. + * unwind-dw2.c (uw_frame_state_for): Ditto. + * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto. + * unwind.inc (_Unwind_RaiseException_Phase2): Ditto. + * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto. + +2001-09-19 Richard Henderson <rth@redhat.com> + + * cfg.c (force_nonfallthru_and_redirect): Handle redirecting + to the exit block. + * Makefile.in (cfg.o): Depend on TM_P_H. + +2001-09-19 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (local_symbol_p): Split out from ... + (local_symbolic_operand): ... here. + (small_symbolic_operand): Check mode. + (global_symbolic_operand): New. + (input_operand): Reject symbolics if explicit relocs. + (call_operand): Tidy. + (alpha_legitimize_address): Use movdi_er_high_g. + (alpha_expand_mov): Likewise. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (PREDICATE_CODES): Update. + * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New. + (UNSPEC_LDGP2, UNSPECV_PLDGP2): New. + (UNSPECV_LDGP2): Remove. + (all call patterns): Use 's' not 'i' for symbolic constraint. + (call_osf call_value_osf): Use call_operand. + (all osf call patterns): Use $gp. New peepholes for explicit relocs. + (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative. + (prologue_ldgp_1_er): Remove. + (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New. + (builtin_setjmp_receiver_er patterns): Use them. + (exception_receiver_er): Likewise. + +2001-09-19 Richard Henderson <rth@redhat.com> + + * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw. + + * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN + and NON_LOCAL_GOTO notes. + * recog.c (peephole2_optimize): Likewise. Handle EH_REGION; + copy over CALL_INSN_FUNCTION_USAGE. + +2001-09-18 Catherine Moore <clm@redhat.com> + + * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN): + Define as 0. + +2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>: + + * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to + new-style tm_file specification. Specify correct tm_p_file, + md_file, and out_file for s390x. + + * config/s390/linux.h, linux64.h: Don't include other target + macro header files. Now handled via tm_file. + + * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT, + TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they + are defined before use. + +Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com> + + * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf + code generation only for Gnu assembler. + +2001-09-18 Catherine Moore <clm@redhat.com> + + * config/stormy16 (LIB_SPEC): Remove -lnosys. + +2001-09-18 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (mips_frame_set): New. + (mips_emit_frame_related_store): When storing two 32-bit FPRs, use + a parallel frame-related expression with a set for each register. + +2001-09-18 Philip Blundell <philb@gnu.org> + + * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel + header files. + +2001-09-17 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2. + * config/rs6000/aix.h (FIXED_R2): Define. + * config/rs6000/darwin.h (FIXED_R2): Define. + * config/rs6000/sysv4.h (FIXED_R2): Define. + +2001-09-17 Jeff Sturm <jsturm@one-point.com> + + * except.c (dw2_build_landing_pads): New local + clobbers_hard_regs. Emit an ASM_INPUT as a scheduling + barrier after clobbers. Fixes c++/4012. + +2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat. + +2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * dostage2, dostage3, listing, make-l2.com, makefile.vms, + patch-apollo-includes, vmsconfig.com: Remove obsolete files. + +2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of + alloca/strcpy. + +2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_lex_direct): New. + * cpplex.c (_cpp_lex_token): Update. + (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token, + and increment that pointer. + * cppmacro.c (alloc_expansion_token): New. + (lex_expansion_token): Lex macro expansion directly into + macro storage. + +2001-09-16 Brad Lucier <lucier@math.purdue.edu> + + * Makefile.in: Make rtl-error.o depend on $(CONFIG_H). + +Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz> + + * basic-block.h (free_bb_for_insn): Declare. + * bb-reorder.c (label_for_bb): Use block_label. + (emit_jump_to_block_after): Remove. + (insert_intra_1): Do not update block_for_insn. + (insert_inter_bb_scope_notes): Likewise; update bb->end + * cfg.c (free_bb_for_insn): New. + (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call. + (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries. + (commit_one_edge_insertion): Likewise. + (commit_one_edge_insertion): Do not update BB boundary. + (commit_edge_insertions): Do not call compute_bb_for_insn. + * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn. + * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb. + (merge_blocks_move_successor_nojumps): Likewise. + (try_crossjump_to_edge): Do not update block_for_insn. + * combine.c (combine_instructions): Remove compute_bb_for_insn call. + * df.c (df_pattern_emit_later): Do not update BB boundary. + (df_jump_pattern_emit_after): Likewise. + (df_insn_move_before): Use emit_insn_before. + * emit-rtl.c (try_split): Emit after trial to get bb boundary updated + properly. + (add_insn_after, add_insn_before, emit_insns_after): Update BB + boundaries and basic_block_for_insn. + (reorder_insns_nobb): Rename from reorder_insns. + (reorder_insns): New. + (emit_block_insn_before, emit_block_insn_after): Kill. + * flow.c (check_function_return_warnings): Do not call + compute_bb_for_insn; Do not free basic_block_for_insn. + (attempt_auto_inc): Do not update basic_block_for_insn. + * function.c (emit_return_into_block): Likewise; + do not update BB boundaries. + * gcse.c (handle_avail_expr): Do not update basic_block_for_insn. + (insert_insn_end_bb): Use emit_insn_before; Likewise. + (pre_insert_copy_insn): Likewise. + (update_ld_motion_notes): Likewise. + (insert_insn_start_bb): Likewise. + (replace_store_insn): Likewise. + * ifcvt.c (noce_process_if_block): Likewise. + (if_convert): Do not call compute_bb_for_insn. + * lcm.c (optimize_mode_switching): Do not update BB boundaries. + Use emit_insn_before and emit_insn_after. + * recog.c (split_all_insns): Do not update BB boundaries; + Do not call compute_bb_for_insn. + (peephole2_optimize): Do not update BB boundaries. + * reg-stack.c (emit_pop_insn): Use emit_insn_after and + emit_insn_before. + (emit_swap_insn): Likewise. + (convert_regs_1): Likewise. + * reload1.c (reload): Call compute_bb_for_insn. + * rtl.h (reorder_insns_nobb): Declare. + * ssa.c (rename_equivalent_regs): Use emit_insn_before. + * toplev.c (rest_of_compilation): Call free_bb_for_insn + at places CFG is invalidated; do not call compute_bb_for_insn. + + * cfg.c (expunge_block): Invalidate BB structure. + + * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN + array. + + * cfg.c (verify_flow_info): Verify the basic_block_for_insn array. + +2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_lex_token): Update prototype. + * cpplex.c (_cpp_lex_token): New prototype. + * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive, + lex_macro_node, read_flag, do_pragma_poison): Update. + * cppmacro.c (cpp_get_token, parse_params, + lex_expansion_token): Update. + +2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (scan_translation_unit): Don't worry about + putting a space after hashes. + * cpplib.c (directive_diagnostics): New. + (_cpp_handle_directive): Update to use directive_diagnostics. + (run_directive): Don't toggle prevent_expansion. + (do_line): Backup in case of the line extension. + * cpplib.h (cpp_lexer_pos): Remove. + * cppmacro.c (_cpp_create_definition): Precede a leading # + with whitespace. + +2001-09-15 Richard Henderson <rth@redhat.com> + + * c-typeck.c (comptypes): Handle zero-length arrays properly. + +2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * c-common.c (c_promoting_integer_type_p): Handle ?Imode types. + +2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/3571 + * tradcpp.c (handle_directive): Skip non-vertical space. + +2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (setup_callbacks): Set line callback only + if outputting preprocessed source. + +2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (main): Const-ification. + * gcc.c (translate_options, process_command): Use xstrdup in + lieu of xmalloc/strcpy. + (main): Use concat in lieu of xmalloc/strcpy/strcat. + +2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix + example. + +2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * scan-decls.c (scan_decls): Fix typo. + +2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos. + Split mlstring_pos into mls_line and mls_col. + * cppinit.c (cpp_create_reader): Initialize line to 1. + (cpp_destroy): Free tokenruns. + (push_include): Don't update lexer_pos. + * cpplex.c (unterminated, parse_string): Update. + (lex_token): Don't update lexer_pos, update. + * cpplib.c (if_stack): Save line instead of line + col. + (start_directive, _cpp_do__Pragma, do_else, do_elif, + push_conditional, _cpp_pop_buffer): Update. + * cppmacro.c (funlike_invocation_p): Don't save lexer_pos. + (_cpp_create_definition): Update. + +2001-09-15 Eric Christopher <echristo@redhat.com> + + * config/mips/abi64.h: Add support for MEABI. + +2001-09-15 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.md: Add unspec #2. + (reload_indi): Use. + (reload_outdi): Ditto. + (reload_outsi): Ditto. + (HILO_delay): New. + +2001-09-15 Eric Christopher <echristo@redhat.com> + Jason Eckhardt <jle@redhat.com> + + * config.gcc: Add mipsisa32 target and mipsisa32-linux target. + * config/mips/isa32-linux.h: New file. + * config/mips/isa3264.h: Ditto. + * config/mips/mips-protos.h: Add mips_hard_regno_nregs. + * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h. + (output_block_mode): Support MEABI. + (function_arg): Ditto. Fix floating point arg passing. + (mips_va_start): Ditto. + (override_options): Add isas 32 and 64, meabi, mips32 and mips64 + processors. + (mips_asm_file_start): Add new section to pass abi to gdb. + (function_arg_pass_by_reference): Support MEABI. + (mips_parse_cpu): Support mips32 and mips64 processors. + * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC, + TARGET_MIPS5KC. Support isa32 and isa64. + (processor_type): Add r4kc, r5kc, r20kc. + (GENERATE_MULT3_SI): New. + (GENERATE_MULT3_DI): Ditto. + (GENERATE_MULT3): Remove. + (ISA_HAS_64BIT_REGS): Add isa == 64. + (ISA_HAS_8CC): Add mips_isa = 32 and 64. + (ISA_HAS_MADD_MSUB): New. + (ISA_HAS_CLZ_CLO): Ditto. + (ISA_HAS_DCLZ_DCLO): Ditto. + (ABI_GAS_ASM_SPEC): New. + (GAS_ASM_SPEC): Use. Add support for mips32, mips64. + (ASM_SPEC): Ditto. + (LINK_SPEC): Ditto. + (SUBTARGET_CC1_SPEC): Ditto. + (SUBTARGET_CPP_SIZE_SPEC): Ditto. + (PAD_VARARGS_DOWN): Support MEABI. + (HARD_REGNO_NREGS): Move to mips.c. + (ASM_OUTPUT_IDENT): Add #undef. + * config/mips/mips.md: Add r4kc, r5kc, r20kc. + (mulsi3): Use GENERATE_MULT3_SI. + (mulsi3_mult3): Ditto. Support mips32, mips64. + (mul_acc_si): Use ISA_HAS_MADD_MSUB. + (mul_sub_si): New pattern. + (unnamed splitters): New. + (muldi3): Use GENERATE_MULT3_DI. + (muldi3_internal2): Ditto. + (movdicc): Support mips32. + * config/mips/t-isa3264: New file. + +2001-09-15 Hans-Peter Nilsson <hp@axis.com> + + * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT + || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT + || HAVE_POST_DECREMENT]: Call find_regno_note for REGs. + + * reorg.c (fill_slots_from_thread): After call to + steal_delay_list_from_target, update own_thread as new_thread may + have branched. + +2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_location): Take line and column, for + default positioning use the previously lexed token. + (_cpp_begin_message): Take line and column. + (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning, + cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update. + * cpphash.h (_cpp_begin_message): Update prototype. + * cppinit.c (push_include): Don't set output line. + * cpplex.c (_cpp_lex_token): Callback for start of new output lines. + * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update. + (do_pragma): Kludge for front ends. Don't expand macros at all. + * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove. + (struct cpp_token): Remove output_line. + (struct cpp_callbacks): New member line_change. + * cppmacro.c (builtin_macro, paste_all_tokens, replace_args, + cpp_get_token): Preserve BOL flag. + (cpp_get_line): Remove. + (_cpp_backup_tokens): Remove useless abort(). + * cppmain.c (cb_line_change): New. + (scan_translation_unit): Don't worry about starting new lines here. + * scan-decls.c (scan_decls): Update. + * c-lex.c (c_lex, init_c_lex): Update. + (cb_line_change, src_lineno): New. + +Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com) + + * tree.c (append_random_chars): Generate the random + characters in a reproducable fashion. + +2001-09-14 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (internal_label_prefix): New. + (internal_label_prefix_len): New. + (override_options): Set them. + (local_symbolic_operand): New. + (legitimate_pic_address_disp_p): Use it. + (legitimize_pic_address): Likewise. + +2001-09-14 Marc Espie <espie@openbsd.org> + + * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT + correctly. + +2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * config/alpha/alpha.md (unaligned_extendhidi_be): Fix. + * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New. + +2001-09-14 Nick Clifton <nickc@cambridge.redhat.com> + + * rtlanal.c (subreg_regno_offset): Add semicolon to end of + invocation of SUBREG_REGNO_OFFSET. + + * haifa-sched.c: Fix typo in FSF copyright statement. + * sched-deps.c: Fix typo in FSF copyright statement. + * sched-ebb.c: Fix typo in FSF copyright statement. + * sched-rgn.c: Fix typo in FSF copyright statement. + * sched-vis.c: Fix typo in FSF copyright statement. + + * config.gcc: Move inclusion of arm elf specific header files + from the files themselves into the tm_file variable. Make + sure that elfos.h is included before target specific elf + headers. + * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not + already defined. + (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition. + * config/arm.arm.h (TARGET_MEM_FUNCTIONS, + ASM_OUTPUT_CASE_LABEL): Protect definition. + (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if + not already defined. + * config/arm/conix-elf.h: (USER_LABEL_PREFIX, + LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION): + Remove duplicate definition. + (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION, + (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP, + (RDATA_SECTION_FUNCTION): Remove redundant definition. + (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition. + Remove inclusion of arm/elf.h. + * config/arm/unknown-elf.h: as for conix-elf.h. + (STARTFILE_SPEC): Include crti.o and crtn.o. + * config/arm/linux-elf.h: as for conix-elf.h. + * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h. + * config/arm/strongarm-elf.h: Remove inclusion of + unknown-elf.h. + * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h. + * config/arm/unknown-elf-oabi.h: Remove inclusion of + unknown-elf.h and elf.h. + * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h. + * config/arm/linux-gas.h (DBX_DEBUGGING_INFO, + ASM_WEAKEN_LABEL): Remove redundant definition. + * config/arm/elf.h: Test for inclusion of elfos.h + (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT, + ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME, + SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION, + EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove + redundant definition. + (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME, + ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL, + ASM_OUTPUT_ALIGNED_COMMON): Protect definition. + * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o. + Add rules to build crti.o and crtn.o + * crti.asm: New file. + * crtn.asm: New file. + +2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (_yylex): Use _cpp_backup_tokens. + * cpphash.h (struct tokenrun): Add prev. + (struct lexer_state): Remove bol. + (struct cpp_reader): Remove old lookahead stuff, add lookaheads. + (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token) + : Remove. + * cppinit.c (cpp_create_reader): Don't set bol. + (cpp_destroy): Don't free lookaheads. + * cpplex.c (lex_directive): Remove. + (next_tokenrun): Update. + (_cpp_lex_token): Clean up logic. + (lex_token): Update to return a pointer to lexed token, since it + can move to the start of the buffer. Simpify newline handling. + * cpplib.c (SEEN_EOL): Update. + (skip_rest_of_line): Remove lookahead stuff. + (end_directive): Line numbers are already incremented. Revert + to start of lexed token buffer if we can. + (_cpp_handle_directive, do_pragma, do_pragma_dependency, + parse_answer): Use _cpp_backup_tokens. + (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags + instead. Don't check for EOL. + (do_include_common, do_line, do_pragma_system_header): Use + skip_rest_of_line. + * cpplib.h (BOL, _cpp_backup_tokens): New. + * cppmacro.c (save_lookahead_token, take_lookahead_token, + alloc_lookahead, free_lookahead, _cpp_free_lookaheads, + cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove. + (builtin_macro): Don't use cpp_get_line. + (cpp_get_line): Short term kludge. + (parse_arg): Handle directives in arguments here. Back up when + appropriate. Store EOF at end of argument list. + (funlike_invocation_p): Use _cpp_backup_tokens. + (push_arg_context): Account for EOF at end of list. + (cpp_get_token): Remove lookahead stuff. Update. + +2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-parse.in (yyerror): Const-ification and/or static-ization. + * c-typeck.c (push_member_name): Likewise. + * collect2.c (main): Likewise. + * dbxout.c (dbxout_parms): Likewise. + * diagnostic.c (format_with_decl): Likewise. + * dwarf2out.c (output_ranges): Likewise. + * dwarfout.c (fundamental_type_code): Likewise. + * except.c (dw2_output_call_site_table): Likewise. + * gcc.c (do_spec_1): Likewise. + * genopinit.c (optabs): Likewise. + * objc/objc-act.c (synth_id_with_class_suffix, start_class, + gen_declaration_1, handle_impent): Likewise. + * protoize.c (default_include, in_system_include_dir, abspath): + Likewise. + * sched-vis.c (visualize_stall_cycles): Likewise. + * sdbout.c (plain_type_1, sdbout_end_function, + sdbout_end_epilogue): Likewise. + * varasm.c (decode_reg_name): Likewise. + + * 1750a.c (mod_regno_adjust): Likewise. + * alpha.c (alpha_write_one_linkage, + unicosmk_output_default_externs): Likewise. + * arm.c (arm_condition_codes): Likewise. + * arm.h (arm_condition_codes): Likewise. + * avr.c (output_movsisf, encode_section_info): Likewise. + * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL): + Likewise. + * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise. + * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise. + * m88k.c (output_function_profiler): Likewise. + * mips.c (mips_output_conditional_branch): Likewise. + * ns32k.c (ns32k_out_reg_names): Likewise. + * ns32k.h (ns32k_out_reg_names): Likewise. + * pj.c (pj_output_rval): Likewise. + * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise. + * sparc.c (sparc_flat_function_prologue, + sparc_flat_function_epilogue): Likewise. + +2001-09-13 Markus Werle <numerical.simulation@web.de> + Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at + Aachen University of Technology". + +2001-09-13 Andreas Schwab <schwab@suse.de> + + * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for + C99. + +2001-09-13 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (small_symbolic_operand): New. + (override_options): Set MASK_SMALL_DATA based on pic/PIC. + (some_operand, input_operand): Don't handle HIGH. + (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp. + (alpha_expand_mov): Likewise. + (print_operand) [H]: Just print HIGH symbol. + (print_operand_address): Handle small data. + * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New. + (TARGET_SWITCHES): Add -msmall-data/large-data. + (PIC_OFFSET_TABLE_REGNUM): New. + (PREFERRED_RELOAD_CLASS): Don't handle HIGH. + (PREDICATE_COES): Update. + * config/alpha/alpha.md (adddi_er_high): New. + (adddi_er_low): Handle small data. + * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA, + prefer .sdata to .rodata. + (SELECT_RTX_SECTION): Likewise. + +2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com> + + * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from + defining __size_t and leaving size_t undefined. + +2001-09-12 Diego Novillo <dnovillo@redhat.com> + + * basic-block.h (expunge_block): Declare. + * cfg.c (expunge_block): Remove static declaration. + +2001-09-12 Richard Henderson <rth@redhat.com> + + * integrate.c (copy_insn_list): Copy label name from + NOTE_INSN_DELETED_LABEL. + +2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (c_tree_code_name): Const-ification. + * c-decl.c (c_decode_option): Likewise. + * c-typeck.c (warn_for_assignment): Likewise. + * collect2.c (libexts, is_ctor_dtor, main, ignore_library): + Likewise. + * cppinit.c (output_deps): Likewise. + * dependence.c (dependence_string, direction_string): Likewise. + * dwarf2out.c (output_ranges): Likewise. + * fixinc/fixfixes.c (emit_gnu_type): Likewise. + * fixinc/gnu-regex.c (re_error_msgid): Likewise. + * gcc.c (standard_exec_prefix, standard_exec_prefix_1, + standard_startfile_prefix, standard_startfile_prefix_1, + standard_startfile_prefix_2, tooldir_base_prefix, + standard_bindir_prefix, find_a_file): Likewise. + * genattrtab.c (make_length_attrs): Likewise. + * gencheck.c (tree_codes): Likewise. + * genemit.c (gen_split): Likewise. + * genrecog.c (special_mode_pred_table): Likewise. + * graph.c (graph_ext): Likewise. + * protoize (default_include): Likewise. + * reload.c (reload_when_needed_name): Likewise. + * sched-vis.c (visualize_stall_cycles): Likewise. + * tlink.c (recompile_files): Likewise. + * toplev.c (decode_g_option): Likewise. + * tradcpp.c (output_deps): Likewise. + * varasm.c (decode_reg_name): Likewise. + + * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code): + Const-ification. + * arm.md: Likewise. + * avr.c (avr_regnames, encode_section_info): Likewise. + * c4x.c (float_reg_names): Likewise. + * darwin.h (ASM_GLOBALIZE_LABEL): Likewise. + * elfos.h (const_section): Likewise. + * i386.c (ix86_comp_type_attributes): Likewise. + * i386/win32.h (STRIP_NAME_ENCODING): Likewise. + * ia64/aix.h (UNIQUE_SECTION): Likewise. + * ia64.c (type_names): Likewise. + * m68hc11.c (reg_class_names): Likewise. + * m88k.c (m_options): Likewise. + * mips.c (mips_output_conditional_branch, mips_unique_section): + Likewise. + * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise. + * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue, + ultra_code_names): Likewise. + * sparc.h (OVERRIDE_OPTIONS): Likewise. + +2001-09-12 Jakub Jelinek <jakub@redhat.com> + + * configure.in (gcc_cv_as_shf_merge): Fix a typo. + Use --fatal-warnings option for gas. + * configure: Rebuilt. + +2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document. + +2001-09-11 Jim Wilson <wilson@redhat.com> + + * alias.c (clear_reg_alias_info): Only handle pseudo registers. + +2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * builtins.c (c_strlen): Treat an offset too large for a + HOST_WIDE_INT as out of range. + +Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags. + (EDGE_CRITICAL_P): New predicate. + * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL + handling. + (insert_insn_on_edge): Use EDGE_CRITICAL_P. + (dump_edge_info): Remove "crit". + * cfganal.c (mark_critical_edges): Kill. + * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call. + * cfgcleanup.c (cleanup_cfg): Likewise. + * profile.c (instrument_edges): Use EDGE_CRITICAL_P. + (find_spanning_tree): Likewise. + * reg-stack.c (convert_regs_1): Likewise. + * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise. + + * basic-block.h (create_basic_block_structure): New. + (create_basic_block): Update prototype. + (force_nonfallthru): New. + * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru. + * cfg.c (create_basic_block_structure): Rename from create_basic_block; + handle updating of block_for_insn, creating of empty BBs and BBs at + the end of INSN chain. + (create_basic_block): New function. + (split_block): Use create_basic_block. + (force_nonfallthru_and_redirect): Break out from ...; cleanup + (redirect_edge_and_branch_force): ... here. + (force_nonfallthru): New. + (split_edge): Rewrite to use force_nonfallthru and create_block. + * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure. + (find_basic_blocks): Free basic_block_for_insn. + * cfgcleanup.c (merge_blocks): Use force_nonfallthru. + + * cfg.c: Fix formating. + * cfgcleanup.c: Fix formating. + (merge_blocks, tail_recursion_label_p): Return bool. + (merge_blocks_move_predecessor_nojumps, + merge_blocks_move_successor_nojumps): Return void. + +2001-09-11 Jakub Jelinek <jakub@redhat.com> + + * configure.in: Check whether assembler supports section merging. + * config.in: Rebuilt. + * configure: Rebuilt. + * varasm.c (variable_section, output_constant_pool): Pass alignment + to SELECT_SECTION and SELECT_RTX_SECTION. + (mergeable_string_section): New. + (mergeable_constant_section): New. + (default_elf_asm_named_section): Output SECTION_MERGE and + SECTION_STRINGS flags plus SECTION_ENTSIZE entity size. + * output.h (mergeable_string_section): New. + (mergeable_constant_section): New. + (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define. + * toplev.c (flag_merge_constants): New. + (f_options): Add -fmerge-constants and -fmerge-all-constants + options. + (toplev_main): Default to -fno-merge-constants if not optimizing. + * flags.h (flag_merge_constants): Add extern. + * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document. + * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third + argument. + * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): + Define if assembler has working .subsection -1 support. + (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument. + Put constant into special SHF_MERGE sections if the linker should + attempt to merge duplicates. + * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third + macro argument. + Put constant into special SHF_MERGE sections if the linker should + attempt to merge duplicates. + * config/alpha/elf.h: Likewise. + (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler + has working .subsection -1 support. + * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and + SELECT_SECTION. + * config/svr3.h: Likewise. + * config/darwin.h: Likewise. + * config/arm/aof.h: Likewise. + * config/arm/linux-elf.h: Likewise. + * config/avr/avr.h: Likewise. + * config/c4x/c4x.h: Likewise. + * config/d30v/d30v.h: Likewise. + * config/i386/dgux.h: Likewise. + * config/i386/osfrose.h: Likewise. + * config/i386/sco5.h: Likewise. + * config/i386/svr3gas.h: Likewise. + * config/ia64/aix.h: Likewise. + * config/m32r/m32r.h: Likewise. + * config/m68k/m68k.h: Likewise. + * config/m88k/dgux.h: Likewise. + * config/m88k/m88k.h: Likewise. + * config/mcore/mcore-pe.h: Likewise. + * config/mips/mips.h: Likewise. + * config/pa/pa.h: Likewise. + * config/pa/pa-linux.h: Likewise. + * config/romp/romp.h: Likewise. + * config/rs6000/sysv4.h: Likewise. + * config/rs6000/xcoff.h: Likewise. + * config/s390/linux.h: Likewise. + * config/sparc/sparc.h: Likewise. + * config/sparc/sysv4.h: Likewise. + * config/stormy16/stormy16.h: Likewise. + * config/v850/v850.h: Likewise. + * config/vax/vms.h: Likewise. + * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE + and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size. + * config/sparc/sparc.c (sparc_elf_asm_named_section): Use + default_elf_asm_named_section for SHF_MERGE sections. + +Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block + is OK. + +2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (split_specs_attrs): Allow for empty attributes with + empty TREE_PURPOSE. Fixes PR c/4294. + +Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (cached_make_edge, make_single_succ): New. + (make_edge): Remove first parameter. + * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge. + * cfg.c (cached_make_edge): Rename from make_edge; return newly + created edge; use obstack allocation. + (make_edge, make_single_succ_edge): New. + (first_removed_edge): New static variable. + (init_flow): Initialize first_removed_edge and n_edges. + (clear_edges): Use remove_edge. + (flow_delete_block): Likewise. + (remove_edge): Add removed edges to the removed edges list. + (split_block, redirect_edge_and_branch_force, split_edge): + Use make_edge. + * cfganal.c (flow_call_edges_add): Updaet make_edge call. + (add_noreturn_fake_exit_edges): Likewise. + (connect_infinite_loops_to_exit): Liekwise. + * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks): + Use cached_make_edge. + * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge. + * profile.c (branch_prob): Update make_edge call. + * ssa-dce.c (ssa_eliminate_dead_code): Likewise. + +2001-09-11 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c: Tidy formatting. + (local_symbolic_operand): Verify mode. + (alpha_sa_mask): Ignore unicos for eh_return. + (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL. + * config/alpha/alpha.md (umk divsi patterns): Remove. + (extendsfdf2): Remove unicos check. + (tablejump): Merge vms and unicos code; always use direct set + plus label_ref use. + +2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * config.gcc (alpha*-*-unicosmk*): New target. + + * config/alpha/alpha-protos.h (symbolic_operand, + unicosmk_add_call_info_word, unicosmk_add_extern, + unicosmk_defer_case_vector, unicosmk_unique_section, + unicosmk_output_align, unicosmk_text_section, unicosmk_data_section, + unicosmk_asm_file_start, unicosmk_asm_file_end, + unicosmk_output_common): Declare. + + * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand, + direct_return, function_arg, alpha_va_start, alpha_va_arg, + alpha_does_function_need_gp, alpha_end_function): Support Cray + Unicos/Mk. + (alpha_init_machine_status, alpha_mark_machine_status, + alpha_free_machine_status, unicosmk_output_deferred_case_vectors, + unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex, + unicosmk_asm_named_section, unicosmk_insert_attributes, + unicosmk_section_type_flags, symbolic_operand, + unicosmk_output_module_name, unicosmk_output_default_externs, + unicosmk_output_dex, unicosmk_output_externs, + unicosmk_output_addr_vec, unicosmk_ssib_name, + unicosmk_initial_elimination_offset, unicosmk_asm_file_start, + unicosmk_asm_file_end, unicosmk_output_common, + unicosmk_section_type_flags, unicosmk_unique_section, + unicosmk_add_call_info_word, unicosmk_text_section, + unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head, + unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list, + unicosmk_dex_count, unicosmk_special_name): New. + (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for + TARGET_ABI_UNICOSMK. + (get_aligned_mem, alpha_expand_unaligned_load, + alpha_expand_unaligned_store, alpha_expand_unaligned_load_words, + alpha_expand_unaligned_store_words): Support big-endian mode. + (print_operand): Likewise. New format specifier 't'. Use + TARGET_AS_SLASH_BEFORE_SUFFIX. + (alpha_is_stack_procedure): Rename from vms_is_stack_procedure. + (alpha_pv_save_size): Update with above change. + (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue, + alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray + Unicos/Mk. + + * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New. + (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK. + (TARGET_AS_SLASH_BEFORE_SUFFIX): New. + (EXTRA_CONSTRAINT): New constraint 'U'. + (PREDICATE_CODES): Add symbolic_operand. + + * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM, + UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants. + (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK. + (integer division and modulus patterns): Split in default and + Unicos/Mk versions. + (*divmodsi_internal, *divmoddi_internal): Disable for + TARGET_ABI_UNICOSMK. + (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in + little-endian and big-endian versions. + (ext, ins, msk): Likewise. + (extv, extzv, insv): Support big-endian mode. + (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK. + (call_umk, call_value_umk, *call_umk, tablejump_umk, + *tablejump_umk_internal, *call_value_umk): New. + (*movdi_nofix): Add pattern for loading an address into a register on + TARGET_ABI_UNICOSMK. + (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New. + (umk_mismatch_args, arg_home_umk): New. + (various insns): Don't use mov, fmov, nop, fnop and unop. + (realign): Support TARGET_ABI_UNICOSMK. + + * config/alpha/unicosmk.h: New file. + * config/alpha/t-unicosmk: New file. + + * fixinc/inclhack.def (unicosmk_restrict): New. + * fixinc/fixincl.x: Regenerate. + + * ginclude/stddef.h (size_t): Check for and define __SIZE_T__. + (wchar_t): Check for and define __WCHAR_T__. + +2001-09-11 Richard Sandiford <rsandifo@redhat.com> + + * combine.c (simplify_shift_const): Treat shifts by the mode + size as undefined. + +2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct tokenrun): New. + (struct cpp_context): New member bol. + (struct cpp_reader): New members. + (_cpp_init_tokenrun): New. + * cppinit.c (cpp_create_reader): Set up the token runs. + * cpplex.c (lex_directive, lex_token, next_tokenrun): New. + (lex_token): New internalised version of _cpp_lex_token. Don't + handle directives or the multiple include optimization here any + more. Simply lex a token. + * cpplib.c (run_directive): Clear bol. + (_cpp_pop_buffer): Set bol. + * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing + arguments. + +2001-09-11 Michael Meissner <meissner@redhat.com> + + * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and + give an error if the user uses -mfp32. + (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the + default options. + (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the + floating point register size. + (EXTRA_SPECS): Add CPP_FPR_SPEC. + + * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use + HOST_WIDE_INT_PRINT_DEC to properly print the result of + int_size_in_bytes. + * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto. + * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto. + +2001-09-11 Hans-Peter Nilsson <hp@axis.com> + + * dbxout.c (dbxout_parms): Fix typo in comment. + * unroll.c (loop_find_equiv_value): Ditto. + * toplev.c (rest_of_compilation): Ditto. + * loop.c (scan_loop): Ditto. + * dwarf2out.c (struct dw_fde_struct): Ditto. + +2001-09-10 Zack Weinberg <zackw@panix.com> + + * cpplex.c (parse_identifier): Fast-path optimize. Avoid + copying identifier when we're just going to throw it away. + (parse_identifier_slow): New routine to handle abnormal cases. + (_cpp_lex_token): Update call site. + + * hashtable.c (ht_lookup): Don't assume that the string we've + been given is NUL-terminated. + * system.h: #define __builtin_expect(a, b) to (a) if not + GCC >=3.0. + +2001-09-10 Michael Meissner <meissner@redhat.com> + + * config.gcc (sparc64-*-solaris2): Add alias to be compatible with + binutils, gdb. + +2001-09-10 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o). + +Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * builtins.c (c_getstr): Correct thinko in last change and further + cleanup. + +2001-09-10 Tim Freeman <tim@fungibole.com> + + * dwarf2out.c (incomplete_types, decl_scope_table): Make them + into varray's and register them as roots with the garbage + collector so they are not collected too soon. + +Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz> + + * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o): + New. + * basic-block.h (flow_obstack, label_value_list, + tail_recursion_label_list): Declare + (tidy_fallthru_edges): Declare. + (expunge_block, last_loop_beg_note): Delete. + (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare. + * cfg.c: New file + (basic_block_for_insn, label_value_list): Move from flow.c; make global. + (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks, + init_flow, clear_edges, can_delete_note_p, can_delete_label_p, + flow_delete_insn, flow_delete_insn_chain, create_basic_block, + expunge_block, flow_delete_block, compute_bb_for_insn, + update_bb_for_insn, set_block_for_insn, set_block_for_new_insns, + make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup, + redirect_edge_pred, split_block, marge_blocks_nomove, block_label, + try_redirect_by_replacing_jump, last_loop_beg_note, + redirect_edge_and_branch, redirect_edge_and_branch_force, + tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p, + split_edge, insert_insn_on_edge, commit_one_edge_insertion, + commit_edge_insertions, dump_flow_info, debug_flow_info, + dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb, + verify_flow_info, purge_dead_edges, purge_all_dead_edges): + Move here from flow.c + * cfganal.c: New file. + (forwarder_block_p, can_fallthru, mark_critical_edges, + mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add, + find_unreachable_blocks, create_edge_list, free_edge_list, + print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print, + flow_edge_list_print, remove_fake_successors, remove_fake_edges, + add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit, + flow_reverse_top_sort_order_compute, flow_depth_first_order_compute, + flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb, + flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish); + Move here from flow.c + * cfgbuild.c: New file + (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge, + make_edges, find_basic_blocks_1, find_basic_blocks, + find_sub_basic_blocks): Move here from flow.c + * cfgcleanup.c: New file. + (try_simplify_condjump, try_forward_edges, tail_recursion_label_p, + merge_blocks_move_predecessor_nojumps, + merge_blocks_move_successor_nojumps, merge_blocks, + flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge, + try_crossjump_bb, try_optimize_cfg): Move here from flow.c + (delete_unreachable_blocks, cleanup_cfg): Likewise; return true + if succeeded. + * cfgloop.c: New file + (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump, + flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find, + flow_loop_exit_edges_find, flow_loop_nodes_find, + flow_loop_pre_header_scan, flow_loop_pre_header_find, + flow_loop_tree_node_add, flow_loops_tree_build, + flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan, + flow_loops_find, flow_loops_update, flow_loop_outside_edge_p): + Move here from flow.c + * flow.c: Remove everything moved elsewhere + * output.h (cleanup_cfg): Return bool. + + * bb-reorder.c (reorder_block_def): Remove 'index'. + (insert_intra_1): Add argument BB, set block for new note. + (make_reorder_chain): Do not depdent on BB indexes. + (make_reorder_chain_1): Do not use BB indexes. + (label_for_bb): Likewise; set BB for new insn. + (emit_jump_to_block_after): Likewise. + (fixup_reorder_chain): Sanity check that all basic blocks + are chained; verify newly created insn chain; remove + undocnitional jump simplifying; Do not use BB indexes; + properly initialize count and frequency information; + dump reordered sequence. + (insert_intra_bb_scope_notes): update call of insert_intra_1. + (insert_inter_bb_scope_notes): Set block for new insn. + (reorder_basic_blocks): Dump flow info before reoredering. + +Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (clear_reg_alias_info): Use K&R format definition. + Avoid unsigned warning. + * builtins.c: Use "unsigned int", not "unsigned". + (target_char_cast): Use host_integerp and tree_low_cst. + (expand_builtin_args_info, expand_builtin_frame_address): Likewise. + (c_strlen): Likewise; OFFSET now HOST_WIDE_INT. + (c_getstr): Likewise. + (std_expand_builtin_va_arg): Use int_size_in_bytes. + (builtin_memcpy_read_str): Avoid unsigned warning. + (expand_builtin_memcpy): Alignments are unsigned. + (expand_builtin_strncpy, expand_builtin_memset): Likewise. + (expand_builtin_expect_jump): Use integer_zerop and integer_onep. + * predict.c (expensive_function_p): LIMIT now unsigned. + * resource.c (mark_target_live_regs): Make some vars unsigned. + * sdbout.c: Use "unsigned int", not "unsigned". + (MAKE_LINE_SAFE): Add cast to avoid unsigned warning. + (sdbout_source_line): Likewise. + (sdbout_record_type_name): Remove "const" for NAME declaration. + * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes. + +2001-09-10 Richard Sandiford <rsandifo@redhat.com> + + * calls.c (store_one_arg): Expand comment. + +2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * calls.c (store_one_arg): Make sure that the entire argument is + pushed if STACK_PARMS_IN_REG_PARM_AREA is defined. + +2001-09-09 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (adjust_address): Fix mode for LO_SUM. + +Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz> + + * loop.c (combine_givs): Fix computing of benefit once giv is combined. + +2001-09-09 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_next_sequence_number): New. + (alpha_this_literal_sequence_number): New. + (alpha_this_gpdisp_sequence_number): New. + (some_operand, input_operand): Add HIGH. + (local_symbolic_operand): New. + (alpha_encode_section_info): New. + (alpha_legitimate_address_p): Allow LO_SUM. + (alpha_legitimize_address): Generate HIGH+LO_SUM. + (alpha_expand_mov): Likewise. + (secondary_reload_class): Check memory_operand not general_operand + for FP_REGS test. + (alpha_expand_unaligned_load): Force LO_SUM addresses into a register. + (alpha_expand_unaligned_store): Likewise. + (alpha_expand_unaligned_load_words): Likewise. + (alpha_expand_unaligned_store_words): Likewise. + (alpha_expand_block_clear): Likewise. + (print_operand): Handle %#, %*, %H. + (print_operand_address): Handle LO_SUM. + (find_lo_sum): New. + (alpha_does_function_need_gp): Use it. + (alpha_expand_block_move): Fix signed compare warnings. + (alpha_sa_mask, alpha_align_insns): Likewise. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New. + (MASK_EXPLICIT_RELOCS): New. + (TARGET_SWITCHES): Add -mexplicit-relocs. + (EXTRA_CONSTRAINT): Add 'T'. + (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS. + (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion. + (ENCODE_SECTION_INFO): Out line. + (REDO_SECTION_INFO_P): New. + (STRIP_NAME_ENCODING): New. + (ASM_OUTPUT_LABELREF): New. + (PRINT_OPERAND_PUNCT_VALID_P): Add #, *. + (PREDICATE_CODES): Update. + * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er, + call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix, + movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er, + builtin_setjmp_receiver_er, exception_receiver_1_er, + call_value_osf_1_er): New patterns. + (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative. + (movqi, movhi, movsi): Add explicit $31 base register to lda. + * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs. + (FINAL_PRESCAN_INSN): New. + +Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code. + +2001-09-08 Andreas Jaeger <aj@suse.de> + + * i386.h (TARGET_SWITCHES): Fix description. + +2001-09-07 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (num_insns_constant): Compute number of instructions + more accurately. + + * doc/install.texi: Explain AIX exception handling work-around. + Update URL for AIX fixes. + +2001-09-07 Jim Wilson <wilson@redhat.com> + + * alias.c (clear_reg_alias_info): New. + * flow.c (attempt_auto_inc): Call clear_reg_alias_info. + * rtl.h (clear_reg_alias_info): Declare. + +2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is + available. + (UEMUSHORT): New. Use instead of unsigned EMUSHORT. + (m16m,edivm,emulm): Change declaration to match definition. + +2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * reload.c (push_reload): Check for subreg_lowpart_p instead of + SUBREG_BYTE being 0 when determining if the inner part of a subreg + can be reloaded. + +2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * c-common.c (signed_or_unsigned_type): Handle machine mode types + which have no corresponding C type. + * fold_const.c (target_isinf,target_isnan,target_negative): Update + the representation of 64-bit doubles to work with 64-bit ints. + +2001-09-07 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/mips.c (override_options): Do not override ISA when ABI + specified if MIPS_CPU_STRING_DEFAULT was specified. + +2001-09-07 Richard Henderson <rth@redhat.com> + + * loop.c (record_giv): Avoid simplifying MULT to ASHIFT. + (express_from_1): Wrap lines. + * rtlanal.c (commutative_operand_precedence): Rename from + operand_preference; export. + * rtl.h: Declare it. + * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling. + (simplify_binary_operation): Invoke simplify_plus_minus on + (CONST (PLUS ...)) as well. + (struct simplify_plus_minus_op_data): New. + (simplify_plus_minus_op_data_cmp): New. + (simplify_plus_minus): Use them. Avoid infinite recursion with + simplify_binary_operation wrt CONST. + +Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com> + + * h8300-protos.h (general_operand_dst_push): Remove. + * h8300.c (general_operand_dst_push): Likewise. + * h8300.h (OK_FOR_T): Likewise. + (EXTRA_CONSTRAINTS): Do not use OK_FOR_T. + * h8300.md (pushqi_h8300): New. + (pushqi_h8300hs): Likewise. + (pushqi): Likewise. + (pushhi_h8300): Likewise. + (pushhi_h8300hs): Likewise. + (pushhi): Likewise. + +Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * genattrtab.c (attr_printf): First arg is unsigned. + Clean up formatting of callers. + +2001-09-06 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/mips.c (override_options): Allow abi32 with 64 bit + registers. + +2001-09-07 Andreas Jaeger <aj@suse.de> + + * i386.h (TARGET_SWITCHES): Fix descriptions. + +2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * stor-layout.c (compute_record_mode): Check DECL_SIZE is set. + +2001-09-06 Ira Ruben <ira@apple.com> + + Remove OP_IDENTIFIER. + * tree.def (OP_IDENTIFIER): Remove. + * tree.c (tree_node_kind enum): Remove op_id_kind. + (tree_node_kind_names): Remove "op_identifiers". + (make_node): Remove OP_IDENTIFIER test. + (build_op_identifier): Removed because it isn't being used. + * print-tree.c (print_node): Remove OP_IDENTIFIER case. + * cp/pt.c (tsubst): Remove OP_IDENTIFIER case. + +2001-09-06 Richard Henderson <rth@redhat.com> + + * simplify-rtx.c (simplify_binary_operation): Revert last change. + +2001-09-06 Richard Henderson <rth@redhat.com> + + * simplify-rtx.c (simplify_binary_operation): Simplify contents + of CONST. + +2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register + number used for CR register. + +Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com) + Joern Rennecke (amylaar@cygnus.com) + + * h8300-protos.h (h8300_return_addr_rtx): New prototype. + * h8300.c (initial_offset): Handle offset between RP and FP. + (h8300_return_addr_rtx): New function. + * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a + return register. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes. + (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise. + (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise. + (CAN_ELIMINATE, REGISTER_NAMES): + (RETURN_ADDR_RTX): Call h8300_return_addr_rtx. + +2001-09-06 Nathan Sidwell <nathan@codesourcery.com> + + Remove TYPE_NONCOPIED_PARTS. + * tree.h (TYPE_NONCOPIED_PARTS): Remove. + (struct tree_type): Remove noncopied_parts. + * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO. + * expr.c (save_noncopied_parts, init_noncopied_parts): Remove. + (fixed_type_p): Remove. + (expand_expr, INIT_EXPR): Don't deal with noncopied parts. + (expand_expr, MODIFY_EXPR): Likewise. + * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS. + * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME. + +2001-09-06 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid + compiler warnings. + (mask64_operand): Likewise. + (includes_rldic_lshift_p): Likewise. + (includes_rldicr_lshift_p): Likewise. + +2001-09-05 Ziemowit Laski <zlaski@apple.com> + + * objc/objc-act.c (build_message_expr): If a class method cannot + be found, do not issue a warning if a corresponding instance + method exists in the root class. + +2001-09-05 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_expand_mov): Initialize temp. + +2001-09-05 Zack Weinberg <zack@codesourcery.com> + + * function.c (ggc_mark_struct_function): Mark f->outer. + * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here... + * integrate.c (output_inline_function): ... not here. + +Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz> + + * profile.c (branch_prob): Call add_noreturn_fake_exit_edges. + + * i386.c (size_cost): New static variable. + (override_function): Use size_cost when -Os is specified. + + * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue + properly; Use current_function_calls_eh_return. + (ix86_expand_epilogue): Avoid dummy optimize_size tests; + use leave to avoid dependency chain. + + * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream; + get BB loop_depth instead of computing it from LOOP notes. + + * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves. + +2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. + * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Define + +2001-09-05 Jeffrey A Law (law@cygnus.com) + Jason Merrill (jason@redhat.com) + + * stor-layout.c (layout_type): Complain if an array's size can + not be represented in a size_t. + + * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define. + +2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com> + + * gcc.c: (process_command) Add parentheses around assignment + used as truth value. + +2001-09-05 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (save_restore_insns): Don't mark any register + save slots as unchanging if current_function_calls_eh_return. + +2001-09-05 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_legitimate_address_p): New. + * config/alpha/alpha-protos.h: Declare it. + * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file. + (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro. + (NONSTRICT_REG_OK_FP_BASE_P): Likewise. + (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro. + (REG_OK_FOR_BASE_P): Select one of the above. + +2001-09-05 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead. + (crti.o): Prefix name of object file with $(T). + (crtn.o): Likewise. + +2001-09-05 David S. Miller <davem@redhat.com> + + * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC. + * config/sparc/linux64.h: Likewise. + +2001-09-05 Andreas Jaeger <aj@suse.de> + + * doc/invoke.texi (i386 Options): -mwide-multiply is not + available anymore, remove the documentation. + (i386 Options): Fix typo, cleanup index entries. + + * prefix.c (concat): Remove, we can use the version from liberty. + +2001-09-05 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx): + New functions split out of md file expanders. + * config/alpha/alpha-protos.h: Declare them. + * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them. + +2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (funlike_invocation_p): No need to restore context. + +2001-09-04 Richard Henderson <rth@redhat.com> + + * reload.c (push_reload): Export. + * reload.h (push_reload): Declare it. + + * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line. + (LEGITIMIZE_RELOAD_ADDRESS): Likewise. + * config/alpha/alpha.c (alpha_legitimize_address): New. + (alpha_legitimize_reload_address): Likewise. + * config/alpha/alpha-protos.h: Declare them. + +2001-09-04 Stan Shebs <shebs@apple.com> + + * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define. + * config/darwin.c (machopic_stub_name): Account for internally + generated lib calls such as memcpy. + +2001-09-04 Richard Henderson <rth@redhat.com> + + * unwind.h (_UA_END_OF_STACK): New flag. + * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it. + +Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com) + + * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8. + +2001-09-04 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (save_restore_insns): Change base_offset to + fp_offset in second call to mips_emit_frame_related_store. + +2001-09-04 Hans-Peter Nilsson <hp@axis.com> + + * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can + sometimes be represented as a NOTE of type + NOTE_INSN_DELETED_LABEL. + (Insns): Document NOTE_INSN_DELETED_LABEL. + +2001-09-04 Nathan Sidwell <nathan@codesourcery.com> + + * c-common.h (tree_dump_index): Add more comments. + * c-dump.c (dump_files): Name flags `tree' rather than `ast'. + (dump_option_value_info): New struct. + (dump_options): New array. + (dump_switch_p): Parse switch options symbolically. + * doc/invoke.texi (-fdump-ast): Rename to ... + (-fdump-tree): ... here. Document that options are symbolic, and + not all are applicable. + +2001-09-04 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md (define_splits): Kill constraints. + + Cleanup redundant and unused insn attributes. + * config/sparc/sparc.md (define_attr "insn"): Kill address, unary, + binary, and move. Mark ialu as default. + (commented out define_function_unit "alu"): Kill. + (define_attr "use_clobbered"): Kill. + (whole file): Kill address insn type references. Replace + all unary/binary/move references with ialu. + * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS + references. Replace TYPE_{UNARY,BINARY,MOVE} references with + TYPE_IALU. + + Simplify length insn attribute and make more judicious use + of insn attribute defaulting. + * config/sparc/sparc.md (all insns with length > one): Mark as + insn type multi if real instructions, else use default if + it is a forced splitter. + (all insns with length == one): Use default insn length. + (all insns of type ialu): Use default insn type. + + Fix erroneous insn attribute settings. + (addx): Set insn type to misc. + (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64, + const_umulsidi3_sp64): Set insn type to imul. + + Track SFmode vs DFmode insns according to UltraSPARC + scheduling rules. + * config/sparc/sparc.md ("fptype"): New attribute, default + to "single". + (all DFmode single insns): Mark as fptype "double". + +2001-09-03 Jakub Jelinek <jakub@redhat.com> + + * loop.c (express_from_1): Fix CONSTANT_P(a) case. + +2001-09-03 Richard Henderson <rth@redhat.com> + + * function.h (struct function): Add arg_pointer_save_area_init. + * function.c (expand_function_end): Init arg_pointer_save_area. + (get_arg_pointer_save_area): Do not init arg_pointer_save_area + when called from a nested function. + +2001-09-02 Angela Marie Thomas <angela@cygnus.com> + + * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode + is enabled. + +Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence. + +2001-09-01 Geoffrey Keating <geoffk@redhat.com> + + * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD. + (emit_push_insn): Use specified padding direction when + STACK_PUSH_CODE is POST_INC. + + * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0. + +2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'. + +2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_start_read): Free the imacros list as we + traverse it. Don't free the chains before returning. + (_cpp_push_next_buffer): Only try pushing buffers if we've + completed -imacros handling. + +2001-08-31 Eric Christopher <echristo@redhat.com> + + * gcc.c (handle_braces): Add explaination for abort. + +2001-08-30 Roman Zippel <zippel@linux-m68k.org> + + * expmed.c (store_bit_field): Update to patch from 2001-08-27: + move adjustment of bitpos instead. + +2001-08-31 Zack Weinberg <zack@codesourcery.com> + + * function.c: Remove all_functions. Make outer_function_chain + static. + (init_function_start): Don't add new function structure to + all_functions. + (find_function_data, push_function_context_to, + pop_function_context_from, put_var_into_stack, + trampoline_address): Update for changed structure element names. + (push_function_context_to): Disentangle. + (free_after_compilation): Also free F. + (expand_dummy_function_end): Don't free cfun here. + (put_var_into_stack): Comment why we can't use find_function_data here. + (fix_lexical_addr, trampoline_address, ): Use find_function_data. + (mark_function_chain): Split into maybe_mark_struct_function and + ggc_mark_struct_function. Export the latter. + (init_function_once): Mark from cfun and outer_function_chain; + not all_functions. + + * function.h (struct function): Kill next_global. Rename next + to outer. All users updated to match. + (all_functions, outer_function_chain): Don't declare. + + * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS. + * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS, + don't touch f->inlinable, after calling rest_of_compilation. + + * tree.h: Forward-declare struct function. Prototype + ggc_mark_struct_function. + +2001-08-31 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (*andorhi3): Fix typos. + +2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * calls.c (emit_library_call_value): Don't use a fixed + argument after VA_CLOSE, i.e. out of scope in traditional C. + + * emit-rtl.c (gen_rtvec): Likewise. + +2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (c-pragma.o): Depend on output.h. + (reorg.o): Depend on except.h. + + * c-pragma.c: Include output.h. + + * reorg.c: Include except.h. + + * unwind-dw2.c: Call __builtin_alloca, not alloca. + +2001-08-31 Richard Henderson <rth@redhat.com> + + * sched-deps.c (add_dependence): Don't elide dependency if the + conditional used by insn is modified in elem. + +2001-08-31 Nick Clifton <nickc@cambridge.redhat.com> + + * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define. + +2001-08-31 Diego Novillo <dnovillo@redhat.com> + + * c-decl.c (c_decode_option): Skip '-f' prefix before calling + dump_switch_p. + +2001-08-31 Geoffrey Keating <geoffk@redhat.com> + + * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New + function. + (stormy16_asm_out_constructor): New function. + (TARGET_ASM_CONSTRUCTOR): Define. + (TARGET_ASM_DESTRUCTOR): Define. + +2001-08-31 Andreas Jaeger <aj@suse.de> + + * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST. + * loop.c (add_label_notes): Likewise. + * reload.c (find_reloads): Likewise. + * config/sh/sh.c (machine_dependent_reorg): Likewise. + +2001-08-31 Jason Merrill <jason_merrill@redhat.com> + + * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading + code here. Take _Unwind_{W,Sw}ord*. + (read_encoded_value_with_base): Use them. + * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg + words. + (extract_cie_info): Simplify read_?leb128 handling. + (execute_stack_op, execute_cfa_program): Likewise. + * unwind-dw2-fde.c (get_cie_encoding): Likewise. + +2001-08-31 Geoffrey Keating <geoffk@redhat.com> + + * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use + the frame pointer to pop the stack if convenient. + + * config/stormy16/stormy16.c (stormy16_initialize_trampoline): + Don't use post-increment before combine. + * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use + a call-saved register. + +2001-08-31 Andreas Jaeger <aj@suse.de> + + * jump.c (mark_jump_label): Revert patch from 2001-08-28, the + code was correct. + +2001-08-30 Geoffrey Keating <geoffk@redhat.com> + + * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD, + not DIV/MOD, of course. + +2001-08-30 Vladimir Makarov <vmakarov@redhat.com> + + * rtl.def: Undo my patch commited 2001-08-27. + + * genattrtab.c: Ditto. + + * rtl.h: Ditto. + + * sched-int.h: Ditto. + + * target-def.h: Ditto. + + * target.h: Ditto. + + * haifa-sched.c: Ditto. + + * sched-rgn.c: Ditto. + + * sched-vis.c: Ditto. + + * Makefile.in: Ditto. + + * doc/md.texi: Ditto. + + * doc/tm.texi: Ditto. + + * doc/contrib.texi: Ditto. + + * doc/gcc.texi: Ditto. + + * genattrtab.h: Remove it. + + * genautomata.c: Remove it. + + * genattr.c: Undo my patch and Richard Henderson's patch commited + 2001-08-27. + +Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com> + + * config.gcc (h8300-*-elf*): New case. + * h8300.h (CPP_SPEC): Add subtarget_cpp_spec. + (SUBTARGET_CPP_SPEC): Define. + (EXTRA_SPECS): Define. + (SUBTARGET_EXTRA_SPECS): Define. + * config/h8300/crti.asm, config/h8300/crtn.asm: New files. + * config/h8300/elf.h, config/h8300/t-elf: Likewise. + +Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com> + + * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm. + (LIB2FUNCS_EXTRA): Define. + config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm . + config/h8300/fixunssfsi.c: New file. + +2001-08-30 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (zero_extendqihi2): Changes to + define_expand to accommodate target-specific attributes. + (anonymous zero_extendqihi2 patterns): New. + +Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com> + + * h8300.md (*andorhi3): New pattern. + +Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com> + + * h8300.c (dosize): Fix test for "sub". + +Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com> + + * c-typeck.c (pointer_diff): Try to eliminate common term before + doing conversions. + +2001-08-30 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_compute_initial_elimination_offset): + Account for the saves of the FP registers. + + * config/arm/unknown-elf.h (TEXT_SECTION): Delete. + (TEXT_SECTION_ASM_OP): Define. + (INIT_SECTION_ASM_OP): Define. + (FINI_SECTION_ASM_OP): Define. + (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma. + (RDATA_SECTION_FUNCTION): Provide prototype. + +2001-08-29 Geoffrey Keating <geoffk@redhat.com> + + * reload1.c (move2add_note_store): Correct typo checking for + argument pushes. + +2001-08-29 Andrew MacLeod <amacleod@redhat.com> + + * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL + note should not be considered outside the libcall block. + +2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Add a prototype for + emit_logical_op. + * config/h8300/h8300.c (emit_logical_op): New. + * config/h8300/h8300.md (andhi3): Use emit_logical_op. + (andsi3): Likewise. + (iorhi3): Likewise. + (iorsi3): Likewise. + (xorhi3): Likewise. + (xorsi3): Likewise. + +2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for + comparison with rtx INTVAL. + (pa_output_function_prologue): Don't mix signed and unsigned in `?' + expression. + * pa.h (FUNCTION_ARG_SIZE): Likewise. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/lib1funcs.asm: Update the copyright. Fix + comment typos. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (anonymous movhi pattern): Don't move + (reg n) to (mem (pre_dec (reg n)) + (anonymous movsi pattern): Likewise. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (RETURN_ADDR_RTX): New. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of + several special constants. + +2001-08-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/lib1funcs.asm: Fix comment typos. + +2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT): + Fix format specifier warnings. + + * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof, + inet_makeaddr, semctl): Prototype. + + * mips.c (compute_frame_size): Fix signed/unsigned warnings. + (save_restore_insns): Use base_offset, not gp_offset. + + * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning. + (ASM_OUTPUT_BYTE): Fix format specifier warning. + +2001-08-29 Richard Henderson <rth@redhat.com> + + * bb-reorder.c (function_tail_eff_head): New. + (record_effective_endpoints): Set it. + (fixup_reorder_chain): Use it. + +2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change. + +2001-08-28 Dale Johannesen <dalej@apple.com> + + * config/darwin.c (machopic_function_base_name): Add const + qualifier to a string. + (darwin_encode_section_info): Ditto. + +2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tree.c (default_valid_attribute_p): Don't use PARAMS on a + function definition. + +2001-08-28 Daniel Berlin <dan@cgsoftware.com> + + * df.h (struct df): Add rts_order variable. + + * df.c (df_visit_next_rts): New function. + (df_visit_next): Renamed to df_visit_next_rc + (df_analyse_1): Allocate/compute/free rts_order as well. + (df_rd_global_compute): Use df_visit_next_rc instead of + df_visit_next. + (df_ru_global_compute): Use df_visit_next_rts instead of + df_visit_next. + + * flow.c (flow_reverse_top_sort_order_compute): New function. + + * basic-block.h: Add prototype. + +2001-08-28 Daniel Berlin <dan@cgsoftware.com> + + * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable + blocks, the BB_REACHABLE is now set, rather than aux being + non-NULL. Update the test to reflect this. + +2001-08-28 Eric Christopher <echristo@redhat.com> + + * config/mips/crtn.asm: Add comment explaining 16 byte alignment. + config/mips/crti.asm: Ditto. + +2001-08-28 Eric Christopher <echristo@redhat.com> + Richard Henderson <rth@redhat.com> + + * c-pragma.h (add_weak): Move prototype from here... + * output.h (add_weak): ... to here. + * varasm.c (add_weak): Fix typo. + * config/mips/crti.asm: New file. + * config/mips/crtn.asm: Ditto. + * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef. + (CTOR_LISTS_DEFINED_EXTERNALLY): Remove. + (INVOKE__main): Ditto. + (INIT_SECTION_ASM_OP): New. + (FINI_SECTION_ASM_OP): Ditto. + (STARTFILE_SPEC): Add crti. + (ENDFILE_SPEC): Add crtn. + * config/mips/elf64.h: Same. + * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN): + Remove. + * config/mips/vxworks.h: Ditto. + * config/mips/t-elf: Support crti and crtn. + +2001-08-28 Alexandre Oliva <aoliva@redhat.com> + + * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not + INSN_LIST. + +2001-08-28 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos. + (one_cmplbi2 splitter): Remove redundant test. + +2001-08-28 Dale Johannesen <dalej@apple.com> + + * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define. + +2001-08-28 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64. + +2001-08-28 Stan Shebs <shebs@apple.com> + + * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names. + (UNALIGNED_SHORT_ASM_OP): Define. + (UNALIGNED_INT_ASM_OP): Define. + +2001-08-28 Will Cohen <wcohen@redhat.com> + + * config/rs6000/rs6000.md (store_multiple): Correct RTL + generation for first set. + +2001-08-27 Roman Zippel <zippel@linux-m68k.org> + + * flow.c (redirect_edge_succ_nodup): Return new edge. + (try_simplify_condjump): Use new edge. + * basic-block.h (redirect_edge_succ_nodup): Update prototype. + + * cse.c (cse_basic_block): Skip note instructions. + +2001-08-27 Richard Henderson <rth@redhat.com> + + * combine.c (combine_simplify_rtx): Don't reverse condition + if there is no reverse for the condition. + (simplify_comparison): Don't simplify subregs from INT to FP. + + * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1, + suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1, + sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1, + bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, + bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev, + bunle_rev, bunlt_rev, bltgt_rev): New patterns. + +2001-08-27 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi, + bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset. + (pushqi1): New. + (adddi_dilshr32, adddi_dishl32): Only data register can be + source for mem destination. + + * expmed.c (store_bit_field): Ignore adjustment to bitpos + and use bitnum to decide about register move. + +2001-08-27 Richard Henderson <rth@redhat.com> + + * genattr.c (main): Emit state_t even when not doing scheduling. + +2001-08-27 Roman Zippel <zippel@linux-m68k.org> + Richard Henderson <rth@redhat.com> + + * gcse.c (reg_first_set, reg_last_set): Replace with ... + (reg_avail_info, current_bb): ... these. + (oprs_unchanged_p, record_last_reg_set_info): Use them. + (compute_hash_table): Likewise. + +2001-08-27 Roman Zippel <zippel@linux-m68k.org> + + * flow.c (verify_flow_info): Use checksums to verify edges. + +2001-08-27 Richard Henderson <rth@redhat.com> + + * genautomata.c (expand_automata): Always create a description. + +2001-08-27 Geoffrey Keating <geoffk@redhat.com> + + * optabs.c (expand_binop): Correctly handle the carry in multiword + add/subtract operations. + +2001-08-27 Fred Fish <fnf@be.com> + + * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be + __SIZE_TYPE__. + +2001-08-27 Geoffrey Keating <geoffk@redhat.com> + + * reload.c (find_reloads_toplev): Back out this change: + + Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com> + + * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a + mem if the address is a mode_dependent_address_p. + +2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com> + + * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET, + PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON, + AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New + RTL constructions. + + * genattr.c (main): New variable num_insn_reservations. Increase + it if there is DEFINE_INSN_RESERVATION. Output automaton based + pipeline hazard recognizer interface. + + * genattrtab.h: New file. + + * genattrtab.c: Include genattrtab.h. + (attr_printf, check_attr_test, make_internal_attr, + make_numeric_value): Move protypes into genattrtab.h. Define them + as external. + (num_dfa_decls): New global variable. + (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, + DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET, + DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION, + DEFINE_INSN_RESERVATION. Call expand_automata and write_automata. + + * genautomata.c: New file. + + * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them. + + * sched-int.h: (curr_state): Add the external definition for + automaton pipeline interface. + (haifa_insn_data): Add comments for members blockage and units. + + * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, + TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, + TARGET_SCHED_DFA_POST_CYCLE_INSN, + TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, + TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New + macros. + (TARGET_SCHED): Use the new macros. + + * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn, + dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn, + first_cycle_multipass_dfa_lookahead, init_dfa_bubbles, + dfa_bubble): New members in gcc_target.sched. + + * haifa-sched.c (insert_schedule_bubbles_p): New variable. + (MAX_INSN_QUEUE_INDEX): New macro for automaton interface. + (insn_queue): Redefine it as pointer to array. + (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of + INSN_QUEUE_SIZE. + (max_insn_queue_index_macro_value): New variable. + (curr_state, dfa_state_size, ready_try): New varaibles for + automaton interface. + (ready_element, ready_remove, max_issue): New function prototypes + for automaton interface. + (choose_ready): New function prototype. + (insn_unit, blockage_range): Add comments. + (unit_last_insn, unit_tick, unit_n_insns): Define them for case + FUNCTION_UNITS_SIZE == 0. + (insn_issue_delay, actual_hazard_this_instance, schedule_unit, + actual_hazard, potential_hazard): Add comments. + (insn_cost): Use cost -1 as undefined value. Remove + LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton + pipeline interface. + (ready_element, ready_remove): New functions for automaton + interface. + (schedule_insn): Add new code for automaton pipeline interface. + (queue_to_ready): Add new code for automaton pipeline interface. + Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE. + (debug_ready_list): Print newline when the queue is empty. + (max_issue): New function for automaton pipeline interface. + (choose_ready): New function. + (schedule_block): Add new code for automaton pipeline interface. + Print ready list before scheduling each insn. + (sched_init): Add new code for automaton pipeline interface. + Initiate insn cost by -1. + (sched_finish): Free the current automaton state and finalize + automaton pipeline interface. + + * sched-rgn.c: Include target.h. + (init_ready_list, new_ready, debug_dependencies): Add new code for + automaton pipeline interface. + + * sched-vis.c: Include target.h. + (get_visual_tbl_length): Add code for automaton interface. + (target_units, print_block_visualization): Add comments. + + * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB, + USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables. + (sched-rgn.o, sched-vis.o): Add new dependency file target.h. + (getruntime.o, genautomata.o): New entries. + (genattrtab.o): Add new dependency file genattrtab.h. + (genattrtab): Add new dependencies. Link it with `libm.a'. + (getruntime.o, hashtab.o): New entries for canadian cross. + + * doc/md.texi: Description of automaton based model. + + * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST): + Add comments. + (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, + TARGET_SCHED_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_DFA_POST_CYCLE_INSN, + TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, + TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, + TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new + hook descriptions. + (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE, + MAX_DFA_ISSUE_RATE): New macro descriptions. + + * doc/contrib.texi: Add dfa based scheduler contribution. + + * doc/gcc.texi: Add more information about genattrtab. + +2001-08-27 Diego Novillo <dnovillo@redhat.com> + + * flow.c (flow_loop_dump): Do not display insn UIDs if this is not + an RTL basic block. + +2001-08-27 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_end): Don't init arg_pointer_save_area. + (get_arg_pointer_save_area): New. Create an init it here. + (fix_lexical_addr): Use it. + * function.h: Declare it. + * builtins.c (expand_builtin_setjmp_receiver): Use it. + * stmt.c (expand_nl_goto_receiver): Use it. + +2001-08-27 Richard Henderson <rth@redhat.com> + + * final.c (final_scan_insn): Don't enter APP_ON mode for + empty asm strings. + + * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper + alignment for assemble_integer for DW_EH_PE_aligned. + * except.c (output_function_exception_table): Likewise. + +2001-08-26 Andreas Jaeger <aj@suse.de> + + * c-tree.h: Add prototyp for c_sizeof_nowarn. + +2001-08-25 Dan Nicolaescu <dann@ics.uci.edu> + + * ssa-ccp.c (ssa_const_prop): Free ssa_edges. + +2001-08-27 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (mask_operand): Rewrite without + bit-shifting loop. + (mask64_operand): Likewise. + (rldic_operand): Delete. + (includes_lshift64_p): Delete. + (includes_rldic_lshift_p): New function. + (includes_rldicr_lshift_p): New function. + (print_operand): Don't call rldic_operand in case 'W'. + * config/rs6000/rs6000-protos.h (rldic_operand): Remove. + (includes_lshift64_p): Remove. + (includes_rldic_lshift_p): Declare. + (includes_rldicr_lshift_p): Declare. + * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand. + * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>: + Replace match_operand rldic_operand predicate with + const_int_operand. Replace includes_lshift64_p condition with + includes_rldic_lshift_p. + <ashldi3_internal 64 bit rldicr patterns>: New. + +2001-08-27 Andreas Jaeger <aj@suse.de> + + * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout. + * errors.c: Likewise. + * final.c: Likewise. + * dwarf2asm.c: Likewise. + * doprint.c (checkit): Likewise. + * diagnostic.c: Likewise. + * collect2.c: Likewise. + * calls.c: Likewise. + * c-semantics.c (build_stmt): Likewise. + * c-format.c (status_warning): Likewise. + * c-errors.c (pedwarn_c99): Likewise. + * builtins.c (validate_arglist): Likewise. + * config/pj/pj.c (pj_printf): Likewise. + * fix-header.c: Likewise. + * gcc.c: Likewise. + * gcov.c (fnotice): Likewise. + * gensupport.c (message_with_line): Likewise. + * mips-tfile.c: Likewise. + * protoize.c (notice): Likewise. + * read-rtl.c (fatal_with_file_and_line): Likewise. + * rtl-error.c: Likewise. + * tradcpp.c: Likewise. + * tree.c: Likewise. + * cp/tree.c (build_min_nt): Likewise. + (build_min): Likewise. + * cp/lex.c: Likewise. + * cp/errfn.c: Likewise. + * cp/rtti.c (create_pseudo_type_info): Likewise. + +Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru> + + * df.c (df_uses_record): Return after recording all uses + in ASM_OPERANDS. + +2001-08-26 Daniel Berlin <dan@cgsoftware.com> + + * df.c (df_insn_modify): Realloc the INSN table here, if + necessary, here, too. + +2001-08-26 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/mips.c (mips_function_value): Handle complex return + values. + +2001-08-25 Hans-Peter Nilsson <hp@bitrange.com> + + * reload1.c (reload): Make all entries in reg_equiv_memory_loc + unshared. + * reload.c (make_memloc): Copy result if it is still + reg_equiv_memory_loc[regno] on return. + (subst_reloads) [ENABLE_CHECKING]: Check that none of + reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and + reg_equiv_mem are modified by the substitutions. + +Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (expensive_function_p): New. + * rtl.h (expensive_function_p): Declare. + * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant. + (use_fast_prologue_epilogue): New static variable. + (expand_prologue): Set it; emit short prologues if unset. + (expand_epilogue): Likewise. + +2001-08-22 Geoffrey Keating <geoffk@redhat.com> + + * config.gcc: Add stormy16-*-elf case. + * config/stormy16/stormy-abi: New file. + * config/stormy16/stormy16-lib2.c: New file. + * config/stormy16/stormy16-protos.h: New file. + * config/stormy16/stormy16.c: New file. + * config/stormy16/stormy16.h: New file. + * config/stormy16/stormy16.md: New file. + * config/stormy16/t-stormy16: New file. + +Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (no-accumulate-outgoing-args): Use proper mask. + +2001-08-24 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function + descriptor members are pointer size, not constant 4. + * config/rs6000/rs6000.md (define_splits): Remove more unused + constraints. + +2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning. + +2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk + + * cp/rtti.c (VPARAMS): Fix parameter. + +2001-08-24 Zack Weinberg <zackw@panix.com> + + * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv + to zero. + (mode_for_extraction): No need for #ifdefs. Add default-case abort + to switch. + (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv + in if controlling use of insv. + (extract_bit_field): Likewise, for extv and extzv. + +Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movcc peep2): Fix load of 0. + +2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR, + *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR. + +2001-08-23 Jason Merrill <jason_merrill@redhat.com> + + * c-pragma.h: Move weak_syms and weak_decls... + * varasm.c: ...here. Now static. + (declare_weak, weak_finish, remove_from_pending_weak_list): Don't + depend on HANDLE_PRAGMA_WEAK. + + * c-common.c (c_alignof, c_alignof_expr): Move here... + * c-typeck.c: ...from here. + * c-tree.h, c-common.h: Adjust. + +2001-08-23 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (rws_update): If !pred, set write_count + instead of incrementing it. + + * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one + asm ready, don't try to move them all into the same array element. + +Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * function.c (thread_prologue_and_epilogue_insns): Avoid + fallthru flag on edge to exit. + + * i386.md (trunc?fsi splitter): Conditionionize for non-sse. + + * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge + dead edges. + +2001-08-23 Lars Brinkhoff <lars@nocrew.org> + + * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove. + * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise. + * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx): + Remove prototype. + +2001-08-23 Lars Brinkhoff <lars@nocrew.org> + + * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h: + replace "GNU CC" with "GCC". + +2001-08-23 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt. + Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode. + (ia64_secondary_reload_class): Need GR between AR/BR and anything. + Need GR between FR and not GR_AND_FR. + * config/ia64/ia64-protos.h (ia64_register_move_cost): Update. + * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move + AR regs before GR regs. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update. + (PREFERRED_RELOAD_CLASS): Tweak for reordered classes. + (REGISTER_MOVE_COST): Update. + (MEMORY_MOVE_COST): Add GR_AND_FR_REGS. + +2001-08-23 Richard Henderson <rth@redhat.com> + + * regclass.c (init_reg_sets_1): Don't assume cost 2 within + a register class. + +2001-08-22 Geoffrey Keating <geoffk@redhat.com> + + * reload1.c (emit_reload_insns): Don't look for notes + on a NULL store_insn. + +2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.c (uns_small_int): Don't reference a constant >32-bit. + (addrs_ok_for_ldd_peep): Fix signed/unsigned warning. + (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix + format specifier warnings. + (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED. + +2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/i386-protos.h: Correct declaration of + i386_pe_asm_named_section. + +2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for + variable i. + * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. + +2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_location): Don't show _Pragma. + * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing + and file change callback generation here. + (stack_include_file): Update use of cpp_push_buffer. + * cpphash.h (_cpp_pop_file_buffer): Update prototype. + (struct cpp_buffer): Remove type, pfile members. + * cppinit.c (cpp_handle_option): Use free_chain. + * cpplex.c (_cpp_lex_token): Don't do -include file pushing here. + (skip_escaped_newlines, get_effective_char, lex_percent): Take + a cpp_reader rather than a cpp_buffer. + (skip_escaped_newlines, get_effective_char, skip_block_comment, + skip_line_comment, parse_string, lex_percent, lex_dot, + _cpp_lex_token): Update accordingly. + * cpplib.c (_cpp_pop_buffer): Don't do file change callback + generation here. + (cpp_push_buffer): Update prototype. + (run_directive): Update use of cpp_push_buffer. + (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef, + handle_assertion): Update use of run_directive. + * cpplib.h (enum cpp_buffer_type): Remove. + (cpp_push_buffer): Update prototype. + * fix-header.c (read_scan_file): Update. + +2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * gcc.c (struct prefix_list): Change prefix to const char *. + +2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn. + +2001-08-22 Jason Merrill <jason_merrill@redhat.com> + + * explow.c (set_mem_attributes): Avoid returning a bogus alias set + from a new MEM. + + * jump.c (squeeze_notes): Take parms by reference. Handle END being + a squeezable note. + * rtl.h: Adjust. + * ifcvt.c (dead_or_predicable): Adjust. + * loop.c (find_and_verify_loops): Adjust. + * stmt.c (expand_end_case): Adjust. + * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the + head and end insn pointers in the basic block, not just local copies. + (merge_blocks_move_predecessor_nojumps): Likewise. + +2001-08-22 Lars Brinkhoff <lars@nocrew.org> + + * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c, + bitmap.h, builtin-types.def, builtins.c, builtins.def, + c-aux-info.c, c-common.c, c-common.def, c-common.h, + c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, + c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, + c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, + caller-save.c, calls.c, collect2.c, collect2.h, combine.c, + conditions.h, config.gcc, configure.frag, configure.in, + conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, + cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, + dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, + doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, + dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, + emit-rtl.c, errors.c, errors.h, except.c, except.h, + exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, + fixproto, flags.h, flow.c, fold-const.c, fp-test.c, + function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, + gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, + gencheck.c, gencodes.c, genconfig.c, genemit.c, + genextract.c, genflags.c, gengenrtl.c, genmultilib, + genopinit.c, genoutput.c, genpeep.c, genrecog.c, + gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, + ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, + graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, + gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, + gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, + hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, + integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, + libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, + machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, + mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, + mkmap-symver.awk, optabs.c, output.h, params.c, params.def, + params.h, predict.c, predict.def, predict.h, prefix.c, + prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, + read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, + regclass.c, regmove.c, regrename.c, regs.h, reload.c, + reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, + rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, + sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, + sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, + ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, + stringpool.c, system.h, timevar.c, timevar.def, timevar.h, + tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, + tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, + unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, + unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, + xcoffout.h: replace "GNU CC" with "GCC". + +2001-08-21 Richard Henderson <rth@redhat.com> + + * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment. + (final_scan_insn): Consider jump tables data even if we have no + independent text section if !JUMP_TABLES_IN_TEXT_SECTION. Use + ADDR_VEC_ALIGN. + * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove. + (ASM_OUTPUT_CASE_END): Remove. + (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references. + * config/ia64/ia64.md (tablejump): Decode pc-relative references. + * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove. + +2001-08-21 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state + at barrier insns. Emit stop bits before barriers. + + * flow.c (flow_find_cross_jump): Don't consider unconditional + return insns for commoning. + + * final.c (compute_alignments): Fix typo. + + * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults. + (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise. + (store_bit_field): Use mode_for_extraction more places. + (extract_bit_field): Likewise. + +2001-08-21 Zack Weinberg <zackw@panix.com> + + * caller-save.c: Don't include insn-codes.h. + (reg_save_code, reg_restore_code): Make arrays of int. + All uses updated to match. + (insert_save, insert_restore): No need to initialize "code" + variable upon declaration. + * Makefile.in: update dependencies; fix typo in clean rule. + +2001-08-21 Richard Henderson <rth@redhat.com> + + * ifcvt.c (find_if_block): Allow join_bb as EXIT. + (merge_if_block): Handle fallout from same. + +2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (type_to_class): Fix typo in last change. + +2001-08-21 Richard Henderson <rth@redhat.com> + + * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if + ia64_asm_output_label. + + * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved + copy of gp while the real gp register contains garbage. + +2001-08-21 Zack Weinberg <zackw@panix.com> + + * expmed.c (mode_for_extraction): New function. + (store_bit_field, extract_bit_field): Use it. + * expr.h: Prototype it and provide an enum for its first argument. + + * combine.c, function.c, recog.c: Don't include insn-codes.h. + Use mode_for_extraction rather than testing HAVE_insv/extv/extzv + and digging through the insn_data tables. + * Makefile.in: Update dependencies. + +2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): line-map.c now handles include + depth. + (handle_missing_handler): Similarly. + (_cpp_execute_include): Similarly. + (_cpp_pop_file_buffer): Similarly. + * cpphash.h (struct cpp_reader): Remove system_include_depth, + buffer_stack_depth and include_depth. + * cpplib.c (do_include_common): line-map.c now handles include depth. + (cpp_push_buffer): Similarly. + (_cpp_pop_buffer): Similarly. + * cppmacro.c (builtin_macro): Update. + * line-map.c (init_line_maps): Set depth. + (add_line_map): Increment "used" earlier. Update and use the + include depth. + (trace_include): Use the include depth. + * line-map.h (struct line_maps): New member depth. + +2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Don't handle -H here. + * cppinit.c (cpp_start_read): Set include tracing after + cpp_post_options and after stacking the main file. + * line-map.c (trace_include): New. + (init_line_maps, add_line_map): Update. + * line-map.h (struct line_maps): New member trace_includes. + +2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Harmonize system headerness tests. + * cppfiles.c (stack_include_file): Only stack a file if there + is something to do. Return a boolean indicating whether a + buffer was stacked or not. + (_cpp_execute_include): Similarly. + (_cpp_read_file): Similarly. + * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes. + +2001-08-21 Sam Steingold <sds@gnu.org> + + * tradcpp.c (rescan): define obufp_before_macroname before RECACHE + (RECACHE): keep obufp_before_macroname up to date + +2001-08-21 Zack Weinberg <zackw@panix.com> + + * stmt.c: Don't include insn-codes.h. + (expand_end_case): Machine specific logic moved to expr.c. + No need to worry about __builtin_classify_type. + (check_for_full_enumeration_handling, emit_case_nodes): + Kill #if 0 blocks. + + * builtins.o (expand_builtin_classify_type): Split up so code + can be shared with fold_builtin_classify_type. + (type_to_class, fold_builtin_classify_type): New functions. + (fold_builtins): Handle __builtin_classify_type. + + * expr.c (do_tablejump): Now static. + (case_values_threshold, try_casesi, try_tablejump): New; + code mostly from stmt.c (expand_end_case). + (expr.h): Update prototypes. + + * Makefile.in (stmt.o): Update dependencies. + +2001-08-21 Will Cohen <wcohen@redhat.com> + + * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local + declaration of variable i. + * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local + declaration of variable i. + +2001-08-21 Richard Henderson <rth@redhat.com> + + * crtstuff.c: Fix thinko last change. Move list tails to start + of CRT_END section. Tidy ifdefs. + (__EH_FRAME_BEGIN__): Always static for ELF. + (__do_global_ctors_1): Rename from __frame_dummy. + * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1 + name change; don't hide __EH_FRAME_BEGIN__. + +2001-08-21 Richard Henderson <rth@redhat.com> + + * gdbinit.in: Move break on exit after break on fancy_abort. + + * config/ia64/ia64.c (ia64_return_in_memory): True for variable + sized types. + +2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_push_next_buffer): New. + * cppinit.c (do_includes): Remove. + (push_include, free_chain, _cpp_push_next_buffer): New. + (cpp_start_read): Use them to rework command line option handling. + (cpp_handle_option): Combine handling of -include and -imacros. + * cpplex.c (_cpp_lex_token): Push a new -include buffer if + appropriate. Always insert missing \n at EOF. + * cpplib.c (start_directive): Get the directive position right. + * cppmain.c (cb_file_change): Always print the first line, unless + preprocessed. + +2001-08-20 Andreas Jaeger <aj@suse.de> + + * profile.c (compute_branch_probabilities): Remove extra new-line + in error message. + * flow.c (verify_flow_info): Likewise. + +2001-08-20 Diego Novillo <dnovillo@redhat.com> + + * basic-block.h (basic_block): Add new field 'flags'. + (BB_REACHABLE): Define. + (expunge_block): Declare. + * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'. + (EXIT_BLOCK_PTR): Ditto. + (expunge_block): Remove static declaration. + (cleanup_cfg): Clear bb->aux on every basic block. + (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when + computing reachability. + (delete_unreachable_blocks): Delete block b if b->flags has + BB_REACHABLE unset. + +2001-08-20 Diego Novillo <dnovillo@redhat.com> + + * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast. + +2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.c (sparc_variable_issue): Fix typo in last change. + +2001-08-20 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage. + +2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (RETURN_IN_MEMORY): Improve comment. + +2001-08-20 Janis Johnson <janis187@us.ibm.com> + + * doc/invoke.texi (Profiling options): Clarify the interactions + between -fprofile-arcs and -ftest-coverage, -fprofile-arcs. + +2001-08-20 Jeffrey Oldham <oldham@codesourcery.com> + + * crtstuff.c (__do_global_ctors): Fix typo in preprocessing + command. + +2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * gcc.c (make_relative_prefix): Allocate a sufficiently large + buffer. + +2001-08-20 Richard Henderson <rth@redhat.com> + + * final.c (end_final): Fix typo last change. + +2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (init_standard_includes): The returned buffer + is already malloc-ed. + * gcc.c (add_prefix): Similarly. + * prefix.c (translate_name): Update to support clear buffer + ownership rules. + (update_path): Similarly. Be sure to free any newly allocated + key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument. + (tr): New function. + * prefix.h (update_path): Update prototype and document. + * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean + up and update to new buffer ownership rules. + * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update. + +Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz> + + * final.c (compute_alignments): New function. + (init_insn_lengths): Do not care label_align. + (LABEL_ALIGN_AFTER_BARRIER): Default to 1. + (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0. + (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New. + (shorted_branches): Realloc label_align array; do + not call init_insn_lengths; Do not care about loop alignments. + * output.h (compute_alignments): Declare. + * toplev.c (rest_of_compilation): Call compute_alignments. + * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document. + + * predict.c (block_info_def): Add npredecesors, remove nvisited; + change visited to tovisit. + (propagate_freq): Use faster traversing algorithm. + (estimate_loops_at_level, estimate_bb_frequencies): Change visited + to tovisit; reverse meaning. + + * predict.c (struct block_info_def): Remove nvisited. + (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions. + (estimate_bb_frequencies): Call mark_dfs_back_edges. + +2001-08-19 Geoffrey Keating <geoffk@redhat.com> + + * doc/invoke.texi (MIPS Options): Document -mfused-madd. + * config/mips/mips.h (MASK_NO_FUSED_MADD): New. + (TARGET_FUSED_MADD): New. + (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd. + * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to + the multiply-add instructions. + +2001-08-19 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref + is aligned to pointer size. + +2001-08-19 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle + display markers during final schedule. + +2001-08-19 Richard Henderson <rth@redhat.com> + + * function.c (gen_mem_addressof): Don't call get_alias_set if no decl. + +2001-08-19 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and * + in the same string. + (ASM_NAME_TO_STRING): Remove. + * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and * + in the same string. Remove support for expressions. + +2001-08-19 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md (tablejump): Make an expander; handle + pic relative addressing here. + (tablejump_1): Rename from tablejump_pic. + (casesi): Remove. + +2001-08-19 Richard Henderson <rth@redhat.com> + + * regclass.c (fix_register): Fix typo. + +2001-08-18 Richard Henderson <rth@redhat.com> + + * config/ia64/unwind-ia64.c (UNW_REG_B0): New. + (struct _Unwind_Context): Expand br_loc to hold it. + (uw_frame_state_for): Handle leaf functions better. + (uw_update_reg_address): Update for br_loc change. + +2001-08-18 Richard Henderson <rth@redhat.com> + + * crtstuff.c: Move list heads before code that uses them. + (__JCR_LIST__): Remove initial null. + (frame_dummy, __frame_dummy): Do java registration here ... + (__do_global_ctors_aux): ... not here. + + * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative. + (__do_global_dtors_aux): Update to match. + (__JCR_LIST__, __do_jv_register_classes): New. + (.init): Call it. + * config/ia64/crtend.asm (__JCR_END__): New. + (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__ + instead of an indirect LTOFF22 reloc. + +2001-08-18 Richard Henderson <rth@redhat.com> + + * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call. + * regclass.c (init_reg_sets_1): Fix typo. + * config/ia64/ia64.c (ar_pfs_reg_operand): New. + (ia64_expand_call): Pass ar.pfs to sibcall expanders. + (ia64_compute_frame_size): Make ar.unat live when in use. + (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf + for ar.pfs; remove ar.unat handling. + * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is + call-saved. + (PREDICATE_CODES): Add ar_pfs_reg_operand. + * config/ia64/ia64-protos.h: Update decls. + * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs. + (sibcall_pic): Likewise. + +2001-08-18 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past + pred_rel_mutex when searching for insn_group_barrier. + * config/ia64/ia64.md (cycle_display): Combine the expander + and insn patterns. + + * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop + bit before asm as needed. + +2001-08-18 Richard Henderson <rth@redhat.com> + + * timevar.def (TV_MACH_DEP): New. + * toplev.c (rest_of_compilation): Use it. + * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2. + +2001-08-18 Zack Weinberg <zackw@panix.com> + + * unwind-dw2.c (execute_stack_op): Add default aborts to + the inner switches to prevent warnings. + +2001-08-18 Richard Henderson <rth@redhat.com> + + * timevar.h (struct timevar_time_def): Change element type to float. + (ticks_to_msec, clocks_to_msec): Likewise. + (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float. + (get_time): Likewise. + (timevar_print): Adjust zero check and printing to match. + +2001-08-18 Zack Weinberg <zackw@panix.com> + + * doc/extend.texi, doc/gcc.texi, doc/install-old.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi: + Eliminate overfull or underfull hboxes. + +2001-08-18 Zack Weinberg <zackw@panix.com> + + * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout. + +2001-08-18 Zack Weinberg <zackw@panix.com> + + * haifa-sched.c: Convert to target hooks. Macros replaced + are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT, + MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE, + MD_SCHED_FINISH, and HAVE_cycle_display. + * target-def.h (TARGET_SCHED_ADJUST_COST, + TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE, + TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT, + TARGET_SCHED_FINISH, TARGET_SCHED_REORDER, + TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY): + New hook #defines to be overridden. + (TARGET_SCHED): Bring them all together. + (TARGET_INITIALIZER): Update. + * target.h: Don't forward declare struct rtx_def. Use 'rtx' + instead of 'struct rtx_def *' throughout. + (struct sched): New set of hooks for the scheduler. + * Makefile.in (haifa-sched.o): Depend on target.h. + * doc/tm.texi: Document the new scheduler hooks, together in + their own section, instead of scattered around. + Fix a bunch of underfull/overfull hboxes. + + * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h, + ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h, + sparc.h: Don't define any of the old scheduler macros. + + * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c, + ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c, + sparc.c: Create hook functions from code extracted from + corresponding target header, or make existing hooks static, as + appropriate. Set the appropriate entries in targetm. + + * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h, + i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h, + rs6000-protos.h, s390-protos.h, sparc-protos.h: + Remove prototypes for functions which are now static. + + * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and + related gunk; the Haifa scheduler is now the only choice. + +2001-08-18 Zack Weinberg <zackw@panix.com> + + * optabs.h (OTI_flodiv, flodiv_optab): Kill. + * genopinit.c: Put floating point divide insns in sdiv_optab. + * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab. + * config/gofast.h, config/c4x/c4x.h, + config/ia64/hpux_longdouble.h, config/mips/mips.h, + config/pa/long_double.h, config/rs6000/sysv4.h, + config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab. + * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv. + (init_optabs): Use init_optabv for overflow-trapping optabs. + Don't init flodiv_optab. Give mov_optab, movstrict_optab, and + cmp_optab RTX codes so have_insn_for can find them. + + * optabs.c (expand_simple_binop, expand_simple_unop, + have_insn_for, gen_sub3_insn): New interfaces. + * expr.h: Prototype new functions. + (enum optab_methods): Move here from optabs.h. + + * builtins.c, combine.c, doloop.c, function.c, ifcvt.c, + loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c: + Use new functions instead of working directly with optabs. + * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c, + unroll.c: Don't include optabs.h. + * caller-save.c, combine.c, function.c, stmt.c: Just include + insn-codes.h, not optabs.h. + * Makefile.in: Update dependencies. + + * combine.c (make_compound_operation, simplify_comparison): + Fix typos testing for this or that instruction. + +2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when + generating libgcc.a. + +2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * except.c (TYPE_HASH): Delete. + + * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not + HOST_WIDE_INT. + + * tree.c (TYPE_HASH): Delete. + + * tree.h (TYPE_HASH): Define. + +2001-08-18 Graham Stott <grahams@redhat.com> + + * config/mips/mips.md (adddi3_internal_2+1): Remove constraints from + define_split. + (adddi3_internal_2+2): Likewise. + (eh_set_lr_di+1): Likewise. + +2001-08-17 Richard Henderson <rth@redhat.com> + + * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ... + * dwarf2asm.c: ... here. + * dwarfout.c: Remove them. + + * varasm.c (assemble_integer): Add align parameter. + (assemble_real, output_constant, output_constructor): Likewise. + * output.h: Update decls. + * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c, + config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c, + config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h, + config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c, + config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md: + Update all callers. + + * final.c (end_final): Abort profile block generation if we + haven't layed it out properly. + * output.h (assemble_eh_integer): Remove stale decl. + * varasm.c (assemble_zeros): Tidy; use assemble_integer. + (min_align): New. + (assemble_integer): Handle unaligned data. + (assemble_real): Abort on unaligned data. + (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does + anything useful. + (default_dtor_section_asm_out_destructor): Use assemble_align. + (default_named_section_asm_out_constructor): Likewise. + (default_ctor_section_asm_out_constructor): Likewise. + * config/darwin.c (machopic_asm_out_constructor): Likewise. + (machopic_asm_out_destructor): Likewise. + * config/nextstep.c (nextstep_asm_out_constructor): Likewise. + (nextstep_asm_out_destructor): Likewise. + * config/alpha/alpha.c (vms_asm_out_constructor): Likewise. + (vms_asm_out_destructor): Likewise. + +2001-08-17 Richard Henderson <rth@redhat.com> + + * config/mips/iris6.h (TARGET_IRIX6): New. + (current_section_name, current_section_flags): New. + (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New. + (MAX_OFILE_ALIGNMENT): New. + (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section. + * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove. + (copy_file_data): Split out from + (mips_asm_file_end): ... here. + (mips_asm_file_start): Remove extra .section directive. Use + tmpfile instead of mips_make_temp_file. + (mips_unique_section): Use const char * as needed for warnings. + (iris6_asm_named_section_1): Renamed from iris6_asm_named_section; + re-add align parameter. + (iris6_asm_named_section): New. + (iris_section_align_entry_eq, iris_section_align_entry_hash): New. + (iris6_asm_output_align, iris6_section_align_1): New. + (iris6_asm_file_start, iris6_asm_file_end): New. + * config/mips/mips-protos.h: Update decls. + +2001-08-17 Janis Johnson <janis187@us.ibm.com> + + * doc/install.texi (Install GCC): Add links to build status pages. + (Specific): Ditto. + (Final install): Ditto; request updates for specific info + +2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_location): Don't take a file name; use the + line map instead. + (_cpp_begin_message): Similarly. + (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning, + cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update. + (cpp_pedwarn_with_file_and_line): Remove. + * cppfiles.c (stack_include_file): Update; set filename to stdin + here when appropriate. + * cpphash.h (struct cpp_buffer): Remove nominal_fname. + (_cpp_begin_message): Don't take a file name. + * cppinit.c: Add comment. + * cpplex.c: Fix end-of-directive indicator. + * cpplib.c: Don't include intl.h. + (run_directive, do_diagnostic): Update. + (do_line): Update to not use nominal_fname. + (cpp_push_buffer): Don't take a filename. + * cpplib.h (struct ht): Remove. + (cpp_push_buffer): Don't take a filename. + (cpp_pedwarn_with_file_and_line): Remove. + * cppmacro.c (struct cpp_macro): Remove file. + (builtin_macro): Update. + (_cpp_create_definition): Update. + * cppmain.c: Correct comment. + * fix-header.c (read_scan_file): Update. + +2001-08-17 Kazu Hirata <kazu@hxi.com> + + * sbitmap.c: Fix comment formatting. + * sched-deps.c: Likewise. + * sibcall.c: Likewise. + * simplify-rtx.c: Likewise. + * ssa.c: Likewise. + * ssa-ccp.c: Likewise. + * stor-layout.c: Likewise. + * timevar.c: Likewise. + * toplev.c: Likewise. + * unwind-dw2.c: Likewise. + * unwind-dw2-fde.c: Likewise. + * varasm.c: Likewise. + +2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable + or larger than an integer in memory. + +2001-08-17 Zack Weinberg <zackw@panix.com> + + * system.h: Forward-declare struct rtx_def, struct rtvec_def, + and union tree_node. Typedef rtx, rtvec, and tree. Fix comment. + * rtl.h: Don't forward-declare union tree_node here. Don't + typedef rtx or rtvec here. Change all uses of struct rtx_def *, + struct rtvec_def *, or union tree_node * to use rtx, rtvec, + and tree respectively. + * tree.h: Don't forward-declare struct rtx_def here. Don't + typedef tree here. Change all uses of struct rtx_def *, + struct rtvec_def *, or union tree_node * to use rtx, rtvec, + and tree respectively. + +2001-08-17 Richard Henderson <rth@redhat.com> + + * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h, + config/mips/openbsd.h: Fix typos last change. + +2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/invoke.texi (Optimize Options): The default for + -finline-limit is 600. + +2001-08-17 Richard Henderson <rth@redhat.com> + + * varasm.c (text_section): Allow TEXT_SECTION to override the + printing of TEXT_SECTION_ASM_OP. + * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION. + (DATA_SECTION, BSS_SECTION): Remove. + * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME, + RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME): + Rename from s/_NAME//. + * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16. + (ASM_DECLARE_FUNCTION_NAME): Move file switching ... + (TEXT_SECTION): ... here. New. + * config/mips/elf.h (TEXT_SECTION): New; no file switching. + * config/mips/elf64.h, config/mips/netbsd.h: Likewise. + * config/mips/openbsd.h: Likewise. + * config/mips/mips.c (mips_asm_file_start): Tidy file switching test. + (mips_asm_file_end): Likewise test. + (mips_output_function_epilogue): Likewise. Switch back to data + section after emitting the function. + + * doc/tm.texi (Sections): Document TEXT_SECTION. + +2001-08-17 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here. + (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info. + +2001-08-17 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN. + * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__, + __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__): + Add aligned attribute. + +2001-08-17 Andrew Haley <aph@cambridge.redhat.com> + + * config/sh/sh.md: Add modes to unspecs in first insn to match + those in the second. + + * Makefile.in: Fix collect2 copy for Cygwin. + +Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz> + + Install the proper patch. + * function.c (put_var_into_stack): Temporarily clear DECL_RTL. + (assign_params): Avoid setting DECL_RTL to unfinished RTX. + (expand_function_start): Likewise. + * stmt.c (expand_decl): Likewise. + * varasm.c (make_decl_rtx): Likewise. + +Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz> + + * final.c: Undo my previous accidental checkin. + * output.h: Likewise. + * tm.texi: Likewise. + +2001-08-16 Richard Henderson <rth@redhat.com> + + * varasm.c (named_section_flags): Remove align parameter. + * varasm.c, dwarf2out.c: Update all callers. + * output.h: Update prototypes. + + * target.h (target.asm_out.named_section): Remove align parameter. + * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c, + config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c, + config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c, + config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c, + config/sh/sh.c, config/sparc/sparc.c: Update implementations to match. + + * varasm.c (in_named_entry_eq, in_named_entry_hash): New. + (get_named_section_flags, set_named_section_flags): New. + (named_section_flags): Use them. + (named_section): Do decl vs section flags check here... + (default_section_type_flags): ... not here. + (init_varasm_once): Create in_named_htab. + (resolve_unique_section): Mark reloc unused. + +2001-08-16 Richard Henderson <rth@redhat.com> + + * varasm.c (force_const_mem): Keep pool alignment in bits. + (output_constant_pool): Use assemble_align. + +2001-08-16 Zack Weinberg <zackw@panix.com> + + * doc/tm.texi: Remove extra @table command. + +2001-08-16 Zack Weinberg <zackw@panix.com> + + * final.c (shorten_branches): Clear the end of the label_align + array only if we made it larger. Break up messy expressions + for clarity. + + * diagnostic.c (internal_error): Check for error recursion + before doing ICE suppression. + + * timevar.c: Timing variables now count in milliseconds. + (init_timevar): Set up ticks_to_msec and clocks_to_msec here. + (get_time): Not here. + (timevar_print): Don't print any timer whose user, cpu, and + wall times are all zero as displayed. + * timevar.h: Update comment aboout units. Make timevar + counters unsigned. + +Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz> + + * function.c (put_var_into_stack): Temporarily clear DECL_RTL. + (assign_params): Avoid setting DECL_RTL to unfinished RTX. + (expand_function_start): Likewise. + * stmt.c (expand_decl): Likewise. + * varasm.c (make_decl_rtx): Likewise. + +2001-08-16 Jason Merrill <jason_merrill@redhat.com> + + * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN. + (finalize_record_size): Don't set TYPE_USER_ALIGN. + +2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused + variables. + +2001-08-16 Andreas Jaeger <aj@suse.de> + + * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame + prototype. + +Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com) + + * rtl.h (only_sets_cc0_p): New prototype. + * jump.c (sets_cc0_p): Handle INSN. + (only_sets_cc0_p): New function. + * flow.c (merge_blocks_nomove): Use only_sets_cc0_p. + (tidy_fallthru_edge): Likewise. + * integrate.c (copy_insn_list): Likewise. + * unroll.c (unroll_loop): Likewise. + (copy_loop_body): Likewise. + +2001-08-15 Jason Eckhardt <jle@redhat.com> + + * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t". + +Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (struct block_info_def): Remove nvisited. + (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions. + (estimate_bb_frequencies): Call mark_dfs_back_edges. + + * i386.c (ix86_agi_dependant): Lea causes AGI only on the Pentium + (ix86_adjust_cost): Teach scheduler that latency to load operand can + be masked. + +Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def: Update hitrates. + +2001-08-15 Richard Henderson <rth@redhat.com> + + * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT. + +Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG + note from its associated jump. + +2001-08-14 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__ + also on 64-bit s390x targets. + +2001-08-14 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_compute_initial_elimination_offset): New + function. + (arm_expand_prologue): Handled nested functions which take a + variable argument list. + * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace + macro with an invocation of + arm_compute_initial_elimination_offset. + * config/arm/arm-protos.h: Prototype + arm_compute_initial_elimination_offset. + +2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific, avr): Fix markup. + (Specific, c4x): Ditto. + +2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * predict.c (dump_prediction): Change `bool' parameter to `int'. + +2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com> + + * Makefile.in (OBJS): Add rtl-error.o + (rtl-error.o): New rule. + (diagnostic.o): Adjust dependency. + diagnostic.c (file_and_line_for_asm, diagnostic_for_asm, + error_for_asm, _fatal_insn, _fatal_insn_not_found, + warning_for_asm): Move to... + rtl-error.c: ...here. New file. + +2001-08-14 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame + if USING_SJLJ_EXCEPTIONS. + +2001-08-14 Steve Ellcey <sje@cup.hp.com> + + * tlink.c (scan_linker_output): Check string for unsatisfied in + addition to undefined and unresolved. + +2001-08-14 Graham Stott <grahams@redhat.com> + + * libgcc2.c (*): Replace EH_FRAME_SECTION with + EH_FRAME_SECTION_NAME. + +Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz> + + * genattrtab.c (simplify_test_exp_in_temp): New function. + (simplify_test_exp): Avoid explicit use of temporary obstack. + (simplify_cond, insert_right_side, evaluate_eq_attr, + simplify_and_tree, simplify_or_tree, eliminate_known_true): + Use simplify_test_exp_in_temp. + (optimize_attrs): Iterate until expression stabilizes. + +2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>: + + * glimits.h: Remove the __LONG_MAX__ special case for s390x. + * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES. + +2001-08-13 Richard Henderson <rth@redhat.com> + + * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove. + (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove. + * config/arm/conix-elf.h: Likewise. + +2001-08-13 Geoffrey Keating <geoffk@redhat.com> + + * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done + in gcc.c. + * config/rs6000/sysv4.h (LINK_SPEC): Likewise. + + * gcse.c (hash_scan_set): Expressions that are set as part of + jump instructions are not available. + +2001-08-13 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (print_operand, s390_function_prologue, + s390_va_start): Fixed HOST_WIDE_INT type mismatch. + +2001-08-13 Richard Henderson <rth@redhat.com> + + * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New. + * defaults.h (EH_FRAME_SECTION_NAME): Respect it. + * doc/tm.texi (Exception Region Output): Document it. + +2001-08-13 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use + DWARF2 instead of stabs by default. + +2001-08-13 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c: Include optabs.h. + +2001-08-13 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/eabi.asm: Define 64-bit versions of FPR + save/restore routines. + * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros. + +2001-08-13 Andreas Jaeger <aj@suse.de> + + * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo, + the english is correct. + +2001-08-13 Zack Weinberg <zackw@panix.com> + + * expr.h: Split out optab- and libfunc-related code to... + * optabs.h, libfuncs.h: ... these new headers. + + * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h. + (OPTABS_H): New. + (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to + dependencies. + * mkconfig.sh: Don't include insn-codes.h from config.h. + + * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether + enum insn_code is available. Move reload_in_optab and + reload_out_optab array declarations to optabs.h. + * regmove.c (gen_add3_insn): Move to optabs.c, export from + there, prototype in expr.h. + * gencodes.c: Cleanup: zap global variables, don't use + printf where puts will do, don't bother defining MAX_INSN_CODE + which nothing uses, let CODE_FOR_nothing get its value implicitly. + + * genemit.c, genopinit.c: Include optabs.h in generated file. + * genoutput.c: Include insn-codes.h in generated file. + * builtins.c, caller-save.c, combine.c, doloop.c, explow.c, + expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c, + reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c, + config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c, + config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c, + config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c: + Include optabs.h. + * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c, + optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c, + config/m88k/m88k.c, config/sparc/sparc.c: + Include libfuncs.h. + * reload.c: Include expr.h and optabs.h before reload.h. + * config/alpha/alpha.c: Include tree.h before reload.h. + * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h, + and reload.h in that order. + * config/sparc/sparc.c: Include debug.h. + * recog.c: Include insn-codes.h. + +2001-08-13 Andreas Jaeger <aj@suse.de> + + * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on + s390*linux. + +2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * dwarf2out.c (output_cfa_loc): Fix typo in comment. + * gcc.c (init_spec): Fix typo in comment. + * varasm.c (data_section): Fix typo in comment. + +Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (dump_prediction): New argument "USED". + (combine_predictions_for_insn): Determine the used heuristics, + output the case no heuristic applied. + * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New. + +2001-08-13 Andreas Jaeger <aj@suse.de> + + * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize + register %rip. + +2001-08-13 Kazu Hirata <kazu@hxi.com> + + * jump.c: Fix formatting. + +2001-08-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (zero_extendqihi2): Correct the insn + length. + +2001-08-12 Geoffrey Keating <geoffk@redhat.com> + + * loop.c (check_dbra_loop): Use condjump_label to compute + jump_label. + + * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around + to better document the files they're in. + +2001-08-12 Zack Weinberg <zackw@panix.com> + + * recog.h (struct insn_operand_data): Shrink 'mode' field + to 16 bits. + +2001-08-12 Kazu Hirata <kazu@hxi.com> + + * gcc.c: Fix comment formatting. + * gccspec.c: Likewise. + * gcov.c: Likewise. + * gcse.c: Likewise. + * genemit.c: Likewise. + * gengenrtl.c: Likewise. + * genrecog.c: Likewise. + * gensupport.c: Likewise. + * ggc-page.c: Likewise. + * global.c: Likewise. + * graph.c: Likewise. + * ifcvt.c: Likewise. + * integrate.c: Likewise. + * lcm.c: Likewise. + * libgcc2.c: Likewise. + * loop.c: Likewise. + * mbchar.c: Likewise. + * optabs.c: Likewise. + * predict.c: Likewise. + * prefix.c: Likewise. + * profile.c: Likewise. + * protoize.c: Likewise. + * real.c: Likewise. + * recog.c: Likewise. + * regclass.c: Likewise. + * regmove.c: Likewise. + * reg-stack.c: Likewise. + * reload1.c: Likewise. + * resource.c: Likewise. + * rtlanal.c: Likewise. + * rtl.c: Likewise. + +2001-08-12 Kazu Hirata <kazu@hxi.com> + + * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how + a tree representing a constant is passed to the macro. + +2001-08-12 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New. + (rs6000_elf_asm_out_destructor): New. + * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove. + (DTORS_SECTION_ASM_OP): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors. + +2001-08-12 David Edelsohn <edelsohn@gnu.org> + + Revert: + 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + * gcc.c (set_collect_gcc_options): New function, split out from + main. + Ignore elided switches. + (do_spec_1): Invoke before executing command. + (set_input): Export. + Move declaration ... + * gcc.h (set_input): ... here. + * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input + file. + +2001-08-12 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix + thinko wrt TARGET_RELOCATABLE. + +2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * fix-header.c (cb_file_change): Update prototype. + +2001-08-11 Zack Weinberg <zackw@panix.com> + + * toplev.c (set_float_handler): Make static. + * toplev.h: Don't prototype set_float_handler. + + * simplify-rtx.c: Don't include setjmp.h. + (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1): + New functions. + (simplify_unary_operation, simplify_binary_operation): Use them, + via do_float_handler. + + * fold-const.c: Don't include setjmp.h. + (exact_real_inverse_1): New function. + (exact_real_inverse): Use it, via do_float_handler. + + * varasm.c: Don't include setjmp.h. + (assemble_real_1): New function. + (assemble_real): Use it, via do_float_handler. + Call internal_error if we get a trap here. + + * c-parse.in, cse.c, cselib.c, config/i386/i386.c, + config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h. + +2001-08-11 Zack Weinberg <zackw@panix.com> + + * defaults.h: Define PREFERRED_STACK_BOUNDARY to + STACK_BOUNDARY if not already defined. + + * calls.c, function.c, reload1.c, explow.c: Don't default + PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on + PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY. + + * explow.c (allocate_dynamic_stack_space): Change unsafe #if + to run-time test. + + * doc/tm.texi: Document that STACK_BOUNDARY is required; + clarify difference between it and PREFERRED_STACK_BOUNDARY. + +2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (enter_macro_context): Push macro expansions even + if empty. + +2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.c: Include integrate.h to silence warning. + (rs6000_elf_section_type_flags): Actually return a value. + +2001-08-11 Ulrich Weigand <uweigand@de.ibm.com> + + * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux: + Clean up code: add missing comments and prototypes, fix warnings, + remove obsolete code, fix spacing to conform to coding style. + +2001-08-11 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN + and TARGET_ASM_CLOSE_PAREN. + (regclass_map): CC register belongs to class NO_REGS. + (legitimize_pic_address): Don't generate unnecessary moves + (to avoid confusing loop optimization). + (check_and_change_labels): Replace jump_long by indirect_jump. + (s390_final_chunkify): Don't start a new literal pool on section + switch in 64-bit code. + (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit. + + * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug. + (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit). + (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer + modes correctly. + (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS. + (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit. + (CONST_COSTS): Fixed incorrect costs. + + * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3): + Use emit_jump instead of emit_jump_insn (gen_jump). + (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting + (to avoid confusing flow analysis). + (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi. + (casesi, casesi_jump): New. + (jump_long): Removed. Functionality merged into indirect_jump. + (indirect_jump): Accept address_operand, not just register_operand. + (cjump_long, icjump_long): Use same logic as indirect_jump. + (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp): + Fixed broken setjmp/longjmp handling. + (do_builtin_setjmp_setup): Removed. + + * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around + broken GNU as versions that don't accept .quad with large + negative values. Use hexadecimal output instead. + (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn. + (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE, + FUNCTION_EPILOGUE): Removed. Now in targetm. + + * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register. + + * config/s390/fixdfdi.h: Add missing copyright statement. + Fix type conflicts on 64-bit. Add missing SFmode routines. + + * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect + email address. + +2001-08-11 Richard Henderson <rth@redhat.com> + + * rtl.h (REG_EH_RETHROW): Remove. + * rtl.c (reg_note_name): Update. + * combine.c (distribute_notes): Don't check for it. + +2001-08-11 Richard Henderson <rth@redhat.com> + + * combine.c (distribute_notes): Place REG_SETJMP. + +2001-08-11 Richard Henderson <rth@redhat.com> + + * doc/extend.texi (Arrays and pointers implementation): Discourage + relying on sign-extension of pointers. + +2001-08-11 H.J. Lu <hjl@gnu.org> + + * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and + in_dtors. + (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and + RDATA_SECTION_ASM_OP. + +2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific, c4x): Fix cross-reference to the + main manual to work both for info and HTML versions. + +2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk> + Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy. + * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix. + (struct cpp_pool): New member first. + * cppinit.c (append_include_chain): Plug memory leaks. + * cpplib.c (cpp_register_pragma, cpp_register_pragma_space): + Allocate pragma structures from the (aligned) macro pool to + avoid leaking memory. + * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first + so we don't leak memory. + * hashtable.c (ht_destroy): New. + * hashtable.h (ht_destroy): New. + +2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk> + Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * c-lex.c (map): Make const. + (cb_file_change): Update for callback passing a line map. + Don't assume we have a previous map. Remove sanity check + about popping too many files. + * cpperror.c (print_location): Make map const. + * cppfiles.c (stack_include_file): Update; line maps now hold sysp. + (cpp_make_system_header): Similarly. + (search_from): Similarly. + (_cpp_execute_include): Don't remember where we came from. + * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp. + (struct cpp_reader): Make map const. + (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update. + * cpplib.c (do_line): Update; line maps now hold sysp. + (cpp_push_buffer): Similarly. + (_cpp_do_file_change): Similarly; callback with map instead. + (cpp_get_line_maps): Constify return value. + (_cpp_pop_buffer): Update. + * cpplib.h (struct cpp_file_change): Remove. + (struct cpp_callbacks): Update. + (cpp_get_line_maps): Constify return value. + * cppmacro.c (_cpp_create_definition): Update. + * cppmain.c (struct printer): Constify map. + (maybe_print_line): Similarly. + (print_line): Similarly. Deduce flags 1 and 2 here. + (cb_file_change): Update. + * line-map.c (free_line_maps): Warn regardless. + (add_line_map): Return pointer to const. When passed NULL to_file + with LC_LEAVE, use the obvious values for the return point so the + caller doesn't have to figure them out. + (lookup_line): Return pointer to const. + (print_containing_files): Take pointer to const. + * line-map.h (struct line_map): New members reason, sysp. + (add_line_map): Return pointer to const. + (lookup_line): Similarly. + (print_containing_files): Take pointer to const. + +2001-08-10 Roman Zippel <zippel@linux-m68k.org> + Richard Henderson <rth@redhat.com> + + * regmove.c (regmove_optimize): Avoid setting a register twice in + a parallel set. + +2001-08-10 Richard Henderson <rth@redhat.com> + + * doc/extend.texi (Arrays and pointers implementation): Document + behavior of pointer/integer conversion. + +2001-08-10 Ulrich Weigand <uweigand@de.ibm.com> + + * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture. + +2001-08-10 Richard Henderson <rth@redhat.com> + + * doc/extend.texi (C Implementation): New chapter. + * doc/gcc.texi (Top): Link it in. + +2001-08-10 Andrew Cagney <ac131313@redhat.com> + + * doc/install.texi (Specific): Fix CVS merge botch. + +2001-08-10 Richard Henderson <rth@redhat.com> + + * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with + ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP. + +2001-08-10 Zack Weinberg <zackw@stanford.edu> + + * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY + if not already defined. Remove all #ifdefs on STACK_BOUNDARY; + this macro is now required. + + * cselib.c (cselib_process_insn), flow.c (propagate_block), + loop.c (find_and_verify_loops), reload.c (reload): Check + for rtx code of CALL_INSN, not CALL, when deciding if we + need to check for REG_SETJMP note. + + * gcse.c (compute_hash_table, compute_store_table): Update + the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP + logic. + + * config/avr/avr.c: Fix typo. + * config/convex/convex.c (expand_movstr): Use adjust_address. + * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen + variable. + * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address. + * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h. + Fix typo. + * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?) + Do define STACK_BOUNDARY. + * config/i370/i370.c: Include expr.h. + * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h, + config/pa/som.h, config/v850/v850.h: Take in_ctors and + in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION + and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS. + * config/m88k/m88k.c: Include c-tree.h after expr.h. + * config/pdp11/pdp11.c: Include expr.h and toplev.h. + * config/romp/romp.c: Include expr.h after tree.h. + Include toplev.h. + (output_fpop): Use xmalloc, not oballoc. + * config/we32k/we32k.c: Include expr.h. + +2001-08-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix formatting. + +2001-08-08 Jason Merrill <jason_merrill@redhat.com> + + * c-common.h (RETURN_NULLIFIED_P): Lose. + * c-semantics.c (genrtl_return_stmt): Don't check it. + +2001-08-10 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (mips_add_large_offset_to_sp): New function. + (mips_annotate_frame_insn): New function. + (mips_emit_frame_related_store): New function. + (save_restore_insns): Don't mark instructions that set up the base + registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to + the store instructions instead. + (mips_expand_prologue): If the stack size is moved into a temporary + register, do not mark that move as frame-related. Add a + REG_FRAME_RELATED_EXPR note to the stack adjustment instruction. + +2001-08-10 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (save_restore_insns): Don't mark the RA's + stack slot as unchanging if current_function_calls_eh_return. + +2001-08-10 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to + access the second half of the TFmode scratch operand. + +2001-08-10 Anthony Green <green@redhat.com> + + * java/class.c (emit_register_classes): Conditionalize code on + JCR_SECTION_NAME. + +2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific, avr): Fix cross-reference to the + main manual to work both for info and HTML versions. + +2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * stmt.c (expand_null_return_1): Remove code to generate simple returns + and "use_goto" argument. + (expand_null_return, expand_value_return): Update all callers. + * function.c (expand_function_end): Remove code to generate simple + return. + * config/vax/vax.md (epilogue): New expander for function return. + * doc/md.texi (epilogue): Remove "if defined". + +2001-08-09 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in: Partially revert my previous change: + put -DGENERATOR_FILE back in HOST_CFLAGS, take it out + of the hashtab.o and safe-ctype.o rules. + +2001-08-09 Richard Henderson <rth@redhat.com> + + * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses. + (USE_COLLECT2): Remove duplicate definition. + * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h. + (use_collect2): Remove dead code. + * configure.in (use_collect2): Remove will_use_collect2 and + maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines. + * configure: Rebuild. + + * target.h (targetm.asm_out.constructor): New. + (targetm.asm_out.destructor, targetm.have_ctors_dtors): New. + * target-def.h (TARGET_ASM_CONSTRUCTOR): New. + (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New. + * varasm.c (in_ctors, in_dtors): New. + (assemble_constructor, assemble_destructor): Remove. + (default_stabs_asm_out_destructor): New. + (default_named_section_asm_out_destructor): New. + (dtors_section, default_dtor_section_asm_out_destructor): New. + (default_stabs_asm_out_constructor): New. + (default_named_section_asm_out_constructor): New. + (ctors_section, default_ctor_section_asm_out_constructor): New. + * output.h: Update declarations. + * c-decl.c (c_expand_body): Use target hooks instead of + assemble_constructor and assemble_destructor. + * profile.c (output_func_start_profiler): Likewise. + * objc/objc-act.c (finish_objc): Likewise. + (build_module_descriptor): Tidy. Set TREE_PUBLIC properly + for the constructor. + * objc/Make-lang.in (objc-act.o): Depend on TARGET_H. + + * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define. + (DTORS_SECTION_ASM_OP): Likewise. + (__CTOR_LIST__): Use attribute section when possible. + (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise. + + * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on + ASM_OUTPUT_CONSTRUCTOR. + + * config/darwin.c (machopic_asm_out_constructor): New. + (machopic_asm_out_destructor): New. + * config/darwin-protos.h: Update declarations. + * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + * config/nextstep.c (nextstep_asm_out_constructor): New. + (nextstep_asm_out_destructor): New. + * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of + ASM_OUTPUT_*STRUCTOR. + * config/i386/aix386ng.h: Likewise. + + * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove. + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors. + (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove. + * config/lynx.h: Likewise. + * config/netware.h: Likewise. + * config/psos.h: Likewise. + * config/alpha/alpha-interix.h: Likewise. + * config/alpha/elf.h: Likewise. + * config/arc/arc.h: Likewise. + * config/arm/aof.h: Likewise. + * config/arm/coff.h: Likewise. + * config/arm/elf.h: Likewise. + * config/c4x/c4x.h: Likewise. + * config/h8300/h8300.h: Likewise. + * config/i386/cygwin.h: Likewise. + * config/i386/djgpp.h: Likewise. + * config/i386/i386-coff.h: Likewise. + * config/i386/i386-interix.h: Likewise. + * config/i386/sco5.h: Likewise. + * config/i386/vsta.h: Likewise. + * config/i386/win32.h: Likewise. + * config/i960/i960-coff.h: Likewise. + * config/ia64/sysv4.h: Likewise. + * config/m68hc11/m68hc11.h: Likewise. + * config/m68k/coff.h: Likewise. + * config/m68k/mot3300.h: Likewise. + * config/m88k/m88k.h: Likewise. + * config/mcore/mcore-pe.h: Likewise. + * config/mcore/mcore.h: Likewise. + * config/mips/elf.h: Likewise. + * config/mips/elf64.h: Likewise. + * config/mips/iris6.h: Likewise. + * config/pa/pa64-hpux.h: Likewise. + * config/rs6000/sysv4.h: Likewise. + * config/sh/sh.h: Likewise. + * config/sparc/litecoff.h: Likewise. + + * config/svr3.h (CTORS_SECTION_ASM_OP): Remove. + (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove. + * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + * config/a29k/a29k.c: Move include of tree.h. + * config/a29k/udi.h: Delete file. + * config/alpha/alpha.c (vms_asm_out_constructor): New. + (vms_asm_out_destructor): New. + * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors. + (EXTRA_SECTION_FUNCTIONS): Likewise. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + * config/c4x/c4x.c: Move include of tree.h. + * config/clipper/clipper.c (clix_asm_out_constructor): New. + (clix_asm_out_destructor): New. + * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR): New. + * config/i386/i386.c (ix86_svr3_asm_out_constructor): New. + (sco_asm_out_constructor): New. + * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New. + * config/i386/svr3gas.h: Remove stack grows up code. + Remove code duplicated from i386/sysv3.h. + (TARGET_ASM_CONSTRUCTOR): New. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove. + (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove. + * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR): New. + * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New. + (m68hc11_asm_out_destructor): New. + * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New. + (TARGET_ASM_DESTRUCTOR): New. + * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR. + * config/m68k/dpx2.h: Properly undef all the bits inherited from + config/svr3.h pertaining to section manipulation. + * config/m68k/dpx2g.h: Remove #if 0 code. + * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New. + * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo. + (ASM_OUTPUT_CONSTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR): New. + * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local. + (m88k_svr3_asm_out_constructor): New. + (m88k_svr3_asm_out_destructor): New. + * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code. + * config/rs6000/aix.h: Likewise. + * config/mips/rtems64.h: Don't undef removed constructor related bits. + * config/mips/vxworks.h: Likewise. + * config/rs6000/lynx.h: Likewise. + * config/sh/elf.h: Likewise. + * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New. + (DTORS_SECTION_ASM_OP): New. + * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + * config/sparc/sol2-sld-64.h: Likewise. + * config/vax/vax.c (vms_asm_out_constructor): New. + (vms_asm_out_destructor): New. + * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove. + (ASM_OUTPUT_DESTRUCTOR): Remove. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + + * doc/tm.texi (@node Initialization): Update. + +2001-08-09 Richard Henderson <rth@redhat.com> + + * config/alpha/crtbegin.asm (__JCR_LIST__): New. + (__do_global_dtors_aux): Use gp-relative static data to avoid + one dynamic relocation. + (__do_frame_setup): Register Java classes. + * config/alpha/crtend.asm (__JCR_END__): New. + +2001-08-09 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE. + (CONFIG_H, TCONFIG_H, TM_P_H): Update. + (GEN, STAGESTUFF): Add new files. + (insn-constants.h, s-constants, tm-preds.h, s-preds, + genconstants, genpreds, genconstants.o, genpreds.o): New rules. + (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE. + * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h + as well as insn-codes.h and insn-flags.h in config.h; and no + extra headers in tconfig.h and hconfig.h. + + * gencodes.c: Eliminate code to generate predicate declarations + or #defines for md-file constants. + * genconstants.c, genpreds.c: New files. + + * i386.md: Re-order guard expressions such that TARGET_64BIT + comes first, when this permits better optimization. Add + TARGET_64BIT to more x86-64 patterns. Add comment explaining + why this is desirable. + +2001-08-09 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers. + (find_fde_for_dso): Remove. + (_Unwind_IteratePhdrCallback): New. + (_Unwind_FindTableEntry): Use dl_iterate_phdr. + * config/ia64/crtbegin.asm (__ia64_app_header): Remove. + +Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING. + (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING. + +2001-08-09 Graham Stott <grahams@redhat.com> + + * sched-vis.c (MAX_VISUAL_NO_UNIT): Define. + (vis_no_unit): Use it. + (visualize_no_unit): Add the insn only if room exists. + +2001-08-09 Graham Stott <grahams@redhat.com> + + * predict.c (estimate_probability): Replace magic numbers with + appropriate enumeration. + +2001-08-09 Graham Stott <grahams@redhat.com> + + * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro + parameter. + (EXTRACT_FLAGS): Likewise. + +2001-08-09 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/mips.c (mips_legitimate_address_p): Check for + CONST_INT in last patch. + +2001-08-08 Anthony Green <green@redhat.com> + + * java/class.c (emit_register_classes): Use assemble_jcr if + possible. Keep the original mechanism as a fallback. + * defaults.h (JCR_SECTION_NAME): Define if we have named section + and weak symbol support. + * crtstuff.c (__JCR_LIST__): Define. + (__JCR_END__): Define. + (_Jv_RegiserClasses): Define weak symbol if possible. + (__do_global_ctors_aux): Register classes for ELF targets with + weak symbol support. + +2001-08-08 Kazu Hirata <kazu@hxi.com> + + * dbxout.c: Fix comment formatting. + * dependence.c: Likewise. + * df.c: Likewise. + * diagnostic.c: Likewise. + * dominance.c: Likewise. + * doprint.c: Likewise. + * dwarf2out.c: Likewise. + * dwarfout.c: Likewise. + * emit-rtl.c: Likewise. + * except.c: Likewise. + * explow.c: Likewise. + * expmed.c: Likewise. + * expr.c: Likewise. + * flow.c: Likewise. + * fold-const.c: Likewise. + * function.c: Likewise. + +2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * global.c (retry_global_alloc): Avoid shadowing allocno. + +2001-08-08 Mark Mitchell <mark@codesourcery.com> + + * except.c (remove_fixup_regions): Fix typo. + +2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl> + + * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to + unsigned HOST_WIDE_INT to avoid warning. + * final.c (final): Cast INSN_UID to unsigned to avoid warning. + * flow.c (set_block_for_new_insns): Likewise. + +Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz> + + * sibcall.c (return_value_pseudo): New static variable. + (skip_copy_to_return_value): Handle return_value_pseudo. + (call_ends_block_p): Ensure that return_value_pseudo is set. + (optimize_sibling_and_tail_recursive_call): Discover the + load of pseudo return value in alternate exit block. + +Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * calls.c (ECF_ALWAYS_RETURN): New constant. + (emit_call_1): Add REG_ALWAYS_RETURN note if needed. + (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func. + (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN. + * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN. + * rtl.c (reg_note_name): New name. + * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN. + +2001-08-07 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses. + +2001-08-08 Jason Merrill <jason_merrill@redhat.com> + + * alias.c (get_alias_set): Return a previously calculated + alias set for a VAR_DECL. + * function.c (gen_mem_addressof): Calculate the alias set before + touching the RTL. + +Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def: Set hitrates according our experimental run. + +Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (HARD_REGNO_RENAME_OK): New macro. + +2001-08-08 H.J. Lu <hjl@gnu.org> + + * config/mips/mips.c (mips_unique_section): New. Copied from + config/mips/elf.h. + + * config/mips/mips-protos.h (mips_unique_section): New + prototype. + + * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section. + + * config/mips/little.h: New. Generic little endian mips + targets. Only mips*-*-linux* is converted to use it so far. + + * config/mips/linux.h: Include "gofast.h" and "mips/mips.h". + (WCHAR_TYPE): Defined + (WCHAR_TYPE_SIZE): Likewise. + (INIT_SUBTARGET_OPTABS): Likewise. + (BSS_SECTION_ASM_OP): Likewise. + (SBSS_SECTION_ASM_OP): Likewise. + (ASM_OUTPUT_ALIGNED_BSS): Likewise. + (ASM_DECLARE_OBJECT_NAME): Likewise. + (UNIQUE_SECTION): Likewise. + (EXTRA_SECTIONS): Likewise. + (ASM_OUTPUT_CONSTRUCTOR): Likewise. + (ASM_OUTPUT_DESTRUCTOR): Likewise. + (ASM_OUTPUT_DEF): Likewise. + (HANDLE_SYSV_PRAGMA): Removed. + (NO_IMPLICIT_EXTERN_C): Likewise. + (TARGET_MEM_FUNCTIONS): Likewise. + (STARTFILE_SPEC): Likewise. + (ENDFILE_SPEC): Likewise. + (LIB_SPEC): Likewise. + (INVOKE__main): Likewise. + (CTOR_LIST_BEGIN): Likewise. + (CTOR_LIST_END): Likewise. + (DTOR_LIST_BEGIN): Likewise. + (DTOR_LIST_END): Likewise. + (SET_ASM_OP): Likewise. + (ASM_OUTPUT_SOURCE_LINE): Likewise. + (ASM_OUTPUT_DEF): Likewise. + (ASM_OUTPUT_IDENT): Likewise. + + * config/mips/mips.h (ASM_SPEC): Undefine before define. + (CPLUSPLUS_CPP_SPEC): Likewise. + (ASM_APP_ON) Redefine only if not defined. + (ASM_APP_OFF): Likewise. + (ASM_OUTPUT_SOURCE_LINE): Likewise. + (ASM_OUTPUT_IDENT): Likewise. + + * config.gcc: Update tm_file for Linux/mips. + +2001-08-08 Bernd Schmidt <bernds@redhat.com> + + * cselib.c (cselib_record_sets): If insn is predicated, turn + sources into IF_THEN_ELSEs. + + * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b): + Turn into define_insn_and_split. + + * sched-deps.c: Include "cselib.h". + (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2): + Use cselib to turn memory addresses into VALUEs. + (sched_analyze): Call cselib_init/cselib_finish if necessary. + * sched-int.h (struct sched_info): New member USE_CSELIB. + * sched-ebb.c (ebb_sched_info): Initialize it. + * sched-rgn.c (rgn_sched_info): Likewise. + * Makefile.in (sched-deps.o): Update dependencies. + + * cselib.h (cselib_subst_to_values): Declare. + * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs + that have no value and autoincs to be handled by generating a new + dummy value. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * final.c (shorten_branches): Update the INSN_ADDRESSES of insns + within fixed length SEQUENCE. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter. + (diagnostic_prefixing_rule): Likewise. + (diagnostic_line_cutoff): Likewise. + (diagnostic_kind_count): Likewise. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * alias.c (find_base_decl): Delete redundent assignment. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter. + (abs): Uppercase and paranthesize macro parameter. + (MEM_DEPENDENCY): Add whitespace. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking + failure check for CONST_INT + +2001-08-08 Graham Stott <grahams@redhat.com> + + * flow.c (back_edge_of_syntactic_loop_p): Add whitespace. + (libcall_dead_p): Likewise. + + (mark_used_regs): Constify fmt. + (find_use_as_address): Likewise. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro + parameter. + +2001-08-08 Graham Stott <grahams@redhat.com> + + * combine.c (combine_simplify_rtx): Update comment and + remove erroneous test. + +2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_finish): Pop the final buffer without comment. + * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and + take care to avoid multiple no-newline at EOF warnings in that + case. + +Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz> + + * calls.c (expand_call): Do not emit INSN_SETJMP note. + (emit_library_call_value_1): Likewise. + (emit_call_1): Emit REG_SETJMP note. + * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead + of INSN_SETJMP + * cselib.c (cselib_process_insn): Likewise. + * flow.c (propagate_block): Likewise. + * loop.c (find_and_verify_loops): Likewise. + * reload.c (find_equiv_regs): Likewise. + * reload1.c (reload): Likewise. + * resource.c (mark_referenced_resources, + mark_set_resources): Likewise. + * sched-deps (sched_analyze_insn, sched_analyze): Likewise. + * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP. + * haifa-sched.c (unlink_other_notes): Likewise. + (reemit_notes): Likewise. + * sched-ebb.c (sched_ebb): Likewise. + * sched-rgc.c (sched_region): Likewise. + * rtl.c (note_insn_name): Likewise. + (reg_note_name): Add REG_SETJMP + * rtl.h (reg_note): Add REG_SETJMP. + (insn_note): Remove NOTE_INSN_SETJMP. + + * profile.c (branch_prob): Add fake edges for setjmp. + +2001-08-07 Daniel Jacobowitz <drow@mvista.com> + + * config.gcc: Quote target_cpu_default2 correctly for + powerpc*-*-* targets. + +2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.h, line-map.h: Update comments. + * cppmain.c (printer_init): Move inline. + (maybe_print_line, print_line): Take a map pointer. + (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update. + (cb_file_change): Don't use prior value of print.map. + +2001-08-07 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi: Document fine-grained multilib configuration. + +Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (find_first_parameter_load): Call note_stores + only on the instructions. + +Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * alias.c (nonlocal_mentioned_p): + Rename CONST_CALL_P to CONST_OR_PURE_CALL_P + * calls.c (emit_call_1): Likewise. + * cse.c (cse_insn, invalidate_skipped_block): Likewise. + * cselib.c (cselib_process_insn): Likewise. + * df.c (df_insns_modify): Likewise. + * flow.c (need_fake_edge_p): Likewise. + (propagate_one_insn): Likewise. + * haifa-sched.c (reemit_notes): Likewise. + * integrate.c (copy_insn_list): Likewise. + * jump.c (delete_prior_computation): Likewise. + * local-alloc.c (validate_equiv_mem): Likewise. + * loop.c (scan_loop): Likewise. + * predict.c (estimate_probability): Likewise. + * reload.c (reload): Likewise. + * sched-deps (sched_analyze): Likewise. + * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P. + * gcse.c (compute_hash_table): Likewise. + (mark_call): Likewise. + (store_killed_in_insn): Likewise. + +2001-08-07 Jason Merrill <jason_merrill@redhat.com> + + * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P. + +2001-08-06 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_gc_entry): Remove. + * output.h: Likewise. + +2001-08-06 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_constructor): Take a symbol_ref and a + priority instead of a bare string. Move priority handling + here from cp/decl2.c. + * output.h: Update decls. + + * c-decl.c (c_expand_body): Update calls to assemble_constructor + and assemble_destructor. + * profile.c (output_func_start_profiler): Likewise. + * objc/objc-act.c (finish_objc): Likewise. + (build_module_descriptor): Return the symbol not the symbol name. + +2001-08-06 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace. + * config/rs6000/linux64.h (RS6000_MCOUNT): Define. + ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define. + * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace. + * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace. + * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace. + +2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_containing_files): Moved to line-map.c. + (print_location): line-map.c handles re-listing or otherwise. + * cpphash.h (struct lexer_state): Remove next_bol. + (struct cpp_buffer): Remove include_stack_listed. + * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer): + Remove faked buffer handling. + (_cpp_do_file_change): Tweak. + * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE. + * cppmain.c (struct printer): Remove filename. + (print_line, cb_file_change): Update accordingly. + * line-map.c: Include intl.h. + (init_line_maps): Initialize last_listed. + (free_line_maps): Sanity check, warn if ENABLED_CHECKING. + (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING. + (print_containing_files): New. + * line-map.h (struct line_maps): New member last_listed. + (print_containing_files, INCLUDED_FROM): New. + * Makefile.in: Update. + * po/POTFILES.in: Add line-map.c. + +2001-08-06 Richard Henderson <rth@redhat.com> + + * except.c (convert_from_eh_region_ranges_1): Never mark + USE or CLOBBER insns as throwing. + + * expr.c (store_constructor): Don't clobber memory targets. + +2001-08-06 Andreas Jaeger <aj@suse.de> + + * profile.c (branch_prob): Remove unused variable insn. + + * Makefile.in (local-alloc.o): Add dependency on except.h. + + * local-alloc.c: Include except.h for can_throw_internal prototype. + +2001-08-06 Richard Henderson <rth@redhat.com> + + * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New. + * function.c (expand_main_function): Implement it. + * doc/tm.texi: Document it. + +2001-08-06 Stan Shebs <shebs@apple.com> + + * doc/install.texi: Document powerpc-*-darwin* details. + +2001-08-06 Daniel Berlin <dan@cgsoftware.com> + + * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h + (ASM_CPU_SPEC): Move back to rs6000.h + #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them. + + * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro. + + * config/rs6000/linux.h: Remove vtable thunks stuff we accidently + readded. + + * config/rs6000/linux64.h: Ditto. + + * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back + to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to + nothing. + + Remove accidently readded definitions of FUNCTION_PROLOGUE, + FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN + + * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back + to rs6000.h + +2001-08-05 Richard Henderson <rth@redhat.com> + + * local-alloc.c (update_equiv_regs): Do not move insns that + can throw. + +2001-08-05 Jan Hubicka <jh@suse.cz> + + * Makefile.in (reload1.o): Add dependency on except.h + * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update + prototypes. + * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool + indicating whether edges has been cleaned up. + * reload1.c: Include except.h. + (fixup_abnormal_edges): Accept deleted insns. + * toplev.c (rest_of_compilation): Purge dead edges unconditionally + after combine. + +2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (do_line): Correct line number after pop_buffer. + +2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/3824 + * line-map.c: Update comments. + * line-map.h: Update comments. + * tradcif.y: Don't consider large numbers unsigned. + +2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/3081 + * c-lex.c (map): New. + (cb_file_change): Update map and use it. + (cb_def_pragma, cb_define, cb_undef): Use map and line. + (c_lex): Update to use map. + * cpperror.c (print_location): Move to using logical line numbers. + * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change. + (cpp_make_system_header): Similarly. + (_cpp_execute_include): Stop line numbering hacks. Store the + line we will return to. + * cpphash.h (CPP_BUF_LINE): Remove. + (struct cpp_buffer): Remove lineno and pseudo_newlines. + Add map and return_to_line. + (_cpp_do_file_change): Update. + * cppinit.c (cpp_start_read): Update line kludge. + * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines. + (trigraph_ok): Use logical line numbers for diagnostics. + (skip_block_comment): Likewise. + (skip_whitespace): Likewise. + (skip_line_comment): Use pfile->line instead. + (_cpp_lex_token): Update to use logical line numbering exclusively. + Handle BOL locally. Accept new lines in directives, but keep + pfile->line decremented. Diagnostics use logical lines. Update + directive handling. + * cpplib.c (SEEN_EOL): New. + (skip_rest_of_line, check_eol): Use it. + (end_directive): Increase line number when accepting the newline + at the end of a directive. + (run_directive): Simplify. + (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update. + (_cpp_do_file_change): Update to take buffer line number as an + argument, and store the current map in the cpp_reader. Remove + line number kludges. + (_cpp_do__Pragma): Restore output position after a _Pragma. + (cpp_push_buffer): Don't set output line or lineno. + (_cpp_pop_buffer): Transfer more info from a faked buffer. + Remove line kludge. Set output_line. + * cppmacro.c (builtin_macro): Update handling of __LINE__. + (parse_arg): Use logical lines. + (save_lookahead_token): Save EOFs too now. + * cppmain.c (struct printer): Fix comments. + (printer_init): Simplify, let caller do errors. + (scan_translation_unit, check_multiline_token, dump_macro): Update. + (maybe_print_line): Simplify. + (print_line): Don't print a linemarker if -P. + (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update. + (cb_file_change): Simplify. + * line-map.h (LAST_SOURCE_LINE): Fix. + (CURRENT_LINE_MAP): New. + +2001-08-05 Bernd Schmidt <bernds@redhat.com> + + * doloop.c (doloop_modify_runtime): Properly compute number of + iterations if loop was unrolled. + + * alias.c (rtx_equal_for_memref_p): VALUEs are only identical + if their CSELIB_VAL_PTRs are. + + * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn. + (setup_spill_pointers): Initialize it. + (spill_restore_mem): Set it. + (do_spill, do_restore): Use it to add REG_INC note. + * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed. + + * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of + asms if other insns are available. + + * config/ia64/ia64.c (condop_operator): New predicate. + * config/ia64/ia64.h (PREDICATE_CODES): Add it. + * config/ia64/ia64.md (cond_opsi2_internal and splitters): New + patterns. + + * expr.c (expand_expr, case COND_EXPR): Prefer working with a + temporary register than directly using a MEM. + +2001-08-04 Hans-Peter Nilsson <hp@bitrange.com> + + * config/sh/sh.c (sh_asm_named_section): Fix typo in align + parameter in last change. + +2001-08-04 Zack Weinberg <zackw@panix.com> + + * sparc.md: Don't use #if inside C test expression. + +2001-08-04 Richard Henderson <rth@redhat.com> + + * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack. + +2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): New member directive_line. + * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks. + * cpplib.c (do_define, do_undef, do_ident, do_include_common, + do_pragma): Pass line to callbacks. + (start_directive): Record line of directive. + * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma, + cb_include): Similarly. + * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma): + Similarly. + +2001-08-04 Hans-Peter Nilsson <hp@bitrange.com> + + * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION + comment. + +Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz> + + * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes. + + * reload1.c (fixup_abnormal_edges): New static function. + (reload): Use it. + + * flow.c (need_fake_edge_p): New function. + (flow_call_edges_add): Fix handling of noreturn and sibling calls; + avoid call insn to be very last insn in the insn stream. + + * profile.c (branch_prob): Call flow_call_edges_add instead of + doing that by hand; cleanup cfg to re-merge basic blocks once + we are done. + +2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h + are also on line-map.h. + * cppfiles.c (stack_include_file): Update. + * cpphash.h (struct cpp_buffer): New member return_at_eof. + (_cpp_pop_buffer): New. + * cppinit.c (cpp_destroy, cpp_finish): Update. + (do_includes): Mark each buffer to return at EOF. + * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or + return as requested. + * cpplib.c (run_directive, do_line, cpp_push_buffer): Update. + (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping. + * cpplib.h (cpp_pop_buffer): Remove. + (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput. + * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop + buffers. + * cppmain.c (scan_buffer): Rename scan_translation_unit. No need + to pop buffers. + (do_preprocessing): Update. + * fix-header.c (read_scan_file): Update. No need to pop buffers. + * c-parse.in (_yylex): Similarly. + * scan-decls.c (scan_decls): Similarly. + * line-map.h: Update comments. + + * objc/Make-lang.in (objc-act.o): Update dependencies. + +2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory + and soft register for operand 0. + ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0. + +2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft + register for operand 0. + ("bitcmpqi_z_used"): Allow memory for operand 0. + (split "bitcmpqi"): New split to handle address reg as operand 1. + +2001-08-04 Andreas Jaeger <aj@suse.de> + + * gcse.c: Revert Daniel's last patch. + +2001-08-03 Zack Weinberg <zackw@stanford.edu> + + * sparc-protos.h: Add prototypes for fp_zero_operand and + reg_or_0_operand. + * sh-protos.h: Add prototype for fpul_operand. + +2001-08-04 Hans-Peter Nilsson <hp@bitrange.com> + + * doc/extend.texi (Other Builtins): Fix typo in last change. + +2001-08-03 Richard Henderson <rth@redhat.com> + + * target.h (gcc_target): Add asm_out.named_section, + section_type_flags, have_named_sections. + * target-def.h (TARGET_ASM_NAMED_SECTION): New. + (TARGET_HAVE_NAMED_SECTIONS): New. + (TARGET_SECTION_TYPE_FLAGS): New. + + * Makefile.in (toplev.o): Depend on TARGET_H. + (varasm.o, dbxout.o): Likewise. + * c-common.c (decl_attributes): Check targetm.have_named_sections + instead of ifdef ASM_OUTPUT_SECTION_NAME. + * dbxout.c (dbxout_function_decl): Likewise. + (dbxout_function_end): Likewise. + * toplev.c (compile_file): Likewise. + * varasm.c (exception_section): Likewise. + * cp/decl2.c (finish_objects): Likewise. + + * defaults.h (EH_FRAME_SECTION): Remove. + (EH_FRAME_SECTION_ASM_OP): Remove. + (EH_FRAME_SECTION_NAME): New. + (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME. + (UNIQUE_SECTION_P): Remove. + * dwarf2out.c (SECTION_FORMAT): Remove. + (ASM_OUTPUT_SECTION): Remove. + (output_call_frame_info): Use named_section_flags. + (output_comp_unit, dwarf2out_start_source_file): Likewise. + (dwarf2out_end_source_file, dwarf2out_define): Likewise. + (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise. + * varasm.c (in_eh_frame, eh_frame_section): Remove. + (named_section_flags): New. + (named_section): Use it and targetm.section_type_flags. + (resolve_unique_section): New. + (assemble_start_function): Use it. + (asm_emit_uninitialised, assemble_variable): Likewise. + (default_section_type_flags): New. + (default_no_named_section, default_elf_asm_named_section): New. + (default_coff_asm_named_section, default_pe_asm_named_section): New. + * output.h: Update varasm.c decls. + (SECTION_*): New flags. + + * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP. + (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section. + + * config/elfos.h (UNIQUE_SECTION_P): Remove. + * config/alpha/elf.h, config/arm/linux-elf.h: Likewise. + * config/arm/pe.h, config/arm/unknown-elf.h: Likewise. + * config/i386/cygwin.h, config/i386/djgpp.h: Likewise. + * config/i386/i386-interix.h, config/i386/win32.h: Likewise. + * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise. + * config/mips/elf.h, config/mips/elf64.h: Likewise. + * config/mips/iris6gld.h, config/mips/mips.h: Likewise. + * config/pa/pa64-hpux.h, + + * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove. + (TARGET_ASM_NAMED_SECTION): New. + * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise. + * config/alpha/vms.h, config/arm/coff.h: Likewise. + * config/arm/conix-elf.h, config/arm/elf.h: Likewise. + * config/arm/linux-elf.h, config/arm/pe.h: Likewise. + * config/arm/unknown-elf.h, config/avr/avr.h: Likewise. + * config/c4x/c4x.h, config/h8300/h8300.h: Likewise. + * config/i386/cygwin.h, config/i386/djgpp.h: Likewise. + * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise. + * config/i386/sco5.h, config/i386/win32.h: Likewise. + * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise. + * config/mcore/mcore.h, config/mips/elf.h: Likewise. + * config/mips/elf64.h, config/mips/iris6.h: Likewise. + * config/mips/netbsd.h, config/mips/openbsd.h: Likewise. + * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise. + * config/rs6000/xcoff.h, config/sh/sh.h: Likewise. + * config/sparc/sysv4.h: Likewise. + + * config/nextstep.h: Error until named sections implemented. + + * config/a29k/a29k.c (a29k_asm_named_section): New. + * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New. + (vms_section_type_flags, vms_asm_named_section): New. + * config/arm/arm.c (arm_elf_asm_named_section): New. + * config/avr/avr.c (asm_output_section_name): Remove. + * config/avr/avr-protos.h: Update. + * config/c4x/c4x.c (c4x_asm_named_section): New. + * config/h8300/h8300.c (h8300_asm_named_section): New. + * config/i386/i386.c (sco_asm_named_section): New. + * config/i386/winnt.c (SECTION_PE_SHARED): New. + (i386_pe_section_type_flags): New. + (i386_pe_asm_named_section): New. + * config/i386/i386-protos.h: Update. + * config/m68k/m68k.c (m68k_coff_asm_named_section): New. + * config/mcore/mcore.c (mcore_asm_named_section): New. + * config/mips/mips.c (iris6_asm_named_section): New. + * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY + instead of UNIQUE_SECTION_P. + * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New. + (xcoff_asm_named_section): New. + * config/sh/sh.c (sh_asm_named_section): New. + * config/sparc/sparc.c (sparc_elf_asm_named_section): New. + + * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove. + * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove. + (EH_FRAME_SECTION_NAME): New. + (EXCEPTION_SECTION): New. + * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove. + (DEBUG_*_SECTION): Remove. + * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove. + * config/mips/iris6.h (DEBUG_*_SECTION): Remove. + (EH_FRAME_SECTION_ASM_OP): Remove. + + * doc/tm.texi (UNIQUE_SECTION_P): Remove. + (ASM_OUTPUT_SECTION_NAME): Remove. + (TARGET_ASM_NAMED_SECTION): New. + (TARGET_HAVE_NAMED_SECTIONS): New. + (TARGET_SECTION_TYPE_FLAGS): New. + (EH_FRAME_SECTION_ASM_OP): Remove. + (EH_FRAME_SECTION_NAME): New. + +2001-08-03 Zack Weinberg <zackw@stanford.edu> + + * builtins.c (fold_builtin_constant_p): Return integer_zero_node + for complex expressions when cfun == 0. + * doc/extend.texi: Document that __builtin_constant_p can be + used in data initializers as well as functions. + +2001-08-03 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare + variable I locally, instead of expecting a declaration in the + calling context. + +2001-08-03 Richard Henderson <rth@redhat.com> + + * except.c (collect_one_action_chain): Add an explicit cleanup + action if regions surrounding a catch were encoded entirely + within the call-site entry. + +2001-08-03 Richard Henderson <rth@redhat.com> + + * dbxout.c (dbxout_symbol_location): Flatten subregs first; + don't take REGNO of a non-register. + +2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and + __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization. + (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1 + (__gthread_mutex_init_function): New function for mutex initialization. + +2001-08-03 Daniel Berlin <dan@cgsoftware.com> + + * Makefile.in: Revert screwed up commit. + +2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor. + * config/m68hc11/larith.asm (_exit): Split in several sub-sections + merged by linker script to get a final _exit(). + (__do_global_dtors): New for destructor handling in specific exit + section. + (__do_global_ctors): New for constructors in specific install section. + (__map_data_section): Map data sections before running constructors. + * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word. + (CTORS_SECTION_ASM_OP): Define to put in readonly section. + (DTORS_SECTION_ASM_OP): Likewise. + (CTORS_SECTION_FUNCTION): Define to force a reference to + __do_global_ctors. + (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors. + +2001-08-03 Daniel Berlin <dan@cgsoftware.com> + + * ChangeLog: Fix date on previous ChangeLog entry for GCSE. + + * Makefile.in: Add df.h to gcse.c dependencies. + +2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * varasm.c (output_constant_def_contents): Use for the length of a + string constant either its TREE_STRING_LENGTH or its int_size_in_bytes + depending on which is larger. + +2001-08-03 Daniel Berlin <dan@cgsoftware.com> + + * gcse.c: Include df.h for use as a dataflow analyzer. + Remove regvec. + Declaration of reg_set_info: gone. + New df_analyzer variable used by store motion. + (reg_set_info): Deleted. + (mark_mem_regs): New function, analyze regs used by a mem. + (store_ops_ok): Use dataflow analyzer results to determine if + necessary regs are changed in the block. + (find_moveable_store): Remove check for symbol ref, we can handle + much more complex expressions now. + (compute_store_table): Remove most of the code, it's unnecessary + now that the dataflow analyzer records the info for us. + (store_killed_after): Add parameter to say whether to do the + store_ops_okay test, used to speed up testing when we already know + the answer, and just want to know if the store itself was killed. + (build_store_vector): Largely rewritten to calculate the various + vectors properly, and somewhat optimized. + (store_motion): Init the df_analyzer, get REG_DEF chains. + Also handle trapping expressions (since mems almost always trap) + (simple_mem): Redefine what a simple mem is. + +2001-08-03 DJ Delorie <dj@redhat.com> + + * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary + set from a constant part of the condition. + +2001-08-01 Andrew Cagney <ac131313@redhat.com> + + * mkdeps.c (deps_add_default_target): Make local variable + ``start'' a const char pointer. + * dwarf2out.c (compute_section_prefix): Localize use of ``p''. + +2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Configuration): Fix markup. + (Specific, i?86-*-udk): Likewise. + (Specific, alpha*-dec-osf*): Warn against --with-gnu-as, + --with-gnu-ld. + Document --enable-threads and --enable-libgcj status. + (Specific, mips-sgi-irix*): Canonicalize triples. + (Specific, mips-sgi-irix5): Warn about problems with this config. + Mention required GNU as patch. + Native assembler problems are fixed. + (Specific, mips-sgi-irix6): Update O32 ABI support status. + Document --enable-threads and --enable-libgcj status. + +2001-08-02 Nick Clifton <nickc@cambridge.redhat.com> + + * Makefile.in, mklibgcc.in: Restore changes with fixed invocation + of mkinstalldirs. + +2001-08-03 Richard Henderson <rth@redhat.com> + + * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to + constant data. + +2001-08-03 Richard Henderson <rth@redhat.com> + + * rtlanal.c (find_first_parameter_load): Stop if we + reach a CODE_LABEL at BOUNDARY. + +2001-08-03 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (force_movdi): New insn. + * config/alpha/alpha.c (alpha_expand_prologue): Use it. + Tweek FRP marking of VMS prologue insns. + * config/alpha/vms.h (EPILOGUE_USES): New. + +2001-08-02 Richard Henderson <rth@redhat.com> + + * Makefile.in, mklibgcc.in: Revert mkinstalldirs change. + +2001-08-02 Lars Brinkhoff <lars@nocrew.org> + + * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c, + simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h, + config/convex/convex.h, config/d30v/d30v.c, + config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, + config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c, + config/mips/mips.h, config/mn10200/mn10200.h, + config/mn10300/mn10300.h, config/pdp11/pdp11.md, + config/v850/v850.h, config/vax/openbsd.h, + config/vax/openbsd1.h, config/vax/ultrix.h, + config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h, + config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h, + cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi, + doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi, + doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX" + in comments and documentation. + +2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * line-map.c: New. + * line-map.h: New. + * Makefile.in (line-map.o): New. + (LIBCPP_OBJS, LIBCPP_DEPS): Update. + * c-lex.c (cb_file_change): Update for new cpp_file_change structure. + * cpperror.c (print_containing_files): Similarly. + (print_location): Update. Don't output a space before _Pragma. + * cppfiles.c (stack_include_file): Set to line 1 immediately. + (stack_include_filee, cpp_make_system_header): Update. + (_cpp_execute_include): Get logical line number right for calling + as-yet-unterminated #include. + * cpphash.h (struct cpp_reader): Add line_maps. + (_cpp_do_file_change): Update. + * cppinit.c (cpp_create_reader): Initialize line maps. + (cpp_destroy): Destroy line maps. + (cpp_start_read): Get logical line number right. + * cpplex.c (parse_string): Only warn once for multi-line strings. + Use boolean variable for null warning. + * cpplib.c (_cpp_handle_directive): End the directive if it isn't + already. + (do_include_common): End the directive early. + (do_line): Don't warn about out-of-range lines in preprocessed + source. Update. Remove unused variables. + (_cpp_do_file_change): Update for new line mapping. + (pragma_cb): New typedef. + (cpp_register_pragma): Stop looking ahead before calling the + handler. Clean up. + (do_pragma_system_header): End directive early. + (cpp_get_line_maps): New. + (cpp_pop_buffer): Fudge logical line. Update. + * cpplib.h: Include line-map.h + (enum cpp_fc_reason): Remove. + (struct cpp_file_change): Update. + (cpp_get_line_maps): New. + * cppmain.c (struct_printer): New member map. + (cb_file_change): Update for new mappings. + * fix-header.c (cb_file_change): Similarly. + +2001-08-02 Nick Clifton <nickc@cambridge.redhat.com> + + * Makefile.in (libgcc.mk): Define mkinstalldirs. + * mklibgcc.in: Use mkinstalldirs instead of mkdir. + +2001-08-02 Lars Brinkhoff <lars@nocrew.org> + + * config/vax/vax.c: include expr.h. + +2001-08-02 Nick Clifton <nickc@cambridge.redhat.com> + + * Makefile.in ($(srcdir)/configure): Only rebuild in + maintainer mode. + ($(srcdir)/config.in): Only define in maintainer mode. + ($(srcdir)/cstamp-h.in): Only define in maintainer mode. + +2001-08-02 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi (Install GCC: Binaries): Update Bull info. + +2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gcc.c (set_collect_gcc_options): New function, split out from + main. + Ignore elided switches. + (do_spec_1): Invoke before executing command. + (set_input): Export. + Move declaration ... + * gcc.h (set_input): ... here. + * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input + file. + +2001-08-02 Nathan Sidwell <nathan@codesourcery.com> + + Kill -fhonor-std. + * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std + interaction. + * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std. + +2001-08-02 Richard Sandiford <rsandifo@redhat.com> + + * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise + for the unnamed instructions it expands to. + +2001-08-02 Richard Henderson <rth@redhat.com> + + * regclass.c (call_really_used_regs): Conditionally define. + (init_reg_sets_1): Don't use it if not defined. + (fix_register): Similarly, don't set it. + +2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600. + Correct comment that had been missed in the previous change. + +2001-08-01 Stan Shebs <shebs@apple.com> + + * config/darwin.c (machopic_stub_name): Try matching by name. + (update_stubs): New function. + (darwin_encode_section_info): Call it and update_non_lazy_ptrs + unconditionally. + +2001-08-01 Richard Henderson <rth@redhat.com> + + * except.c (output_function_exception_table): Use assemble_align. + * varasm.c (assemble_eh_label): Remove. + (assemble_eh_align, assemble_eh_integer): Remove. + +2001-08-01 Robert Lipe <robertl@caldera.com> + + * dwarfout.c: Remove reference to README.DWARF. + +2001-08-01 Andrew MacLeod <amacleod@redhat.com> + + * regclass.c (call_really_used_regs): New array for registers which + are actually used by a call. + (init_reg_sets_1): Initialize regs_invalidated_by_call with the + new array. + (fix_register): Set call_really_used too. + * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize. + * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document. + +2001-08-01 Richard Henderson <rth@redhat.com> + + * read-rtl.c (read_name): Consider \r whitespace. + +2001-07-11 Andrew Cagney <ac131313@redhat.com> + + * config.gcc: Recognize powerpc-*-netbsd*. + + * doc/install.texi (Host/target specific installation notes for + GCC): Mention powerpc-*-netbsd*. + + * config/rs6000/netbsd.h: New file. + (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine. + (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine. + (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine. + (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine. + (TARGET_VERSION): Redefine. + + * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize + mcall-netbsd as a match for mcall-sysv. + (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext). + (ncrti.S, ncrtn.S): New targets. + ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets. + + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize + "netbsd' as a V4 ABI. + (ASM_SPEC): Check for -mcall-netbsd. + (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto. + (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto. + (LIB_SPEC, ENDFILE_SPEC): Ditto. + (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define. + (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define. + (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define. + (SUBTARGET_EXTRA_SPECS): Add NetBSD specs. + + * doc/invoke.texi (Option Summary): Add -mcall-netbsd. + (RS/6000 and PowerPC Options): Mention -mcall-netbsd. + +2001-08-01 Mark Kettenis <kettenis@gnu.org> + + * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define + only if NO_BASE_OF_ENCODED_VALUE isn't defined. + * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before + including "unwind-pe.h". + +Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rs6000.md (define_splits): Kill unused constraints. + +Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com> + Jan Hubicka <jh@suse.cz> + + * function.c (thread_prologue_and_epilogue_insns): Kill code + dealing with non-existent CFG. + +2001-08-01 Kazu Hirata <kazu@hxi.com> + + * alias.c: Fix comment formatting. + * bitmap.c: Likewise. + * builtins.c: Likewise. + * calls.c: Likewise. + * c-common.c: Likewise. + * c-decl.c: Likewise. + * c-dump.c: Likewise. + * c-lex.c: Likewise. + * collect2.c: Likewise. + * combine.c: Likewise. + * conflict.c: Likewise. + * cppfiles.c: Likewise. + * cppinit.c: Likewise. + * cpplex.c: Likewise. + * cpplib.c: Likewise. + * cppmacro.c: Likewise. + * cppspec.c: Likewise. + * c-pragma.c: Likewise. + * crtstuff.c: Likewise. + * cse.c: Likewise. + * cselib.c: Likewise. + * c-semantics.c: Likewise. + * c-typeck.c: Likewise. + +2001-08-01 H.J. Lu <hjl@gnu.org> + + * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined. + +2001-08-01 H.J. Lu <hjl@gnu.org> + + * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined. + +2001-08-01 Ziemowit Laski <zlaski@apple.com> + + * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for + contextualizing Objective-C class name lookup by the lexer. + (typespec_reserved_nonattr): Disable ObjC class name lookup after + seeing a TYPESPEC. + (protocoldef): Add support for forward @protocol declarations. + (yylexname): Suppress ObjC class name lookup in certain contexts; + re-enable after lookup is complete. + (_yylex): Re-enable ObjC class name lookup when certain + punctuation marks are seen. + + * objc/objc-act.c (check_protocol_recursively): New function used + for finding circular dependencies in protocols. + (objc_declare_protocols): New function for handling forward + @protocol declarations. + (receiver_is_class_object): Detect the case when 'self' is used + inside of a class method. + (build_message_expr): Issue a warning if class method is desired + but instance method is found instead. + (conforms_to_protocol): Streamline. + (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to + protocol Foo, even if 'Bar foo' does not. + (check_protocols): Streamline. + (start_protocol): Add checks for circular and duplicate protocol + definitions. + (encode_aggregate_within): For typedefs of structs, encode the + underlying struct. + * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor. + (objc_declare_protocols): New prototype. + +2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): New members line, pseudo_newlines. + * cpplex.c (handle_newline): Update prototype. Maintain logical + line number. + (skip_escaped_newlines, skip_block_comment, parse_string): + Update accordingly. + (_cpp_lex_token): Update, and store token position within the token. + * cpplib.h (struct cpp_token): Add line and column entries. + * cppmacro.c (replace_args): Position stringified tokens correctly. + +2001-08-01 Andreas Jaeger <aj@suse.de> + + * basic-block.h: Add prototype for last_loop_beg_note. + +2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com> + + * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of + RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in + comment. + (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL + while handling WITH_CLEANUP_EXPR node. Use second operand calling + expand_decl_cleanup. + * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is + the first RTX. + (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second + operand while calling simple_cst_equal. + * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second + operand is the cleanup expression, the third is the RTL_EXPR. + * tree.h (WITH_CLEANUP_EXPR_RTL): New macro. + +2001-07-31 Jeff Sturm <jsturm@one-point.com> + + * except.c (duplicate_eh_regions): Test n_array[i] for NULL. + +2001-07-31 matthew green <mrg@eterna.com.au> + + * config.gcc (i386-*-netbsdelf): New description. + * config/i386/netbsd-elf.h: New file. + +2001-07-30 Geoffrey Keating <geoffk@redhat.com> + + * loop.c (check_dbra_loop): Use single_set to compute + jump_label. + +2001-07-31 Daniel Berlin <dan@cgsoftware.com> + + PowerPC reorg and support for powerpc64-*-linux*. + + Also fixes emitting of constants on 32 bit and 64 bit + platforms. + + * config.gcc: powerpc64-*-linux* is a new target. + Things that needed aix.h now also include xcoff.h + + * config/rs6000/rs6000.h: Split XCOFF specific stuff into + xcoff.h. + Move AIX specific stuff into aix.h. + (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used + with more than just XCOFF now. + (SET_ASM_OP): Remove, now defined where needed. + (FUNCTION_PROLOGUE): New macro definition. + (FUNCTION_EPILOGUE): New macro definition. + (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition. + + * config/rs6000/xcoff.h: New file. + + * config/rs6000/linux64.h: New file. + + * config/rs6000/darwin.h: Copy needed AIX alignment definitions. + +2001-07-31 Alan Modra <amodra@bigpond.net.au> + + * rs6000.c (print_operand_address): Handle ELF syntax. + (output_toc): Simplify. Use DOUBLE_INT_ASM_OP. + * rs6000.md (load_toc_aix_di): Handle ELF syntax. + * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP. + +2001-07-31 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (rs6000_override_options): Only disable + flag_function_sections for XCOFF. + (exact_log2_cint_operand): New predicate. + (reg_or_{add,sub}_cint64_operand): New predicates. + (add_operand): Compare CONST_INT with fewer function calls. + (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions. + (print_operand, case 'p'): Ensure positive operand. + (rs6000_emit_load_toc_table): No load_toc_v4_pic_di. + * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value. + (PREDICATE_CODES): Add new predicates. + * rs6000.md (addsi3): Split 32-bit constants more correctly. + (divsi3, modsi3): Ensure positive power-of-2. + (adddi3): Use new predicate. Split 32-bit constants more + correctly. Re-arrange splitter to handle any constant. + (subdi3): Use new predicate. + (divdi3, moddi3): Ensure positive power-of-2. + (movdi): Use rs6000_emit_set_const. + (load_toc_v4_pic_di): Delete. + +2001-07-31 Graham Stott <grahams@redhat.com> + + * function.c (pad_below): Revert 2001-07-26 patch. + +Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack (convert_regs_1): Fix best edge condition. + +Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (duplicate_loop_exit_test): Better test for jumps + entering the loop; create loop pre_header. + +2001-07-31 Hartmut Penner <hpenner@de.ibm.com> + + * doc/install.texi: Add s390 and s390x as new targets. + * doc/invoke.texi: Add documentation of S/390 and zSeries + target options. + * doc/md.texi: Add documentation of S/390 and zSeries constraints. + +2001-07-30 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.md: Replace all general_operand with + nonimmediate_operand for all destinations. + * config/m68k/m68k.c (not_sp_operand): Likewise. + +Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com) + + * flow.c (merge_blocks): Return 1 if an extra jump is inserted. + +2001-07-30 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New. + * config/mips/iris6.h (DEBUG_RANGES_SECTION): New. + +2001-07-30 Roman Zippel <zippel@linux-m68k.org> + + * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS): + Add missing doc strings + * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise + * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise + +Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_output_main_function_alignment_hack): New function. + (TARGET_ASM_FUNCTION_PROLOGUE): Default to it. + + * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back + edges by EDGE_DFS_BACK flag. + (dump_edge_info): Add dfs_back flag. + * basic-block.h (EDGE_DFS_BACK): New constant. + (mark_dfs_back_edges): Declare. + * alias.c (loop_p): Remove. + (mark_constant_function): Use mark_dfs_back_edges. + + * reg-stack.c (block_info_def): Add predecessors counter and stack_out. + (reg_to_stack): Call mark_dfs_back_edges; count the predecessors. + (compensate_edge): Break out from ... + (convert_regs_1): ... here; do smart choosing of stack_out to copy. + (convert_regs_2): Set block_done once block is really done; + Do updating of the predecessors counts. + + * toplev.c (rest_of_compilation): Recompute block_for_insn + before post-reload cfg_cleanup. + * function.c (thread_prologue_epilogue_insns): + Call set_block_for_new_insns when emitting prologue directly. + +2001-07-30 Andreas Jaeger <aj@suse.de> + + * jump.c: Add prototype for mark_modified_reg. + + * cse.c (set_live_p): Add unused attribute. + + * gcov.c (calculate_branch_probs): Use gcov_type to avoid + overflow. + (scan_for_source_files): Use long for count to avoid overflow. + (output_data): Likewise. + (output_data): Don't use string concatatenation to silence gcc + -traditional. + + * predict.c: Fix typos and grammar. + + * gcse.c (insert_insn_end_bb): Remove unused variables. + +Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (mark_set_1): Use REG_FREQ_FROM_BB. + (attempt_auto_inc): LIkewise. + (mark_used_reg): Likewise. + (try_pre_increment_1): Likewise. + * regclass.c (regclass): Likewise. + * global.c (allocno_compare): Update comment; change scaling factor. + * local-alloc.c (QTY_CMP_PRI): Likewise. + * regs.h (REG_FREQ_FROM_BB): New. + (REG_FREQ_MAX): Likewise. + +2001-07-30 H.J. Lu <hjl@gnu.org> + + * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add + -D_GNU_SOURCE. + +2001-07-30 H.J. Lu (hjl@gnu.org) + + * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined. + (ASM_DECLARE_FUNCTION_SIZE): Likewise. + (FUNCTION_NAME_ALREADY_DECLARED): Likewise. + +2001-07-30 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well + as -mthumb-interwork when -mcpu=arm7 is specified. + +Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (noreturn, loop branch, loop exit): Mark as first + match heuristics. + +Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (try_combine): Avoid barrier after noop jumps. + +2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): Remove import_warning. + * cpplib.c (skip_rest_of_line): Don't bother turning off + macro expansion. + (parse_include): Move include handling to... + (do_include_common): ... here. Move import warning from... + (do_import): ... here. + (do_pragma_poison): Don't do a callback for poison identifiers. + * cpplib.h (struct cpp_callbacks): Don't do poison callbacks. + * cppmain.c (setup_callbacks): Similarly. + +Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (parms_set, find_first_parameter_load): Break out from...; + handle multiple sets. + * except.c (sjlj_mark_call_sites): .... here. + * gcse.c (insert_insn_end_bb): Use find_first_parameter_load. + +Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz> + + Suggested by Richard Henderson and Richard Kenner: + * combine.c (recog_for_combine): Use the fake recog + only if instruction does not match. + * rtl.h (NOOP_MOVE_INSN_CODE): New. + * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE. + + * combine.c (try_combine): Discover noop jump as direct jump. + +2001-07-29 Daniel Berlin <dan@cgsoftware.com> + + * df.c (df_rd_global_compute): Add successors to worklist, not + current item. + (df_ru_global_compute): Ditto. + +2001-07-27 Daniel Berlin <dan@cgsoftware.com> + + * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we + increment REG_N_SETS. + +2001-07-26 Daniel Berlin <dan@cgsoftware.com> + + * sbitmap.h: New prototype for sbitmap_a_xor_b. + + * sbitmap.c (sbitmap_a_xor_b): New function. + ifdef the basic block stuff on IN_GCC. + +2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppexp.c (parse_defined): Always record the macro name. + (lex): Don't worry about identifiers, or special-case + CPP_NOT here. + (_cpp_parse_expr): Figure out at the end of the routine + whether we saw a valid !defined() expression. + * cppfiles.c (stack_include_file): Update for mi_valid. + (_cpp_pop_file_buffer): Similarly. + * cpplex.c (_cpp_lex_token): Similarly. + * cpphash.h (enum mi_state, enum mi_ind, mi_state, + mi_if_not_defined, mi_lexed): Remove. + (mi_valid): New. + * cpplib.c (do_if): Simplify. + (do_endif, push_conditional, _cpp_handle_directive): Update + for renaming of mi_state to mi_valid. +doc: + * cpp.texi: Add index entries for digraphs, and add comment + that C++ refers to them as alternative tokens. + +Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (CLEANUP_PRE_LOOP): New. + * except.c (finish_eh_generation): Update call of cleanup_cfg. + * sibcall.c (optimize_sibling_calls): Likewise. + * toplev.c (rest_of_compilation): Likewise. + * flow.c (try_forward_edges): Take argument MODE; + do not forward over loop pre-headers if CLEANUP_PRE_LOOP. + (try_optimize_cfg): Update call of try_forward_edges. + +Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org> + Jan Hubicka <jh@suse.cz> + + * (validate_replace_rtx_1): Fix simplification of MINUS. + +2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/3669 + * cppinit.c (init_dependency_output): Turn off dump requests + if sending dependencies to stdout. + +2001-07-28 Richard Henderson <rth@redhat.com> + + * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if + not optimizing. + +2001-07-28 Golubev I. N. <gin@mo.msk.ru> + + * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define. + +2001-07-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL + is VAR_DECL first to prevent an ICE. + +2001-07-28 Richard Henderson <rth@redhat.com> + + * varasm.c (immed_real_const_1): Don't elide special cases for + nested functions. + (clear_const_double_mem): Clear const_tiny_rtx too. + +2001-07-28 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (dw_val_class_offset): New. + (struct dw_ranges_struct, dw_ranges_ref): New. + (ranges_table, ranges_table_allocated): New. + (ranges_table_in_use, RANGES_TABLE_INCREMENT): New. + (add_AT_offset, add_ranges, output_ranges): New. + (print_die, output_die): Handle dw_val_class_offset. + (attr_checksum, size_of_die, value_format): Likewise. + (gen_lexical_block_die): Handle non-contiguous blocks. + (gen_block_die): Likewise. + (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit + if needed. Dump the ranges table. + * final.c (final_start_function): Remove unnecessary notes and + rebuild the block tree before numbering the blocks. + * function.c (reorder_blocks_0): Walk the existing block tree + to unmark all blocks. + (reorder_blocks_1): Create block fragments when duplicate block + notes are seen. + (reorder_fix_fragments): New. + (reorder_blocks): Call it. + * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New. + +2001-07-28 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (adjust_address): Make a copy of the memory address. + +2001-07-28 Richard Henderson <rth@redhat.com> + + * flow.c (add_to_mem_set_list): New function. + (init_propagate_block_info): Use it. + (mark_set_1): Likewise. + (insn_dead_p): Canonicalize memory address for dead store + comparison. Allow wider mode stores to kill narrower mode stores. + (invalidate_mems_from_autoinc): Use invalidate_mems_from_set. + (invalidate_mems_from_set): Don't handle MEMs. + +2001-07-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix formatting. + +Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (EDGE_FREQUENCY): New macro. + * bb-reorder (fixup_reorder_chain): Set counts and frequencies + for new BB/edges. + * flow.c (find_sub_basic_blocks): Likewise. + (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY + (redirect_edge_and_branch): Use EDGE_FREQUENCY. + + * predict.c (DEF_PREDICTOR): New argument FLAGS. + (HITRATE): New macro. + (PRED_FLAG_FIRST_MATCH): New constant. + (predictor_info): New field flgags. + (combine_predictions_for_insn): Use DS theory to combine + probabilities; set the edge probabilities when finished. + (estimate_probability): Avoid duplicated matches + of LOOP_BRANCH heuristics for nested loops; update comment. + * predict.def: Add flags for each prediction, set probabilities + according to B&L paper. + * predict.h (DEF_PREDICTOR): New argument FLAGS. + + * profile.c (compute_branch_probabilities): Cleanup way the edge + probabilities are computed and REG_BR_PROB notes are dropped; if + values does not match, emit error. + (init_branch_prob): Do error instead of warning when profile driven + feedback is missing or corrupt. + +2001-07-27 DJ Delorie <dj@redhat.com> + + * ifcvt.c (noce_get_alt_condition): If the condition is a compare + against a constant, try to adjust the compare to have the desired + constant in it so that min/max optimizations happen more often. + +Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (last_loop_beg_note): New function. + (redirect_edge_and_branch): Use it. + (split_edge): Likewise. + + * alias.c (loop_p): Avoid uninitialized memory access. + + * flow.c (try_forward_edges): Avoid accessing freed memory. + + * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized + variable access. + +2001-07-26 Andrew Haley <aph@redhat.com> + Joern Rennecke <amylaar@redhat.com> + + * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New. + (SUBTARGET_CPP_ENDIAN_SPEC): New. + (SUBTARGET_CPP_SPEC): New. + (CPP_SPEC): Remove. + * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New. + (SUBTARGET_CPP_PTR_SPEC): New. + (CPP_DEFAULT_CPU_SPEC): New. + (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC, + SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC. + (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC, + SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC. + (SUBTARGET_CPP_SPEC): Define as an empty string. + +2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Configuration): Properly link the host + specific instructions also when generating HTML. + +Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com) + + * flow.c (redirect_edge_and_branch_force): Test + target->global_live_at_start. + +2001-07-26 Richard Henderson <rth@redhat.com> + + * simplify-rtx.c (avoid_constant_pool_reference): Export. + * rtl.h (avoid_constant_pool_reference): Declare it. + * dwarf2out.c (add_location_or_const_value_attribute): Use it. + (add_const_value_attribute): Use add_AT_unsigned for unsigned values. + +Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtl.h (cleanup_barriers): Declare. + * jump.c (cleanup_barriers): New function. + * toplev.c (rest_of_compilation): Call cleanup_barriers + before loop optimizer and after bb_reorder. + + * flow.c (back_edge_of_syntactic_loop_p): New. + (split_edge): Use it. + +2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * glimits.h (_MACH_MACHLIMITS_H_): Delete. + +Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru> + + * cse.c (cse_process_notes): Replace any registers if the address + remains valid. + +Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com) + + * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define. + (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES. + (propagate_block): Update prototype. + * flow.c (update_life_info): Simplify the CFG and + recalculate the global regs which are alive when + removing dead code during a global update. + (propagate_block): Return nonzero if an INSN is + deleted. + +2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * Makefile.in (LIBICONV): Define. + +2001-07-26 Catherine Moore <clm@redhat.com> + + * config/v850/v850.h (ENCODE_SECTION_INFO): Change order + of conditional to avoid tree checking errors. + +2001-07-26 Kazu Hirata <kazu@hxi.com> + + * regmove.c (regmove_optimize): Don't replace a reg with + another reg of a different mode. + +2001-07-26 Andrew MacLeod <amacleod@redhat.com> + + * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to + limit length of dependency flush list. + * params.h (MAX_PENDING_LIST_LENGTH): Define. + * sched-int.h (struct deps): Add pending_flush_length field. + * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now + has 1 element in it. + (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH. + (sched_analyze): After a jump, if the pending memory flush list is too + large, flush the pending lists. + (init_deps): Initialize pending_flush_length to 0. + * doc/invoke.texi (max_pending_list_length): Document parameter. + +2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate. + * dbxout.c (dbxout_global_decl): Move outside #ifdef. + * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies. + +2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cpphash.h (struct_lexer_state): Delete was_skipping. + Move skipping here from struct cpp_reader. + * cpplex.c (parse_identifier): Update. + (_cpp_lex_token): Don't skip tokens in a directive. + * cpplib.c (struct if_stack): Update. + (start_directive, end_directive): Don't change skipping state. + (_cpp_handle_directive): Update. + (do_ifdef, do_ifndef, do_if, do_elif): Similarly. + (do_else, do_endif): Update; only check for excess tokens if not + in a skipped conditional block. + (push_conditional): Update for new struct if_stack. + +2001-07-26 Graham Stott <grahams@redhat.com> + + * function.c (locate_and_pad_parm): Also pad initial offset + so that the total argument size also includes the padding. + +2001-07-26 Graham Stott <grahams@redhat.com> + + * gensupport.c (alter_output_for_insn): Correct enable checking failure + change XSTR to XTMPL. + + (process_one_cond_exec): Likewise + +2001-07-25 Richard Henderson <rth@redhat.com> + + * varasm.c (assemble_variable): Create DECL_RTL before setting + TREE_ASM_WRITTEN. + +Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Avoid duplicated predictions. + + * loop.c (find_and_verify_loops): Grok multiple barriers. + +Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'. + + * dbxout.c: Consistently use putc instead of fputc. + (print_wide_int): New function; call instead of direct fprintf. + (dbxout_type_index): Adjust calls of CHARS to be more accurate. + (dbxout_type_fields, dbxout_type_method_1): Likewise. + (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise. + (print_int_cst_octal): Likewise. + (print_octal): Show we wrote characters. + (dbxout_type): Set have_used_extensions in more places. + +2001-07-25 Catherine Moore <clm@redhat.com> + + * config/v850/v850.c (v850_va_arg): Use addr + instead of valist to build incr. + +Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (delete_dead_jumptables): New function. + (life_analyzis): Call it. + * bb-reorder.c (skip_insns_after_block): Handle contradictory + sequences. + +2001-07-25 Richard Henderson <rth@redhat.com> + + * except.c (reachable_handlers): Handle a region being removed + out from under a RESX. + +2001-07-25 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_emit_conditional_move): Always + swap GE/GT if it is an fp comparison. + +2001-07-25 Andrew Haley <aph@cambridge.redhat.com> + + * alias.c (rtx_equal_for_memref_p): Allow strings as types in + operands. + +Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com) + + * ssa.c (rename_insn_1): Do not wrap an assignment to a + paradoxical SUBREG inside a SEQUENCE. Fix minor formatting + glitch. + + * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can + throw an exception. + (visit_expression): When attempting to simplify an expression, + retrieve any modes for arguments before they are simplified + to constants. + +2001-07-25 Andrew MacLeod <amacleod@redhat.com> + Janis Johnson <janis@us.ibm.com> + + * stmt.c (expand_goto): A nonlocal goto can be a call too. + * builtins.c (expand_builtin_longjmp): Reverse label and static chain + pointer parameters to match documented usage of nonlocal_goto. + * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain + parameters to their correct order. + * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain + parameters to their correct order. + +2001-07-25 Andrew MacLeod <amacleod@redhat.com> + + * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well. + +2001-07-25 Jan Hubicka <jh@suse.cz> + Richard Henderson <rth@redhat.com> + + * flow.c (find_sub_basic_blocks): Fix handling of the last BB in + the sequence. + (make_edges): New argument update_p; populate the edge cache if set. + (find_basic_blocks): Update make_edges invocation. + +2001-07-24 Joel Sherrill <joel@OARcorp.com> + + * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float. + +2001-07-24 Joel Sherrill <joel@OARcorp.com> + + * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant + -Acpu and -Amachine.h. + * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise. + Corrected header to say ELF not a.out. + * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT + when given -msoft-float. + +2001-07-24 Joel Sherrill <joel@OARcorp.com> + + * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as + extra multilib parts like arm-elf. + (i960-*-coff*, i960-*-rtems): Should not use collect2. + (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and + crtfini.o as extra multilib parts. + +2001-07-24 Joel Sherrill <joel@OARcorp.com> + + * configure.in: Add rtems as a supported thread model. + * gthr-rtems.h: Add missing entry point __gthread_active_p. + * configure: Rebuilt. + +2001-07-24 Lars Brinkhoff <lars@nocrew.org> + + * stor-layout.c (get_mode_alignment): make it work when + BITS_PER_UNIT is not a power of two. + * builtins.c (get_pointer_alignment): Likewise. + +2001-07-24 Richard Henderson <rth@redhat.com> + + * simplify-rtx.c (avoid_constant_pool_reference): Coerce + the retrieved constant into the expected mode. + +Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_simplify_condjump): Avoid duplicated edges. + (verify_flow_info): Check for duplicated edges; clarify + error reporting. + + * flow.c (block_label): Update basic_block_for_insn. + (commit_edge_insertions): Call compute_bb_for_insn. + + * flow.c (purge_dead_edges): Handle conditional jumps and conditional + returns too. + + * flow.c (redirect_edge_and_branch, + try_optimize_cfg): Use redirect_edge_succ_nodup + (redirect_edge_succ_nodup): New. + * basic_block.h (redirect_edge_succ_nodup): Declare. + + * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup + after gcse. + +Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_forward_edges): Accept fallthru edge; Update comment. + (try_crossjump_to_edge): Update commetns. + (try_crossjump_bb): Likewise. + +2001-07-24 Richard Henderson <rth@redhat.com> + + * combine.c (distribute_notes): Move set of need_refresh + for noop_move_p down to catch all cases. + +Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (split_all_insns_noflow): New. + * rtl.h (split_all_insns_noflow): Declare. + * ia64.c (ia64_reorg): Use split_all_insns_noflow. + * m68hc11.c (m68hc11_reorg): Likewise. + * sh.c (machine_dependent_reorg): Likewise. + * toplev.c (rest_of_compilation): Likewise for last split_all_insns + call. + +2001-07-18 Andrew Haley <aph@cambridge.redhat.com> + + * config/sh/sh.md (ashlsi3_std splitter): Split only after reload. + (ashlsi3_n splitter): Likewise. + (lshrsi3_n splitter): Likewise. + + (GOTaddr2picreg): Make const SImode. + (sym_label2reg): Likewise. + (symGOT2reg): Likewise. + (symGOTOFF2reg) Likewise. + + (casesi_worker_0): Make unspec SImode. + +2001-07-18 Andrew Haley <aph@cambridge.redhat.com> + + * config/sh/sh.c (barrier_align): Check that an operand really is + an insn before extracting its INSN_CODE. + +2001-07-24 Andrew Haley <aph@cambridge.redhat.com> + + * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of + dangling else. + + * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands + for SImode to prevent overflow. + +2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/irix6-libc-compat.c: New file. + * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it. + * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure + passing workaround. + +2001-07-24 lars brinkhoff <lars@nocrew.org> + + * rtl.texi (REG_POINTER): Document. + (Machine Modes): Document BImode, OImode, PQImode, PHImode, + QFmode, HFmode, TQFmode, QCmode, and HCmode. + +Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (delete_noop_moves): Do not confuse libcall regions. + +2001-07-23 Richard Henderson <rth@redhat.com> + + * flow.c (try_simplify_condjump): Use tidy_fallthru_edge. + +2001-07-23 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Add a prototype for + general_operand_dst_push. + * config/h8300/h8300.c (general_operand_dst_push): New. + * config/h8300/h8300.h (OK_FOR_T): New. + (EXTRA_CONSTRAINT): Use it. + * config/h8300/h8300.md (movqi_push): Remove and integrate into + the existing movqi pattern. + (movhi_push): Likewise. + + * reload.c: Fix comment typos. + +Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (cprop_insn): Update call of cprop_cc0_jump. + +2001-07-23 H.J. Lu (hjl@gnu.org) + + * doc/extend.texi: Update __builtin_return_address and + __builtin_frame_address. + +2001-07-23 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_setcc): Don't use method 0 + before CSE. + * config/i386/i386.md: New setcc+movzbl peephole2. + +2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * objc/Make-lang.in (objc-act.o): Depend on debug.h. + * objc/objc-act.c: Include debug.h. + (synth_module_prologue): Save and restore debug hooks too. + +2001-07-23 lars brinkhoff <lars@nocrew.org> + + * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT + and C4X_FLOAT_FORMAT. + (BOOL_TYPE_SIZE): Document. + +Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com> + + * unroll.c (loop_iterations): Fix miscalculation of initial + giv offset. + +2001-07-13 Andrew Haley <aph@redhat.com> + + * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro. + * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro. + * config/sh/sh.c (sh_can_redirect_branch): New function. + * config/sh/sh-protos.h (sh_can_redirect_branch): Declare. + * reorg.c (steal_delay_list_from_target): Use + MD_CAN_REDIRECT_BRANCH to see if redirection is possible. + +Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_simplify_condjump): Unlink insn chain on + fallthru edge; use can_fallthru. + +Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (find_sub_basic_block): Declare. + * flow.c (make_edges): New arguments MIN and MAX; + (find_sub_basic_blocks): Revamp to use make_edges + and purge_dead_edges. + (find_basic_blocks): Update call of find_sub_basic_block. + + * recog.c (split_all_insns): Always expect CFG to be consistent; + call find_sub_basic_blocks in case something has changed. + * toplev.c (rest_of_compilation): Always call split_all_insns once CFG + has been built. + + * basic-block.h (delete_noop_moves): Declare. + * combine.c (combine_instructions): Call it. + (recog_for_combine): Tolerate noop moves + (distribute_notes): Force refresh when register dies at noop move. + * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns + too. + (life_analysis): Update delete_noop_moves call. + (set_noop_p): Move too ... + * rtlanal.c (noop_move_p): ... here. + * rtl.h (noop_move_p): Declare. + + * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions. + * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges + after combine. + * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block". + (cprop_jump): Likewise; call purge_dead_edges if substitution succeeded. + +2001-07-23 Hans-Peter Nilsson <hp@bitrange.com> + + * reload.c (push_reload): Fix typo in comment. + (find_reloads_address): Ditto. + (reg_overlap_mentioned_for_reload_p): Ditto in head comment. + +2001-07-22 Richard Henderson <rth@redhat.com> + + * flow.c: Grammar check and clarify a lot of comments. + (try_simplify_condjump): Rename variables to be clearer. + (try_forward_edges): Skip complex and fallthru edges. + Rearrange tests to avoid duplicate checks. + (flow_find_cross_jump): Likewise. + (outgoing_edges_match): Allow match if neither branch has + probability data. Loosen probability match to 5%. + (try_crossjump_to_edge): Hoist repeated indirection into + local variables. + (try_crossjump_bb): Don't check complex edges. Eliminate + redundant crossjump tests. + (try_optimize_cfg): Fix use of bool. Reorganize cheaper + checks before more expensive checks. + +2001-07-22 Richard Henderson <rth@redhat.com> + + * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of + INTEGRAL_TYPE_P when folding comparisons with operand_equal_p + arguments. + +2001-07-22 Richard Henderson <rth@redhat.com> + + * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits. + (const_sint32_operand): Likewise. + * m68k.md (anon mulsi pattern): Use const_int_operand not + const_sint32_operand. + (umulsi3_highpart): Zero extend a constant input. + (smulsi3_highpart): Don't bother checking SImode constant. + (const_umulsi3_highpart): Give op3 DImode. + (const_smulsi3_highpart): Likewise. + +2001-07-22 Richard Henderson <rth@redhat.com> + + * flow.c (split_block): Make sure bb_note is included in the + new block when splitting before a label. + +Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (redirect_edge_and_branch_force, + redirect_edge_and_branch, block_label, forwarder_block_p): Declare. + * flow.c (redirect_edge_and_branch_force, + redirect_edge_and_branch, block_label, forwarder_block_p): Make global. + (redirect_edge_and_branch_force): Fix copying of lifeness information. + (block_label): Handle EXIT_BLOCK_PTR by returning NULL. + * ifcvt.c (dead_or_predictable): Take BB as an new destination + instead of label; update CFG after transformation. + (find_if_case_1): Update call, use redirect_edge_and_branch_force + for finishing the transformation; handle even case where ELSE + does not follow THEN. + (find_if_case_2): Update call of dead_or_predictable; simplify + CFG update. + + * emit-rtl.c (split_branch_probability): New global variable. + (try_split): Take care to set split_branch_probability and + create REG_BR_PROB note for new jump insns. + * md.texi (define_split): Document new feature. + + * i386.c (ix86_split_fp_branch): Redistribute branch probability notes. + +2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h. + (asm_out_file): Remove redundant declaration. + (assemble_asm): Remove old #if 0 block. + (assemble_variable): Remove end of function; debug output is + now handled with global_decl. Remove old #if 0 block. Update. + Remove saved_in_section and associated no-op code. + * Makefile.in (varasm.o): Correct dependencies. + +Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use + the definition in defaults.h. + +Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz> + + * jump.c: Update comments. + (delete_barrier_successors, delete_unreferenced_labels, + delete_noop_moves, tension_vector_labels, delete_from_jump_chain, + delete_labelref_insn, redirect_tablejump, jump_optimize_1, + jump_optimize, jump_optimize_minimal): Kill. + (rebuild_jump_labels): Move code from jump_optimize_1. + (purge_line_number_notes): Likewise. + (copy_loop_headers): Likewise. + * reg-stack.c: Update comment. + * stmt.c: Likewise. + * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES, + JUMP_AFTER_REGSCAN): Kill. + * toplev.c (rest_of_compilation): Use cleanup_cfg, call + purge_line_number_notes and copy_loop_headers. + +2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk> + Richard Henderson <rth@redhat.com> + + * dbxout.c (dbxout_global_decl): New. + (xcoff_debug_hooks, dbx_debug_hooks): Use it. + * sdbout.c (sdbout_finish): New. + (sdbout_debug_hooks): Use it, add comments. + (sdbout_global_decl): Defer initialized public vars to + sdbout_finish. + * varasm.c (assemble_variable): Don't output debug information + for file-scope variables. + +2001-07-22 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (get_trap_mode_suffix): New. + (get_round_mode_suffix): New. + (print_operand): Use them for [/]. Remove support for [&'`()+]. + * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update. + * config/alpha/alpha.md (attr round_suffix): New. + (attr trap_suffix): New. + (all insns): Set them appropriately. Use %/ instead of the + myriad punctuators. + +2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch. + +2001-07-22 Richard Henderson <rth@redhat.com> + + * regrename.c (regrename_optimize): Compute nregs for each + potential target register. + +2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk> + Richard Henderson <rth@redhat.com> + + * dbxout.c (dbxout_global_decl): New. + (xcoff_debug_hooks, dbx_debug_hooks): Use it. + * sdbout.c (sdbout_finish): New. + (sdbout_debug_hooks): Use it, add comments. + (sdbout_global_decl): Defer initialized public vars to + sdbout_finish. + * varasm.c (assemble_variable): Don't output debug information + for file-scope variables. + +2001-07-21 H.J. Lu (hjl@gnu.org) + + * config/mips/mips.c (mips_cpu): Moved into ... + (override_options): Here. + + * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with + mips_tune. + (mips_cpu): Removed. + +2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand. + ("iorqi3"): Likewise. + ("xorqi3"): Likewise. + ("*addhi3"): Fix constraint to avoid reloading in a soft register. + ("*subhi3_sp): Likewise. + ("*subhi3"): Likewise. + ("extendhisi2"): Accept D, X and Y as source operand to avoid + reload problems. + +2001-07-21 Nathan Sidwell <nathan@codesourcery.com> + + * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS. + * config/freebsd.h: Likewise. + * config/linux.h: Likewise. + * config/openbsd.h: Likewise. + * config/alpha/linux-elf.h: Likewise. + * config/arm/linux-elf.h: Likewise. + * config/d30v/d30v.h: Likewise. + * config/fr30/fr30.h: Likewise. + * config/ia64/aix.h: Likewise. + * config/ia64/ia64.h: Likewise. + * config/mips/linux.h: Likewise. + * config/pj/pj.h: Likewise. + * config/rs6000/linux.h: Likewise. + * config/sparc/linux.h: Likewise. + * config/sparc/linux64.h: Likewise. + +2001-07-20 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons + because getc() and char* may disagree on signedness. + +2001-07-20 Richard Henderson <rth@redhat.com> + + * doc/rtl.texi (REG_DEAD): Update for current semantics. + + * flow.c (try_redirect_by_replacing_jump): Correctly compute which + insns to delete in the presence of cc0 in a jump insn. + +Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org> + Jan Hubicka <jh@suse.cz> + + * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead + of doing the change by hand. + +Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (set_noop_p): Return true for noop jumps. + + * expr.c (emit_single_push_insn): Add call to push expander. + * expr.h (optab_index): Add OTI_push + (push_optab): New constant. + * genopinit.c (optabs): Add push_optab. + * optabs.c (init_optab): Init push optab. + * md.texi (push??1): Document + +2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an + expand to emit the pattern; put a REG_INC note for push/pop + instructions. + ("movdf", "movdf_internal"): Likewise. + ("movsi", "movsi_internal"): Likewise. + ("movsf", "movsf_internal"): Likewise. + ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions. + +2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use + gen_highpart. + +2001-07-20 Daniel Berlin <dan@cgsoftware.com> + + * params.def: Change default max inline insns to 100. + +2001-07-20 Diego Novillo <dnovillo@redhat.com> + + * combine.c (combine_simplify_rtx): Generate a new shift operation + when simplifying the first operand of a (neg (ashift)) expression. + +2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * regclass.c (N_REG_INTS): Use only 32 bits per element. + +2001-07-20 Kelley Cook <kelley.cook@home.com> + + * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug + information. Move rest into ... + (*-*-solaris): ... here. Eliminate redundant information and + reword necessary packages section. Delete 4.x assembler bug info. + (sparc-sun-*): Merge into ... + (sparc-sun-sunos*): here. + +2001-07-20 Catherine Moore <clm@redhat.com> + + * config/v850/v850.md (casesi): Generate LABEL_REF + with Pmode. + +Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (ix86_zero_extend_to_Pmode): Declare. + * i386.c (ix86_zero_extend_to_Pmode): Make global. + * i386.md (strclrsi expander): Use it. + +Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * integrate.c (copy_insn_list): handle + NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL. + (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL + identically as to CODE_LABEL. + + * fold-const (fold): Convert A/B/C to A/(B*C) and + A/(B/C) to (A/B)*C + + * except.c (connect_post_landing_pads): Delete the RESX insns. + +2001-07-20 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro. + + * config/mips/mips.md (nmadd/nmsub): Use macro. + +2001-07-20 Nathan Sidwell <nathan@codesourcery.com> + + * cppinit.c (remove_dup_dir): Make static. + (remove_dup_dirs): Make static. Only warn about preempting a + system directory with a non-system directory. + +2001-07-19 Geoffrey Keating <geoffk@redhat.com> + + * ifcvt.c (noce_try_store_flag_constants): Correct order + of parameters to trunc_int_for_mode. + +2001-07-19 Mark Mitchell <mark@codesourcery.com> + + * reorg.c (fill_simple_delay_slots): If an instruction might throw + an exception that will be caught within this function, do not fill + its delay slot with any subsequent instruction. + +2001-07-19 Steve Ellcey <sje@cup.hp.com> + + * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition. + * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized + pointer extension instruction. + * combine.c (nonzero_bits,num_sign_bit_copies) Likewise. + * simplify-rtx.c (simplify_unary_operation) Likewise. + * explow.c (convert_memory_address) Check value of + POINTERS_EXTEND_UNSIGNED to avoid some conversions when + less than zero. + * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS, + MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support. + * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES) + Add Multilib Support. + (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support. + * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES) + Add Multilib Support. + (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32 + support. + * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4. + * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle" + a 32 bit HP-UX pointer into a 64 bit HP-UX pointer. + +2001-07-19 Alexandre Oliva <aoliva@redhat.com> + + * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from + old and new operands in `<', `3' and `b'. + +2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h. + (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h. + (toplev.o): Don't depend on xcoffout.h. + * c-decl.c: Include debug.h + (duplicate_decls): Use debug hook. + * dbxout.c (dbxout_source_file, dbxout_args): Make static. + (dbx_debug_hooks, xcoff_debug_hooks): Update. + (dbxout_types): Remove. + * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove. + * debug.c (do_nothing_debug_hooks): Update. + (debug_true_tree, debug_nothing_rtx): New. + * debug.h (struct rtx_def): New. + (struct gcc_debug_hooks): New hooks ignore_block, + outlining_inline_function and label. + (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init, + dwarf2out_frame_finish): New. + * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function): + Make static, update prototype. + (dwarf2_debug_hooks): Update. + * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function, + dwarf2out_frame_init, dwarf2out_frame_finish): Remove. + * dwarfout.c (dwarf_debug_hooks): Update. + * emit-rtl.c: Include debug.h. + (remove_unnecessary_notes): Use debug hook. + * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h. + (final_scan_insn): Use debug hook. + * integrate.c (output_inline_function): Use debug hook. + * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static. + (sdb_debug_hooks): Update. + * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove. + * toplev.c: Don't include xcoffout.h. + (note_outlining_of_inline_function, debug_ignore_block): Remove. + * toplev.h (note_outlining_of_inline_function, debug_ignore_block): + Remove. + * tree.h (dwarf2out_do_frame): Remove. + +2001-07-19 Catherine Moore <clm@cygnus.com> + + * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore. + +2001-07-19 Geoffrey Keating <geoffk@redhat.com> + + * reload1.c (eliminate_regs_in_insn): When updating a set + to the frame pointer to the hardware frame pointer, perform + the update always not just when REPLACE is set. + + * reload1.c (choose_reload_regs): Don't inherit a reload + that crosses multiple registers if registers past the first + don't fit in the desired class. + + * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode + when negating constants. + +2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl> + + * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument. + * doc/tree.texi: Ditto. + +2001-07-19 Mark Kettenis <kettenis@wins.uva.nl> + Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr. + (extract_cie_info): Handle "eh" augmentation properly, + remember eh_ptr. + (struct frame_state, __frame_state_for): New. + +2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL, + HANDLE_SYSV_PRAGMA): Define. + * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline + previous args. + (copy_object): Caller changed. + +2001-07-19 Andreas Schwab <schwab@suse.de> + + * configure.in (assembler dwarf2 debug_line support): Define nop + insn for m68k. + * configure: Regenerated. + +2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on + dwarfout.h. + * dbxout.c (dbxout_function): Rename dbxout_function_decl, move + to conditionally compiled block. + (dbx_debug_hooks, xcoff_debug_hooks): Update. + * dbxout.h (dbxout_function): Remove. + * debug.c (do_nothing_debug_hooks): Update. + * debug.h (struct gcc_debug_hooks): New hooks function_decl, + global_decl, deferred_inline_function. + * dwarf2out.c (dwarf2_debug_hooks): Update. + (dwarf2out_global_decl): New. + * dwarfout.c: Don't include dwarfout.h. + (dwarfout_global_decl, dwarfout_function_decl, + dwarfout_deferred_inline_function): New. + (dwarf_debug_hooks): Update. + * dwarfout.h: Remove. + * final.c: Don't include dwarfout.h. + * sdbout.c (sdbout_global_decl): New. + (sdbout_debug_hooks): Update. + * toplev.c: Don't include dwarfout.h. + (check_global_declarations, rest_of_compilation): Use new debug hooks. + (note_deferral_of_defined_inline_function): Remove. + * toplev.h (note_deferral_of_defined_inline_function): Remove. + * ch/Makefile.in (lex.o): No dependence on dwarfout.h. + * ch/lex.c: Don't include dwarfout.h. + * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h. + (semantics.o, optimize.o): Depend on debug.h not dwarfout.h. + * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h. + * cp/optimize.c: Include debug.h. + (maybe_clone_body): Use debug hook. + * cp/semantics.c: Include debug.h. + (expand_body): Use debug hook. + * po/POTFILES.in: Remove dwarfout.h. + +2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases. + * c-parse.in (yyerror, _yylex): Similarly. + * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr): + Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough. + Update comments. + * cpplib.h (CPP_INT, CPP_FLOAT): Remove. + * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases. + +2001-07-18 Jeff Sturm <jsturm@one-point.com> + + * dwarf2out.c (dwarf2out_abstract_function): Don't emit + in-class declaration at -g1. Fixes c++/2814. + +2001-07-18 Richard Henderson <rth@redhat.com> + + * doc/md.texi (reload_in/out): Document restrictions in predicates + and constraints for these patterns. Document empty string matching + ALL_REGS. + +2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL. + +Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cse.c: Undo my previous patch. + +2001-07-18 Tom Tromey <tromey@redhat.com> + + For PR java/2812: + * configure: Rebuilt. + * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV + instead. + * aclocal.m4 (AM_ICONV): New macro from Bruno Haible. + +Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com> + Jan Hubicka <jh@suse.cz> + + * flow.c (redirect_edge_and_branch): Bail out on complex edges. + (try_optimize_cfg): Do not remove tail recursive labels before sibcall. + * jump.c (mark_jump_label): Do not forward branches. + +Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (delete_trivially_dead_insns): Delete the libcall block + when return value is unused. + +Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores. + +Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it> + + * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value + on error. We can't blindly return the result of + pthread_mutex_trylock because it returns a positive number on + error, while we must return -1 on error. + (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar + fixes. + Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>. + +2001-07-18 Andreas Jaeger <aj@suse.de> + + * integrate.c (output_inline_function): Correct type of debug_hooks. + +2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl> + + * combine.c (combine_simplify_rtx): DIV can be treated + associatively for floats if unsafe math optimisations are enabled. + +2001-07-17 Richard Henderson <rth@redhat.com> + + * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS. + +2001-07-17 Richard Henderson <rth@redhat.com> + + * calls.c (prepare_call_address): New parameter SIBCALLP. If true, + don't force the function address into a register. + (expand_call, emit_library_call_value_1): Update callers. + * builtins.c (expand_builtin_apply): Likewise. + * expr.h (prepare_call_address): Update decl. + +2001-07-17 Chandrakala Chavva <cchavva@redhat.com> + + * config.gcc: For *-*-chorusos triplet, get chorus.h file from + config directory. + * config/i386/chorus.h: Move up. + * config/sparc/chorus.h: Likewise. + * config/rs6000/chorus.h: Likewise. + * config/chorus.h: Moved here. + +2001-07-17 Andreas Schwab <schwab@suse.de> + + * configure.in (assembler eh_frame optimization): Handle big + endian. + * configure: Regenerated. + +Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (epxand_expr): Convert divisions into multiplications by + reciprocals if -ffast-math. + +2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * dbxout.c (dbxout_really_begin_function): Rename to + dbxout_begin_function. + (dbx_debug_hooks, xcoff_debug_hooks): Update. + (dbxout_begin_function): Remove. + (dbxout_function): Update. + (dbxout_source_line): Update prototype. + * dbxout.h (dbxout_begin_function): Remove. + * debug.c (do_nothing_debug_hooks): Update. + (debug_nothing_tree): Update. + (debug_nothing_charstar_rtx): Remove. + * debug.h (union tree_node): Declare. + (struct rtx_def): Remove. + (gcc_debug_hooks): New hooks begin_prologue, end_prologue, + begin_function. Change source_line prototype. + (debug_nothing_tree): New. + (debug_nothing_charstar_rtx): Delete. + (dwarf2out_begin_prologue): Moved from ... + * tree.h: ... here. + * dwarf2out.c (dwarf2_debug_hooks): Update. + (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2 + debug info, call dwarf2out_source_line. + (dwarf2out_souce_line): Update prototype. + * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue. + Change prototype, make static. + (dwarfout_source_line): Update prototype. + (dwarf_debug_hooks): Update. + * dwarfout.h (dwarfout_begin_function): Remove. + * final.c (final_start_function, final_scan_insn): Use appropriate + debug hooks, update to use notice_source_line. + (output_source_line): Rename notice_source_line. Don't call the + source_line debug hook. + * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue, + make static, update prototype. + (sdbout_mark_begin_function): Rename sdbout_begin_function, update + prototype. + (sdbout_end_prologue): New. + (sdbout_source_line): Update prototype. + (sdbout_debug_hooks): Update. + (sdbout_symbol): Remove unused var. + * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function): + Delete. + * varasm.c: Include debug.h. + (assemble_start_function): Use begin_function debug_hook. + * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function, + update with prototype. + (xcoffout_source_line): Update prototype. + * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function, + update prototype. + (xcoffout_source_line): Update prototype. + +2001-07-17 Richard Henderson <rth@redhat.com> + + * c-typeck.c (build_binary_op): Do not shorten unsigned + right shift after sign extension. + +Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Attempt to simplify + a*(b/c) as (a*b)/c for floats in unsafe_math mode. + + * simplify-rtx.c (avoid_constatn_pool_reference): New static function. + (simplify_binary_operation, simplify_unary_operation, + simplify_relational_operation): Use it. + + * combine.c (combine_simplify_rtx): Don't do associative law + on divisions; allow associative law on floats. + +2001-07-17 H.J. Lu <hjl@gnu.org> + Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and + ASM_OUTPUT_WEAK_ALIAS are defined. + * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible. + * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL): + Moved ... + * config/mips/iris5.h: ... here. + (HANDLE_SYSV_PRAGMA): Defined as 1. + * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS. + * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak + symbol. + +2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (all_prefix_attributes): New variable. + (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros. + (maybe_resetattrs): New production. + (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl, + maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl, + notype_initdcl, nested_function, notype_nested_function, + component_decl, components, components_notype, + component_declarator, component_notype_declarator, + absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl, + ivars, mydecl, myparm): Update. Avoid prefix attributes just + after a comma being applied to more than one declarator. + * doc/extend.texi (Attribute Syntax): Update. Remove + documentation of bugs that are no longer present. + +2001-07-13 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.h: Change TUNE_MIPS* options to use + mips_tune. + (EXTRA_SPECS): Add cc1_cpu_spec. + * config/mips/mips.md (muldf3): Fix typo. + +2001-07-16 Richard Henderson <rth@redhat.com> + + * config/m68k/m68k.c: Include expr.h and reload.h. + (print_operand_address) [16 bit int]: Cast INTVAL to int for %d. + [general int]: Use HOST_WIDE_INT_PRINT_DEC. + +2001-07-16 Daniel Berlin <dan@cgsoftware.com> + Richard Henderson <rth@redhat.com> + + * cse.c (set_live_p): Take INSN argument for cc0; update callers. + (insn_live_p): Fix fall off end of function. + (dead_libcall_p): Remove COUNTS argument; update callers. + (delete_trivially_dead_insns): Remove unused variables. + +2001-07-17 Andreas Jaeger <aj@suse.de> + + * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for + x86-64 pic support. + + * lcm.c (optimize_mode_switching): Avoid warning for unused + variable if !NORMAL_MODE. + + * flow.c (try_crossjump_to_edge): Remove unused variable. + +2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3 + atexit declaration in stdlib.h. + +2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au> + + * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h + +Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (CLEANUP_PRE_SIBCALL): New constant. + * except.c (finish_eh_generation): Update call of cleanup_cfg; + do rebuild_jump_labels instead of jump_optimize + * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise. + * toplev.c (rest_of_compulation): Likewise for -Wreturn_type. + * flow.c (try_optimize_cfg): Remove unneeded code_labels. + + * flow.c: Include timevar.h + (find_basic_block): Push/pop timevar; + (cleanup_cfg): Likewise. + * timevar.def (TV_CFG, TV_CLEANUP_CFG): New. + * Makefile: Add dependencies on timevar.h + + * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes. + (copy_insn_list): Avoid killing of BASIC_BLOCK notes. + + * rtl.h (delete_trivially_dead_insns): Add new parameter. + * toplev.c (rest_of_compilation): Update calls. + * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ... + (delete_trivially_dead_insns): ... here; accept new argument + preserve_basic_blocks; preserve basic blocks if set. + + * reg-stack.c (stack_regs_mentioned): Return 0 if + stack_regs_mentioned_data is not initialized. + (reg_to_stack): Make stack_regs_mentioned survive after the + reg-stack is completted; do not call cleanup_cfg. + * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder; + make cleanup_cfg after bb-reorder to output to debug file. + +2001-07-16 Richard Henderson <rth@redhat.com> + + * regclass.c (init_reg_sets): Use only 32 bits per initializer + from int_reg_class_contents. + +2001-07-16 Richard Henderson <rth@redhat.com> + + * hard-reg-set.h (regs_invalidated_by_call): Declare. + * regclass.c (regs_invalidated_by_call): Move from cse.c. + (init_reg_sets_1): Move initialization from cse_main. + * cse.c (regs_invalidated_by_call): Move to regclass.c. + (cse_main): Move its initialization also. + * df.c (df_insn_refs_record): Use regs_invalidated_by_call. + * flow.c (propagate_one_insn): Likewise. + * gcse.c (compute_hash_table): Likewise. + (compute_kill_rd, compute_store_table): Likewise. + * sched-deps.c (sched_analyze_1): Likewise. + +Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com> + + * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of + gen_rtx_SET. + +2001-07-16 Steve Ellcey <sje@cup.hp.com> + + * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests + in if statement so we don't access undefined memory. + +2001-07-16 Daniel Berlin <dan@cgsoftware.com> + + * gcse.c: Update comment at top. + Update comment on mem handling. + mem_last_set, mem_first_set, mem_set_in_block: gone. + Declaration of reg_set_info: gone. + (oprs_unchanged_p): Don't use mem_*set_* anymore. They are + pointless with load_killed_in_block_p (they are *more* + conservative then it, not less, and less accurate). + (oprs_not_set_p): Ditto. + (alloc_gcse_mem): Don't allocate mem_set_in_block + (free_gcse_mem): Don't free it, either. + (record_last_mem_set_info): Update comment in front, remove + mem_*set_* stuff. Note the reason we don't handle stores directly + here. + (compute_hash_table): Update comments to reflect reality. Remove + mem_*set_* references. + (reset_opr_set_tables): Remove mem_*set_* references. + (mark_call): Ditto. + (mark_set): Ditto. Also remove double sets of bitmaps for REG's. + (mark_clobber): Ditto (on both parts, we double set here too). + (expr_killed_p): Remove mem_set_in_block test. + (compute_transp): Remove mem_set_in_block test. + + * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal + of edge, and removal of phi alternative to dump file. + (ssa_ccp_substitute_constants): Add note about register now being + constant, and which uses were replaced in what insns to dump file. + +2001-07-16 Andreas Jaeger <aj@suse.de> + + * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output + variables of type HOST_WIDEST_INT. + + * libgcc2.c (__bb_exit_func): Handle gcov_type as long long. + (__bb_exit_func): Correct type of count_max to avoid overflow. + (num_digits): Handle long long argument. + + * combine.c (gen_lowpart_for_combine): Remove unused variable. + +2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * output.h (sdb_begin_function_line): Restore as an extern + variable. + * sdbout.c (sdb_begin_function_line): Make extern. + +2001-07-15 Richard Henderson <rth@redhat.com> + + * machmode.def (Pmode): Redefine if GENERATOR_FILE. + * genrecog.c (maybe_both_true_mode): New. + (maybe_both_true_2): Use it. + (write_switch): Don't put Pmode in a switch. + * rtl.c (mode arrays): Don't explicitly size them. + +Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Fix register_life_up_to_date + handling; move unconditional splitting before mode switching. + + * i386.md (type): Add fistp type. + (i387, length_attr, scheduling definitions): Handle this type. + (fix_trunc?f?i2): Revamp to use mode switching. + (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns. + * i386.h (fp_cw_mode): New enum + (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED, + MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros. + +Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * Makefile.in (integrate.o): Add debug.h. + * integrate.c (debug.h): Add. + (output_inline_function): Save, reset, and restore debug_hooks. + +2001-07-15 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode + instead of COMPARE for the EQUIV expression. + +2001-07-15 Richard Henderson <rth@redhat.com> + + * flow.c (redirect_edge_and_branch_force): Initialize + global_live_at_start and global_live_at_end. + (allocate_bb_life_data): Export. + * basic-block.h (allocate_bb_life_data): Declare. + * toplev.c (rest_of_compilation): Call it. + +2001-07-15 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_tablejump_addr_vec): New. + (alpha_tablejump_best_label): New. + * config/alpha/alpha-protos.h: Declare them. + * config/alpha/alpha.md: Use braced strings for code blocks. + (tablejump_osf): Break out add with r29. + (tablejump_osf_internal): Remove. + (tablejump_osf_nt_internal): Rename from tablejump_nt_internal, + use alpha_tablejump_addr_vec and alpha_tablejump_best_label. + +Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz> + + * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies + of the movable. + + * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching. + + * i386-protos.h (ix86_split_fp_branch): Update prototype. + (ix86_fp_jump_nontrivial_p): New. + * i386.md (fp_jcc_?): Update call of split_fp_branch; + use ix86_fp_jump_nontrivial_p. + * i386.c (ix86_fp_jump_nontrivial_p): New. + (ix86_split_fp_branch): Accept code instead of rtx. + (ix86_expand_compare): Expand comparison early in case + doing so is resonably cheap. + +2001-07-15 Nick Clifton <nickc@cambridge.redhat.com> + + * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian' + not 'machine'. + (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'. + (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'. + +2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * dbxout.c (dbxout_source_line): Make static, update prototype. + (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks. + (dbxout_init, dbxout_finish, dbxout_source_line, + dbxout_begin_block, dbxout_end_block): Update for new prototypes. + * dbxout.h (dbxout_source_line): Delete. + * debug.c (debug_nothing_file, debug_nothing_file_int, + debug_nothing_file_charstar_rtx): New. + (do_nothing_debug_hooks): Update. + (debug_nothing_void, debug_nothing_charstar_rtx, + dwarf2out_end_epilogue): New. + (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename. + * debug.h (struct rtx_def): Declare. + (gcc_debug_hooks): New hooks source_line, end_epilogue + and end_function. + (debug_nothing_void, debug_nothing_charstar_rtx, + dwarf2out_end_epilogue): New. + (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename. + * dwarf2out.c (dwarf2out_source_line): Make static, update prototype. + (dwarf2_debug_hooks): Update. + (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line, + dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes. + * dwarf2out.h (dwarf2out_source_line): Remove. + * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function): + Make static, update prototype. + (dwarfout_init, dwarfout_finish, dwarfout_source_line, + dwarfout_begin_block, dwarfout_end_block): Update for new prototypes. + (dwarf_debug_hooks): Update. + * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line, + dwarfout_end_function): Remove. + * final.c (profile_function): Use debug hooks for ending functions + and epilogues. + (output_source_line, final_end_function): Update prototype, + use debug hooks. + (final_start_function, final_scan_insn): Update. + * output.h (sdb_begin_function_line): Remove. + (final_end_function): Update prototype. + * sdbout.c (sdb_begin_function_line): Make static. + (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue. + (sdbout_source_line): New. + (sdbout_end_epilogue, sdbout_end_function): Make static, update + prototypes. + (sdb_debug_hooks): Update. + (sdbout_init, sdbout_source_line, + sdbout_begin_block, sdbout_end_block): Update for new prototypes. + * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove. + * toplev.c (compile_file, rest_of_compilation): Update. + * tree.h (dwarf2out_end_epilogue): Move to debug.h. + * xcoffout.c (xcoffout_source_line, xcoffout_begin_block, + xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function): + Update for prototype changes. + * xcoffout.h (xcoffout_source_line, xcoffout_begin_block, + xcoffout_end_block, xcoffout_end_epilogue): Update prototypes. + +2001-07-15 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (TARGET_ABI_OSF): New. + (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users. + * config/alpha/alpha-protos.h: Update TARGET_ABI_* users. + * config/alpha/alpha.c: Likewise. + * config/alpha/alpha.md: Likewise. + * config/alpha/alpha32.h: Likewise. + * config/alpha/vms.h: Likewise. + (OPEN_VMS): Remove. + +2001-07-14 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md: Use define_constants for unspec values. + Substitute throughout. + +2001-07-14 Tim Josling <tej@melbpc.org.au> + + * tree.def (EXPON_EXPR) remove. Never supported anyway. + +2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md: Remove unused constraints from define_split's. + +2001-04-14 Richard Henderson <rth@redhat.com> + + * ifcvt.c (find_cond_trap): Test for exit block. + +Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz> + + Re-install recently reverted patch. + * emit-rtl.c (try_split): Update mark_jump_label call. + * flow.c (find_sub_basic_blocks): Likewise. + * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump, + jump_back_p): Kill. + (mark_all_labels): Kill second parameter. + (jump_optimize, jump_optimize_1): Kill cross_jump parameter. + (rebuild_jump_labels, jump_optimize_minimal): Update call + of jump_optimize_1. + (jump_optimize_1): Kill crossjumping code. + (mark_jump_label): Kill cross_jump parameter. + * rtl.h (mark_jump_label, jump_optimize): Update prototypes. + (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill. + * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do + splitting. + * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before + DFI_bpro. + (dump_file_info): Likewise. + (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass; + reorganize passes to do reg-stack first, bb-reorder second. + * invoke.texi (-d letters doc): Remove the jump2 pass. + +2001-07-14 Richard Henderson <rth@redhat.com> + + * ifcvt.c (find_cond_trap): New. + (find_if_header): Call it. + (merge_if_block): Relax existing jump sanity check. + * jump.c (jump_optimize_1): Remove conditional trap handling. + +2001-07-14 Alan Modra <amodra@bigpond.net.au> + + * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit + millicode. + (insn_refs_are_delayed): Correct comment. + * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise. + * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2 + instead of r31. Make associated insn !TARGET_64BIT, and + provide an additional 64-bit insn that clobbers r2. + (divsi3): Likewise. + (udivsi3): Likewise. + (modsi3): Likewise. + (umodsi3): Likewise. + +Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz> + + * bb-reorder.c (skip_insn_after_block): Get past the line number notes. + + * flow.c (redirect_edge_and_branch_force, split_edge, + try_crossjump_to_edge): Use set_block_for_new_insns. + * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns. + +2001-07-13 H.J. Lu (hjl@gnu.org) + + * config/elfos.h (UNIQUE_SECTION): Enable .bss section with + the correct patch. + +2001-07-13 Geoffrey Keating <geoffk@redhat.com> + + Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13. + +2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (decl_attributes): Take a pointer to the node to + which attributes are to be attached, and a flags argument. + * c-common.h (enum attribute_flags): New. + (decl_attributes): Update prototype. + * c-decl.c (start_decl, push_parm_decl, finish_struct, + finish_enum, start_function): Update calls to decl_attributes. + * c-parse.in (component_declarator, component_notype_declarator, + label): Update calls to decl_attributes. + +Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.md (strlenhi): PARALLEL keyword removed. + * config/avr/avr.c (legitimate_address_p): Return value changed + from letter to register classes. For better debugging. + +2001-07-13 Kazu Hirata <kazu@hxi.com> + + * jump.c (reversed_comparison_code_parts): Fix comment typos. + +2001-07-13 H.J. Lu (hjl@gnu.org) + + * config/elfos.h (UNIQUE_SECTION): Enable .bss section. + +2001-07-13 Marc Espie <espie@cvs.openbsd.org> + + * config.gcc (*-*-openbsd*): Add fragment to compile libgcc + correctly for shared configurations. + * config/t-libgcc-pic: New. + * config/{i386,m68k,sparc}/t-openbsd: New. + * config/openbsd.h: Include cpu_spec in cpp_spec where needed. + Support -shared. Support debugging libraries with -g. + * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2 + frame information does not emit pointer diffs. + * config/sparc/openbsd.h: Ensure dwarf2 frame information does not + emit pointer diffs. + +2001-07-13 Geoffrey Keating <geoffk@redhat.com> + + Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001. + +2001-07-13 David Edelsohn <edelsohn@gnu.org> + + * combine.c (try_combine): Ensure const_int pow2 is positive. + +2001-07-13 Hartmut Penner <hpenner@de.ibm.com> + + * config.gcc: Add configuration for s/390. + * config/s390/s390.c: New. Subroutines for code generation. + * config/s390/s390.h: New. Definitions for s/390. + * config/s390/s390-protos.h: New. Prototypes. + * config/s390/linux.h: New. Definitions for linux for s/390. + * config/s390/linux64.h: New. Definitions for linux for zSeries. + * config/s390/t-linux: New. Makefile fragment. + * config/s390/s390.md: New. Machine description for s/390 and zSeries. + * config/s390/fixdfdi.h: New. Fix L_fix*di. + +Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (try_split): Update mark_jump_label call. + * flow.c (find_sub_basic_blocks): Likewise. + * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump, + jump_back_p): Kill. + (mark_all_labels): Kill second parameter. + (jump_optimize, jump_optimize_1): Kill cross_jump parameter. + (rebuild_jump_labels, jump_optimize_minimal): Update call + of jump_optimize_1. + (jump_optimize_1): Kill crossjumping code. + (mark_jump_label): Kill cross_jump parameter. + * rtl.h (mark_jump_label, jump_optimize): Update prototypes. + (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill. + * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do + splitting. + * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before + DFI_bpro. + (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass; + reorganize passes to do reg-stack first, bb-reorder second. + * invoke.texi (-d letters doc): Remove the jump2 pass. + +2001-07-12 Steve Ellcey <sje@cup.hp.com> + + * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef. + +Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_optimize_cfg): Delete whole chain of trivially dead + basic blocks. + (verify_flow_info): Make diagnostics prettier. + +Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (find_basic_blocks_1): Do not emit NOP after call. + + * flow.c (outgoing_edges_match): Return early if condition reversal + failed. + +2001-07-06 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (print_operand): Extend '%D' to memory operands. + (mips_move_2words): When splitting a move into two instructions, + prefix the second address operand with '%D'. + +2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (final.o): Depend on debug.h. + * dbxout.c (dbxout_begin_block, dbxout_end_block): New. + (dbx_debug_hooks): Add new hooks. + (xcoff_debug_hooks): New. + * debug.c (debug_nothing_file_int_int): New. + (do_nothing_debug_hooks): Update. + * debug.h (gcc_debug_hooks): New hooks begin_block and end_block. + (debug_nothing_file_int_int): New. + * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make + static, update prototype. + (dwarf2_debug_hooks): Update. + * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove. + * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make + static, update prototype. + (dwarf_debug_hooks): Update. + * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove. + * final.c: Include debug.h. + (final_scan_insn): Use debug hooks when beginning and ending blocks. + * sdbout.c (sdbout_begin_block, sdbout_end_block): Make + static, update prototype. + (sdb_debug_hooks): Update. + * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove. + * toplev.c: Distinguish between xcoff and dbx. + + * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_): + Call all debug hooks, not just dwarf ones. + +2001-07-11 Timothy Wall <twall@redhat.com> + + * config.gcc: Add configuration for AIX5/IA64. + * config/ia64/aix.h: New. AIX5/IA64-specific configuration. + * config/ia64/crt[in].asm: New. Generic static ctor/dtor + support prefix/suffix code. + * config/ia64/t-aix: New. Makefile fragment. + * config/ia64/unwind-aix.c: New. Unwind table entry lookup. + +2001-07-11 Kazu Hirata <kazu@hxi.com> + + * recog.c (validate_change): Fix a comment typo. + +2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h. + * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug + hooks directly. + * dbxout.c (dbx_debug_hooks): Add new hooks. + (dbxout_start_new_source_file): Rename dbxout_start_source_file, + make static. + (dbxout_resume_previous_source_file): Rename dbxout_end_source_file, + make static. + * dbxout.h (dbxout_start_new_source_file, + dbxout_resume_previous_source_file): Delete. + * debug.c (do_nothing_debug_hooks): Add new hooks. + (debug_nothing_init_finish): Rename debug_nothing_file_charstar. + (debug_nothing_int_charstar, debug_nothing_int): New. + * debug.h (gcc_debug_hooks): New hooks define, undef, + start_source_file and end_source_file. + (debug_nothing_init_finish): Rename debug_nothing_file_charstar. + (debug_nothing_int_charstar, debug_nothing_int): New. + * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into + the conditionally compiled section. + (dwarf2out_start_source_file, dwarf2out_end_source_file, + dwarf2out_define, dwarf2out_undef): Make static. + * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file, + dwarf2out_define, dwarf2out_undef): Remove. + * dwarfout.c (dwarf_debug_hooks): Add new hooks. + (dwarfout_start_source_file, dwarfout_end_source_file, + dwarfout_define, dwarfout_undef): Make static. + (dwarfout_start_source_file_check, + dwarfout_end_source_file_check): New. + (dwarfout_define, dwarfout_finish): Update. + * dwarfout.h (dwarfout_start_new_source_file, + dwarfout_resume_previous_source_file, dwarfout_define, + dwarfout_undef): Remove. + * sdbout.c (sdb_debug_hooks): Add new hooks. + (sdbout_start_new_source_file): Rename sdbout_start_source_file, + make static. + (sdbout_resume_previous_source_file): Rename sdbout_end_source_file, + make static, take an arg. + * sdbout.h (sdbout_start_new_source_file, + sdbout_resume_previous_source_file): Delete. + * toplev.c (debug_start_source_file, debug_end_source_file, + debug_define, debug_undef): Delete. + * toplev.h (debug_start_source_file, debug_end_source_file, + debug_define, debug_undef): Delete. + + * java/jcf-parse.c: Include debug.h. + (parse_class_file): Update to use debug hooks directly. + * java/Make-lang.in (jcf-parse.o): Depend on debug.h. + +Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (set_mem_alias_set): New function. + * rtl.h (set_mem_alias_set): Declare it. + * builtins.c (expand_builtin_return_addr): Call it instead of + using MEM_ALIAS_SET accessor. + (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise. + (get_memory_rtx, expand_builtin_va_arg): Likewise. + (expand_builtin_va_copy):Likewise. + * caller-save.c (setup_save_areas): Likewise. + * calls.c (compute_argument_addresses): Likewise. + * explow.c (set_mem_attributes): Likewise. + * expr.c (emit_single_push_insn, emit_push_insn): Likewise. + (expand_assignment, store_constructor_field, store_field): Likewise. + (expand_expr_unaligned): Likewise. + * function.c (assign_stack_temp_for_type): Likewise. + (put_reg_into_stack, gen_mem_addressof): Likewise. + * ifcvt.c (noce_try_cmove_arith): Likewise. + * reload1.c (reload, alter_reg): Likewise. + * config/alpha/alpha.c (get_aligned_mem): Likewise. + (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise. + (alpha_expand_unaligned_store): Likewise + (alpha_expand_unaligned_load_words): Likewise. + (alpha_expand_unaligned_store_words): Likewise. + (alpha_expand_block_clear, alpha_expand_prologue): Likewise. + (alpha_expand_epilogue): Likewise. + * config/arc/arc.c (arc_setup_incoming_varargs): Likewise. + * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise. + * config/i386/i386.c (legitimize_pic_address): Likewise. + * config/i960/i960.c (setup_incoming_varargs): Likewise. + * config/ia64/ia64.c (spill_restore_mem): Likewise. + * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise. + * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise. + * config/mips/mips.c (mips_va_arg): Likewise. + * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise. + * config/pa/pa.c (hppa_builtin_saveregs): Likewise. + * config/rs6000/rs6000.c (rs6000_emit_move): Likewise. + (setup_incoming_varargs, rs6000_va_arg): Likewise. + (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise. + (rs6000_emit_epilogue): Likewise. + * config/sh/sh.c (sh_builtin_saveregs): Likewise. + * config/sparc/sparc.c (sparc_va_arg): Likewise. + * config/v850/v850.c (v850_va_arg): Likewise. + +Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (merge_blocks_move_successor_nojumps): Do not crash + when fallthru edge is present. + (mege_blocks): Handle case where creation of jump insn + is required. + + * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP, + CLEANUP_POST_REGSTACK): New constants. + * except.c (finish_eh_generation): Update call of cleanup_cfg, + * jump.c (rtx_renumbered_equal_p): Handle 't' fields. + * output.h (cleanup_cfg): Update prototype. + * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize + * sibcall.c (optimize_sibling_and_tail_recursive_call): Update + cleanup_cfg call; kill missleading comment. + * toplev.c (rest_of_compilation): Update all cleanup_cfg calls. + * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode + parameter; control optimizations performed using it. + (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge, + try_crossjump_bb): New functions. + +2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (pa_output_function_prologue): Delete prototype. Make function + extern. + * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to + pa_output_function_prologue. + * pa-protos.h (pa_output_function_prologue): New prototype. + +2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * stmt.c (emit_case_nodes): Widen high and low instead of new_bound + and low to get correct sign extension in low+high test. + +2001-07-11 Janis Johnson <janis@us.ibm.com> + + * gcov.c (arcdata): Use gcov_type to fix branch percentage + for large hit count. + + * profile.c (branch_prob): Fix .bbg info for computed gotos + and C++ EH code. + +2001-07-11 Mark Mitchell <mark@codesourcery.com> + + * stmt.c (parse_output_constraint): New function, split out + from ... + (expand_asm_operands): ... here. Use parse_output_constraint. + * tree.h (parse_output_constraint): Declare it. + +2001-07-11 Richard Henderson <rth@redhat.com> + + * bitmap.c: Comment some functions; fiddle whitespace. + (bitmap_free): Don't export. + (bitmap_element_allocate): Use memset. + * bitmap.h (bitmap_free): Don't declare. + +2001-07-11 Daniel Berlin <dan@cgsoftware.com> + + * gcse.c, lcm.c, sched-deps.c: + s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g + + * flow.c (flow_loops_find): Free dom if we found no loops, since + we aren't going to save it. + + * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are + done. + +Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com) + + * ssa-ccp.c (ssa_fast_dce): Free worklist when completed. + +Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version + #ifndef DWARF2_DEBUGGING_INFO. + +2001-07-11 Richard Sandiford <rsandifo@redhat.com> + + * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes. + +2001-07-11 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (gen_int_relational): Tell the caller not to + reverse a branch if a NE comparison is implemented with GTU. + +2001-07-11 Richard Sandiford <rsandifo@redhat.com> + H.J. Lu <hjl@gnu.org> + + * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for + constant addresses. + (call_internal2): Likewise. + (call_value_internal1): Likewise. + (call_value_internal2): Likewise. + (call_value_multiple_internal1): Likewise. + (call_value_multiple_internal2): Likewise. + +2001-07-10 Kazu Hirata <kazu@hxi.com> + + * calls.c (emit_library_call_value_1): Fix a comment typo. + * dwarf2out.c (mem_loc_descriptor): Likewise. + * config/i386/i386.c (ix86_expand_aligntest): Likewise. + +2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com> + + * simplify-rtx.c (simplify_subreg): Fix typo in comment + +Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * recog.c (offsettable_address_p): Handle LO_SUM case. + * config/mips/mips.c (double_memory_operand): Use adjust_address_nv + instead of plus_constant. + +2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge, + fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS. + +Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use + adjust_address_nv instead of plus_constant. + +2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o, + dwarf2out.o): Depend on debug.h, wrap long lines. + * dbxout.c: Include debug.h. + (dbx_debug_hooks): New. + (dbxout_init): Make static, take just 2 args. + (dbxout_finish): Make static. + * dbxout.h (dbxout_init, dbxout_finish): Delete. + * debug.c: New file. + * debug.h: New file. + * dwarf2out.c: Include debug.h. + (dwarf2_debug_hooks): New. + (dwarf2out_init): Make static. + (dwarf2out_finish): Make static, take 2 args. + * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete. + * dwarfout.c: Include debug.h. + (dwarf_debug_hooks): New. + (dwarfout_init): Make static. + (dwarfout_finish): Make static, take 2 args. + * dwarfout.h (dwarfout_init, dwarfout_finish): Delete. + * sdbout.c: Include debug.h. + (sdb_debug_hooks): New. + (sdbout_init): Make static, take 2 args. + * sdbout.h (sdbout_init): Delete. + * toplev.c: Include debug.h. + (debug_hooks): New. + (compile_file): Set deubg_hooks based on command line options. + Use the hooks unconditionally rather than conditional compilation. + +Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com) + + * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to + first_insn_after_basic_block_note instead. + + * df.c (df_bb_refs_unlink): #if 0 out for now. + +2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com + + * ssa.h: Add prototype for ssa_const_prop + * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references + (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison + (ssa_fast_dce): Remove unused variable + +2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (finish_diagnostic): Rename to + diagnostic_finish. Make it take an 'output_buffer *'. Adjust + calls thourghout. + +2001-07-10 Jason Merrill <jason_merrill@redhat.com> + + * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have + .loc support. + + * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses. + (dump_file): Only pad the demangled name with spaces if the + mangled name was padded with spaces. + +2001-07-10 Bernd Schmidt <bernds@redhat.com> + + * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru + edge detection. + +Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield + extraction if no direct load if either EXPAND_CONST_ADDRESS or + EXPAND_INITIALIZER. + + * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for + whether can put offset inside LO_SUM to check mode alignment, not size. + +2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * doc/tm.texi (Misc): Fix thinko. + +2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl> + + * regmove.c (replace_in_call_usage): Fix warnings. + * sched-deps.c (add_dependence): Fix warnings. + * simplify-rtx.c (simplify_subreg): Likewise. + Return NULL_RTX instead of NULL. + + * reg-stack.c (emit_swap_insn): Eliminate warnings. + (subst_asm_stack_regs): Likewise. + + * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid + warnings. + + * dwarf2out.c (output_call_frame_info): Declare i as int. + (build_abbrev_table): Declare n_alloc as int. + (dwarf2out_finish): Initialize die. + * except.c: Declare sjlj_funcdef_number as unsigned. + (connect_post_landing_pads): Declare j as unsigned. + (convert_to_eh_region_ranges): Initialize call_site. + (output_function_exception_table): Initialize tt_format_size. + * expr.c (move_by_pieces_1): Initialize to1. + (store_constructor): Initialize minelt and maxelt. + * flow.c (mark_regs_live_at_end): Declare i as unsigned. + * function.c (instantiate_decls): Avoid signed/unsigned warning. + + * c-decl.c (combine_parm_decls): Unused, remove. + * c-tree.h: Remove prototype for combine_parm_decls. + + * reload.c (push_reload): Fix warning. + (regno_clobbered_p): Likewise. + * reload1.c (replace_pseudos_in_call_usage): Likewise. + (reload_combine): Likewise. + + * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings. + * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix + warnings. + * bitmap.c (bitmap_operation): Change user. + * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise. + +2001-07-10 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.c (override_options): Fix typo. + +2001-07-09 Stan Shebs <shebs@apple.com> + + * target.h (struct gcc_target): New fields init_builtins and + expand_builtin. + * target-def.h (TARGET_INIT_BUILTINS): New macro. + (TARGET_EXPAND_BUILTIN): New macro. + (TARGET_INITIALIZER): Add them. + * builtins.c: Include target.h. + (expand_builtin): Use targetm.expand_builtin. + (default_init_builtins): New function. + (default_expand_builtin): New function. + * expr.h (default_init_builtins): Declare. + (default_expand_builtin): Declare. + * c-common.c (c_common_nodes_and_builtins): Use + targetm.init_builtins. + * defaults.h (MD_INIT_BUILTINS): Remove. + * Makefile.in (builtins.o): Depend on target.h. + + * config/arm/arm.c (TARGET_INIT_BUILTINS): Define. + (TARGET_EXPAND_BUILTIN): Define. + * config/arm/arm.h (MD_INIT_BUILTINS): Remove. + (MD_EXPAND_BUILTIN): Remove. + + * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define. + (TARGET_EXPAND_BUILTIN): Define. + (c4x_init_builtins): Make endlink arg a local. + (c4x_print_operand): Fix typos in adjust_address usages. + * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl. + * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove. + (MD_EXPAND_BUILTIN): Remove. + + * config/i386/i386.c (TARGET_INIT_BUILTINS): Define. + (TARGET_EXPAND_BUILTIN): Define. + (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins. + (ix86_init_builtins): Call new function only if TARGET_MMX. + * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare. + * config/i386/i386.h (MD_INIT_BUILTINS): Remove. + (MD_EXPAND_BUILTIN): Remove. + + * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define. + (TARGET_EXPAND_BUILTIN): Define. + * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove. + (MD_EXPAND_BUILTIN): Remove. + + * doc/tm.texi: Document these changes. + +2001-07-09 Diego Novillo <dnovillo@redhat.com> + + * basic-block.h (tree_node): Forward declare if needed. + (struct basic_block_def): Add fields 'head_tree' and 'end_tree'. + (BLOCK_HEAD_TREE): Define. + (BLOCK_END_TREE): Define. + (struct loops): Rename field 'tree' to 'tree_root'. + * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and + 'end_tree'. + (flow_loops_tree_build): Rename reference to field 'tree' to + 'tree_root'. + (flow_loops_level_compute): Ditto. + * predict.c (estimate_bb_frequencies): Ditto. + * tree.h (struct tree_common): Add field 'aux'. + +2001-07-09 Stan Shebs <shebs@apple.com> + + * config/darwin.c (darwin_encode_section_info): Don't mark any + DECL_EXTERNAL node as defined. + +2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (pa_init_machine_status, pa_mark_machine_status, + pa_free_machine_status, hppa_init_pic_save): Delete. + (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val. + (hppa_profile_hook): Use hppa_pic_save_rtx. + * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX, + hppa_init_pic_save): Delete. + (hppa_pic_save_rtx): Declare. + * pa.md (call, call_value, sibcall, sibcall_value, + builtin_setjmp_receiver): Use hppa_pic_save_rtx. + +2001-07-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi. + * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise. + +2001-07-09 Andreas Jaeger <aj@suse.de> + + * output.h: Add declaration of final_forward_branch_p. + + * config/i386/i386.c (output_fix_trunc): Remove unused variable. + + * varray.c: Include errors.h for internal_error and trim_filename + declarations. + + * Makefile.in (varray.o): Add errors.h. + +2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl> + + * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn. + * optabs.c (have_add2_insn): Check whether the add insn chosen + really accepts the operands. (have_sub2_insn): Ditto for sub insn. + * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn. + +Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (OBJS): Add ssa-ccp.o + (ssa-ccp.o): Add dependencies. + * toplev.c (DFI_ssa_ccp): New dump file enum. + (dump_file): Add entry for dumping after SSA CCP. + (flag_ssa_ccp): New flag variable. + (f_options): Add -fssa-ccp. + (rest_of_compilation): Run SSA CCP if requested. + * timevar.def (TV_SSA_CCP): New timevar. + * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes. + * doc/gcc.texi (Passes): Add documentation for SSA CCP pass. + Fix minor typo in SSA DCE documentation. + * doc/invoke.texi: Add documentation for new flag -fssa-ccp. + Add documentation for new dump option. Renumber dump files + appropriately. + +Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (gen_highpart_mode): New. + * rtl.h (gen_highpart_mode): Declare. + * sparc.md (insn splitters): Use gen_highpart_mode, whenever the + operand can be VOIDmode constant. + +Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (redirect_edge_and_branch_force): New. + (can_fallthru): Ensure that basic blocks are succeeding. + (try_optimize_cfg): Do not delete basic block if it is the last one. + + * flow.c (try_redirect_by_replacing_jump): Do not remove + jumps with side effects, unlink chain on fallthru edge; + set block for new jump instruction; avoid basic block to + over by line number note. + + * flow.c (try_simplify_condjump): Verify that the condjump + is not always falling through. + + Re-install patch: + * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter. + + * flow.c (forwarder_block_p): Fix for fallthru blocks. + (try_redirect_by_replacing_jump): Update properly the count + and frequency information. + +Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (adjust_address, adjust_address_nv): Handle an + address that is a LO_SUM specially. + * explow.c (plus_constant_wide, case LO_SUM): Deleted. + + * c-lang.c (start_cdtor): Remove extra parameter from start_function. + + * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns. + (operand_subword): Use them. + (change_address_1): Renamed from change_address; new arg VALIDATE. + * expr.h: Reflect above changes; change_address now macro. + * alias.c (canon_rtx): Use replace_equiv_address_nv instead of + making MEM. + * cselib.c (add_mem_for_addr): Likewise. + * expr.c (protect_from_queue, emit_move_insn_1): Likewise. + * regmove.c (try_apply_stack_adjustment): Likewise. + * reload.c (push_reload, make_memloc): Likewise. + * reload1.c (eliminate_regs): Likewise. + * simplify-rtx.c (simplify_replace_rtx): Likewise. + * caller-save.c (setup_save_areas): Use adjust_address_nv instead of + adjust_addess. + * combine.c (make_extraction, simplify_shift_const): Likewise. + (gen_lowpart_for_combine): Likewise. + * cse.c (gen_lowpart_if_possible): Likewise. + * function.c (fixup_var_refs_1, purge_addressof_1): Likewise. + * expr.c (expand_expr, case COMPONENT_REF): Likewise. + * optabs.c (gen_move_insn): Likewise. + * reload1.c (alter_reg): Likewise. + * simplify-rtx.c (simplify_subreg): Likewise. + * stmt.c (expand_anon_union_decl): Likewise. + * recog.c (validate_replace_rtx_1): Likewise. + (expr.h): Include. + * Makefile.in (recog.o): Add $(EXPR_H). + * explow.c (stabilize): Call replace_equiv_address. + * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise. + * final.c (alter_subreg): OFFSET is HOST_WIDE_INT. + +2001-07-03 Andrew Haley <aph@redhat.com> + + * expmed.c (store_fixed_bit_field): Don't use a mode bigger than + the mode of the memory location. + +2001-07-09 Bo Thorsen <bo@suse.co.uk> + + * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support. + +2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * final.c (output_addr_const): Use target opening and + closing parentheses. + * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN + defaults, add to TARGET_ASM_OUT. + * target.h (struct gcc_target): Add open_paren and close_paren. + * doc/md.texi: Update. + * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE, + TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and + TARGET_ASM_CLOSE_PAREN. + * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN): + Override. + * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN): + Override. + * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove. + * config/a29k/a29k.h: Similarly. + * config/alpha/alpha.h: Similarly. + * config/arc/arc.h: Similarly. + * config/arm/aof.h: Similarly. + * config/arm/aout.h: Similarly. + * config/avr/avr.h: Similarly. + * config/c4x/c4x.h: Similarly. + * config/clipper/clipper.h: Similarly. + * config/convex/convex.h: Similarly. + * config/d30v/d30v.h: Similarly. + * config/dsp16xx/dsp16xx.h: Similarly. + * config/elxsi/elxsi.h: Similarly. + * config/fr30/fr30.h: Similarly. + * config/h8300/h8300.h: Similarly. + * config/i370/i370.h: Similarly. + * config/i386/i386.h: Similarly. + * config/i860/i860.h: Similarly. + * config/i960/i960.h: Similarly. + * config/ia64/ia64.h: Similarly. + * config/m32r/m32r.h: Similarly. + * config/m68hc11/m68hc11.h: Similarly. + * config/m68k/m68k.h: Similarly. + * config/m88k/m88k.h: Similarly. + * config/mcore/mcore.h: Similarly. + * config/mips/mips.h: Similarly. + * config/mn10200/mn10200.h: Similarly. + * config/mn10300/mn10300.h: Similarly. + * config/ns32k/ns32k.h: Similarly. + * config/pa/pa.h: Similarly. + * config/pdp11/pdp11.h: Similarly. + * config/pj/pj.h: Similarly. + * config/romp/romp.h: Similarly. + * config/rs6000/rs6000.h: Similarly. + * config/sh/sh.h: Similarly. + * config/sparc/sparc.h: Similarly. + * config/v850/v850.h: Similarly. + * config/vax/vax.h: Similarly. + * config/we32k/we32k.h: Similarly. + +2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi: Document representation of attributes. + +2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/tm.texi: Update some places for the rename of target to + targetm. Fix typo. + +2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * target.h (struct gcc_target): Add insert_attributes. + * target-def.h (TARGET_INSERT_ATTRIBUTES): Define. + (TARGET_INITIALIZER): Update. + * tree.c, tree.h (default_insert_attributes): New function. + Update comments on other default functions to refer to targetm, + not target. + * doc/tm.texi (INSERT_ATTRIBUTES): Update to document + TARGET_INSERT_ATTRIBUTES. + (SET_DEFAULT_DECL_ATTRIBUTES): Remove. + * c-common.c (decl_attributes): Use targetm.insert_attributes. + Don't use PRAGMA_INSERT_ATTRIBUTES. + * Makefile.in (c-common.o): Depend on $(TARGET_H). + * c-decl.c (start_decl, start_function): Don't call + SET_DEFAULT_DECL_ATTRIBUTES. + * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define. + * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't + declare. + * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define. + (c4x_check_attribute): Avoid modifying attribute list itself. + (c4x_set_default_attributes): Rename to c4x_insert_attributes. + Make static. + * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define. + * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't + declare. + * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define. + (sh_pragma_insert_attributes): Rename to sh_insert_attributes. + Make static. + * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define. + * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't + declare. + * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define. + (v850_set_default_decl_attr): Rename to v850_insert_attributes. + Adjust parameters. Make static. + +2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (decl_attributes): Only take a single attributes + parameter. + * c-common.h (decl_attributes): Update prototype. + * c-decl.c (start_decl, start_function): Only take a single + attributes parameter. Update calls to decl_attributes. + (finish_struct, finish_enum): Update calls to decl_attributes. + (push_parm_decl): Expect unified list of attributes. Update call + to decl_attributes. + * c-parse.in (fndef, initdcl, notype_initdcl, nested_function, + notype_nested_function, component_declarator, + component_notype_declarator, label): Update calls to + decl_attributes. + (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute + lists that are passed to push_parm_decl. + * c-tree.h (start_function, start_decl): Update prototypes. + * config/sh/sh-protos.h, config/sh/sh.c + (sh_pragma_insert_attributes): Only take a single attributes + parameter. + * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise. + * doc/tm.texi (INSERT_ATTRIBUTES): Update. + * objc/objc-act.c (define_decl, generate_objc_symtab_decl, + build_module_descriptor, generate_static_references, + generate_strings, build_selector_translation_table, + generate_descriptor_table, generate_protocols, + generate_ivars_list, generate_dispatch_table, + generate_protocol_list, generate_category, + generate_shared_structures, really_start_method, add_objc_decls, + generate_classref_translation_entry): Update calls to start_decl + and start_function. + (build_tmp_function_decl, start_method_def): Unify attribute lists + that are passed to push_parm_decl. + +2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * final.c (no_asm_to_stream): New. + (final_scan_insn): Use target structures for prologue ends + and epilogue starts. + * output.h (no_asm_to_stream): New. + * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE, + TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New. + (TARGET_ASM_OUT): Update. + * target.h (struct gcc_target): New members function_end_prologue + and function_begin_epilogue. + * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused. + * config/alpha/alpha-protos.h (output_end_prologue): Delete. + * config/alpha/alpha.c (output_end_prologue): Rename to + alpha_output_function_end_prologue. Use in target struct + and make static. + * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete. + * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete. + * config/ia64/ia64.c (ia64_output_end_prologue): Rename to + ia64_output_function_end_prologue. Use in target struct + and make static. + (ia64_function_prologue, ia64_function_epilogue): Rename + mistyped prototypes. + * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete. + * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue): + Delete. + * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename + an use in target struct, make static. + * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE): + Delete. + +2001-07-08 Richard Henderson <rth@redhat.com> + + * stmt.c (emit_case_nodes): Convert modes properly in low+high test. + +2001-07-08 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md: Remove constraints strings from define_split + and define_peephole2 patterns. + (eh_return_si, eh_return_di): Split eh_return_1 for modes. + (eh_return): Use them. + +2001-07-08 Richard Henderson <rth@redhat.com> + + * doc/tm.texi (Exception Handling): New subnode of Stack and Calling. + Document MD_FALLBACK_FRAME_STATE_FOR. + +2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset): + Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM + elimination. + * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0. + +2001-07-07 Nick Clifton <nickc@cambridge.redhat.com> + + * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end + of the label inside NAME as opposed to just the end of NAME. + +2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete. + * config/alpha/alpha.c (alpha_init_machine_status, + alpha_mark_machine_status, alpha_free_machine_status): Delete. + (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS. + (vms_valid_decl_attribute_p): Make static, conditionally compile. + * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete. + +2001-07-06 Stan Shebs <shebs@apple.com> + + * target.h (targetm): Rename global from "target", so as not to + conflict with local variables. + * c-decl.c: Ditto. + * c-typeck.c: Ditto. + * final.c: Ditto. + * tree.c: Ditto. + * cp/decl.c: Ditto. + * cp/decl2.c: Ditto. + * cp/typeck.c: Ditto. + * 1750a/1750a.c: Ditto. + * a29k/a29k.c: Ditto. + * arc/arc.c: Ditto. + * arm/arm.c: Ditto. + * avr/avr.c: Ditto. + * clipper/clipper.c: Ditto. + * convex/convex.c: Ditto. + * d30v/d30v.c: Ditto. + * dsp16xx/dsp16xx.c: Ditto. + * elxsi/elxsi.c: Ditto. + * fr30/fr30.c: Ditto. + * h8300/h8300.c: Ditto. + * i370/i370.c: Ditto. + * i386/i386.c: Ditto. + * i860/i860.c: Ditto. + * i960/i960.c: Ditto. + * ia64/ia64.c: Ditto. + * m32r/m32r.c: Ditto. + * m68hc11/m68hc11.c: Ditto. + * m68k/m68k.c: Ditto. + * m88k/m88k.c: Ditto. + * mips/mips.c: Ditto. + * ns32k/ns32k.c: Ditto. + * pa/pa.c: Ditto. + * pdp11/pdp11.c: Ditto. + * romp/romp.c: Ditto. + * rs6000/rs6000.c: Ditto. + * sh/sh.c: Ditto. + * sparc/sparc.c: Ditto. + * vax/vax.c: Ditto. + * we32k/we32k.c: Ditto. + * doc/tm.texi: Update the manual to match. + +2001-07-06 Richard Henderson <rth@redhat.com> + + * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of + DWARF2_UNWIND_INFO not just whether it is defined. + +2001-07-06 Diego Novillo <dnovillo@redhat.com> + + * combine.c (combine_simplify_rtx): Also recompute 'mode' if the + call to simplify_binary_operation returns a new pattern. + +2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de> + + * glimits.h (__SHRT_MAX__): New. + (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX. + (SHRT_MAX): Define in terms of __SHRT_MAX__. + +2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl> + + * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to + avoid warnings. + +2001-07-06 Richard Henderson <rth@redhat.com> + + * bitmap.c (bitmap_release_memory): Move adjacent to the + allocation functions. + (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing + the implementation. Binary search for the set bit. + (bitmap_union_of_diff): Allocate the temporary on the stack + instead of using xmalloc. + +2001-07-06 Richard Henderson <rth@redhat.com> + + * genrecog.c (validate_pattern): Warn for constraints in + define_{expand,split,peephole2}. Remove strict_low_part + before looking up match_dup. + +2001-07-06 DJ Delorie <dj@redhat.com> + + * doc/gcc.texi (Makefile): Rename to be a more general purpose + chapter about various build hints and history. Add section + talking about the various types of native and cross builds. + +2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (final.o): Depend on target.h. + * final.c: Include target.h. + (default_function_pro_epilogue): New. + (final_start_function): Use target structure for function prologues. + (final_end_function): Use target structure for function epilogues. + * fold-const.c (real_hex_to_f): Constify s and p. + * output.h (default_function_pro_epilogue): New. + * real.h (real_hex_to_f): Update prototype. + * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE, + TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New. + (TARGET_INITIALIZER): Update. + * target.h (gcc_target): Add struct asm_out. + * doc/tm.texi: Update. + +config: + Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and + TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions + in cpu/cpu.c, or rename old functions consistently. Take + a HOST_WIDE INT not an int as the SIZE parameter. Remove now + redundant macros and prototypes. Make new functions static. + + * 1750a/1750a.c: Similarly. + * 1750a/1750a.h: Similarly. + * a29k/a29k-protos.h: Similarly. + * a29k/a29k.c: Similarly. + * a29k/a29k.h: Similarly. + * arc/arc-protos.h: Similarly. + * arc/arc.c: Similarly. + * arc/arc.h: Similarly. + * arm/arm-protos.h: Similarly. + * arm/arm.c: Similarly. + * arm/arm.h: Similarly. + * avr/avr-protos.h: Similarly. + * avr/avr.c: Similarly. + * avr/avr.h: Similarly. + * clipper/clipper-protos.h: Similarly. + * clipper/clipper.c: Similarly. + * clipper/clipper.h: Similarly. + * convex/convex.c: Similarly. + * convex/convex.h: Similarly. + * d30v/d30v-protos.h: Similarly. + * d30v/d30v.c: Similarly. + * d30v/d30v.h: Similarly. + * d30v/d30v.md: Similarly. + * dsp16xx/dsp16xx-protos.h: Similarly. + * dsp16xx/dsp16xx.c: Similarly. + * dsp16xx/dsp16xx.h: Similarly. + * elxsi/elxsi.c: Similarly. + * elxsi/elxsi.h: Similarly. + * fr30/fr30.c: Similarly. + * fr30/fr30.md: Similarly. + * h8300/h8300-protos.h: Similarly. + * h8300/h8300.c: Similarly. + * h8300/h8300.h: Similarly. + * i370/i370-protos.h: Similarly. + * i370/i370.c: Similarly. + * i370/i370.h: Similarly. + * i386/i386.c: Similarly. + * i386/osf1elf.h: Similarly. + * i386/osfrose.h: Similarly. + * i860/i860-protos.h: Similarly. + * i860/i860.c: Similarly. + * i860/i860.h: Similarly. + * i960/i960-protos.h: Similarly. + * i960/i960.c: Similarly. + * i960/i960.h: Similarly. + * ia64/ia64-protos.h: Similarly. + * ia64/ia64.c: Similarly. + * ia64/ia64.h: Similarly. + * m32r/m32r-protos.h: Similarly. + * m32r/m32r.c: Similarly. + * m32r/m32r.h: Similarly. + * m68hc11/m68hc11-protos.h: Similarly. + * m68hc11/m68hc11.c: Similarly. + * m68hc11/m68hc11.h: Similarly. + * m68k/crds.h: Similarly. + * m68k/dpx2.h: Similarly. + * m68k/m68k-protos.h: Similarly. + * m68k/m68k.c: Similarly. + * m68k/m68k.h: Similarly. + * m68k/news.h: Similarly. + * m88k/m88k-protos.h: Similarly. + * m88k/m88k.c: Similarly. + * m88k/m88k.h: Similarly. + * mips/mips-protos.h: Similarly. + * mips/mips.c: Similarly. + * mips/mips.h: Similarly. + * ns32k/merlin.h: Similarly. + * ns32k/ns32k.c: Similarly. + * ns32k/ns32k.h: Similarly. + * ns32k/tek6000.h: Similarly. + * pa/pa-protos.h: Similarly. + * pa/pa.c: Similarly. + * pa/pa.h: Similarly. + * pdp11/2bsd.h: Similarly. + * pdp11/pdp11-protos.h: Similarly. + * pdp11/pdp11.c: Similarly. + * pdp11/pdp11.h: Similarly. + * romp/romp-protos.h: Similarly. + * romp/romp.c: Similarly. + * romp/romp.h: Similarly. + * rs6000/rs6000-protos.h: Similarly. + * rs6000/rs6000.c: Similarly. + * rs6000/rs6000.h: Similarly. + * rs6000/sysv4.h: Similarly. + * sh/sh-protos.h: Similarly. + * sh/sh.c: Similarly. + * sh/sh.h: Similarly. + * sparc/sparc-protos.h: Similarly. + * sparc/sparc.c: Similarly. + * sparc/sparc.h: Similarly. + * vax/vax.c: Similarly. + * vax/vax.h: Similarly. + * vax/vms.h: Similarly. + * we32k/we32k.c: Similarly. + * we32k/we32k.h: Similarly. + +Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com) + + * basic-block.h (first_insn_after_basic_block_note): Declare. + * flow.c (first_insn_after_basic_block_note): Define. Moved + from... + * ssa.c (first_insn_after_basic_block_note): Remove. + * ssa-dce.c (find_inherently_necessary): Consider BARRIERs + necessary. + (ssa_eliminate_dead_code): Properly update the CFG and PHI + nodes when we find a dead conditional branch. Insert BARRIERs + after any blocks with no successors, but which do not have + any BARRIERs. + +2001-07-06 Zack Weinberg <zackw@stanford.edu> + + * varray.c (varray_check_failed): Use internal_error. + +2001-07-05 Andrew Haley <aph@redhat.com> + + * Makefile.in (LIB2_DIVMOD_FUNCS): New. + (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS. + * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS. + +2001-07-02 Jason Merrill <jason_merrill@redhat.com> + + * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool + reference if the target constant is also a SYMBOL_REF. + +2001-07-05 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.h (MASK_MIPS3900): Remove. + (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV, + MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal. + (TARGET_MIPS3900): Change to use mips_arch. + (TARGET_MIPS4000): New. + (TARGET_MIPS4100): New. + (TARGET_MIPS4300): New. + (TARGET_SWITCHES): Change 3900 and 4650 options to NULL. + (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text + for -mipsX. + (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900. + (ISA_HAS_BRANCHLIKELY): To here. + (CC1_CPU_SPEC): New. + (CC1_SPEC): Use here. Remove 4650 and 3900 options. + (mips_arch_string): Declare. + (mips_arch): Declare. + (TARGET_OPTIONS): Add -march and -mtune. + + * config/mips/mips.c (mips_arch_string): New. + (mips_arch): New. + (override_options): Handle -march for codegen and -mtune + for scheduling. Use mips_arch. Move tx39 target default here. + (mips_parse_cpu): Move error message to override_options. + + * config/mips/r3900.h (TARGET_DEFAULT): Remove. + + * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300. + + * doc/invoke.texi (Option Summary): Add -march and -mtune entries. + (MIPS Options): Ditto. Change mcpu entry to historical text. + +2001-07-05 H.J. Lu (hjl@gnu.org) + + * config/mips/mips.c (mips_parse_cpu): New function to parse + -march=*/-mcpu=*. + +2001-07-05 Jim Wilson <wilson@redhat.com> + + * config/ia64/lib1funcs.asm: Revert 2001-07-02 change. + * config/ia64/t-ia64: Likewise. + (LIB1ASMFUNCS): Update comment. + +2001-07-05 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi (Install GCC: Binaries): Fix typo. + +2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory + reference using the stack pointer, adjust it since we push Y + temporarily. + ("*ashrsi3"): Likewise. + ("*lshrsi3"): Likewise. + +2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address + when -fomit-frame-pointer is used. + +2001-07-05 Jeffrey Oldham <oldham@codesourcery.com> + + * flow.c: Reverse Jan Hubicka's patch of 02July2001. + (try_redirect_by_replacing_jump): Reverse updating properly the + count and frequency information. Reverse removing cc0 setter. + (forwarder_block_p): Reverse fixing for fallthru blocks. + +2001-07-05 DJ Delorie <dj@redhat.com> + + * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New. + (translate_options): If the above is defined, use it to map + given options to new options. + * doc/tm.texi: Document it. + +2001-07-05 Brad Lucier <lucier@math.purdue.edu> + Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/invoke.texi (Optimize Options): Document that -fgcse may + cause programs using computed gotos to run more slowly. + +2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Specific): Markup, spelling and typo fixes. + Fixed sorting. + Consistently require binutils 2.11.2, not prereleases. + (Specific, decstation-*): Canonicalize as mips-dec-*. + (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement, + always necessary. + (Specific, m68k-altos): Removed reference to README.altos, deleted. + (Specific, mips-*): Reword MIPS C compiler requirements. + (Specific, powerpc*-*-*): New, mention --with-cpu once. + (Specific, sunv5): Removed, obsolete. + +2001-07-05 Nathan Sidwell <nathan@codesourcery.com> + + * dwarf2out.c (output_loc_list): Use an all ones mask for + .text asm output and don't rely on long long + literals. Reformat some long lines. + +2001-07-05 Andreas Jaeger <aj@suse.de> + + * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL + section. + +2001-07-04 Daniel Berlin <dan@cgsoftware.com> + + * dwarf2out.c (dwarf2out_define): Update comment. + (dwarf2out_undef): Ditto. + (dwarf2out_start_source_file): Ditto. + (dwarf2out_end_source_file): Ditto. + (dwarf2out_finish): Output DW_MACINFO_end_file for primary file, + since we never call the start/end debug hook for the primary file. + +2001-07-04 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Remove an extra operand + from shll. + +2001-07-04 Nathan Sidwell <nathan@codesourcery.com> + + * cppinit.c (remove_dup_dirs): Inform if a system include + directory is being reordered. + * doc/invoke.texi (Directory Options): GCC warns if you hide a + system include. + * doc/cpp.texi (Search Paths): Likewise. + * doc/gcc.texi (Interoperation): Remove information about + -I/usr/include. + +2001-07-04 Nathan Sidwell <nathan@codesourcery.com> + + * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter. + (VARRAY_TOP_CHAR_PTR): Likewise. + +2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (process_command): Don't assign elements of a const char*. + +Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (change_address): Don't abort if invalid address while + reload is in progress. + +2001-07-04 Daniel Berlin <dan@cgsoftware.com> + + * c-lex.c (cb_file_change): Pass line number to + debug_start_source_file. + (cb_undefine): Pass correct line number to debug_undef. + + * toplev.c (debug_start_source_file): Add line number to + parameters. Pass it along to dwarf2out_start_source_file. + (decode_g_option): Stop resetting debug level back to normal when + we change debug formats, unless the current level is + none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than + 3). + + * toplev.h (debug_start_source_file): Add line number to + parameters. + + * dwarf2out.h (dwarf2out_start_source_file): Add line number to + parameters. + + * dwarf2out.c (dwarf2out_start_source_file): Add line number to + parameters. + Output debug_macinfo data for starting file if requested. + (dwarf2out_end_source_file): Output debug_macinfo data for ending + file if requested. + (dwarf2out_define): Output debug_macinfo data for defining a macro + if requested. + (dwarf2out_undef): Output debug_macinfo data for undefining a + macro if requested. + (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name. + (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label. + (macinfo_section_label): New. DWARF2 macro info section label. + (dwarf2out_init): If we want macro info, output the start label + for the section. + (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info + attribute to the compilation unit die pointing to the macro info. + +2001-07-04 Daniel Berlin <dan@cgsoftware.com> + + * dwarf2out.c (new_loc_list): Move to inside #ifdef + DWARF2_DEBUGGING_INFO. + (add_loc_descr_to_loc_list): Ditto. + (output_loc_list): Ditto. + Also, fix thinko in curr not being initialized. + (gen_internal_sym): Ditto. + +Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (replace_equiv_address): New function. + * expr.h (replace_equiv_address): New declaration. + * explow.c (validize_mem): Call it instead of change_address and + also call if -fforce-addr and address is constant. + * expr.c: Replace more calls to change_address with adjust_address + and/or replace_equiv_address or to validize_mem. + * function.c, regmove.c, config/alpha/alpha.c: Likewise. + * config/arm/arm.md, config/clipper/clipper.md: Likewise. + * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise. + * config/i370/i370.md, config/i860/i860.md: Likewise. + * config/i960/i960.md, config/mips/mips.c: Likewise. + * config/mips/mips.md, config/pa/pa.md: Likewise. + * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise. + * config/rs6000/rs6000.md, config/sh/sh.md: Likewise. + +2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA. + + * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a + function. + +2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/include: New directory. + * doc/fdl.texi: Move to doc/include/fdl.texi. + * doc/texinfo.tex: Move to doc/include/texinfo.tex. + * doc/include/funding.texi, doc/include/gpl.texi: New files. + * doc/gcc.texi: Use funding.texi and gpl.texi. + * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info, + $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi): + Update dependencies and use -I $(docdir)/include. + +2001-07-04 Anthony Green <green@redhat.com> + + * config/v850/t-v850 (v850-c.o): Add missing dependencies. + +2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (sparc64-*-*): Remove garbage. + +Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl> + + * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS): + Fix typo in last change to use adjust_address. + +2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific): Update information for *-*-solaris*. + +Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (plus_constant_wide): Reinitialize Y for restart. + +2001-07-03 Stan Shebs <shebs@apple.com> + + * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove + case for flag_no_mach_text_sections. + (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION. + * config/darwin.c (flag_no_mach_text_sections): Remove. + * config/darwin-protos.h (darwin_init_pragma): Remove decl. + +Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (plus_constant_wide, case PLUS): Call find_constant_term + and avoid checking for constant as first operand. + * recog.c (find_constant_term_loc): No longer static. + (adj_offettable_operand): Delete. + * rtl.h (adj_offsettable_operand): Delete declaration. + (find_constant_term): Add declaration. + * caller-save.c: Replace calls to adj_offsettable_operand with calls + to adjust_address. + * config/arm/arm.c, config/c4x/c4x.c: Likewise. + * config/clipper/clipper.md, config/h8300/h8300.c: Likewise. + * config/i386/i386.c, config/i386/i386.md: Likewise. + * config/i860/i860.c, config/i960/i960.c: Likewise. + * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise. + * config/m68k/m68k.c, config/m68k/m68k.md: Likewise. + * config/m88k/m88k.md, config/mcore/mcore.c: Likewise. + * config/mips/mips.c, config/mips/mips.md: Likewise. + * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise. + * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise. + * config/pa/pa.c, config/pdp11/pdp11.c: Likewise. + * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise. + * config/vax/vax.md, config/ns32k/ns32k.c: Likewise. + * config/ns32k/ns32k.md: Likewise. + +2001-07-03 Zack Weinberg <zackw@stanford.edu> + + * rtl.c (copy_rtx): Handle 'T' format letter. + * gensupport.c (collect_insn_data): Likewise. + * print-rtl.c (print_rtx): Print 'T' slots like 's'. + +2001-07-03 Nick Clifton <nickc@cambridge.redhat.com> + + * doc/invoke.texi (Directory Options): Specifiy range for <N> in + -B option. Use 'dir' not 'foo' as example directory name. + +2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. + Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275. + +2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cppinternals.texi: Improve formatting and logical markup. + +2001-07-03 Andreas Jaeger <aj@suse.de> + + * Makefile.in (insn-recog.o): Add dependency on reload.h. + + * genrecog.c (write_header): Include reload.h for prototypes in + insn-recog.c. + +2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk> + +config: + * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * i386/i386-protos.h (i386_pe_valid_decl_attribute_p, + i386_pe_valid_type_attribute_p): Add. + * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets. + * i386/winnt.c (i386_valid_decl_attribute_p): Return directly. + +Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (plus_constant_wide, case LO_SUM): New case. + (plus_constant_for_output_wide): Delete. + * rtl.h (plus_constant_for_output): Delete. + * alias.c (canon_rtx, init_alias_analysis): Call plus_constant + instead of plus_constant_for_output. + * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise. + * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise. + * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise. + * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise. + * config/sparc/sparc.md: Likewise. + Convert some change_address calls to adjust_address. + +2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi, + doc/rtl.texi, doc/tm.texi: Improve formatting. Improve + documentation of -std and -Wwrite-strings. + +2001-07-02 Geoffrey Keating <geoffk@redhat.com> + + * cse.c (canon_hash): Don't register registers in very small + register classes, as extending their lifetime might cause + reload to fail. + +Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter. + + * flow.c (forwarder_block_p): Fix for fallthru blocks. + (try_redirect_by_replacing_jump): Update properly the count + and frequency information. + +Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com) + + * toplev.c (dump_file_index): Move SSA dumps just after first + jump dump. + (dump_file): Corresponding changes. + (rest_of_compilation): Move SSA path to just after the first + jump pass. + * doc/gcc.texi (Passes): Update due to movement of SSA path. + * doc/invoke.texi: Update dump file #s as they were completely + out of date with reality. + +2001-07-02 Geoffrey Keating <geoffk@redhat.com> + + * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE. + + * expr.c (emit_move_insn_1): Deal with non-default + STACK_PUSH_CODE. + + * expr.c (emit_single_push_insn): Fix warning. + +2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * expr.c (emit_move_insn_1): Avoid modifying + cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined. + +Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (adjust_address): New function. + * expr.h (adjust_address): Add declaration. + * builtins.c: Replace some calls to change_address with calls to it + or to validize_mem. + * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise. + * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise. + * config/arm/arm.c, config/convex/convex.c: Likewise. + * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise. + * config/i386/i386.c, config/i386/i386.md: Likewise. + * config/ia64/ia64.c, config/ia64/ia64.md: Likewise. + * config/m32r/m32r.c, config/m68k/m68k.md: Likewise. + * config/m88k/m88k.c, config/mips/mips.md: Likewise. + * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise. + * config/sh/sh.c, config/sparc/sparc.md: Likewise. + +2001-07-02 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment. + +2001-07-02 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore. + * config/ia64/lib1funcs.asm: Change macro names to match t-ia64. + +2001-07-02 Zack Weinberg <zackw@stanford.edu> + + * cppinit.c (lang_defaults): New table. + (set_lang): Just read from lang_defaults into the live options + structure. + +2001-07-02 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (doc): Depend on $(GENERATED_MANPAGES). + * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1. + * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed. + +2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi: Various spelling and markup fixes. + (Installing GCC): Component specific installation instructions are + gone. + Fix reference. + Warn about removing old install dir in the presence of shared libs. + (Configuration): Invoke with options target to match configure + --help. + Consistently refer to gas, gld pathnames. + Invert --enable-multilib documentation. + Remove references to old compiler versions. + +Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags. + +2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5 + section. + (Specific, mips*-sgi-irix5): Note IDO download. + Reworded MIPS C hints. + Use GNU as instead of GAS. + Markup fixes. + Removed SGI Freeware reference, IRIX 6 only. + (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete. + Note N64 library requirement/workaround. + Update O32 hints. + Complete list of structure passing bug victims. + +2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi: Remove CVS Id. + +2001-07-02 Andreas Jaeger <aj@suse.de> + + * ssa-dce.c (note_inherently_necessary_set): Add unused attribute. + (find_inherently_necessary): Remove unused variable. + +2001-07-02 Nathan Sidwell <nathan@codesourcery.com> + + * c-common.h (TDI_inlined): New ast dump phase. + (dump_flag_name): New function. + * c-dump.c (dump_files): Add inlined phase. + (dump_flag_name): Define. + * doc/invoke.texi (-fdump-ast-inlined): Document. + +Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stor-layout.c (layout_decl): Revert change to handling of alignment + in packed types. + +Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl + for FIELD_DECL. + +2001-07-01 Geoffrey Keating <geoffk@redhat.com> + + * doc/tm.texi (FUNCTION_ARG): Document that the last call + is special. + +2001-07-01 Nathan Sidwell <nathan@codesourcery.com> + + * tlink.c (recompile_files): Remove COMPILER_PATH and + LIBRARY_PATH from the environment. + +2001-07-01 Zack Weinberg <zackw@stanford.edu> + + * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT, + RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST + enumerators. + (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros. + + * c-parse.in (OBJC_STRING): Kill. + (objc_string): Decompose to [objc_string] '@' STRING. + (reswords): Take the leading '@' off all the Objective-C keywords. + (objc_rid_sans_at): Kill. + (init_reswords): Don't initialize it. + (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD. + (_yylex): Kill reconsider label. Look ahead one token after + an '@'; if we get an identifier, check whether it's an + Objective-C @-keyword. If so, return the keyword. Otherwise, + put back the token and return the '@' as a terminal. + + * cpplib.c (lex_macro_node): Remove unnecessary check for + leading '@' on identifier. Clarify control flow and commentary. + +Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cse.c (new_label_ref): Variable deleted. + (insert): Remove set of new_label_ref. + (check_for_label_ref): New function. + (cse_basic_block): Don't check new_label_ref; call check_for_label_ref. + +2001-06-30 Zack Weinberg <zackw@stanford.edu> + + * rtl.def (DEFINE_INSN, DEFINE_INSN_AND_SPLIT, DEFINE_PEEPHOLE): + Change output-template slot to format 'T'. + * rtl.h (XTMPL): New. + * read-rtl.c (read_escape): New function. + (read_quoted_string, read_braced_string): Use it. + (read_rtx): Set star_if_braced from the format string. + Use XTMPL where appropriate. + * genoutput.c (gen_insn, gen_peephole): Use XTMPL to get the + template string. + + * rtl.c: Include errors.h for sake of rtl_check_failed* routines. + Document 'T' in rtx format strings. + * Makefile.in (rtl.o, $(HOST_PREFIX_1)rtl.o): Depend on errors.h. + * errors.c (internal_error): Add missing ": " at end of string. + + * i860.md: Change triple backslashes to double backslashes at + ends of lines in output templates. + * ns32k.md: Remove stray backslash-newline in output template. + +2001-06-29 Nick Clifton <nickc@cambridge.redhat.com> + + * gcc.c (process_command): Append a DIR_SEPARATOR to a path + specified by the -B switch, if doing so would create a valid + directory name. + * doc/invoke.texi: Document changed behavior of -B. + +2001-06-29 DJ Delorie <dj@redhat.com> + + * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at + least get rid of the CONCAT if we can't simplify further. + +Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com) + + * simplify-rtx.c (simplify_rtx): Use swap_commutative_operands_p. + + * doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce + changes. Fix documentation for SSA DCE pass. + + * ssa-dce.c (ssa_eliminate_dead_code): Renamed from + eliminate_date_code. + * ssa.h (ssa_eliminate_dead_code): Corresponding changes. + * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM. + * toplev.c (DFI_ssa_dce): Renamed from DFI_dce. + (dump_file_info): Similar changes. + (flag_ssa_dce): Similarly + (f_options): Similar changes. + (rest_of_compilation): Corresponding changes. + * doc/invoke.texi: Update as option is now -fssa-dce instead + of -fdce. Update dump file name. + + * ssa-dce.c (note_inherently_necessary_set): New function. + (find_inherently_necessary): Use it. Do not consider + NOTEs, CODE_LABELs or BARRIERS are necessary. Improve + handling of asms and unspecs. + (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs. + +2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * target.h (struct gcc_target): Add comp_type_attributes and + set_default_type_attributes. + * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES, + TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define. + (TARGET_INITIALIZER): Update. + * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): + Update documentation of old target macros to describe new target + hooks. + * tree.c (make_node): Use target.set_default_type_attributes. + (default_comp_type_attributes, + default_set_default_type_attributes): New functions. + * tree.h (default_comp_type_attributes, + default_set_default_type_attributes): Declare. + * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define. + (comptypes): Use target.comp_type_attributes. + * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h + (arc_comp_type_attributes, arc_set_default_type_attributes, + COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove + functions and macros with default behavior. + * config/m32r/m32r-protos.h, config/m32r/m32r.c, + config/m32r/m32r.h (m32r_comp_type_attributes, + m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c, + config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes, + m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c, + config/ns32k/ns32k.h (ns32k_comp_type_attributes, + COMP_TYPE_ATTRIBUTES): Likewise. + * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c, + config/rs6000/rs6000.h (rs6000_comp_type_attributes, + rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro + definitions. + * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/arm/arm.c (arm_comp_type_attributes, + arm_set_default_type_attributes): Make static. + (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): + Define. + * config/arm/arm.h (COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Don't define. + * config/arm/arm-protos.h (arm_comp_type_attributes, + arm_set_default_type_attributes): Don't declare. + * config/i386/i386.c (ix86_comp_type_attributes): Make static. + (TARGET_COMP_TYPE_ATTRIBUTES): Define. + * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define. + * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't + declare. + +2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl> + + * predict.c (dump_prediction): Eliminate fprintf warning. + +2001-06-28 Diego Novillo <dnovillo@redhat.com> + + * flow.c (dump_bb): Remove unused third argument to call + to fprintf when displaying the basic block header. + +2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + Jeff Law <law@redhat.com> + + * Makefile.in (OBJS): Add df.o + (df.o): Add dependencies. + * basic-block.h (flow_depth_first_order_compute): Declare. + * flow.c (flow_depth_first_order_compute): No longer declare. + Make external. + * df.c, df.h: New files. + +2001-06-28 Zack Weinberg <zackw@stanford.edu> + + * config/i386/i386.md: Global update to use new string syntax + where it will improve readability. Warning fixes: + (*truncdfsf2_2): Abort if which_alternative is not 0 or 1. + (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, + *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int. + + * read-rtl.c: Syntactic sugar for C embedded in strings in + machine descriptions. + (read_string): Break inner loop into separate function. Takes + an int. Dispatch to read_quoted_string or read_braced_string + as appropriate. Automatically insert a leading star on braced + strings if STAR_IF_BRACED is true. + (read_quoted_string, read_braced_string): New functions. + * doc/rtl.texi, doc/md.texi: Document new syntax. Update + examples to match. + + * rtl.c: Split RTL reader (read_rtx, read_skip_spaces, + traverse_md_constants, fatal_with_file_and_line, + fatal_expected_char, read_name, read_string, def_hash, + def_name_eq_p, read_constants, and related data) to its own + file. Weed out now-unnecessary #includes. + * read-rtl.c: New file. + * Makefile.in (HOST_RTL): Add read-rtl.o. + (read-rtl.o): New rule. + (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies. + * doc/gcc.texi (Passes): Talk briefly about the support + library used by genfoo. + * doc/rtl.texi (Reading RTL): read_rtx is not available in the + compiler itself. + +2001-06-28 Stan Shebs <shebs@apple.com> + + * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define. + * config/darwin-c.c: New file. + * config/darwin-protos.h: Declare new functions. + * config/rs6000/t-darwin (darwin-c.o): New rule. + * config.gcc (powerpc-*-darwin*): Define c_target_objs and + cxx_target_objs. + * doc/extend.texi (Pragmas): New section. + +Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_merge_block): Rename to try_optimize_cfg; + do basic simplifications on the CFG. + (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump, + try_simplify_condjump): New. + (redirect_edge_and_branch): Try replace jump insn. + (flow_delete_insn): Handle deleting of ADDR_VEC insns. + + * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros. + +Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com) + + * ssa-dce.c (eliminate_dead_code): Properly handle control + dependencies implied by PHI nodes. + + * ssa-dce.c (eliminate_dead_code): Remove fake edges from the + CFG after dead code elimination is complete. + +2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gthr-posix.h [LIBOBJC]: Add weak definitions of + sched_get_priority_max, sched_get_priority_min. + +2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (default_print_error_function): Tweak. + (report_error_function): Likewise. + * toplev.h (default_print_error_function): Move to... + * diagnostic.h: ...here. Add a `diagnostic_context *' parameter. + * tree.h (print_error_function): Move to... + * diagnostic.h: ...here. Add a `diagnostic_context *' parameter. + +Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_assignment): When have varying-length object, + make MEM a BLKmode. + (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting + SAVE_EXPR stack in case we had a SUBREG. + +Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (cmp?i): Simplify; refuse immediate operand + in alternative 0 + * i386.c (cmpsi_operand): Refuse constants. + + * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand. + + * flow.c (block_label, redirect_edge_and_branch): Split out from .... + (split_edge) .... here; + +2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * i386/i386.c (ix86_valid_type_attribute_p): Give external + linkage, move declaration to... + * i386/i386-protos.h: ...here. + +2001-06-27 H.J. Lu (hjl@gnu.org) + + * build-make (CC): Removed. + (HOST_CC): Set to $(CC_FOR_BUILD). + (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD). + Fix a typo in comments. + + * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when + generating auto-build.h for canadian cross compile. Set CC + to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'. + Save/restore CFLAGS. + * configure: Regenerated. + +2001-06-27 Jim Wilson <wilson@redhat.com> + + * emit-rtl.c (gen_highpart): Call validize_mem. + +2001-06-27 Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to + hpux10_cpp_pow_inline. Not similar enough. + (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for + all Solaris versions. This fix patches MUTEX and COND initializers, + the RWLOCK one will wait for someone to complain. For now, anyway. + (uw7_byteorder_fix): It was looking for the byteorder.h file in the + wrong directory. + +2001-06-27 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (handle_impent): Rewrite to be more portable + and to use ASM_DECLARE_CLASS_REFERENCE. + * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from + undocumented DECLARE_CLASS_REFERENCE, add file argument. + * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document. + +Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com) + + * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions + by putting complex operands first and constants second. + +2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h: Add documentation. Make macros polymorphic. + * diagnostic.c (ideal_line_wrap_cutoff): Remove + definition. Replace with diagnostic_line_cutoff. + (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule. + +2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi, + doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi, + doc/gcov.texi, doc/install-old.texi, doc/install.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace + . at end of sentences preceded by a capital letter with @.. + +2001-06-26 Daniel Berlin <dan@cgsoftware.com> + + * doc/invoke.texi: Add description of max-gcse-passes param. + + * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES. + (MAX_PASSES): Remove now unneeded macro. + + * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of + max-gcse-passes param. + + * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling + maximum number of GCSE passes to run. Defaults to 1 (which is what + MAX_PASSES in gcse.c used to be). + +2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * system.h (TARGET_ESC): Move to ... + * defaults.h (TARGET_ESC): ... here. + * target-def.h (TARGET_VALID_DECL_ATTRIBUTE, + TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler. + * tree.c (default_valid_attribute_p): New. + (valid_machine_attribute): Handlers can not be NULL. + * tree.h (default_valid_attribute_p): New. + * doc/tm.texi: Document TARGET_ESC. + * cp/decl2.c (import_export_class): Update. + +2001-06-26 Bruce Korb <bkorb@gnu.org> + + * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot + use preprocessing directives inside a string literal. Fixed. + +2001-06-26 Jim Wilson <wilson@redhat.com> + + * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT): + Document. + +2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi, + doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi, + doc/tm.texi: Use @: where necessary when a full stop does not end + a sentence. + +2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing + whitespace. + +2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi, + doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi, + doc/tm.texi: Use two spaces after ends of sentences. + +2001-06-26 Daniel Berlin <dan@cgsoftware.com> + + * toplev.c (display_help): Fix param thinko. + * Makefile.in: Fix params.h dependencies. + +2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com> + + * toplev.c (decode_f_option): Adjust setting. + (toplev_main): Call diagnostic_initialize. Remove call to + reshape_diagnostic_buffer._ + + * diagnostic.h (struct output_buffer): Add new field format_decoder. + (diagnostic_format_decoder): New macro. + (diagnostic_prefixing_rule): Likewise. + (diagnostic_line_cutoff): Likewise. + (set_message_prefixing_rule): Remove. + + * diagnostic.c (lang_printer): Remove. + (diagnostic_message_length_per_line): Likewise. + (current_prefixing_rule): Likewise. + (initialize_diagnostics): Rename to... + (diagnostic_initialize): ...this. Tweak. + (default_initialize_buffer): Remove. + (reshape_diagnostic_buffer): Likewise. + (init_output_buffer): Adjust prefixing rule setting. + (output_format): Use format_decoder from the output_buffer. + + * c-lang.c (c_init): Adjust tree formatter setting. + +2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files. + +2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (TARGET_H, TARGET_DEF_H): New. + (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update. + * c-decl.c (duplicate_decls): Use function pointer. + * c-typeck.c (common_type): Similarly. + * tree.c (valid_machine_attribute): Similarly. + (merge_machine_type_attributes): Rename merge_type_attributes. + (merge_machine_decl_attributes): Rename merge_decl_attributes. + (merge_dllimport_decl_attributes): New function. + * tree.h (merge_machine_type_attributes): Rename merge_type_attributes. + (merge_machine_decl_attributes): Rename merge_decl_attributes. + (merge_dllimport_decl_attributes): New prototype. + * target.h: New. + * target-def.h: New. + +doc: (Joseph Myers) + * doc/gcc.texi, doc/tm.texi: Update documentation. + +cp: Make-lang.in: Update dependencies. + * spew.c: Include target.h. + (duplicate_decls): Call target function. + * decl2.c: include target.h + (import_export_class): Use existence of target function pointer. + * typeck.c: Include target.h. + (qualify_type_recursive): Rename variable. Call target function. + (type_after_usual_arithmetic_conversions): Similarly. + (common_type): Similarly. + +config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c, + avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c, + d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c, + i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c, + m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c, + mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c, + pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c, + sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c) + : Include target.h and target-def.h. Define target. + + * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove. + * arc/arc.c (arc_valid_machine_decl_attribute): Rename + arc_valid_decl_attribute, make static. + * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * arm/arm-protos.h (arm_valid_machine_decl_attribute, + arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute, + arm_pe_merge_machine_decl_attributes): Remove. + * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename + arm_valid_decl_attribute_p, make static. + (arm_pe_valid_decl_attribute_p): Move from pe.c. + * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c. + (arm_pe_merge_machine_decl_attributes): Move to tree.c. + * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New. + (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * avr/avr-protos.h (valid_machine_type_attribute, + valid_machine_decl_attribute): Remove. + * avr/avr.c (valid_machine_type_attribute, + valid_machine_decl_attribute): Rename and make static. + * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE, + VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove. + * c4x/c4x.c (c4x_valid_type_attribute_p): Make static. + * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * d30v/d30v.h: Remove obsolete comments. + * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove. + * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make + static. + * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define. + (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES, + i386_pe_valid_type_attributes_p): Remove. + * i386/i386-protos.h (ix86_valid_decl_attribute_p, + ix86_valid_type_attribute_p): Remove. + * i386/i386.c (ix86_valid_decl_attribute_p): Remove. + (ix86_valid_type_attribute_p): Make static. + * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c. + * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove. + * ia64/ia64.c (ia64_valid_type_attribute): Make static. + * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove. + * m32r/m32r.c (m32r_valid_decl_attribute): Make static. + * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p, + m68hc11_valid_type_attribute_p): Remove. + * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove. + (m68hc11_valid_type_attribute_p): Make static. + * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute, + mcore_merge_machine_decl_attribute): Remove. + * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename, + make static. + (mcore_merge_machine_decl_attributes): Move to tree.c. + * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define. + * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p, + ns32k_valid_type_attribute_p): Remove. + * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove. + (ns32k_valid_type_attribute_p): Make static. + * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p, + rs6000_valid_type_attribute_p): Remove. + * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove. + (rs6000_valid_type_attribute_p): Make static. + * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove. + * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static. + * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove. + * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static. + * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + +2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com> + + * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold + it. + +2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (struct diagnostic_context): Add new field. + (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove + declaratons. + (global_dc): Declare. + * diagnostic.c (global_diagnostic_context): New variable. + (global_output_buffer): Remove. + (global_dc): Define. + (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove + definitions. + (initialize_diagnostics): Adjust initialization. + (set_diagnostic_context): Adjust setting. + +2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/iris5.h (UNALIGNED_INT_ASM_OP, + UNALIGNED_SHORT_ASM_OP): Define. + * config/mips/iris6.h (UNALIGNED_INT_ASM_OP, + UNALIGNED_SHORT_ASM_OP): Undef. + +Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (float_truncate splitter, and to mov splitters): Add + reload_completed; fix operand predicate. + + * haifa-sched.c (sched_init): Do not split insns. + * toplev.c (rest_of_compilation): Call split_all_insns before + sched1 pass; simplify condition of post-reload splitter; + call split_all_insn before sched2 pass. + +2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (diagnostic_prefixing_rule_t): New enum type. + (set_message_prefixing_rule): Adjust prototype. + * diagnostic.c (current_prefixing_rule): Adjust type. + +2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * defaults.h: Default escape sequences to ASCII. + * config/i370/i370.h: Adjust for ASCII default. + * config/1750a/1750a.h: Remove escape sequence definitions. + * config/a29k/a29k.h: Similarly. + * config/alpha/alpha.h: Similarly. + * config/arc/arc.h: Similarly. + * config/arm/arm.h: Similarly. + * config/avr/avr.h: Similarly. + * config/c4x/c4x.h: Similarly. + * config/clipper/clipper.h: Similarly. + * config/convex/convex.h: Similarly. + * config/d30v/d30v.h: Similarly. + * config/dsp16xx/dsp16xx.h: Similarly. + * config/elxsi/elxsi.h: Similarly. + * config/fr30/fr30.h: Similarly. + * config/h8300/h8300.h: Similarly. + * config/i386/i386.h: Similarly. + * config/i860/i860.h: Similarly. + * config/i960/i960.h: Similarly. + * config/ia64/ia64.h: Similarly. + * config/m32r/m32r.h: Similarly. + * config/m68hc11/m68hc11.h: Similarly. + * config/m68k/m68k.h: Similarly. + * config/m88k/m88k.h: Similarly. + * config/mcore/mcore.h: Similarly. + * config/mips/mips.h: Similarly. + * config/mn10200/mn10200.h: Similarly. + * config/mn10300/mn10300.h: Similarly. + * config/ns32k/ns32k.h: Similarly. + * config/pa/pa.h: Similarly. + * config/pdp11/pdp11.h: Similarly. + * config/pj/pj.h: Similarly. + * config/romp/romp.h: Similarly. + * config/rs6000/rs6000.h: Similarly. + * config/sh/sh.h: Similarly. + * config/sparc/sparc.h: Similarly. + * config/v850/v850.h: Similarly. + * config/vax/vax.h: Similarly. + * config/we32k/we32k.h: Similarly. + * doc/tm.texi: Update documentation. + +2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (digit_buffer): Remove as global. Move to... + * diagnostic.h (struct output_buffer): ... here. + * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer. + +2001-06-25 Steve Ellcey <sje@cup.hp.com> + + * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file. + Define tmake_file to include ia64/t-hpux. + * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of + testing to see if it is defined. + * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if + undefined. + * config/ia64/hpux_longdouble.h: New. + * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect + handling of long doubles. + (ia64_function_arg, ia64_function_value): Add checks for TFmode + and INTEL_EXTENDED_IEEE_FORMAT. + * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one. + (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for + TFmode and INTEL_EXTENDED_IEEE_FORMAT. + * config/ia64/ia64.md (all TFmode patterns): Test + INTEL_EXTENDED_IEEE_FORMAT in condition. + (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT. + * config/ia64/quadlib.c: New. + * config/ia64/t-hpux: New. + * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one. + +2001-06-25 Jim Wilson <wilson@redhat.com> + + * config/i960/t-960bare (i960-c.o): Add missing header dependencies. + * config/i960/t-vxworks960: Likewise. + +2001-06-25 Dale Johannesen <dalej@apple.com> + + * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual + argument to macro). + +Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints. + +2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi, + doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about + the use of "GCC" and related terms. + * doc/gcc.1, doc/gcov.1: Regenerate. + +2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi, doc/gcc.texi, doc/install-old.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove + uses of @refill. + +Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz> + + * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand. + +2001-06-24 Richard Henderson <rth@redhat.com> + + * builtins.c (expand_builtin_expect_jump): Disable if the + expression can't be re-evaluated. + +2001-06-24 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt + handlers examine register r0-r7, for other interrupt handlers + examine r0-r12. If the interrupt handler is not a leaf function + save all call clobbered registers. + (arm_output_epilogue): If the prologue has pushed the IP register, + restore it here. + (Arm_expand_prologue): For interrupt functions that need the frame + pointer, push the IP register before it is corrupted. + + * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings + about the use of signed and unsigned quantities in a conditional. + +2001-06-23 Richard Henderson <rth@redhat.com> + + * config/alpha/crtfastmath.c: New file. + * config/alpha/t-crtfm: New file. + * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o. + * config/alpha/osf.h (ENDFILE_SPEC): Likewise. + * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here. + * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm; + do not set extra_parts here. + +2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove more documentation of configure + options. + * doc/install.texi: Add it here. + +Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (emit_i387_cw_initialization): Declare. + * i386.md (movsi_insv_1): Remove '*'. + (fix_trunc?f?i2): Revamp to use control word parameters. + (fix_trunc?i_1): Likewise; update splitters. + (fix splitter): Remove. + * i386.c (MAX_386_STACK_LOCALS): set to 3. + (emit_i387_cw_initialization): New function. + (output_fix_trunc): Do not initialize control word; + kill dead code; simplify. + +2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppmacro.c (make_string_token): Avoid warning. + (cpp_macro_definition): Prepend the macro name. Update + comments. + * cppmain.c (cb_define, dump_macro): Update for changes + to cpp_macro_definition. + +Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo. + +Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg, + try_pre_increment_1): compute REG_FREQ using bb->frequency. + + * regclass.c (loop_cost): Kill. + (frequency): New global variable. + (record_operand_costs): Replace loop_cost by frequency. + (scan_one_insn): Likewise. + (regclass): Likewise; set frequency according to bb->frequency. + + * flow.c (split_edge): Set frequency. + +Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (block_info_def): Add nvisited. + (propagate_freq): Count nvisited; re-queue delayed blocks; handle + irreducible regions. + + * flow.c (dump_edge_info): Dump the probability of edge. + (combine_predictions_for_insn): Dump the basic block. + +2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Update documentation of source files of C + compiler. + +2001-06-22 Richard Henderson <rth@redhat.com> + + * doc/invoke.texi (-funsafe-math-optimizations): Document its + possible effects at link time. + +2001-06-22 Diego Novillo <dnovillo@redhat.com> + + * basic-block.h (dump_edge_info): Declare. + (clear_edges): Declare. + (mark_critical_edges): Declare. + * flow.c (dump_edge_info): Remove static declaration. + (clear_edges): Ditto. + (mark_critical_edges): Ditto. + (free_basic_block_vars): Only clear edges and free basic block + array if basic_block_info is not NULL. + * ssa.c (compute_dominance_frontiers): Remove static declaration. + * ssa.h (compute_dominance_frontiers): Declare. + +2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com) + + * predict.c: (expected_value_to_br_prob): Check for const_true_rtx + instead of const1_rtx for true case. + +2001-06-22 David Mosberger <davidm@hpl.hp.com> + + * config/ia64/crtfastmath.c: New file. + * config/ia64/t-ia64 (EXTRA_PARTS): Include it. + * config/ia64/linux.h (ENDFILE_SPEC): New. + +2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/h8300/h8300.c (asm_file_start): Remove reference to + "release F-1". + +2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (verify_tree): Check for x being NULL. + * doc/c-tree.texi: Document COMPOUND_BODY of an empty + COMPOUND_STMT. + Fixes PR c/3259. + +2001-06-22 DJ Delorie <dj@redhat.com> + + * config/arm/arm.h (struct machine_function): Remove ra_rtx. + * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx. + (arm_return_addr): Use get_hard_reg_initial_val et al. + * config/d30v/d30v.h (struct machine_function): Remove ra_rtx. + * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx. + (d30v_return_addr): Use get_hard_reg_initial_val et al. + * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx. + * config/rs6000/rs6000.c (rs6000_override_options): Don't set + mark_machine_status. + (rs6000_mark_machine_status): Remove. + (rs6000_return_addr): Use get_hard_reg_initial_val. + (rs6000_ra_ever_killed): Use has_hard_reg_initial_val. + * config/v850/v850.h (INIT_EXPANDERS): Delete. + * config/v850/v850.c (struct machine_function): Delete. + (v850_init_machine_status): Delete. + (v850_mark_machine_status): Delete. + (v850_free_machine_status): Delete. + (v850_return_addr): Use get_hard_reg_initial_val. + (v850_init_expanders): Delete. + +Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_bb_frequencies): Do not handle conditional + jumps jumping to fallthru basic block as conditional jumps. + +Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz> + + * regs.h (struct reg_info_def): Add freq field. + (REG_N_REFS): Update comment. + (REG_FREQ): New. + * regclass.c (scan_one_insn): Update REG_FREQ. + * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted. + (attempt_auto_inc): Likewise. + (mark_used_reg): Likewise. + (try_pre_increment_1): Likewise. + * local-alloc.c (struct qty): Add freq field. + (alloc_qty): Set freq. + (update_equiv_regs): Set REG_FREQ. + (QTY_CMP_PRI): Use freq. + (combine_regs): Update qty->freq. + * global.c (struct allocno): Update comment for n_refs; + add freq field. + (local_reg_freq): New array. + (global_alloc): Update freq field; + allocate and initialize local_reg_freq. + (allocno_compare): Use freq field. + (find_reg): Likewise. + * reload1.c (count_pseudo): Use freq isntead of n_refs. + (count_spilled_pseudo): Likewise. + + * tm.texi (GCOV_TYPE_SIZE): Document. + * basic-block.h (gcov_type): Define. + (struct edge_def): Use gcov_type for count field. + (struct basic_block_def): Likewise. + * defaults.h (GCOV_TYPE_SIZE): Define. + * final.c (end_final): Use GCOV_TYPE_SIZE. + * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields + using HOST_WIDEST_INT_PRINT_DEC. + * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type, + __write_gcov_type): New. + (store_long): Remove. + * gcov.c (gcov_type): Set default. + (struct adj_list): Use gcov_type for arc_count. + (bb_info): Use gcov_type for succ_count, pred_count and exec_count. + (create_program_flow_graph): Read arc_count properly. + (solve_program_flow_graph): 'total' is gcov_type. + (output_data): Line_counts is gcov_type, print it properly. + * libgcc2.c (struct bb): Counts is gcov_type. + (__bb_exit_func): Use __read_gcov_type and __write_gcov_type. + * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default. + (GCOV_TYPE_SIZE): Define. + (struct bb_info): succ_count and pred_count is gcov_type. + (compute_branch_probabilities): Use __read_gcov_type, + print read edges to the dump file. + (total): Is gcov_type. + (gen_edge_profiler): Use GCOV_TYPE_SIZE. + +2001-06-14 Andrew Haley <aph@cambridge.redhat.com> + + * optabs.c (emit_libcall_block): When using non-call exceptions, + don't mark libcalls never throwing. + +2001-06-21 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (hash_init): Use xcalloc. + +2001-06-21 Richard Henderson <rth@redhat.com> + + * flow.c (entry_exit_blocks): Initialize frequency. + (split_block): Copy it. + (dump_flow_info): Dump it. + +Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence + from machine-depedent_reorg for purposes of alignment supression + when no delay slot insn has been added. + +2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppmacro.c (make_string_token): Null terminate. + +2001-06-21 DJ Delorie <dj@redhat.com> + + * config/alpha/alpha.h (struct machine_function): Remove. + * config/alpha/alpha.c (integrate.h): Include. + (override_options): Don't set up machine_status hooks. + (alpha_init_machine_status): Remove. + (alpha_mark_machine_status): Remove. + (alpha_free_machine_status): Remove. + (alpha_return_addr): Use get_hard_reg_initial_val. + (alpha_gp_save_rtx): Likewise. + (alpha_ra_ever_killed): Use has_hard_reg_initial_val. + +2001-06-20 Aldy Hernandez <aldyh@redhat.com> + + * config/sh/sh.md (interrupt_function): Use + current_function_interrupt. + (define_delay): Schedule in delay slot if TARGET_SH3, even if it is + an interrupt function. + + * config/sh/sh.h (current_function_interrupt): Define extern. + + * config/sh/sh.c (current_function_interrupt): New global. + (sh_expand_prologue): Set current_function_interrupt. + +2001-06-21 Phil Edwards <pme@sources.redhat.com> + + * doc/install.texi: Add 'c' to list of --enable-languages choices. + +2001-06-21 DJ Delorie <dj@redhat.com> + + * integrate.c (mark_hard_reg_initial_vals): Check for NULL. + + * integrate.c (ggc.h): Include. + (initial_value_pair, initial_value_struct, + setup_initial_hard_reg_value_integration): Add prototypes. + (expand_inline_function): Call + setup_initial_hard_reg_value_integration. + (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val, + get_hard_reg_initial_val, has_hard_reg_initial_val): New functions + to keep track of values present at the start of a function. + (mark_hard_reg_initial_vals): New, for gc. + (setup_initial_hard_reg_value_integration): New. Sets up pseudo + mappings for initial values. + (emit_initial_value_sets): New. Emits code to set initial value + pseudos. + * integrate.h: Add prototypes for new functions. + * function.h (struct function): Add hard_reg_initial_vals field. + * function.c (integrate.h): Include. + (mark_function_status): Call + mark_hard_reg_initial_vals. + * toplev.c (integrate.h): Include. + (rest_of_compilation): Call emit_initial_value_sets. + +2001-06-21 Stan Shebs <shebs@apple.com> + + * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi, + doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi, + doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C" + everywhere instead of "Objective C". + +2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/install-old.texi, doc/install.texi, + doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and + "back end" as nouns and "front-end" and "back-end" as adjectives. + +Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Fix loop bounds. + +Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Run mark_constant_function + before profile-arcs. + +Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_loops_at_level, propagate_freq + estimate_bb_frequencies, count_to_freqs): New functions. + (estimate_probability): Call estimate_bb_frequencies. + * basic-block.h (basic_block_def): Add field "freq". + (BB_FREQ_MAX): New constant. + +Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (barrier_align): Don't ask for alignment when seeing a + branch-around-a-jump from machine_dependent_reorg. + +Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com) + + * ssa.c (rename_block): Update parameter to remove_phi_alternative + (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when + re-running life analysis. + +2001-06-20 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (hash_init): Assume xmalloc always succeeds, + also use memset to clear the hash tables. + (hash_enter): Assume xmalloc always succeeds. + (hash_add_attr): Ditto. + (continue_class): Ditto. + +2001-06-20 Michael Meissner <meissner@redhat.com> + + * builtins.c (predict.h): Include. + (expand_builtin_expect): Update comment. + (expand_builtin_expect_jump): New function to expand + __builtin_expect inside of a conditional jump expansion. + + * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and + __builtin_expect (<test>, 1). + + * Makefile.in (builtins.o): Depend on $(PREDICT_H). + + * rtl.h (expand_builtin_expect_jump): Add prototype. + +2001-06-19 Geoffrey Keating <geoffk@redhat.com> + + * doc/rtl.texi (Machine Modes): Correct description of + floating-point modes on machines with non-8-bit bytes. + +2001-06-19 Bernd Schmidt <bernds@redhat.com> + + * regmove.c (optimize_reg_copy_3): Do nothing if previous insn + carries a REG_EQUIV note. If it carries REG_EQUAL, delete the + note. + +Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com) + + * ssa.c (remove_phi_alternative): Remove declaration. No longer + static. Second argument is a pointer to a basic block structure, + not a basic block index. + (convert_to_ssa): Do not remove dead code. + (convert_from_ssa): Do not remove dead code to create death notes. + * ssa.h (remove_phi_alternative): Declare. + + * flow.c (delete_unreachable_blocks): Fix patch error in + previous change (call to find_unreachable_blocks was lost). + + * ssa.c (ssa_uses): Remove definition. + (apply_delayed_renames): Don't grow ssa_uses. + (rename_block): Remove comment related to ssa_uses. + (rename_registers): Do not initialize ssa_uses. + (convert_from_ssa): Do not free ssa_uses. + + * ssa-dce.c: Renamed from dce.c. + * Makefile.in (OBJS): Replace dce.o with ssa-dce.o + (dependencies): Replace dce.c with ssa-dce.c and dce.o with + ssa-dce.o. + +2001-06-19 Eric Christopher <echristo@redhat.com> + + * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode + and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use + GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD. + +Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (output_branch): Delete bogus code. + + * sh.c (initial_elimination_offset): + Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case. + +Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_unreachable_blocks): New function. + (delete_unreachable_blocks): Use find_unreachable_blocks. + * basic-block.h (find_unreachable_blocks): Declare. + + * dce.c (eliminate_dead_code): Fix formatting glitch. + +2001-06-18 Jason Merrill <jason_merrill@redhat.com> + + * c-common.h (RETURN_NULLIFIED_P): New macro. + * c-semantics.c (genrtl_return_stmt): Check it. + + * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset. + (emit_block_move): Likewise. + +Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz> + + * unroll.c: Include predict.h. + (unroll_loop): Drop prediction notes on preconditioning. + * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION): + New; add comments on the others. + * Makefile.in: (unroll.o): Add dependency on predict.h. + * loop.c (strength_reduce): Fix branch prediction. + +Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz> + + * stmt.c (emit_case_nodes): Optimize test whether index is in given + interval. + +Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Do not bail out early + when note is present. + (combine_predictions_for_insn): Fix note removal code. + +2001-06-18 Ben Elliston <bje@redhat.com> + + * except.c (resolve_fixup_regions): Initialize "cleanup". + +2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS. + +Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR, + use put_var_into_stack. + +2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * gccspec.c (lang_specific_driver): If compiling ObjC, add + -shared-libgcc when necessary. + * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES. + +2001-06-16 Daniel Berlin <dan@cgsoftware.com> + + * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs, + bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit, + bitmap_last_set_bit. All for compatibility with sbitmap's. + + *bitmap.c (bitmap_zero): New function. + (bitmap_union_of_diffs): New function. + (bitmap_first_set_bit): New function. + (bitmap_last_set_bit): New function. + +2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi, invoke.texi: Update. + * cpp.1, gcc.1: Regenerate. + +Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (minsf): Fix splitter. (PR fortran/3191) + +2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cpp.texi: Update. + * doc/cpp.1: Regenerate. + +2001-06-15 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi: Use correct markup hints. + +Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR. + + * explow.c (expr_size): If DECL and size specified, use it. + +2001-06-15 Zack Weinberg <zackw@stanford.edu> + + * doc/cpp.texi: Formatting corrections. + Correct buggy example of use of __GNUC__ etc. + Clarify $ in identifiers. + * doc/cpp.1: Regenerate. + +Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz> + + * optabs.c (expand_twoval_binop): Avoid undefined behavior. + +2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX + etc. spelling. + (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*. + Added Tru64 UNIX V5.1 bootstrap hints. + (Specific, alpha*-*-osf*): Removed old section, obsolete. + +2001-06-15 Andreas Jaeger <aj@suse.de> + + * doc/install.texi (Specific): Mention that glibc cannot be + compiled with GCC 3.0. + +2001-06-14 Andrew Haley <aph@cambridge.redhat.com> + + * combine.c (nonzero_bits): Don't optimize away division by + zero. + +2001-06-15 Zack Weinberg <zackw@stanford.edu> + + * doc/cpp.texi: Revised and brought up to date. + * doc/cpp.1: Regenerate. + +2001-06-15 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi: Update --enable-threads to match reality. + +2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * doc/install.texi: Update for C4x. + * README.C4X: Remove. + +2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi, + doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos. + Consistently use "built-in" and "bit-field". Minor logical markup + improvements. + * doc/gcc.1: Regenerate. + +2001-06-14 Richard Henderson <rth@redhat.com> + + * config/mips/mips.md (exception_receiver): New. + +2001-06-14 Daniel J. Berlin <dan@cgsoftware.com> + + * doc/gcc.texi: Update passes documentation to be more in tune + with reality. + +Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_prologue): Fix merging conflict. + +2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/gcov.texi, doc/install-old.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more + logical markup. Use TeX quotes and dashes. Use @dots{} and + @minus{}. Avoid spaces inside @var. Update last modification + date in gcc.texi. + * doc/gcc.1, doc/gcov.1: Regenerate. + +Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move, + x86_epilogue_using_move): New global variables. + (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred. + (ix86_emit_save_regs_using_mov): New static function. + (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred. + * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE, + MASK_MIX_SSE_I387): Renumber. + (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New. + (x86_accumulate_outgoing_args, x86_prologue_using_move, + x86_epilogue_using_move): Declare. + (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New. + +2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * inclhack.def (hpux10_cpp_pow_inline): New hack. + +2001-06-13 Richard Henderson <rth@redhat.com> + + * ifcvt.c (dead_or_predicable): Fix return value last patch. + +2001-06-13 Mark Mitchell <mark@codesourcery.com> + + * NEWS: Remove. + +2001-06-13 Richard Henderson <rth@redhat.com> + + * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code. + (cond_exec_process_if_block, dead_or_predicable): Likewise. + +2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * mips-tfile.c (copy_object): Always pass indexNil for symbol + table index. + +2001-06-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (OK_FOR_T): Remove. + (EXTRA_CONSTRAINT): Do not use OK_FOR_T. + * config/h8300/h8300.md: Remove alternatives involving inc and dec + in the helper patterns for addhi3 and addsi3. + +2001-06-13 Phil Edwards <pme@sources.redhat.com> + + * doc/contrib.texi: Link to libstdc++'s thanks.html for now. + +2001-06-13 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST. + * libgcc-std.ver: Take out __bb* and __gcc_bcmp. + + * config/t-slibgcc-elf-ver, config/t-slibgcc-sld, + config/alpha/t-osf4, config/mips/t-iris6: Extract all + references to @shlib_map_file@, @shlib_objs@, or + @shlib_base_name@ to Makefile variables. + Bump soname version of libgcc to 1. + +2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Use more logical markup. Include @node + commands in the source when generating any non-HTML. + +2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * README: Remove. Some of the contents moved to ../README. + +2001-06-13 Alexandre Oliva <aoliva@redhat.com> + + * doc/install.texi (--enable-shared): List package names + recognized by GCC. + +2001-06-13 Alexandre Oliva <aoliva@redhat.com> + + * doc/install.texi (ix86-*-solaris*): Removed, outdated. + (*-*-solaris*): Document problem in /bin/sh that affects + configuring libraries. + (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools. + (*-sun-solaris2.8): Document linker problem that explains why + libjava is disabled by default. + +2001-06-09 Mark Mitchell <mark@codesourcery.com> + + Revert this patch: + * toplev.c (rest_of_compilation): Remove dead code before + purge_addressof. + +2001-06-12 Alexandre Oliva <aoliva@redhat.com> + + Reverted: + 2001-06-07 Nathan Sidwell <nathan@codesourcery.com> + * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support. + * configure: Rebuilt. + +2001-06-12 Jim Wilson <wilson@redhat.com> + + * loop.c (strength_reduce): Move bl->all_reduced set before + check_ext_dependant_givs call. + (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs. + +2001-06-12 Alexandre Oliva <aoliva@redhat.com> + + * doc/extend.texi (Function Attributes): Document SH's sp_switch + and trap_exit. + +2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/invoke.texi: Use more logical markup. Use TeX quotes, + dashes and @dots{}. + +2001-06-12 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_prologue): Always use + gen_pro_epilogue_adjust_stack; update arguments. + (ix86_expand_epilogue): Likewise. + (ix86_emit_epilogue_esp_adjustment): Remove. + (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack. + * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode + clobber of scratch memory instead of a modification of EBP as the + barrier. Update all peepholes to match. + +2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Change the font used for @def... commands to a + fixed width font. + * doc/extend.texi: Use more logical markup. Use "built-in" + instead of "builtin". Use @deftypefn to mark up built-in + functions; specify their types in the @deftypefn and not in the + descriptive text. Use TeX quotes and dashes. Add more index + entries. + +2001-06-12 lars brinkhoff <lars@nocrew.org> + + * gcc.texi (HOST_BITS_PER_LONGLONG): Document. + (DIR_SEPARATOR_2): Likewise. + +2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi (--exec-prefix, --bindir, --libdir, + --with-slibdir, --infodir, --mandir, --with-cpp-install-dir): + Document. + (--enable-cpp): Change to document --disable-cpp instead; update + to reflect current default. + (--without-fast-fixincludes): Remove documentation. + (Final install): Document installation directories in more + detail. Document use of make dvi. + +Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Fix previous patch. + +Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Do plus_constant call always. + +Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Allow volatile memory + to be subregged in case we don't have move instruction. + +Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * loop.c: Include predict.h + (strength_reduce): Drop branch prediction note in case + number of iterations is known. + * predict.def (PRED_LOOP_ITERATIONS): new. + * Makefile.in (loop.o): Add dependency on predict.h + +2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P. + + * c-typeck.c (c_start_case): Likewise. + +2001-06-12 Mark Mitchell <mark@codesourcery.com> + + * expr.c (store_field): Don't set MEM_ALIAS_SET for a field + in a structure at a variable address. + +2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcov.texi: Use more logical markup. + +2001-06-11 Mark Mitchell <mark@codesourcery.com> + + * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and + REG_NOTE_KIND, not PUT_MODE and GET_MODE. + (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer + valid. + +2001-06-11 Stan Shebs <shebs@apple.com> + + * config/darwin.h (ASM_FILE_END): Remove decl of language_string. + +2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber + as an early clobber to make sure it is not used by reload in + one of the operands. + +2001-06-11 Mark Mitchell <mark@codesourcery.com> + + * doc/c-tree.texi: Update information about flag_honor_std. + * doc/install.texi: Note that binutils is required on HPUX 11. + * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is + now the default. + + * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of + variable-sized types. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/md.texi: Use TeX dashes and quotes. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/rtl.texi: Reference manual chapter about trees. + +2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define. + (WINT_TYPE): Override. + (WINT_TYPE_SIZE): Likewise. + (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate. + + * config/sparc/sol2.h (WINT_TYPE): Define. + (WINT_TYPE_SIZE): Likewise. + + * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define. + (WINT_TYPE): Override. + (WINT_TYPE_SIZE): Likewise. + (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition. + (CPP_ARCH64_SPEC): Likewise. + +2001-06-11 Richard Henderson <rth@redhat.com> + + * unwind-dw2-fde.c (__deregister_frame_info): Don't play games + with alias attribute. + + * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu). + * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise. + +2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New. + +2001-06-11 Stan Shebs <shebs@apple.com> + + * config/darwin.c (darwin_encode_section_info): Rewrite to simplify + and fix coding mistakes. + +2001-06-11 Nick Clifton <nickc@cambridge.redhat.com> + + * config/m32r/m32r.md (movstrsi_internal): Do not expect a + return string from m32r_output_block_move. + * config/m32r/m32r-protos.h: Make m32r_output_block_move a + void function. + * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove + integer overflow. + (ROUND_ADVANCE): Remove signed/unsigned conflict. + * config/m32r/m32r.c: Declare prototypes for static functions. + (move_src_operand): Replace INT32_P with UINT32_P. + (function_arg_partial_nregs): Fixed signed/unsigned conflict + in initialisation of 'size'. + (m32r_sched_reord): Remove redundant declarations of 'code'. + (m32r_output_block_move): Change to a void function. + (m32r_encode_section_info): Cast return of + TREE_STRING_POINTER to avoid compile time warning. + +2001-06-11 Richard Henderson <rth@redhat.com> + + * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New. + * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default. + (struct machine_function): Add gp_save_rtx. + * config/alpha/alpha.c (alpha_mark_machine_status): Mark it. + (alpha_gp_save_rtx): New. + * config/alpha/alpha-protos.h: Declare it. + * config/alpha/alpha.md (exception_receiver): Make an expander. + Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP. + +2001-06-11 Richard Henderson <rth@redhat.com> + + * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols. + +2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * configure.in: Align --help messages. + Remove trailing full stops. + Consistently use lower case. + Fix DWARF 2 spelling. + * configure: Rebuilt. + +2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and + variants for .cpp/.cp/.c++ files. + Move definition of __LANGUAGE_C_PLUS_PLUS ... + (CPLUSPLUS_CPP_SPEC): ... here. + +Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (duplicate_loop_exit_test): Fix loop header heuristics. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (store_parm_decls): When comparing types in an + old-style function declaration with those from a previous + prototype, compare the unqualified versions of parameter types. + Fixes PR c/3116. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/objc.texi: Use more logical markup. Use TeX dashes. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi: Use more logical markup. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (xref_tag): Don't return previous tags of wrong type. + +2001-06-11 Aldy Hernandez <aldyh@redhat.com> + + * loop.c (scan_loop): Do not combine asm statements. + +2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * simplify-rtx.c (simplify_subreg): Fix offset calculation + for complex values within a CONCAT. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Update details of what components are included + in the GCC distribution. Update default directory for g++ + includes. Update documentation relating to old libio. Adjust + documentation on DejaGnu environment variables. Remove + documentation of --enable-cpplib. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve + markup. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * ifcvt.c (life_data_ok): New. + (merge_if_block): Use it to determine whether to update + global_live_at_end. + (if_convert): Set it. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c. + +2001-06-10 Alexandre Oliva <aoliva@redhat.com> + + * doc/invoke.texi (MN10300 Options): Document -mno-crt0. + (SH Options): Document -mieee. + * doc/install.texi (Final install): Remove obsolete information + about installing cross compilers. + * doc/gcc.1: Rebuilt. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (override_options): Set align_loops, + align_jumps, and align_functions. + * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits. + (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove. + +2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode + are one and two words in size. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * doc/invoke.texi (Optimization Options): Document -fpeephole2. + (Code Generation Options): Document -fnon-call-exceptions. + +2001-06-10 Mark Kettenis <kettenis@gnu.org> + + * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine. + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * m68hc11.md (peepholes): Remove unused and wrong peepholes. + +2001-06-10 Mark Mitchell <mark@codesourcery.com> + Gabriel Dos Reis <gdr@codesourcery.com> + + * Makefile.in (c-parse.o): Depend on diagnostic.h + (dwarf2out.o): Likewise. + + * dwarf2out.c: #include diagnostic.h + + * toplev.h (warningcount, errorcount, sorrycount): Remove + declarations. + + * toplev.c (warningcount, errorcount, sorrycount): Remove + definitions. + + * diagnostic.h (struct output_buffer): Reorder fields. + (diagnostic_kind_count): New macro. + (errorcount, warningcount, sorrycount): Define as macros. + (diagnostic_report_warnings_p): New macro. + (output_state): Add diagnostic_count field. + + * diagnostic.c (warningcount, errorcount, inhibit_warnings): + Remove tentative declaration. + (count_error): Use diagnostic_report_warnings_p. + + * c-parse.in: #include diagnostic.h + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to + prefer a memory for operand 1. + ("*addsi3"): Fix constraints, the '!' was too strong. + ("*addsi3_split"): Accept soft register and split accordingly. + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline): + Move definition in the RTX_CODE section. + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return + address as relative to the argument pointer. + +Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (PRED_OPCODE): Place before call and error_return. + +Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (PRED_CALL, PRED_ERROR_RETURN): New. + * predict.c (estimate_probability): Calculate dominance + information; improve detection of NORETURN heuristics; + add call/error_return heuiristics; tweak comparison heuristics + to recognize -1. + +2001-06-09 Alexandre Oliva <aoliva@redhat.com> + + * doc/invoke.texi (C Dialect Options): Document -aux-info. + (Debugging Options): Document -print-multi-directory and + -print-multi-lib. + * doc/gcc.1: Rebuilt. + + * toplev.c (independent_decode_option): Require `=' between + `-aux-info' and filename in the same argument. + * gcc.c: Don't pass -aux-info=filename twice. + +2001-06-09 Mark Mitchell <mark@codesourcery.com> + + * expr.c (expand_expr, case ARRAY_REF): Do not replace + an array element with the known initializing value if it has + side-effects. + + * toplev.c (rest_of_compilation): Remove dead code before + purge_addressof. + +2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (print_help): Document -fpreprocessed. + * invoke.texi: Similarly. + +Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def: New file. + * predict.h: New file. + * predict.c: Include predict.h. + (predictor_info): New structure and array. + (predict_edge, predict_insn): Rewrite; make global. + (predict_edge_def, predict_insn_def): New global functions. + (dump_prediction, combine_predictions_for_insns): New + static functions. + (estimate_probability): Change calls to predict_edge + to predict_edge_def and calls to predict_insn to predict_insn_def; + combine probabilities. + (expected_value_to_br_prob): Behave as predictor. + * rtl.h (REG_BR_PRED): Update coment. + (invert_br_probabilities): New. + * jump.c: Include predict.h + (duplicate_loop_exit_test): Drop branch prediction notes. + (invert_jump): Use invert_br_probabilities. + * Makefile.in: Add dependency on predict.h for jump and predict pass. + * ifcvt.c (dead_or_predicable): Use invert_br_probabilities. + * combine.c (distribute_notes): Handle BR_PRED. + +Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (predict_insn, predict_edge): New static functions. + (estimate_probability): Revamp to use new functions; + fix loop header heruistics; add loop exist heruistics + +2001-06-09 Alexandre Oliva <aoliva@redhat.com> + + * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above. + +2001-06-09 Peter Jakubek <pjak@snafu.de> + + * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16. + +2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags + for integer operations that don't update C bit. + +2001-06-09 Nicola Pero <nicola@brainstorm.co.uk> + + * gthr-posix.h (__gthread_objc_init_thread_system): If + pthread_key_create fails, it's not clear what the return value is. + This obvious fix makes sure it always returns -1 if a problem + occurs. + +2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Use @defcodeindex for the index of options. Add + more index entries. Use more logical markup where appropriate. + Use TeX quotes and dashes. + +2001-06-09 Benjamin Kosnik <bkoz@redhat.com> + + * unwind-pe.h: Conditionally qualify references to abort with + std::. + +2001-06-09 Julian Foad <julian_foad@hotmail.com> + + * doc/invoke.texi: Remove superfluous text. + +2001-06-08 Richard Henderson <rth@redhat.com> + + * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New. + (LIB_SPEC): Mirror config/linux.h version. + +2001-06-08 Richard Henderson <rth@redhat.com> + + * except.c (get_exception_pointer, get_exception_filter): Take a + struct function. Update all callers. + * except.h (get_exception_pointer): Update declaration. + * expr.c (expand_expr): Update get_exception_pointer call. + * integrate.c (expand_inline_function): Remap the exception pointer + from callee to caller. + +2001-06-08 Mark Mitchell <mark@codesourcery.com> + + * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations + accurately reflect its cv-qualification. + * c-typeck.c (type_lists_compatible_p): Ignore the top-levl + cv-qualifiers on function types. + +2001-06-08 Mark Mitchell <mark@codesourcery.com> + + * basic-block.h: Improve comments. + * except.c (expand_eh_region_end_allowed): Remove redundant call + to do_pending_stack_adjust. + * flow.c (life_analysis): Fix typo in comment. + (calculate_global_regs_live): Add documentation. + (mark_set_1): Likewise. + (debug_regset): Likewise. + * doc/rtl.texi (cond_exec): Document it. + +Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (CONST_COSTS): set cost of constants representable in + immediate fields to 0. + +Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * function.c (diddle_return_value): Kill code to determine + return value before expand_function_end. + (expand_function_end): Delay call to clobber_return_register + after fucntion return value is computed. + + Re-install temporary reverted patch: + * toplev.c (rest_of_compilation): Call split_all_insns + before reg-stack and shorten-branches. Do shorten-branches + after reg-stack. + * final.c (shorten_branches): Remove insn splitting code. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/invoke.texi: Add index of command line + options. Use @opindex to index them rather than other indexing + commands. Use @var{...} instead of <...>. Avoid spaces in names + inside @var. Don't use @kindex to index escape sequences in + source code. + +2001-06-08 Jason Merrill <jason_merrill@redhat.com> + + * stmt.c (current_nesting_level): New fn. + * tree.h: Declare it. + * c-semantics.c (genrtl_compound_stmt): Use it. + + * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P. + +2001-06-08 Jakub Jelinek <jakub@redhat.com> + + * jump.c (mark_modified_reg): Allow jump threading if condition + codes are represented by a hard register. + +2001-06-08 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode + for complex floats passed to unprototyped functions. + +2001-06-08 Mark Mitchell <mark@codesourcery.com> + + * except.c (expand_eh_region_end_allowed): Call + do_pending_stack_adjust as necessary. + +Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * function.c (clobber_return_register): Clobber the pseudo return + register too. + + * sibcall.c (skip_unreturned_value): New function. + (call_ends_block_p): Use it. + + * recog.c (split_insn): Break out from ... + (split_all_insns): ... here; do not use basic block information + when it is broken. + +Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Fix verification of + combined subreg. + +2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling. + Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files. + Move definition of _LANGUAGE_C_PLUS_PLUS ... + (CPLUSPLUS_CPP_SPEC): ... here. + Fixes PRs c++/3047, target/441. + +2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi2html (MAKEINFO): Keep value if set already. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Add trailing slash to URL. + +2001-06-07 Stan Shebs <shebs@apple.com> + + * config/darwin.h (ENCODE_SECTION_INFO): Define. + (REDO_SECTION_INFO_P): Ditto. + (STRIP_NAME_ENCODING): Ditto. + (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO. + (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto. + (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING. + (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto. + * config/darwin.c: No longer include c-tree.h. + (machopic_classify_ident): Rewrite to use symbol encoding. + (lookup_name_darwin): Remove. + (machopic_non_lazy_ptr_name): Handle encoded symbols. + (machopic_stub_name): Use STRIP_NAME_ENCODING. + (machopic_validate_stub_or_non_lazy_ptr): Ditto. + (machopic_finish): Ditto, remove test of decl. + (update_non_lazy_ptrs): New function. + (darwin_encode_section_info): New function. + * config/darwin-protos.h: Declare it. + * config/rs6000/rs6000.c (machopic_output_stub): Use + STRIP_NAME_ENCODING. + +2001-06-07 Mark Mitchell <mark@codesourcery.com> + + * tree.h (DECL_SOURCE_FILE): Improve documentation. + (DECL_SOURCE_LINE): Likewise. + +2001-06-07 Loren J. Rittle <ljrittle@acm.org> + + * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition + from config/elfos.h. + +2001-06-07 Phil Edwards <pme@sources.redhat.com> + + * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here. + * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/contrib.texi: Add copyright notice. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/md.texi: Use four digit years in copyright notice. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc: For $target_alias of athlon-*, set + target_cpu_default2=5. + +Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after + end of last block if last real insn is a JUMP_INSN. + +2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * NEWS: Regenerate. + +2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gthr-posix.h (__gthread_objc_thread_detach): Simply cast + pthread_t to objc_thread_t. + (__gthread_objc_thread_id): Likewise. + +2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition. + (ASM_OLDAS_SPEC): Likewise. + + * alpha/osf.h (CPP_XFLOAT_SPEC): Define. + (CPP_SUBTARGET_SPEC): Use it. + (ASM_OLDAS_SPEC): Define. + (ASM_SPEC): Use it. + (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above. + +2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args, + passed by reference. + +2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup. + Document use of N_(...), and show it in examples. Note that + documentation should be added to invoke.texi. Avoid an overfull + hbox. + +Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Revert previous patch. + * final.c (shorten_branches): Likewise. + +2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c: + Remove. + +2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove more obsolete documentation. + +Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call. + +Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Call split_all_insns + before reg-stack and shorten-branches. Do shorten-branches + after reg-stack. + * final.c (shorten_branches): Remove insn splitting code. + +2001-06-07 Nathan Sidwell <nathan@codesourcery.com> + + * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support. + * configure: Rebuilt. + +2001-06-07 Andreas Jaeger <aj@suse.de> + + * emit-rtl.c (operand_subword): Remove unused variable. + +Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (floatdi?f): Avoid usinf of SSE instructions + if TARGET_64BIT is false. + (floatdi?f_i386_only): New insn. + (floatdi?f_i386): Disable for !TARGET_64BIT. + + * (min?f, max?f splitters): Handle case where + operands are cross-matched. + + * i386.h (HI_REGISTER_NAMES): Remove redundant definition + (MMX_REGISTER_NAMES): Kill. + (PRINT_OPERAND): Fix comment. + (PRINT_REG): Likewise. + * i386.c (print_reg): Kill support for 'm' CODE; simplify. + (print_operand): Update comment; kill 'm'. + + * i386.c (x86_branch_hints): New global variable + (print_operand): Support outputting of branch prediction hints. + * i386.md (conditional jump patterns): Add branch prediction hints + to the template. + * i386.h (x86_branch_hints): Declare + (TARGET_BRANCH_PREDICTION_HINTS): New macro. + (PRINT_OPERAND_FUNCT_VALID_P): New. + * final.c (final_forward_branch_p): New function. + +2001-06-06 Richard Henderson <rth@redhat.com> + + * flow.c (mark_used_reg): Clean up looping over multiple hard + registers. Do conditional life bits across multiple hard regs. + +2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com> + + * reload1.c (reload): Revert Schmidt's change so all USEs are not + deleted during reload. + +2001-06-05 Mark Mitchell <mark@codesourcery.com> + + * c-semantics.c (genrtl_scope_stmt): Write out nested inline + functions here, instead of ... + * c-decl.c (c_expand_body): ... here. + +2001-06-05 David O'Brien <obrien@FreeBSD.org> + + * config.gcc, config/sparc/bsd.h: Do not directly include + sparc/sparc.h. Instead do it via tm_file. + +2001-06-05 Richard Henderson <rth@redhat.com> + + * dwarf2.h (DW_EH_PE_aligned): New. + * dwarf2asm.c (eh_data_format_name): Name it. + (dw2_asm_output_encoded_addr_rtx): Align for it. + * dwarf2out.c (output_call_frame_info): Handle it for personality + routine and LSDA pointers. + + * unwind-pe.h (DW_EH_PE_aligned): New. + (base_of_encoded_value): Handle it. + (read_encoded_value_with_base): Likewise. + * unwind-dw2-fde.c (base_from_object): Likewise. + (get_cie_encoding): Likewise. + + * config/alpha/elf.h: Remove ecoff commentary. + * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + +2001-06-05 David O'Brien <obrien@FreeBSD.org> + + * config.gcc, config/i386/bsd386.h: Do not directly include + i386/386bsd.h. Instead do it via tm_file. + +2001-06-05 David O'Brien <obrien@FreeBSD.org> + + * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same + way svr4.h does. + +2001-06-05 Pascal Obry <obry@act-europe.fr> + + * configure.in: Quote $enable_win32_registry in case the value has + spaces in it. + * configure: Ditto. + +2001-06-05 Mark Mitchell <mark@codesourcery.com> + + * print-rtl.c (xspaces): Remove. + (print_rtx): Use printf field-width, rather than xpsaces, to + indent. + * toplev.c (main): Disable sibling-call optimization if we are + handling exceptions. + +2001-06-05 Bernd Schmidt <bernds@redhat.com> + + * reload1.c (reload): Delete all USEs generated during reload. + +2001-06-05 scott snyder <snyder@fnal.gov> + + * gccbug.in: Fix typo. + +2001-06-05 Andreas Jaeger <aj@suse.de> + + * builtins.def: Fix definition of __builtin_cosf, it uses float as + parameter and return value. + +2001-06-04 Anthony Green <green@redhat.com> + + * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or + machine. This is now done in sparc.h. + +2001-06-05 Nathan Sidwell <nathan@codesourcery.com> + + Correct CVS resurrection of invoke.texi. + * doc/invoke.texi: Document new tree dump flags. + +2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking + for casting an aggregate to its own type. Fixes PR c/2735. + +2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/texinfo.tex: Update to version 2001-05-24.08. + +2001-06-05 Nathan Sidwell <nathan@codesourcery.com> + + * c-common.h (flag_dump_translation_unit): Remove. + (enum tree_dump_index): Define. + (TDF_ADDRESS, TDF_SLIM): New #defines. + (dump_node_to_file): Remove. + (dump_node): Make extern. Add flags. + (dump_flag, dump_enabled_p, dump_begin, dump_end, + dump_switch_p): Prototype. + * c-common.c (flag_dump_translation_unit): Remove. + * c-decl.c (c_decode_option): Remove -fdump-translation-unit + logic. Use dump_switch_p. + * c-dump.h (struct dump_info): Add node and user fields. + (dump_pointer): Declare. + * c-dump.c (dump_node): Make extern. Add flags. + (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines. + (dump_new_line, dump_maybe_newline): Use them. + (dump_pointer): New function. + (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's + chain or function's body. Dump address, if TDF_ADDRESS set. + (dump_flag): Define. + (dump_node_to_file): Remove. + (struct dump_file_info): New struct. + (dump_files): New array. + (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define. + * c-lang.c (finish_file): Adjust dumping. + * toplev.h (dump_base_name): Make extern. + * invoke.texi: Document new flags. + +2001-06-04 Mark Mitchell <mark@codesourcery.com> + + * c-tree.h (lang_decl): Add pending_sizes fields. + * c-decl.c (store_parm_decls): Save pending_sizes away for nested + functions. + (c_expand_body): Expand them. + (lang_mark_tree): Mark lang_decl:pending_sizes. + * function.c (expand_pending_sizes): New function, broken out + from ... + (expand_function_start): ... here. + * tree.h (expand_pending_sizes): Declare it. + +2001-06-04 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi: Update FreeBSD information. Generalize + and update information for alpha-based platforms using ELF. + +2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P. + (store_parm_decls): Likewise. + * c-typeck.c (convert_arguments): Likewise. + +2001-06-04 Richard Henderson <rth@redhat.com> + + * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress + optimization if current_function_calls_setjmp. + +2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for + wide strings. + +Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Fix combining of + paradoxical subregs. + +Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable. + (no_labels_between_p): Short circuit case beg==end. + +Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (operand_preference): Fix preference for objects. + +Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (handle_avail_expr): Be prepared to handle single_set + parallels. + +Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (if_then_else_cond): Use simplify_subreg instead + of operand_subword. + * integreate.c (sub_constants): Likewise. + +Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (constant_subword): Deprecate; remove most of code + and use simplify_gen_subreg. + +Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org> + + * sibcall.c (skip_copy_to_return_value): recognize the situation + when the called function's return value is copied into an + intermediate pseudo, and then into the calling functions return + value register. + +Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify_rtx.c (simplify_subreg): Keep subregs on return values, + check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg, + in case register wasn't OK previously, accept it now; allow + subregs of frame pointer if reload completed and frame pointer + is not needed. + + * combine.c (sombine_simplify_rtx): Fix comment; + use subreg_lowpart_offset instead of subreg_lowpart_p + (gen_lowpart_for_combine): Use subreg_lowpart_offset. + * rtl.h (subreg_lowpart_parts_p): Kill. + (subreg_lowpart_offset, subreg_highpart_offset): Declare. + * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset. + * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset; + (gen_lowpart_common): Likewise. + (subreg_lowpart_p): Likewise. + (subreg_lowpart_parts_p): Kill. + (subreg_lowpart_offset, subreg_highpart_offset): New function. + + * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg + to simplify SUBREG and REG. + (gen_highpart): Use simplify_gen_subreg for all simplifications. + + * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle + CONCAT specially. + + * rtlanal.c (replace_regs): Use simplify_gen_subreg + +Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be. + (ARRAY_RANGE_REF): Added description. + + * tree.def (ARRAY_RANGE_REF): New code. + * alias.c (handled_component_p, can_address_p): Handle it. + * dwarf2out.c (loc_descriptor_from_tree): Likewise. + * explow.c (set_mem_attributes): Likewise. + * expr.c (expand_assignment, get_inner_reference): Likewise. + (expand_expr, expand_expr_unaligned, do_jump): Likewise. + * fold-const.c (operand_equal_p): Likewise. + * tree.c (staticp, stabilize_reference): Likewise. + * varasm.c (decode_addr_const): Likewise. + +Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS. + (push_reload): Handle non-REG in reload_inner_reg_of_subreg case. + +2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * gcc/config/sh/sh.c (print_operand_address, print_operand): Call + mark_constant_pool_use before output_addr_const. + (struct pool_node): New field wend. + (add_constant): Note a sequence of constants that are referenced + by a given label. + (pool_window_label, pool_window_last): New variables. + (dump_table): Emit a unspec_volatile representing the end of a + sequence of constants. + (mark_constant_pool_use): New function. + * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant. + (consttable_2): Add the second operand which flags whether + this consttable entry was used or not. + (consttable_4, consttable_8, consttable_sf, consttable_df): + Likewise. + (consttable_window_end): New insn. + +2001-06-03 Alexandre Oliva <aoliva@redhat.com> + + * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned. + Reformat according to coding standards. + + Warning removal. + * config/sh/sh.c (print_operand_address): Cast INTVAL to int. + (shl_and_kind): Cast wide constant. + (gen_far_branch): Define as static, as in declaration. + (barrier_align): Compute cache-line length as unsigned. Add + parentheses in initial credit computation. + (rounded_frame_size): Add parentheses. + (permanent_obstack): Remove declaration. Include ggc.h for + declaration of ggc_add_root_rtx(). + (get_free_reg): Removed declaration of unused variable reg. + (legitimize_pic_address): Mark mode argument as unused. + +2001-06-03 Igor Shevlyakov <igor@windriver.com> + + * config/sh/sh.c (output_branch): Support for insn with lenght + attr 12 & 16 which represents cond branches outside +-4096 range. + +2001-06-03 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/lib1funcs.asm (ic_invalidate): Align the + cache-mirroring sequence. Add nops. + +2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove more old installation + documentation. + * doc/install.texi: Add relevant parts here. + +2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi2html: New script. + +2001-06-03 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi: Update AIX information again. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/install-old.texi: Remove old system-specific + installation documentation. + * doc/install.texi: Move it to here. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Clean up Texinfo markup. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents + to just after title page. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove documentation of some configuration + options. + * doc/install.texi: Add relevant parts of this documentation here. + +2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers, + Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley. + +Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (all uses of ext_register_operand): Make sure they are + VOIDmode; replace all uses outside zero_extend. + (and?i splitters): Use ext_register_operands. + (test?i peep2): Remove ignored constraints. + * i386.c (ext_register_operand): Check that operand is + either pseudo or hard or 'Q' register. + +Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.h (struct record_layout_info_s): New field unpadded_align. + (set_lang_adjust_rli): New declaration. + * stor-layout.c (layout_decl): If DECL is packed, but at alignment + it would have if not packed, do not downgrade DECL_ALIGN. + (lang_adjust_rli, set_lang_adjust_rli): New. + (start_record_layout): Initialize new field unpadded_align. + (debug_rli): Display it. + (place_union_field, place_field): Set it. + (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set. + + * print-tree.c (print_node): Don't print "regdecl" when bit doesn't + mean that; use proper names instead. + Print DECL_NO_STATIC_CHAIN. + + * except.c (expand_builtin_frob_return_addr): Add missing call + to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED. + (expand_builtin_eh_return): Likewise. + (expand_eh_return): Clean up ptr_mode != Pmode cases. + +2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl> + + * doc/invoke.texi: Remove references to papers about sequence points + to readings.html, refer to that page. + +2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README: Update references to installation instructions. + +2001-06-01 Laurent Guerby <guerby@acm.org> + Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi: Define srcdir when sources come from CVS. + Significantly improve markup. Wrap overly long lines + +2001-06-01 DJ Delorie <dj@redhat.com> + + * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi, + extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, + objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1, + gcov.1: Move to doc subdirectory. + * install.texi: Move to doc/install-old.texi. + * gcc.texi: Move to doc, refer to install-old.texi. + * Makefile.in: Reflect move of docs to doc/. + * f/Make-lang.in: Ditto. + * java/Make-lang.in: Ditto. + * doc/.cvsignore: New. + +2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl> + + * invoke.texi: use two spaces between command options, eliminate + some 'overfull hboxes' + +2001-06-01 Hans-Peter Nilsson <hp@axis.com> + + * Makefile.in (s-mlib): Make backtick-commands always succeed. + (DRIVER_DEFINES): Ditto. + +2001-05-31 Richard Henderson <rth@redhat.com> + + * gcc.c (init_gcc_specs): When linking against libgcc_s.so, + also link against libgcc.a. + +2001-05-31 Geoff Keating <geoffk@cygnus.com> + + * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function. + * config/mips/mips.c (mips_output_ascii): New function. + * config/mips/mips-protos.h (mips_output_ascii): Prototype. + + * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4. + +Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (set_block_for_new_insns): Remove bogus shortcut. + * i386.c (ix86_expand_int_movcc): Force one of operands to be register. + +2001-05-31 Rodney Brown <rbrown64@csc.com.au> + + * install.texi (Configuration): Add html links for --with-gnu-as & + --with-gnu-ld and refer to them from hppa & SCO triplets. + (Specific): Link back to with-gnu-ld for all ELF platfoms. + (Specific): Reword AVR binutils recommendation. + +2001-05-30 Zack Weinberg <zackw@stanford.edu> + + * ggc-page.c (size_lookup): Increase minimum allocation size + to eight bytes. + (ggc_print_statistics): Report size of each bin in bytes, not + as its order; there is no longer a direct relationship. + +2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl> + + * extend.texi: Fix formating of examples, eliminate some + 'overfull hboxes'. + * gcc.texi: Eliminate some 'overfull hboxes'. + * invoke.texi: Use two spaces between command options, eliminate + some 'overfull hboxes'. + +2001-05-30 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1. + +2001-05-30 Tom Tromey <tromey@redhat.com> + + * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix, + use it in the new association. + +2001-05-30 Loren J. Rittle <ljrittle@acm.org> + John David Anglin <dave@hiauly1.hia.nrc.ca> + + * gthr-posix.h (__gthread_active_ptr): Cast function pointer + to target type to allow ISO C++ compiler to accept it. + * gthr-dce.h (__gthread_active_ptr): Likewise. + * gthr-solaris.h (__gthread_active_ptr): Likewise. + +2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001 + so that we do accept comments in preprocessed input. + +2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.c (alloc_node): Cast allocated pointer. + +2001-05-30 Gordon Sadler <gbsadler1@lcisp.com> + + * invoke.texi (Option Summary): Remove -isystem-c++ from options. + +2001-05-29 Stan Shebs <shebs@apple.com> + + * gcc.texi: Add links for information about Objective-C. + +2001-05-29 Nathan Sidwell <nathan@codesourcery.com> + + * configure.in (gcc_version): Remove unrequired \ on ". (Solaris + /bin/sed fails on [^\"]). + (configargs.h): Likewise. + +2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de> + + * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF. + +2001-05-28 Stan Shebs <shebs@apple.com> + + * objc/objc.gperf: Remove, no longer used. + +2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi, + gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi: + Remove trailing whitespace. + +2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/ + became http://freeware.sgi.com/. + +2001-05-27 Geoffrey Keating <geoffk@redhat.com> + + * local-alloc.c (update_equiv_regs): Don't eliminate constant + expressions at -O0. + +2001-05-27 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c: Add/fix various comments. + (init_selector): Remove, no longer used. + (build_msg_pool_reference): Ditto. + (objc_debug): Ditto. + +2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (init_decl_processing): + Don't call start_identifier_warnings. + * flags.h (warn_id_clash, id_clash_len): Remove. + * stringpool.c: Don't include flags.h. + (scan_for_clashes, do_identifier_warnings, + start_identifier_warnings): Remove. + * toplev.c (warn_id_clash, id_clash_len): Remove. + (display_help): Don't document -Wid-clash. + (decode_W_option): Print warning on -Wid-clash. + * tree.h (start_identifier_warnings): Remove. + * invoke.texi: Remove documentation of -Wid-clash. + +2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/fixtests.c: Declare entries in ENV_TABLE. + +2001-05-27 Bruce Korb <bkorb@gnu.org> + + * fixinc/check.tpl(HACK) add and use a Scheme variable + (has no test text): error out if no "test_text" is defined + * fixinc/fixincl.tpl: likewise + (FIXIDX): make it an enumeration so we minimize diffs + * fixinc/inclhack.def: re-alphabetize and add sort instructions + * fixinc/fixincl.x: regenerate + * fixinc/tests/base/stdio.h: test output got moved due to + the alphabetizing + * README-fixinc: rewrite (mostly) + +2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (run_directive): Set pfile->directive. + +2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * c-tree.texi: Reformat the manual as a single chapter now + included by gcc.texi. + * gcc.texi: Include c-tree.texi. Merge all indexes. + * Makefile.in (dvi): Add generation for the cppinternals + documentation. Added dependencies on fdl.texi and c-tree.texi + where appropriate. Use TEXI2DVI instead of custom tex calls. + (info): Added dependencies on fdl.texi and c-tree.texi where + appropriate. Remove the target c-tree.info. + +2001-05-27 Lars Brinkhoff <lars@nocrew.org> + + * combine.c (try_combine): Fix typo in comment. + * expr.c (expand_expr): Likewise. + * config/i370/i370.md (untyped_call): Likewise. + +2001-05-26 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX" + when fixincl is operating in test mode + * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics + (AAB_ultrix_limits): remove redundant text + (AAB_ultrix_memory): ditto + (AAB_ultrix_string): ditto + (djgpp_wchar_h): fix the test text + (irix_stdio_va_list): add test text + (irix_limits_const): add a testing output file (limits.h is overwritten) + (strict_ansi_not_ctd): put limits.h second in list for same reason + (solaris27_mutex_init): test text needed selection text, too + + * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX" + when fixincl is operating in test mode + +2001-05-26 Philip Blundell <philb@gnu.org> + + * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H. + * config/i960/i960-protos.h: Likewise. + * config/i370/i370-protos.h: Likewise. + * config/h8300/h8300-protos.h: Likewise, + * config/sh/sh-protos.h: Likewise. + * config/v850/v850-protos.h: Likewise. + +2001-05-26 Philip Blundell <philb@gnu.org> + + * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H. + +2001-05-25 Zack Weinberg <zackw@stanford.edu> + + * toplev.c (debug_args, f_options, W_options): Mark + descriptions for translation. + (display_help): Translate descriptions on output. + + * cp/lang-options.h, f/lang-options.h, java/lang-options.h, + objc/lang-options.h: Mark descriptions for translation. + + * aclocal.m4: Quote final argument of patsubst. Use + 3-argument form of AC_DEFINE. Restore quotes to [] while + using AC_FD_CC. + * configure.in: Remove unnecessary changequote calls. + * configure, config.in: Regenerate. + +2001-05-25 Sam TH <sam@uchicago.edu> + + * basic-block.h: Fix header include guards. + * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h + cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h + except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h + gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h + gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h + insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h + rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h + varray.h version.h: Likewise. + * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h + config/arm/arm.h config/c4x/c4x-protos.h + config/h8300/h8300-protos.h config/h8300/h8300.h + config/i370/i370-protos.h config/i370/i370.h + config/i960/i960-protos.h config/mcore/mcore.h + config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h + config/v850/v850-protos.h config/v850/v850.h: Likewise. + * fixinc/fixlib.h fixinc/server.h: Likewise. + +2001-05-25 Stacey Sheldon <ssheldon@Catena.com> + + * config/arc/initfini.c (.init): Fix typo. + +2001-05-25 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * libgcc-std.ver: Export XFmode and TFmode versions of symbols. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux. + (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld. + (sparc*-*-solaris2): Likewise. + * config/t-linux: Remove shared libgcc macros. + * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc. + * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld. + +2001-05-25 Loren J. Rittle <ljrittle@acm.org> + + * config.gcc (*-*-freebsd*): Report bad configuration. + +2001-05-25 David Edelsohn <edelsohn@gnu.org> + + * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker. + + * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have + any prefix. + (ASM_OUTPUT_LABELREF): Delete. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd, + strict_ansi_only): Don't run if stdc_0_in_system_headers. + * fixinc/fixincl.x: Regenerate. + * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function. + (FIX_TEST_TABLE): Declare it. + * fixinc/fixlib.h: Include config.h. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (alpha___assert): Change char * args to + const char * on Tru64 UNIX to avoid excessive warnings from + assert.h. + * fixinc/fixincl.x: Regenerate. + +2001-05-25 Geoff Keating <geoffk@redhat.com> + + * dbxout.c (dbxout_symbol): Invert previous patch, which was + outputting a tag only for variable-size records. + +2001-05-25 Jeff Knaggs <jknaggs@redhat.com> + + * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p + instead of rtx_equal_p for early clobber test. + +2001-05-26 Mark Mitchell <mark@codesourcery.com> + + * builtins.def: Encode additional information, such as names and + types, here. + * builtin-types.def: New file. + * builtins.c (built_in_names): Adjust use of DEF_BUILTIN. + (built_in_decls): Likewise. Don't explicitly initialize global + data to NULL. + (expand_builtin_mathfn): Handle float and long double variants of + math builtins. + (expand_builtin): Likewise. + * c-common.c (c_common_nodes_and_builtins): Make it table-driven. + (expand_tree_builtin): Handle long, long long, float, and long + double variants of math functions. + * c-common.h (c_tree_index): Remove some unused nodes. + (void_ftype): Remove. + (void_type_ptr): Likewise. + (int_ftype_int): Likewise. + (ptr_ftype_sizetype): Likewise. + * c-decl.c (init_decl_processing): Remove creation of DWARF + builtins. + * defaults.h (MD_INIT_BUILTINS): Provide default definition. + * tree.h (built_in_function): Adjust definition of DEF_BUILTIN. + * Makefile.in (c-common.o): Depend on builtin-types.def. + +2001-05-25 Dale Johannesen <dalej@apple.com> + + * config/rs6000/t-darwin: Fix dependencies for darwin.o. + +2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (notype_initdcl): Remove redundant line. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * aclocal.m4: Fixed typo. + (gcc_AC_HEADER_STDBOOL): Define. + (gcc_AC_C__BOOL): Define. + * configure.in: Use them. + (AC_CHECK_HEADERS): Remove stdbool.h + * configure, config.in: Regenerate. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_start): Don't abort on PARALLEL + returns from hard_function_value. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md: Revert previous change. Do not apply + the peephole if the components do not die after the sequence. + +2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (array_declarator): New. Handle C99 constructs. + Don't restrict [*] declarators to C only. + (after_type_declarator, parm_declarator_starttypename, + parm_declarator_nostarttypename, notype_declarator, + direct_absdcl1): Use it. + * c-decl.c (build_array_declarator, set_array_declarator_type): + New functions. Warn that [*] isn't properly implemented; pedwarn + for [*] outside C99 mode if pedantic rather than giving a hard + error. + (grokdeclarator): Handle static and type qualifiers in parameter + array declarators. + * c-tree.h (build_array_declarator, set_array_declarator_type): + Declare. + * extend.texi (Attribute Syntax): Document attributes in parameter + array declarators. + +2001-05-25 Mark Mitchell <mark@codesourcery.com> + + * config/i386/i386.md: Make sure cmpstr peepholes do not + affect liveness information. + +2001-05-24 Mark Mitchell <mark@codesourcery.com> + + * c-typeck.c (digest_init): Issue error messages about + invalid constants, not warnings. + +2001-05-24 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (-fno-builtin): Document that this is always on + in C++. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is + required. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (output_return_instruction): Correctly handle + interworking and interrupt functions. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for + -m{no-}sched-prolog. Fix typos and improve formatting. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * invoke.texi (ARM Options): Improve wording slightly. Add + documentation for more options, including those for Thumb mode. + Don't mention options that don't exist or are unimplemented. + (Thumb Options): Delete; merged into above section. + +2001-05-24 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define. + (MD_FALLBACK_FRAME_STATE_FOR): Use it. + +Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification; + fix hard register simplification. + +Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead + of just copying CPP_CPU_SPEC. + +Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (incdec_operand): Accept only 1 and -1. + +2001-05-23 Kelley Cook <kelley.cook@home.com> + + * Makefile.in: Move many of the *_H definitions eariler in the + file, so that rules in t-* files that use them for + dependencies will work in a parallel build. + * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H). + +2001-05-23 Richard Henderson <rth@redhat.com> + + * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT. + +2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for handling of charconsts. + * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update + diagnostics. Skip to the end if the UCS is too short. + (cpp_interpret_charconst): Long charconsts issue a warning + not an error. + +2001-05-23 Richard Henderson <rth@redhat.com> + + * doc/install.texi (alpha-linux): Require binutils 2.11. + +2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (read_escape, read_ucs): Delete. + (lex_string): Use cpp_parse_escape. + * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing + if not C++ or not C99. Warn if traditional. + (parse_escape): Rename cpp_parse_escape. Make the bitmask + unsigned. Warn for out-of-range escape sequences here. + Update to use maybe_read_ucs. + (cpp_interpret_charconst): Don't warn here. + * cpplib.h (cpp_parse_escape): New exported function. + +2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi (Attribute Syntax): Clarify application of + attributes to parameters declared as functions or arrays. + +2001-05-23 Jason Merrill <jason_merrill@redhat.com> + + * dbxout.c (dbxout_type_methods): Do still group methods by name. + +2001-05-23 Zack Weinberg <zackw@stanford.edu> + + * diagnostic.c (vnotice): Kill. + (fnotice): Call vfprintf directly. + (diagnostic_for_decl, output_do_verbatim, output_verbatim, + verbatim, set_diagnostic_context): Rename string argument to + indicate that it is run through gettext. + (vbuild_message_string, build_message_string, output_do_printf): + Rename string argument to indicate that it is NOT run through + gettext. + (output_printf, diagnostic_for_decl, fatal_io_error, sorry, + output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn): + Run msgid argument through gettext. + (default_print_error_function): Run constant strings through + gettext when nothing else will. + (fatal_error, internal_error, error_recursion): Use fnotice. + Present complete sentences to gettext. + +2001-05-23 Mark Mitchell <mark@codesourcery.com> + + * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change. + +2001-05-23 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_start): Always use a pseudo + for the function result value. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the + section pointer alignment. + + * doc/install.texi (alpha-linux): Require binutils >= 2.10. + + * unwind-dw2-fde.c (__deregister_frame_info): Stringize use + of __USER_LABEL_PREFIX__. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favor of... + (__deregister_frame_info_bases): New. + * unwind-dw2-fde.h: Declare it. + * libgcc-std.ver: Export it. + * crtstuff.c (__do_global_dtors_aux): Call it if we would have + called __register_frame_info_bases. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + + * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair + instead of #elif (which is OK for this case but not in general). + +2001-05-22 Andrew MacLeod <amacleod@redhat.com> + + * builtins.c (expand_builtin_longjmp): A longjmp can be a call too. + * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer + parameters to __ia64_nonlocal_goto. Flag as NO_RETURN. + * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing + "r2" to the assembly file. Only issue allocs with nonzero parameters. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + David O'Brien <obrien@freebsd.org> + + * config/freebsd.h (LIB_SPEC): Key the exact setting to + configure-time options and target version of FreeBSD. Set-up + to match architectural change in threading support. Correctly + report when -pthread option is not supported by configure-time + options. + (FBSD_CPP_PREDEFINES): Move from architecture-specific files + and extend to encode target version number in run-time setting + of __FreeBSD__ macro to match the system compiler. + (CPP_PREDEFINES): Likewise. + (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG. + + * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h. + * config/i386/freebsd.h (CPP_PREDEFINES): Likewise. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + David O'Brien <obrien@freebsd.org> + + * config.gcc (the unlabeled system switch statement): Add + generic configuration section to handle *-*-freebsd*. Also, + to match the system compiler, default to threading support (it + may be disabled with the standard --disable-threads + configuration-time switch). + (i[34567]86-*-freebsd* in machine-specific section): Use it. + (alpha*-*-freebsd* in machine-specific section): Likewise. + + * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3). + * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4). + * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5). + * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6). + * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + David O'Brien <obrien@freebsd.org> + + * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC. + * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add + -pthread instead setting macro. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * crtstuff.c (__register_frame_info_bases): Declare. + (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA. + (__do_global_dtors_aux, __do_global_dtors): Streamline. + + * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New. + (CRT_GET_RFIB_DATA): New. + * config/i386/sysv4.h: Likewise. + * config/i386/sco5.h: Likewise. + (ASM_PREFERRED_EH_DATA_FORMAT): New. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * rtl.c (read_string): Break out from ... + (read_rtx): ... here. + +2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific): Remove a bogus and duplicate part + copied from the end of the document. + +2001-05-22 Bernd Schmidt <bernds@redhat.com> + + * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency. + +2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * install.texi: Remove obsolete information on SunOS as well as + i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*. + (Installing GNU CC on the Sun): Remove section. + +2001-05-22 Alexandre Oliva <aoliva@redhat.com> + + * cppfiles.c (remove_component_p): Don't assume lstat/stat will + keep errno unchanged on success. + +2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly + once for hexadecimal floats, whether or not they contain a decimal + point. Don't let the setting of pedantic otherwise affect the + parsing of hexadecimal floats. + +2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.ACORN: Remove obsolete file. + +2001-05-22 Jan Hubicka <jh@suse.cz> + + * combine.c (gen_binary): Use swap_commutative_operands_p + (simplify_comparison): Likewise. + * expmed.c (emit_store_flag): Likewise. + * expr.c (compare_from_rtx): Likewise. + (do_compare_rtx_and_jump): Likewise. + * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort + if not emitting a branch and operands want swapping. + +2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one. + * stringpool.c: (IS_FE_IDENT, make_identifier): Delete. + (maybe_get_identifier): Update. + * tree.h (make_identifier): Delete. + +2001-05-21 Richard Henderson <rth@redhat.com> + + * combine.c (subst): Do not substitute for a register as + a destination subreg/strict_low_part/zero_extract. + + * combine.c (simplify_comparison): Update op1 after constant + extension. + * recog.c (const_int_operand): Accept only constants valid + for the given mode. + * genrecog.c: Update comments wrt const_int_operand. + + * emit-rtl.c (init_emit_once): Zero unused memory in a + CONST_DOUBLE. + +2001-05-21 Mark Mitchell <mark@codesourcery.com> + + * tree.h (type_num_arguments): Declare it. + * tree.c (type_num_arguments): New function. + +2001-05-21 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (current_funcdef_number): Move outside dwarf2 + conditional ifdef. + +2001-05-21 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax. + (maxsf3+1): Delete. + (minsf3): Use rs6000_emit_minmax. + (minsf3+1): Generalize to handle both SMIN and SMAX. Use + rs6000_emit_minmax. + (movsfcc): Use rs6000_emit_cmove. + (fselsfsf4): Don't compare a CONST_INT with a floating-point value. + Don't generate emit_fselsfsf4. + (fseldfsf4): Likewise. + (maxdf3): Use rs6000_emit_minmax. + (maxdf3+1): Delete. + (mindf3): Use rs6000_emit_minmax. + (mindf3+1): Generalize to handle both SMIN and SMAX. Use + rs6000_emit_minmax. + (movdfcc): Use rs6000_emit_cmove. + (fseldfdf4): Don't compare a CONST_INT with a floating-point value. + Don't generate emit_fselsfsf4. + (fselsfdf4): Likewise. + * config/rs6000/rs6000.c (zero_fp_constant): New predicate. + (min_max_operator): New predicate. + (rs6000_emit_cmove): New function. + (rs6000_emit_minmax): New function. + * config/rs6000/rs6000-protos.h: Prototype new functions. + * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant + and min_max_operator. + + * config/rs6000/rs6000.c (output_cbranch): Handle all + conditional types in the switch statement. + +2001-05-21 Mark Mitchell <mark@codesourcery.com> + + * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for + non-register variables. + * extend.texi: Document that asm-specifications do not make sense + for non-static local variables. + +2001-05-21 Jason Merrill <jason_merrill@redhat.com> + + * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose. + (dbxout_type_fields): Lose minimal_debug support. + (dbxout_type_methods, dbxout_type): Likewise. + +2001-05-17 Andrew Haley <aph@redhat.com> + + * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + +2001-05-21 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION. + Update all users. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION, + DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, + DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users. + * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION, + DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION): + Likewise. + * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION, + DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION, + DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above. + (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New. + * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION, + DEBUG_PUBNAMES_SECTION): Rename as above. + (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative + operands unless the operation is commutative. + +2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative + cases. + +2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi: Clarify documentation of extensions included in ISO + C99. Prefer C99 terminology and syntax to old GNU terminology and + syntax. Add more index entries. Document mixed declarations and + code as an extension in C89 mode. Warn about future changes to + semantics of inline functions. Fixes PR other/930. + +Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case ARRAY_REF): Don't fold constant + access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER. + (expand_expr, case COMPONENT_REF): Do copy if misaligned even + if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER. + + * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * sched-deps.c (sched_analyze_insn): Force volatile memory reads + to be output before a branch. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * Makefile.in (dwarf2asm.o): Depend on $(TREE_H). + +2001-05-20 Richard Henderson <rth@redhat.com> + + * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t. + (ASM_DOUBLE): Remove. + * config/i386/bsd.h, config/i386/sco5.h: Likewise. + * config/i386/sun386.h: Likewise. + + * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New. + (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New. + + * config/i386/cygwin.h (INT_ASM_OP): Remove. + * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise. + * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise. + * config/i386/netbsd.h, config/i386/openbsd.h: Likewise. + + * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t. + * config/i386/djgpp.h, config/i386/i386.h: Likewise. + * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise. + * config/i386/sco5.h, config/i386/svr3gas.h: Likewise. + * config/i386/sysv4.h, config/i386/vsta.h: Likewise. + * config/i386/win32.h: Likewise. + +2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Add more options to summary list. + +2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Document meaning of -pedantic when -std=gnu* is + used. Fixes PR c/2291. + * gcc.1: Regenerate. + +2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore + the -fpic and -fPIC options, clear flag_pic. + +2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * hashtable.c (calc_hash): Fix HASHSTEP definition. + * stringpool.c (make_identifier): No statistics here anymore. + * objc-act.c (steup_string_decl): Remove redundant check. + +2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS, + cpplib.o, cpphash.o, fix-header): Update. + (hashtable.o): New target. + * c-common.h: Include cpplib.h. Define C_RID_CODE and + struct c_common_identifier here. + * c-lang.c (c_init_options): Update. Call set_identifier_size. + * c-lex.c (c_lex): Update. + * c-pragma.h: Update. + * c-tree.h (struct lang_identifier): Contain c_common_identifier. + Delete rid_code. + (C_RID_CODE): Delete. + * cpphash.c: Rewrite to use hashtable.c. + * cpphash.h: Update include guards. + (struct cpp_reader): Remove hashtab. + hash_ob and buffer_ob are no longer pointers. Add hash_table + and our_hashtable. + (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete. + (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable. + (_cpp_cleanup_stacks): Rename _cpp_init_directives. + * cppinit.c (cpp_create_reader): Update. + * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update. + (cpp_interpret_charconst): Eliminate warning. + * cpplib.c (do_pragma, do_endif, push_conditional, + cpp_push_buffer, cpp_pop_buffer): Update. + (_cpp_init_stacks): Rename cpp_init_directives. + (_cpp_cleanup_stacks): Remove. + * cpplib.h: Update include guards. Include tree-core.h and c-rid.h. + (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME, + cpp_forall_identifiers, cpp_create_reader): Update. + (C_RID_CODE, cpp_make_node): New. + (c_common_identifier): New identifier node for C front ends. + * cppmain.c (main): Update. + * fix-header.c (read_scan_file): Update. + * flags.h (id_clash_len): Make unsigned. + * ggc.h (ggc_mark_nonnull_tree): New. + * hashtable.c: New. + * hashtable.h: New. + * stringpool.c: Update comments and copyright. Update to use + hashtable.c. + * toplev.c (approx_sqrt): Move to hashtable.c. + (id_clash_len): Make unsigned. + * toplev.h (ident_hash): New. + * tree.c (gcc_obstack_init): Move to hashtable.c. + * tree.h: Include hashtable.h. + (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update. + (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New. + (struct tree_identifier): Update. + (make_identifier): New. +cp: + * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update. + (C_RID_CODE): Remove. + * lex.c (cxx_init_options): Call set_identifier_size. Update. + (init_parse): Don't do it here. +objc: + * objc-act.c (objc_init_options): Call set_identifier_size. Update. + +Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com> + + * except.c (dw2_build_landing_pads): Use word_mode, not Pmode, + as ncessary. + (expand_eh_return): Convert between word_mode and Pmode. + * unwind-dw2.c (extract_cie_info): Do not assume words and pointers + are the same size. + (execute_stack_op): Likewise. + (execute_cfa_program): Likewise. + (uw_frame_state_for): Likewise. + (uw_update_context_1): Likewise. + * unwind.inc (_Unwind_Reason_Code): Likewise. + * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define. + (EH_RETURN_STACKADJ_RTX): Likewise. + * config/mips/mips.c (compute_frame_size): Make space for saving + EH return registers. + (mips_expand_epilogue): Handle EH stack adjustments. + * config/mips/mips.md (eh_return): New pattern. + (eh_set_lr_si): Likewise. + (eh_set_lr_di): Likewise. + Add splitter to perform EH return after reload. + +2001-05-19 Mark Mitchell <mark@codesourcery.com> + + * jump.c (mark_jump_label): Tidy previous change. + +2001-05-19 Bruce Korb <bkorb@gnu.org> + + * fixinc/genfixes: no need for two warnings + * fixinc/Makefile.in: open stdin for those building with a closed one. + +2001-05-19 Mark Mitchell <mark@codesourcery.com> + + * jump.c (jump_optimize_1): Tidy. + (mark_jump_label): When changing the label in a LABEL_REF, change + update any REG_EQUAL notes as well. + +2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (parm_declarator): Split into + parm_declarator_starttypename and parm_declarator_nostarttypename. + (parm_declarator_starttypename, parm_declarator_nostarttypename): + New. Allow parenthesized sub-declarators which don't begin with a + TYPENAME. Fixes PR c/166. + +2001-05-19 Mark Mitchell <mark@codesourcery.com> + + * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New + macro. + * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): + Document it. + * toplev.c (main): If the target does not allow profiling without + a frame pointer, issue an error message. + * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): + Define it to false. + +Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * recog.c (general_operand): Modify last change to allow it if reload + has completed. + +Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (general_operand): Prohibit nonzero subreg bytes on + subregs containing mem. + +Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru> + + * regrename.c (regrename_optimize): frame pointer register can + use a few hardregs. + +2001-05-18 Jason Merrill <jason_merrill@redhat.com> + + * README.DWARF: Move into dwarfout.c. + +2001-05-18 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin + specific misuse of r0 as a reload address. + +Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Clear op0_mode if simplification + succeeded. + +Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe. + (add_to_sequence): Make that decision type. + (maybe_both_true_2, nodes_identical_1, factor_tests): Use it. + (write_switch, write_cond, debug_decision_2): Likewise. + + * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing + for INTEGER_TYPE. + (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of + variable size. + +2001-05-18 Stan Shebs <shebs@apple.com> + + * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers. + * configure: Regenerate. + +2001-05-18 Per Bothner <per@bothner.com> + + Changes needed for java/jvspec.c + * gcc.h (n_infiles, outfiles): Add declarations. + * gcc.c (n_infiles, outfiles): Mske no longer static. + +Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (EXCEPTION_SECTION): Define. + +2001-05-18 Daniel Berlin <dan@cgsoftware.com> + + * dwarf2out.c: Add dw_loc_list_ref, a reference to a location + list. + Add have_location_lists, a variable to determine whether we need a + .debug_loc section or not. + (enum dw_val_class): Add dw_val_class_loc_list. + (dw_val_struct): Add val_loc_list. + (dw_loc_list_struct): New structure, represents location lists. + (new_loc_list): New function, return a new location list, given + the range and location expression. + (add_loc_descr_to_loc_list): New function, add a location + expression to a location list, given the expression and range. + (output_loc_list): New function, output a location list. + (gen_internal_sym): Modified to take symbol prefix, so we can + reuse it for location list symbols. + (add_AT_loc_list): New function, add a location list to a DIE at + the named attribute. + (AT_loc_list): New function, return the location list reference + for a given attribute, if it's a location list. + (print_die): Handle dw_val_class_loc_list. + (size_of_die): Ditto. + (value_format): Ditto. + (output_die): Ditto. + (output_location_lists): New function, output all of the location + lists for a DIE and it's children. + (dwarf2out_finish): Call output_location_lists if we have location + lists. + + +Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (try_replace_reg): First try global replace, later try to + simplify the expression. + + * gcse.c (find_used_regs): Change calling convention; work via + note_uses. + (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too. + +2001-05-18 Bernd Schmidt <bernds@redhat.com> + + Revert + 2001-02-09 Nick Clifton <nickc@redhat.com> + * config/arm/arm.md: Change output constraint on post inc + load/store multiple patterns to be a read/write constraint. + +2001-05-18 Mark Mitchell <mark@codesourcery.com> + + * basic-block.h (struct basic_block_def): Add documentation about + what a basic block is, and what the various fields are used for. + * flow.c (calculate_globlal_regs_live): Add documentation about + how the algorithm works, and how we know that it will terminate. + Check that the inductive assumption that guarantees termination + actually holds. + (mark_used_regs): Treat conditionally set registers as used. + (debug_regset): Add comment. + * rtl.texi (cond_exec): Add documentation. + + * function.c (expand_function_start): Avoid creating BLKmode + pseudos. + +2001-05-17 Mark Mitchell <mark@codesourcery.com> + + * dwarf2out.c (output_comp_unit): Always output a compilation-unit + DIE, even if it has no children. + (dwarf2out_finish): Always output the line-number table, even if + it has no content. + +2001-05-18 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movsfcc,movdfcc): Remove NE case. + +2001-05-17 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template + * fixinc/genfixes: emit a warning if AutoGen is out of date + +2001-05-17 Brendan Conoboy <blc@cygnus.com> + Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not + found in fixinc directory. Facilitates binary distributions. + +2001-05-17 Jeffrey Oldham <oldham@codesourcery.com> + + * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not + COMPLEX_TYPE. + +Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl> + + * dwarf2out.c (modified_type_die): Equate qualified type to die. + +Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg. + (simplify_subreg): Handle complex types represented as CONCAT. + + * recog.c (validate_replace_rtx_1): Properly canonicalize expression + * rtl.h (swap_commutative_operands_p): Declare. + * rtlanal.c (swap_commutative_operands_p): New. + (operand_preference): New static function. + + * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p. + (gen_binary): Likewise. + * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise. + * simplify-rtx.c (simplify_gen_binary, + simplify_gen_relational): Likewise. + +Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (fold_rtx): Use simplify_subreg. + + * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg. + (simplify_gen_subreg): New. + (simplify_rtx): Use simplify_subreg. + * rtl.h (simplify_gen_subreg): Declare. + +2001-05-17 Mark Mitchell <mark@codesourcery.com> + + * doc/install.texi: Update Solaris information. + + * except.h (protect_cleanup_actions): Remove it. + (lang_protect_cleanup_actions): Declare it. + * except.c (protect_cleanup_actions): Remove it. + (lang_protect_cleanup_actions): New variable. + (init_eh): Don't make protect_cleanup_actions a GC root. + (expand_eh_region_and_cleanup): Call + lang_protect_cleanup_actions. + (output_function_exception_table): Remove unused `align' + variable. + * varasm.c (assemble_external): Abort if we have not yet + opened the assembly output file. + +Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com) + + * except.c (sjlj_emit_function_enter): Call assemble_external_libcall + for eh_personality_libfunc. + +Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode + when calling simplify_subreg. This is needed to allow replacing + of expression of one mode by expression of different mode. + +Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs. + +2001-05-17 Bernd Schmidt <bernds@redhat.com> + + * expr.c (protect_from_queue): Protect against subsequent calls to + emit_queue. + (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being + too clever. + +Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs. + +2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gccbug.in (CATEGORIES): Add "bootstrap". + +Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Break out from ... + * combine.c (combine_splify_rtx) ... here and ... + * recog.c (validate_replace_rtx_1): ... here; + * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare. + * emit-rtl.c (subreg_lowpart_parts_p): Break out from ... + (subreg_lowpart_p): ... here. + +2001-05-17 Bernd Schmidt <bernds@redhat.com> + + * stmt.c (expand_asm_operands): For inout operands, make sure + the substitution of '=' for '+' makes it into the rtl. + + * reload1.c (delete_output_reload): Call eliminate_regs on substed. + (reload_as_needed): Call update_eliminable_offsets a bit later. + +2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gcc.texi (gccbug): Refer to the web pages for detailed information + on GNATS. + +2001-05-16 Zack Weinberg <zackw@stanford.edu> + + * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file. + + * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR, + OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1, + LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test, + libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists. + * cross-make: Don't set LIBGCC1. + * mklibgcc.in: Delete all code for building from libgcc1.c. + Always honor LIB1ASMFUNCS if set. + + * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c, + config/arc/lib1funcs.asm, config/arm/lib1funcs.asm, + config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm, + config/h8300/lib1funcs.asm, config/i386/cygwin.asm, + config/i386/uwin.asm, config/m68hc11/larith.asm, + config/m68k/lb1sf68.asm, config/mcore/lib1.asm, + config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm, + config/sparc/lb1spc.asm, config/sparc/lb1spl.asm, + config/v850/lib1funcs.asm, config/c4x/libgcc.S: + Delete or update references to libgcc1 in commentary. + + * config/t-libc-ok, config/t-linux, config/t-linux-aout, + config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k, + config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms, + config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff, + config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe, + config/arm/t-semi, config/arm/t-strongarm-coff, + config/arm/t-strongarm-elf, config/arm/t-strongarm-pe, + config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr, + config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30, + config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin, + config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware, + config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2, + config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64, + config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx, + config/m68k/t-m68kbare, config/m68k/t-m68kelf, + config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas, + config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug, + config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs, + config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k, + config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore, + config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas, + config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf, + config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3, + config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas, + config/mips/t-ultrix, config/mn10200/t-mn10200, + config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64, + config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro, + config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43, + config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas, + config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux, + config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf, + config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare, + config/sparc/t-sparclite, config/sparc/t-splet, + config/sparc/t-sunos41, config/sparc/t-vxsparc, + config/sparc/t-vxsparc64, config/v850/t-v850: + Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST. + + * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h: + Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY. + * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE, + FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY, + nongcc_SI_type, nongcc_word_type, or perform_* + * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3. + + * config/i386/386bsd.h, config/i386/beos-elf.h, + config/i386/linux-aout.h, config/i386/linux-oldld.h, + config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h, + config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h: + Don't include i386/perform.h. + + * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370, + config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe, + config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta, + config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas, + config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40, + config/vax/t-openbsd, config/vax/t-vax: Delete. + + * config.gcc: Remove references to deleted files. + (arm-semi-aof): Use arm/t-semi for tmake_file. + + * gcc.texi, install.texi, invoke.texi, tm.texi: + Delete or rewrite text which is no longer relevant now that + libgcc1 no longer exists. + + * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix: + No need to set INSTALL_ASSERT_H. (Missed in previous sweep.) + +2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de> + Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex + initializer + +2001-05-16 Zack Weinberg <zackw@stanford.edu> + + * i386.md: Add two peepholes to clean up code generated by + cmpstr* expanders. + +2001-05-16 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (eh_data_format_name): Add names for "pointer size" + variants of non-absolute encodings. + + * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + + * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases, + __register_frame_info_table_bases): Export. + +2001-05-16 Richard Henderson <rth@redhat.com> + + * except.c (eh_data_format_name): Move to ... + * dwarf2asm.c: ... here. Use designated initializers if available. + (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. + * dwarf2asm.h: Update declarations. + * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind + ASM_PREFERRED_EH_DATA_FORMAT. + (output_call_frame_info): Likewise. Use 'L' augmentation for + the LSDA encoding. + + * unwind-dw2-fde.h (struct fde_vector): New. + (struct old_object): Rename from struct object. + (struct object): New. + (__register_frame_info_bases): Declare. + (__register_frame_info_table_bases): Declare. + (struct dwarf_fde): Remove explicit pc_begin/pc_range members. + * unwind-dw2-fde.c (objects): Remove. + (unseen_objects, seen_objects): New. + (__register_frame_info_bases): New. + (__register_frame_info): Use it. + (__register_frame_info_table_bases): New. + (__register_frame_info_table): Use it. + (__deregister_frame_info): Rewrite for changed object struct. + (base_from_object, get_cie_encoding, get_fde_encoding): New. + (fde_unencoded_compare): Rename from fde_compare; uninline. + (fde_single_encoding_compare, fde_mixed_encoding_compare): New. + (start_fde_sort): Adjust for new definition of fde_vector. + (fde_insert): Likewise. + (end_fde_sort): Likewise. Select comparison function based + on properties of the object. + (fde_split): Take object and fde_compare_t arguments. + (frame_heapsort, fde_merge): Likewise. + (classify_object_over_fdes): Rename from count_fdes. Handle + encoded pointers. Collect encoding, mixed_encoding, and pc_begin + for the object. + (add_fdes): Handle encoded pointers. + (init_object): Rename from frame_init. Update for new struct object. + (linear_search_fdes): Rename from search_fdes. Handle encoded + pointers. + (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. + (binary_search_single_encoding_fdes): New. + (binary_search_mixed_encoding_fdes): New. + (search_object): New. + (_Unwind_Find_FDE): Update for new struct object. Fill in + the dwarf_eh_bases. + * unwind-dw2.c: Include unwind-pe.h. Constify all pointers + iterating over EH data. + (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add + fde_encoding, lsda_encoding. + (read_uleb128, read_sleb128): Remove. + (read_encoded_pointer): Remove. All callers use read_encoded_value. + (extract_cie_info): Set lsda_encoding from 'L' augmentation. + (uw_frame_state_for): Don't set bases.func. Handle encoded fde + pointers. + * unwind-pe.h: Add "struct" to _Unwind_Context references. + +2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppexp.c (lex): Use NODE_NAME and NODE_LEN. + * cpphash.c (_cpp_lookup_with_hash): Similarly. + * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len, + cpp_spell_token, cpp_output_token): Similarly. + * cpplib.c (lex_macro_node, do_undef, do_pragma, + do_pragma_poison, parse_assertion, do_assert): Similarly. + * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p, + save_parameter, _cpp_create_definition, check_trad_stringification, + cpp_macro_definition): Similarly. + * cppmain.c (cb_define, cb_undef, dump_macro): Similarly. + * c-lex.c (cb_undef, c_lex): Similarly. + * fix-header.c (recognized_function): Similarly. + * cpplib.h (NODE_LEN, NODE_NAME): New. + (cpp_hashnode): Rename length len. + +Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com) + + * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in + GPRs. + +2001-05-16 Andreas Jaeger <aj@suse.de> + + * Makefile.in (toplev.o): Add dependency on dwarf2asm.h. + + * toplev.c: Include dwarf2asm.h for prototype of + dw2_output_indirect_constants. + +Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * stmt.c (expand_asm_operands): Be able to offload addressof + expression to memory. (PR optimization/185) + +Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after + applying distributive law. + +2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-hpux10.h (THREAD_MODEL_SPEC): Define. + + * gthr-dce.h (UNUSED): Attribute unused macro. + (__gthread_key_dtor): Make arguments UNUSED. + (__gthread_key_delete): Revise for compatibility with DRAFT4 + implementation. + +2001-05-16 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi: Update AIX information. + * README.RS6000: Remove obsolete file. + +2001-05-16 Jakub Jelinek <jakub@redhat.com> + Nathan Sidwell <nathan@codesourcery.com> + + * gcc.c (give_switch): Don't write before start of string. + Always append suffix. + +2001-05-16 Nathan Sidwell <nathan@codesourcery.com> + + * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear + after stage3. + +2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.ALTOS: Remove obsolete file. + +2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.h (save_and_forget_protocol_qualifiers, + forget_protocol_qualifiers, remember_protocol_qualifiers): + Remove deleted functions' prototypes. + +2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (methodtype): New production. + (methoddef, methodproto): Collapse separate '-' and '+' + handlers into 1. + +2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * c-common.h (RID_FIRST_PQ): New. + * c-parse.in (objc_pq_context): New. + (objc parser): Set objc_pq_context rather than calling + remember_protocol_qualifiers and forget_protocol_qualifiers. + Don't call save_and_forget_protocol_qualifiers. + (yylexname): Handle objc protocol qualifiers here. + * stringpool.c (struct str_header): Replace with sp_hashnode. + (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New. + (alloc_string): Rename alloc_ident. Use the SP_ accessors. + Allocate an IDENTIFIER_NODE for each identifier. + (FORALL_STRINGS, set_identifier): Delete. + (FORALL_IDS, expand_string_table, stringpool_statistics): Update. + (ggc_alloc_string): Use an obstack. + (get_identifier, maybe_get_identifier, mark_string_hash): Update. + * tree.h: Update comments. + (set_identifier): Delete. + * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq, + save_and_forget_protocol_qualifiers, forget_protocol_qualifiers, + remember_protocol_qualifiers): Delete. + +Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis): After life analysis is complete, do + an optional scan over insns looking for REG_LABEL notes that + reference a deleted label. + (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL + before peeking at LABEL_NUSES. + +2001-05-15 Richard Henderson <rth@redhat.com> + + * unwind-sjlj.c (_Unwind_GetDataRelBase): New. + (_Unwind_GetTextRelBase): New. + +2001-05-15 Mark Mitchell <mark@codesourcery.com> + + * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define. + +2001-05-15 Geoffrey Keating <geoffk@redhat.com> + + * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation + so that CHOOSE_SECTION gets used. + + * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat + TARGET_RELOCATABLE like flag_pic for now. + +2001-05-15 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movdi splitter): Sign extend more efficiently. + * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant + to "long long" valid on 32-bit and 64-bit hosts. + (logical_operand): Cast trunc_int_for_mode return value. + (rs6000_emit_move): Shift macro to encapsulate variable. + (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC. + (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but + plus_constant requires signed argument. + +2001-05-15 Loren J. Rittle <ljrittle@acm.org> + + * gthr-posix.h: Make additional pthread-* functions weak. + +Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (apply_change_group): Avoid unneeded validating. + +2001-05-14 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (num_insns_constant_wide): Constants are sign-extended. + (num_insns_constant): CONST_INT can be 64-bits. + +2001-05-14 Stan Shebs <shebs@apple.com> + + * config/darwin.h (LIB_SPEC): Just use -lSystem. + (LIBGCC_SPEC): Don't define. + +2001-05-14 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_eh_frame): New test. + * config.in, configure: Rebuild. + * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT. + +2001-05-14 Andrew MacLeod <amacleod@redhat.com> + + * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in + extended precision divide. + +2001-05-14 Andrew MacLeod <amacleod@redhat.com> + + * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier + for RETURNS as well. + +Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH + (CPP_CPU??_SIZE_TYPE): New. + (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from... + (CPP_CPU_SPEC): ... here; support choosing of CPU. + (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon. + (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only + compiler. + * i386.c (override_options): Add sorry about not suported modes. + +Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (NM_FLAGS): Remove. + (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names. + (ASM_OUTPUT_SECTION_NAME): Remove. + (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise. + +2001-05-14 Mark Mitchell <mark@codesourcery.com> + + * regrename.c (regrename_optimize): Do not rename registers to + leaf registers. + +2001-05-14 Alexandre Oliva <aoliva@redhat.com> + + * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may + contain MEMs. Remove useless distinction about clobbering + registers. + +2001-05-13 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to... + * config/rs6000/aix.h (EXCEPTION_SECTION): ... here. + * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete. + (ASM_PREFERRED_EH_DATA_FORMAT): Define. + (EXCEPTION_SECTION): Define. + +2001-05-13 Zack Weinberg <zackw@stanford.edu> + + * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for + binary backward compat only. + * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not + in LIB2FUNCS. Pass it to mklibgcc. + * mklibgcc.in: Handle LIB2FUNCS_ST. + + * Makefile.in (installdirs): Don't create $(gcc_tooldir). + +2001-05-13 Alexandre Oliva <aoliva@redhat.com> + + * tm.texi (THREAD_MODEL_SPEC): Document it. + * gcc.c (main): Use it. + * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it. + * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise. + +2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rtl.h (SYMBOL_REF_WEAK): New macro. + * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap. + * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary. + * rtl.texi (SYMBOL_REF_WEAK): Document it. + * gcc.texi: Remove wrong description. + +2001-05-13 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (STAMP): New macro. + Replace all uses of `touch' with $(STAMP). + * fixinc/Makefile.in: Likewise. + +Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in: ldopen is never in -lexc, so don't test for it. + Add test for exc_resume in -lexc for Ada. + * configure: Regenerated. + +2001-05-12 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (size_of_encoded_value): New function. + * dwarf2asm.h: Declare it. + * except.c (output_function_exception_table): Align the TType + array only as wide as the encoding. + +2001-05-12 Zack Weinberg <zackw@stanford.edu> + + * extend.texi: Document #pragma GCC java_exceptions. + +2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * c-parse.in (bison parser, init_reswords): Remove uses of + doing_objc_thang. + * c-tree.h (doing_objc_thang): Remove. + +2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Ensure we warn at most once + about files not ending in newlines. + +2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * dwarfout.c (dwarfout_init): Add cast. + * sched-deps.c (sched_analyze_insn): Remove unused vars. + * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so. +cp: + * method.c (build_mangled_C99_name): Remove unused prototype. + +2001-05-12 Alexandre Oliva <aoliva@redhat.com> + + * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta. + +2001-05-12 Alexandre Oliva <aoliva@redhat.com> + + * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define. + * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document. + +2001-05-11 Richard Henderson <rth@redhat.com> + + * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1, + dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New. + * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype. + (dw2_output_indirect_constants): Prototype. + * dwarf2out.c (dwarf2out_begin_prologue): Generate + current_function_func_begin_label if we'll need it for EH. Exit + early for IA64_UNWIND_INFO. + * except.c: Get DW_EH_PE_* defines from dwarf2.h. + (eh_data_format_name): Update for indirect references. + (output_function_exception_table): Care for IA64_UNWIND_INFO. + Handle ASM_PREFERRED_EH_DATA_FORMAT. + * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't + define HAVE_eh_return etc. + * final.c (final_start_function): Always call dwarf2out_begin_prologue. + (final_end_function): Don't call output_function_exception_table. + * toplev.c (compile_file): Call dw2_output_indirect_constants. + (rest_of_compilation): Invoke output_function_exception_table + for ia64 before assemble_end_function. + * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document. + (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document. + + * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New. + * unwind.h: Declare them. + * libgcc-std.ver: Export them. + * unwind-pe.h: New file. + + * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + + * config/ia64/fde-glibc.c: Use "struct unw_table_entry" + instead of "fde". + (find_fde_for_dso): Extract DT_PLTGOT. + (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return + the segment and gp as well. + * config/ia64/frame-ia64.c: Remove file. + * config/ia64/frame-ia64.h: Remove file. + * config/ia64/unwind-ia64.c: New file. + * config/ia64/unwind-ia64.h: New file. + * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove. + (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove. + (ASM_OUTPUT_EH_DOUBLE_INT): Remove. + (ASM_PREFERRED_EH_DATA_FORMAT): New. + (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New. + (IA64_UNWIND_INFO): Re-enable. + (HANDLER_SECTION): Remove. + (EH_RETURN_DATA_REGNO): New. + * config/ia64/ia64.md (exception_receiver): Remove. + * config/ia64/t-glibc (LIB2ADDEH): Re-enable. + * config/ia64/t-ia64 (LIB2ADDEH): Re-enable. + +2001-05-11 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (group_barrier_needed_p): Don't allow + calls and jumps to be bundled together. + (ia64_reorg): Emit a break after a noreturn call that ends + a function. + * config/ia64/ia64.md (break_f): New. + +2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_charconst): Convert into a simple wrapper + around cpp_interpret_charconst, to which most of the code + body is moved. + * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE, + MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK, + MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove. + (lex): Use cpp_interpret_charconst. + * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst, + hex_digit_value): New functions. + (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros. + * cpplib.h (cpp_interpret_charconst): New prototype. + * Makefile.in: Update. + +2001-05-12 Dean Wakerley <dean@wakerley.com> + + * doc/install.texi: New file. Converted to texinfo from the HTML + documentation in wwwdocs/htdocs/install. + +Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com) + + * gcse.c (insert_insn_end_bb): Do not search for assignments to + non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE. + + * toplev.c (compile_file): Move comment for opening output + file to just before the code that opens the output file. + +2001-05-11 Jakub Jelinek <jakub@redhat.com> + + * regmove.c (regmove_optimize): Suppress the optimization for + unchanging destination register. Add comment above function. + +2001-05-11 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in: Exterminate all references to assert.h. + * cross-make: Likewise. + * assert.h: Delete. + * configure.in: Correct commentary. + * configure: Regenerate. + + * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h: + Remove __eprintf. + + * config/t-freebsd, config/t-linux, config/t-linux-aout, + config/t-netbsd, config/t-rtems, config/x-linux, + config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe: + No need to override INSTALL_ASSERT_H. + + * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx, + fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap, + fixinc/fixincl.sh: Don't install assert.h into objdir/include. + +2001-05-11 Graham Stott <grahams@redhat.com> + + * combine.c (simplify_comparison): Fix typo. + +2001-05-11 Mark Mitchell <mark@codesourcery.com> + + * loop.h (struct movables): Remove `num'. + * loop.c (scan_loop): Don't set it. Use count_insns_in_loop. + Adjust call to strength_reduce. + (num_unmoved_movables): New function. + (move_movables): Don't set movables->num. + (strength_reduce): Compute the number of instructions in the loop + here, rather than in the caller. + (check_dbra_loop): Always clear reversible_mem_store if there + are any memory sets. + (loop_regs_scan): Don't count instructions here. + (count_insn_in_loop): New function. + +2001-05-11 Mark Mitchell <mark@codesourcery.com> + + * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P. + +2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (finish_label_expr): New function, lifted from + from cp/semantics.c. + * c-common.h (finish_label_expr, lookup_label): New prototypes. + * c-parse.in: Move 3 blocks of parser code into new functions. + * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions. + * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes. + (lookup_label): Remove. + +2001-05-11 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define + FLOAT_BIT_ORDER_MISMATCH. + +2001-05-10 David Edelsohn <edelsohn@gnu.org> + + * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to + bytes. Reported by Kazu Hirata <kazu@hxi.com>. + +2001-05-10 David Edelsohn <edelsohn@gnu.org> + + * expr.c (emit_group_load): extract_bit_field requires a REG or + MEM as an argument. + +Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com) + + * cse.c (cse_insn): Mostly remove first hunk of code which collapsed + a computed jump into an unconditional jump. + In second hunk of code for collapsing computed and conditional jumps + into unconditional jumps, reemit the jump in additional cases. + + * jump.c (jump_optimize_1): Do not wrap the new jump target + inside a LABEL_REF; gen_jump will do that automatically. + +2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl> + + * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool + contents for a SYMBOL_REF in case of floating point constants. + +2001-05-10 DJ Delorie <dj@redhat.com> + + * c-common.c (combine_strings): Widen strings in a + host-endian-independent way. + +2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in: Remove many shift/reduce conflicts. Update + %expect values. + (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea, + declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea, + declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea, + declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea, + declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea, + declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea, + declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea, + declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts, + declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa, + declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs, + maybe_type_quals_setattrs, typespec_nonattr, typespec_attr, + typespec_reserved_nonattr, typespec_reserved_attr, + typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr, + structsp_nonattr, components_notype, component_notype_declarator, + absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute, + firstparm, setspecs_fp): New + (typed_declspecs, reserved_declspecs, typed_typespecs, + reserved_typespecquals, declmods, typespec, typespecqual_reserved, + typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr + declmods_no_prefix_attr, nonempty_type_quals, structsp, + type_quals): Remove. Users updated. + (initdecls, notype_initdecls, after_type_declarator, + parm_declarator, notype_declarator, absdcl1, components, ivars): + Don't allow attributes at the start of a declarator; include them + in the production containing the declarator instead. Always + require type specifiers before trying to redeclare a typedef name. + (typename): Allow for attributes but warn that they are ignored. + (parmlist, firstparm, setspecs_fp): Include attributes in + parmlist; suck them off the parser stack in firstparm using + setspecs_fp. + +Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com) + + * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p + to determine if a block has an unconditional jump at its end. + + * jump.c (jump_optimize_1): When converting a conditional jump + to an unconditional jump, build the jump using gen_jump instead + of just modify operands in-place. + +2001-05-09 Zack Weinberg <zackw@stanford.edu> + + * cppinit.c (cpp_post_options): Shut off macro expansion if + -fpreprocessed. + * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept + IN_I directives only if the # is in column 1 and the directive + name begins in column 2. + * cppmain.c (scan_buffer): Insert a space between # and an + identifier, when that identifier is a directive name. + + * tradcpp.c (struct file_buf): Add a pointer to the next entry + in the header search path. + (enum node_type): Add T_INCLUDE_NEXT. + (directive_table): Add entry for include_next. + (do_include_next): New function. + (process_include): New routine, broken out of do_include. + (finclude): Insert 'nhd' argument, to be copied into + next_header_dir of the new buffer. + (main): Adjust to match. + * gsyslimits.h, limity.h: Un-indent #include_next. + +2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for + inclusion as a chapter of the GCC manual. + * gcc.texi: Include objc.texi. + * fdl.texi: Use @unnumberedsec for the addendum. + * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies. + +Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (DImode move splitters): Use !MMX and !SSE for the condition. + +Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com> + + * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing + handling of two-address insns. + +Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (NM_FOR_TARGET): Look for ./nm, then + ../binutils/nm-new instead of ../binutils/nm. + +Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movdi splitter): Fix the splitting condition + (float_extenddftf splitter): Fix mode. + +Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz> + + * genrecog.c (write_switch): Avoid outputting of switch for + types wider than int. + +2001-05-03 Andrew Haley <aph@cambridge.redhat.com> + + * reload1.c (copy_eh_notes): New function. + (emit_input_reload_insns): Call it. + (emit_output_reload_insns): Call it. + +2001-05-07 Zack Weinberg <zackw@stanford.edu> + + * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*): + Delete stanzas. + * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h, + config/i386/sco4dbx.h, config/i386/x-sco4: Delete file. + + * optabs.c: Delete #ifdef BROKEN_LDEXP block. + +2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (interspace_jump): Revise comment. + (builtin_longjmp): Block initial setup insns from delay slot of + interspace branch. + (builtin_setjmp_receiver): New expander to save and restore PIC + register. + + * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment. + +Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com) + + * toplev.c (compile_file): Set up the output file before we call + the various initializers for the compiler. + + * except.c (sjlj_mark_call_sites): Do not search for assignments to + non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE. + + * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64. + * pa-64.h (*_TYPE_SIZE): Undefine before redefining. + +2001-05-06 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (tradcpp0): Correct typo in dependency list. + +2001-05-06 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save + the link register if we're not going to use it. + + * config/rs6000/rs6000.c (output_profile_hook): Fix a warning. + (output_function_profiler): Likewise. + +2001-05-07 Alan Modra <amodra@one.net.au> + + * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes. + +2001-05-06 Alexandre Oliva <aoliva@redhat.com> + + * unroll.c (loop_iterations): Don't sign-extend abs_diff; + zero-extend it. Make abs_inc unsigned. + + * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the + widest mode in narrowing and widening operations. + + * config/mips/mips.md: Sign extend CONST_INTs. + +2001-05-06 Andreas Jaeger <aj@suse.de> + + * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer + (i386 Options): Document -momit-leaf-frame-pointer. + +2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-typeck.c (internal_build_compound_expr): Check for + array to pointer conversion just once. + +2001-05-05 Richard Henderson <rth@redhat.com> + + * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE. + +2001-05-05 Richard Henderson <rth@redhat.com> + + * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes + to the parent of the fixup region. + +2001-05-05 Jakub Jelinek <jakub@redhat.com> + + * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring + "inline" keyword. + * cpp.texi (__NO_INLINE): Document it. + +2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (struct include_file): New member err_no. + (find_or_create_entry): Set it. + (open_file): Don't set fds to -2. Instead, use err_no to + remember previous errors, if any. + +2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves + between X and Y by using sequences of xgdx and xgdy. + +2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead + of '!' for the 'D' alternative ('!' is too strong). + ("*logicalsi3_silshl16"): Likewise. + ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'. + ("movstrictsi"): Remove spurious '+'. + ("movstrictqi"): Don't accept 'A' and remove spurious '+'. + ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'. + ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid + a reload to them. + +2001-05-04 David Edelsohn <edelsohn@gnu.org> + + * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT. + +2001-05-04 Lars Brinkhoff <lars@nocrew.org> + + * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1 + into -a. + +2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.md (ashldi3 splits): Guard with + TARGET_POWERPC64. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of + soft register, use ror instead of rol. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take + into account pre/post increment decrement for 68HC12. + Fix other problems in replacement and fix call to reg_mentioned_p. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (L_regs_frame): New for _.frame. + Put the soft registers in bss for 68HC12. + (L_regs_d3_4): New for _.d3 and _.d4. + (L_regs_d5_6): Likewise. + (L_regs_d1_2): Likewise. + * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__ + to the pre-processor when -fshort-double is specified. + * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12. + (__mulsi3): Rewrite for 68HC12. + * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12. + Mark 'x' constraint with earlyclobber to prevent a + RELOAD_FOR_OTHER_ADDRESS to go in it. + (mulhi3_m68hc12): New pattern. + (mulhi3_m68hc11): Rename of mulhi3. + (mulhi3): New expand for 68HC12 optimisation. + (umulhisi3, mulhisi3): New patterns for 68HC12. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12. + (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12. + (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of + constants cheap after reload. + * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32 + are cheap. + (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive + so that gcc prefers a shift by 16. + (m6811_cost, m6812_cost): Make the shift cheap compared to an add. + +2001-05-04 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define. + +2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.h: NULL_PTR -> NULL. + * arm.c: Likewise. + * arm.h: Likewise. + * avr.h: Likewise. + * c4x.c: Likewise. + * c4x.h: Likewise. + * i386.c: Likewise. + * i386.md: Likewise. + * i860.c: Likewise. + * ia64.c: Likewise. + * m68hc11.h: Likewise. + * rs6000.h: Likewise. + * sh.c: Likewise. + * sh.h: Likewise. + * sparc.h: Likewise. + * v850.c: Likewise. + + * expr.c: Likewise. + * final.c: Likewise. + * gcc.c: Likewise. + * recog.c: Likewise. + +2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change + `bool' parameter to `int'. + + * hash.c (hash_lookup): Likewise. + + * hash.h (hash_lookup): Likewise. + + * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise. + +Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_initialize_trampoline): Fix mode of constant. + +2001-05-03 Geoff Keating <geoffk@redhat.com> + + * invoke.texi (i386 Options): Delete references to -malign-jumps, + -malign-loops, -malign-functions. + * i386.c (ix86_align_funcs): Delete. + (ix86_align_loops): Delete. + (ix86_align_jumps): Delete. + (override_options): Mark -malign-* as obsolete. Emulate their + behavior with the -falign-* options. Default -falign-* from + the processor table. + * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's + patch of Wed May 2 13:09:36 2001. + (LOOP_ALIGN): Delete. + (LOOP_ALIGN_MAX_SKIP): Delete. + (LABEL_ALIGN_AFTER_BARRIER): Delete. + (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete. + +2001-05-04 Andreas Jaeger <aj@suse.de> + + * except.h: Add prototype declaration for + expand_builtin_init_dwarf_reg_sizes. + +2001-05-03 Geoffrey Keating <geoffk@redhat.com> + + * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb + instruction. + ("bitcmpqi2"): New pattern for bit-extract and test. + ("bitcmphi"): New pattern for bitb/bita instructions. + +2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * gccbug.in: Use a temporary directory when the mktemp command is + not available. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register + instead of _.d1. + (INITIALIZE_TRAMPOLINE): Call it. + (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12. + (TRAMPOLINE_TEMPLATE): Remove. + * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New. + * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline): + Declare. + +2001-05-03 David O'Brien <obrien@FreeBSD.org> + + * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o + and crtendS.o with PIC. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two + negative numbers. + (___subdi3, ___adddi3): Use x instead of y as index register. + (__init_bss_section, __map_data_section): Optimize for 68HC12. + (__memset, __memcpy): Likewise. + (regs): Put the soft registers in bss for 68HC12. + (abort): Use trap to abort for 68hc12. + (__mulhi3, __mulhi32): Use emul for 68hc12. + (__mulsi3): Avoid to use the tmp soft register for 68hc12. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define. + * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove. + * config/m68hc11/m68hc11.c (limit_reload_class): Remove. + (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin. + Set 68HC12 min offset to -65536. + (print_operand): Put parenthesis arround the operand if it refers + to a symbol having the same name as a register. + (m68hc11_z_replacement): When z register is replaced by its + equivalent soft register, force the insn to be re-recognized. + (m68hc11_check_z_replacement): Fix the test when destination is + the index register and z dies in the insn. + (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize + costs according to processor variant. + (m68hc11_shift_cost): New function to compute shift costs. + (m68hc11_rtx_costs): Define costs according to processor variant. + (m6811_cost): Costs for 68HC11. + (m6812_cost): Costs for 68HC12. + (COSTS_N_INSNS): Remove. + + * config/m68hc11/m68hc11.h (RTX_COSTS): New. + (DEFAULT_RTX_COSTS): Remove. + (CONST_COSTS): Define costs according to OUTER_CODE. + (processor_costs): New struct to define costs. + (m68hc11_cost): Pointer to current costs. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation + and use m68hc11_notice_keep_cc when using leax/leay. + (addhi3 split): Reject split if the insn is handled by + leax/leay above. + * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the + push must be handled in a special way if the source operand uses + sp as index register. + (m68hc11_notice_keep_cc): New function. + (m68hc11_gen_movhi): Use it when an insn changes a register but + not the flags. + (m68hc11_gen_movqi): Fix move for 68HC12. + * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST + and don't pass operands[0] to emit_library_call_value. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12. + (zero_extendsi split): Simplify and use (zero_extendhi). + (*addhi3): Remove 'w' constraint since stack pointer is handled + by (addhi3_sp). + (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint. + (*ashlhi3, *ashrhi3, *lshrhi3): Likewise. + (*ashrhi3_const): Fix shift by 7. + (*lshrsi3_const16): Fix template. + (call, call_value): Fix constraint and predicate. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant. + (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise. + (CC_REGNUM): Likewise. + (*unnamed splits): Use above constants instead of hard coded numbers. + (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise. + (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise. + (*return_16bit, *unnamed peepholes): Likewise. + +2001-05-03 David O'Brien <obrien@FreeBSD.org> + + * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include + rs6000/rs6000.h twice. + +2001-05-03 Mark Elbrecht <snowball3@bigfoot.com> + + * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__. + (CPP_SPEC): Conditionally define MSDOS and GO32. + (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210. + (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are + ignored. + (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove. + +2001-05-03 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.md: Sign-extend GEN_INT operands. + +2001-05-03 Mark Mitchell <mark@codesourcery.com> + + * integrate.h (struct inline_remap): Add leaf_reg_map table. + * integrate.c (expand_inline_function): Use xcalloc to allocate + memory. + (copy_rtx_and_substitute): Use the leaf_reg_map for leaf + registers. + +2001-05-03 Mark Mitchell <mark@codesourcery.com> + + * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME + if it is not set. + +2001-05-03 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the + linker if -mrelax is given. + (TARGET_SWITCHES): Document -mrelax. + + Re-installed 2001-01-09's patch: + * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long + if it's wider than long and the target's long is wider than the + host's. + +2001-05-02 David O'Brien <obrien@FreeBSD.org> + + * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not + directly include rs6000/rs6000.h. Instead do it in tm.h. + +2001-05-02 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to + NSConstantString for NeXT-style runtimes. + (STRING_OBJECT_GLOBAL_NAME): New macro. + (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and + OCTI_STRING_CLASS_DECL. + (constant_string_global_id): New macro. + (string_class_decl): Ditto. + (setup_string_decl): New function. + (build_objc_string_object): Use it to build a NeXT runtime + compatible string initializer. + +2001-05-02 Jakub Jelinek <jakub@redhat.com> + + * tradcpp.c (do_define): Make sure we don't walk past limit. + +2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack + offsets if not REG_OK_STRICT. + + * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro. + (INT_REG_OK_FOR_INDEX_P): Likewise. + (INT_REG_OK_FOR_BASE_P): Likewise. + (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P. + (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P. + (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and + INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and + REG_OK_FOR_BASE_P. Take an additional parameter. + (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise. + (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise. + (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise. + (GO_IF_LEGITIMATE_ADDRESS): Move code into new function + rs6000_legitimate_address() and use it. + * config/rs6000/rs6000.c: Update all callers. + (rs6000_legitimate_address): New function. + +2001-05-02 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_emit_move): Merge + special_constant conditional blocks together. + +2001-05-02 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED + parameter. + (STRICT_ARGUMENT_NAMING): Define. + * config/rs6000/rs6000.c (function_arg_advance, function_arg, + function_arg_partial_nregs, setup_incoming_varargs): Remove + args logic which depends on "named" now that STRICT_ARGUMENT_NAMING + is defined. + +Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned. + + * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode + for replacement. + + * expr.c (store_field): Do nothing except elaborate side-effects if + zero-bit field. + +2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c: NULL_PTR -> NULL. + * cse.c: Likewise. + * emit-rtl.c: Likewise. + * gcse.c: Likewise. + * genpeep.c: Likewise. + * jump.c: Likewise. + * mips-tdump.c: Likewise. + * reload1.c: Likewise. + * rtlanal.c: Likewise. + * stmt.c: Likewise. + * stor-layout.c: Likewise. + * toplev.c: Likewise. + +2001-05-01 Per Bothner <per@bothner.com> + + * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR, + call do_pending_stack_adjust before emiting label. + +2001-05-01 Mark Mitchell <mark@codesourcery.com> + + * extend.texi: Fix typo. + +2001-05-01 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT + of UOBJC_MODULES_decl. + (generate_strings): Clear DECL_CONTEXT of new decl nodes. + (generate_descriptor_table): Ditto. + (generate_protocols): Ditto. + (generate_protocol_list): Ditto. + (generate_classref_translation_entry): Ditto. + +2001-05-01 Jeffrey Oldham <oldham@codesourcery.com> + + * invoke.texi (Optimize Options): Add documentation for `--param + max-delay-slot-insn-search' and `--param + max-delay-slot-live-search' and reorder --param section. + * params.def: Modify initial comment. + * params.h (param_info): Add `help' member. + * toplev.c (lang_independent_params): Include `help' description. + (display_help): Print --param parameters. + +2001-05-01 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}. + Remove references to deleted files. + (*-*-openbsd): No need to override xmake_file. + (*-*-sysv4): Treat like *-*-sysv. + + * configure.in: Probe for ldopen in various places, and set up + collect2 to be linked with them if found. + Don't dink with Windows registry stuff unless $host_os is a + Win32 os name. Check to see if we need -ladvapi32. + * configure: Regenerate. + + * Makefile: Get rid of CLIB and HOST_CLIB. + Substitute in COLLECT2_LIBS and link collect2 against its contents. + * build-make: Get rid of HOST_CLIB. + + * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix, + config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3, + config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony, + config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41, + config/rs6000/x-rs6000: Delete. + + * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris: + Don't set CLIB. + + 24 x-host fragments remain, 0 x-cpu, 3 top level. + +2001-05-01 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program. + * configure: Regenerate. + +2001-05-01 Angela Marie Thomas <angela@cygnus.com> + + * Makefile.in (install-headers): Remove redundant dependency. + +2001-05-01 Nathan Sidwell <nathan@codesourcery.com> + + * c-tree.texi (USING_STMT): Document. + +2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0". + * c-common.c: Likewise. + * c-decl.c: Likewise. + * combine.c: Likewise. + * rs6000.c: Likewise. + * except.c: Likewise. + * explow.c: Likewise. + * expr.c: Likewise. + * fold-const.c: Likewise. + * function.c: Likewise. + * gcc.c: Likewise. + * gcse.c: Likewise. + * integrate.c: Likewise. + * loop.c: Likewise. + * objc/objc-act.c: Likewise. + * recog.c: Likewise. + * reg-stack.c: Likewise. + * reload.c: Likewise. + * reload1.c: Likewise. + * simplify-rtx.c: Likewise. + * stmt.c: Likewise. + * varasm.c: Likewise. + +2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.def: New file. + * diagnostic.h (diagnostic_t): New enum. + * Makefile.in (diagnostic.o): Depend on diagnostic.def + +2001-04-30 Zack Weinberg <zackw@stanford.edu> + + * tsystem.h: Test only POSIX for availability of string.h + and time.h. + * config.gcc (all systems): If USG appeared in xm_defines, + change it to POSIX. If both USG and POSIX appeared, just + delete USG. Remove unnecessary quotes around xm_defines + settings. + (m68k-crds-unos*): Don't #define unos - tested nowhere. + (m68k-apple-aux*): Don't #define AUX - tested nowhere. + (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1, + powerpc-*-linux*): No need to set xm_defines - handled by + global settings for *-*-linux*. + +2001-04-30 Zack Weinberg <zackw@stanford.edu> + + * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c: + Always include gstab.h, not system stab.h. Don't provide + default definitions of N_CATCH or N_OPT. Always use the + gstab.h variant of STAB_CODE_TYPE. + * final.c: Don't include stab.h/gstab.h at all, or provide + defaults for N_SLINE and N_SOL. + + * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL, + N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are + available. + * sdbout.c: Always include gsyms.h instead of system syms.h. + + * configure.in: No need to check for stab.h. + * configure, config.in: Regenerate. + * Makefile.in (final.o): Don't depend on gstab.h. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + Richard Henderson <rth@redhat.com> + + * extend.texi: Improve documentation of volatile asms. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + + * c-tree.texi: Fix thinko. + * gcc.texi: Likewise. + +2001-04-30 Richard Henderson <rth@redhat.com> + + * c-common.c (c_promoting_integer_type_p): New function, from the + corpse of old macro. Properly promote too-small enumerations and + booleans. Adjust all callers. + * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove. + (c_promoting_integer_type_p): Declare. + * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations. + * c-typeck.c: Likewise. + (default_conversion): Remove now redundant boolean check. + +2001-04-30 Jan Hubicka <jh@suse.cz> + Richard Henderson <rth@redhat.com> + + * regmove.c (try_apply_stack_adjustment): Remove now redundant + sanity checks. + (combine_stack_adjustments_for_block): Don't combine stack + allocation followed by deallocations. Handle grow-up stacks. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + + * fdl.texi: New file. + * c-tree.texi: Use the GFDL. + * gcc.texi: Likewise. + +2001-04-30 Stan Shebs <shebs@apple.com> + + * invoke.texi: Add a section documenting Objective-C options. + +2001-04-27 Andrew Haley <aph@cambridge.redhat.com> + + * emit-rtl.c (try_split): Copy EH notes to sequence. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + + * regmove.c (record_stack_memrefs): Catch all references to the + stack pointer. + +2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee> + + * Makefile.in (stmp-fixinc): quote shell assignment values + +2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c: NULL_PTR->NULL in calls to `concat'. + + * gcc.c: Likewise. + + * prefix.c: Likewise. + +2001-04-28 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (handle_class_ref): Rewrite to flush target + specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE. + * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define. + * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document. + + * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define. + (NEXT_OBJC_RUNTIME): Define. + +Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtl.h (simplify_gen_relational): Add cmp_mode parameter. + * simplify-rtx.c (simplify_gen_relational): Likewise. + + * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs. + + * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2 + * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves. + + * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to + registers in SSE case; fix handling of the immediates. + (negsf2_ifs, abssf2_ifs): Tweak constraints; require + operands to be in regsiters before reload. + (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit + (negdf2_ifs_rex64, absdf2_ifs_rtx64): New. + (abstf,absxf,negtf,negxf splitters): Compute + properly the regnum for x86_64. + (avsdf2_if_rex64): New. + +Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC + and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put + into the constant pool. + * jump.c (jump_optimize_1): Remove barrier successors after all + the LABEL_NUSES counds have been computed. + (delete_barrier_successors): When deleting a tablejump insn, also + delete the jump table it uses. + * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a + label into memory. + +2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au> + + * pa.c (FRP): Remove erroneous white space in macro definition. + +2001-04-28 Andreas Jaeger <aj@suse.de> + + * invoke.texi: Use XX-bit instead of XXbit or XX bit where + appropriate. + * extend.texi: Likewise. + * tm.texi: Likewise. + +2001-04-28 Andreas Jaeger <aj@suse.de> + + * md.texi: Use XX-bit instead of XXbit or XX bit where + appropriate. + +2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net> + + * gcc.c (process_command): Allow -l lib in addition to -llib + for POSIX compliance. This fixes PR c/2347. + + * invoke.texi: Update section on Link Options accordingly. + +2001-04-27 Zack Weinberg <zackw@stanford.edu> + + * function.c (purge_addressof_1): Remove the duplicate + if (code == SET) block. Fold the two if (code == ADDRESSOF) + blocks together. + +2001-04-28 Jason Merrill <jason_merrill@redhat.com> + + * except.c (expand_eh_region_start): Don't start a new block. + (expand_eh_region_end): Don't end a block. + * stmt.c (expand_end_bindings): Don't end EH blocks. + (expand_decl_cleanup): Starting an EH region won't change the block. + (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose. + (is_eh_region): Lose. + * tree.h: Adjust. + +2001-04-27 Jeffrey Oldham <oldham@codesourcery.com> + + * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode. + + * collect2.c (main): Add `-L' case to remove duplicate entries. + (is_in_args): New function to check for a duplicate argument. + * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro. + * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation. + * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): + Define to be nonzero. + +2001-04-27 Andreas Jaeger <aj@suse.de> + Richard Henderson <rth@redhat.com> + + * md.texi (Machine Constraints): Document additional i386 + constraints and fix description of "A". + +Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com) + + * tm.texi (TARGET_MEM_FUNCTIONS): Update text. + +2001-04-27 Jason Merrill <jason_merrill@redhat.com> + + * except.c (get_exception_filter): word_mode, not Pmode. + +2001-04-26 Geoffrey Keating <geoffk@redhat.com> + + * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives + common to other movsf patterns. Move up so that in future + people who change the other patterns will change it too. + (movsf_lo_sum): Allow even for soft-float; add appropriate + constraints. + (movsf_high): Likewise. + (movsf_high+1): Allow even for soft-float. + + * function.c (expand_function_end): Always clobber the + return registers, even if there is no return label. + +Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz> + + * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation. + +Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes + (pushqi2_rex64, pushhi2_rex64): Add. + +2001-04-26 Andrew Haley <aph@cambridge.redhat.com> + + * except.c (expand_eh_region_end_cleanup): Force pending stack + adjust before emitting label that branches around cleanup code. + +2001-04-26 H.J. Lu (hjl@gnu.org) + + * config.gcc (mips*-*-linux*): Add elfos.h to tm_file. + + * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before + define. + * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise. + (ASM_OUTPUT_SECTION_NAME): Likewise. + (ASM_WEAKEN_LABEL): Likewise. + (UNIQUE_SECTION): Likewise. + (ASM_OUTPUT_CONSTRUCTOR): Likewise. + (ASM_OUTPUT_DESTRUCTOR): Likewise. + * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise. + (ASM_OUTPUT_SECTION_NAME): Likewise. + (ASM_WEAKEN_LABEL): Likewise. + (UNIQUE_SECTION): Likewise. + (ASM_OUTPUT_CONSTRUCTOR): Likewise. + (ASM_OUTPUT_DESTRUCTOR): Likewise. + * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise. + * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise. + (ASM_FILE_START): Likewise. + (ASM_OUTPUT_SOURCE_LINE): Likewise. + (ASM_DECLARE_OBJECT_NAME): Likewise. + (ASM_FILE_END): Likewise. + (ASM_DECLARE_FUNCTION_NAME): Likewise. + (ASM_OUTPUT_INTERNAL_LABEL): Likewise. + (ASM_GENERATE_INTERNAL_LABEL): Likewise. + (ASM_OUTPUT_CASE_LABEL): Likewise. + (ASM_OUTPUT_SKIP): Likewise. + (ASM_OUTPUT_ASCII): Likewise. + (ASM_OUTPUT_IDENT): Likewise. + (READONLY_DATA_SECTION): Likewise. + (EXTRA_SECTIONS): Likewise. + (EXTRA_SECTION_FUNCTIONS): Likewise. + (SELECT_RTX_SECTION): Likewise. + (SELECT_SECTION): Likewise. + + * config/mips/linux.h (INVOKE__main): Undefine. + (CTOR_LIST_BEGIN): Likewise. + (CTOR_LIST_END): Likewise. + (DTOR_LIST_BEGIN): Likewise. + (DTOR_LIST_END): Likewise. + (SET_ASM_OP): Defined it to ".dummy". + (ASM_OUTPUT_DEF): Defined. + (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined. + +2001-04-26 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the + assembler supports .p2align. + +2001-04-26 Nathan Sidwell <nathan@codesourcery.com> + + * c-lex.c (c_lex): Remove # from %o diagnostic formatting. + +2001-04-26 Jakub Jelinek <jakub@redhat.com> + + * integrate.c (expand_inline_function): Check for error_mark_node + in actual argument. + +2001-04-26 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for + -m386 and -m486. + +2001-04-26 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (configargs.h): Define thread_model. + * configure: Rebuilt. + * gcc.c (main): Print it with -v. + +2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Document -Wmissing-braces, -dumpspecs, + -dumpmachine, -dumpversion, -fmem-report and -ftime-report. + * gcc.1: Regenerate. + +2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type, + is_redundant_typedef): Use static inline instead of inline static. + +Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that + this directory is always searched. + +2001-04-25 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_epilogue): Properly compute size + of registers to restore along non eh_return path. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * c-format.c (check_format_info_recurse): Handle + PLUS_EXPR for format string. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.h (CC1_SPEC): Define. + * config/ia64/linux.h (CC1_SPEC): Define. + +Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com> + + * emit-rtl.c (constant_subword): Also do sign extension in + BITS_PER_WORD == 16 case. + +2001-04-25 Jason Merrill <jason_merrill@redhat.com> + + * loop.c (try_swap_copy_prop): Go back to checking insn. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check + if check_mode is nonzero. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_expand_int_movcc): If overlap between + out and comparison sequence has been detected, put result into + proper temporary pseudo. + +2001-04-24 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy. + * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty. + * libgcc2.c: Remove __dummy and __builtin_saveregs. + * libgcc2.h: Don't prototype __builtin_saveregs or __dummy. + * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs + for future reference. + +2001-04-24 Jason Merrill <jason_merrill@redhat.com> + + * except.c (reachable_handlers): Step out one level from a RESX. + + * except.c (struct eh_region): Rename 'last' to 'resume'. + (mark_eh_region, duplicate_eh_region_1): Adjust. + (expand_eh_region_end_cleanup): Remember the jump, not the barrier. + (build_post_landing_pads): Likewise. + (expand_end_catch, expand_eh_region_end_allowed): Don't set it. + (expand_eh_region_end_must_not_throw): Likewise. + (connect_post_landing_pads): Thread (only) regions with non-deleted + resume insns. + + * except.c (expand_eh_region_end_cleanup): Save the EH return data + registers around the cleanup. + (get_exception_filter): New fn. + (finish_eh_generation): Use it. + +2001-04-24 Nathan Sidwell <nathan@codesourcery.com> + + * c-semantics.c (add_scope_stmt): Don't call + current_scope_stmt_stack multiple times. + +2001-04-24 Zack Weinberg <zackw@stanford.edu> + Nathan Sidwell <nathan@codesourcery.com> + + Lazy __FUNCTION__ generation. + * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, + RID_C99_FUNCTION_NAME): New _RIDs. + (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove. + (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL, + CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New + global tree slots. + (function_id_node, pretty_function_id_node, func_id_node): Remove. + (c99_function_name_decl_node, function_name_decl_node, + pretty_function_name_decl_node, saved_function_name_decls): + Declare. + (struct language_function): Remove x_function_name_declared_p. + (make_fname_decl): Remove a parameter. + (declare_function_names): Remove prototype. + (start_fname_decls, finish_fname_decls): Prototype. + (fname_as_string): Likewise. + (fname_string, fname_decl): Likewise. + * c-common.c (make_fname_decl): Adjust. + (struct fname_var_t): New struct. + (fname_vars): New static array. + (declare_function_name): Remove. + (start_fname_decls, finish_fname_decls): New functions. + (fname_as_string): New function from remnants of + declare_function_name. + (fname_string, fname_decl): New functions. + + * c-decl.c (c_function_name_declared_p): Remove. + (init_decl_processing): Don't generate __FUNCTION__ et al ids, + don't call declare_function_name. Call start_fname_decls. + (c_make_fname_decl): Adjust parameters. Generate the name. Don't + clobber the line number. Call finish_decl. + (start_function): Call start_fname_decls. + (finish_function): Call finish_fname_decls. + Remove c_function_name_declared_p. + (push_c_function_context): Don't push c_function_name_declared_p. + (pop_c_function_context): Don't pop c_function_name_declared_p. + (c_begin_compound_stmt): Don't check c_function_name_declared_p. + * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens. + (program): Call finish_fname_decls for C. + (primary): Add VAR_FUNC_NAME. + (reswords): Add slots for __FUNCTION__ et al. + (rid_to_yy): Add mappings for __FUNCTION__ et al. + (yylexname): If it's a STRING_FUNC_NAME generate the function name + now. Don't look for VAR_DECLs containing __FUNCTION__ et al. + * c-semantics.c (prune_unused_decls): Remove. + (finish_stmt_tree): Don't call prune_unused_decls. + (genrtl_decl_stmt): Don't prune unused decls here. + +2001-04-24 Nick Clifton <nickc@cambridge.redhat.com> + + * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the + constant pool, use the pool's SYMBOL_REF instead. + + * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the + v850e. + +2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid + passing nested NOP_EXPRs to fold. + +Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs. + +2001-04-22 Mark Mitchell <mark@codesourcery.com> + + * loop.c (loop_delete_insns): Add prototype. + +2001-04-23 Phil Edwards <pme@sources.redhat.com> + + * configure.in: Remove ENABLE_STD_NAMESPACE. + * config.in: Regenerated. + * configure: Regenerated. + +2001-04-22 Stan Shebs <shebs@apple.com> + + * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h + into xm_defines. + * config/rs6000/xm-darwin.h: Remove file. + +2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (main): Use concat in lieu of xmalloc/sprintf. + (write_c_file_stat): Likewise. + + * dbxout.c (dbxout_init): Likewise. + + * profile.c (output_func_start_profiler): Likewise. + +2001-04-22 Philipp Thomas <pthomas@suse.de> + + * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out, + require it instead of the CVS version. + * cpperror.c (v_message): Put a blank before the macro + body to not confuse exgettext. + +2001-04-21 Mark Mitchell <mark@codesourcery.com> + + * flow.c (proagate_one_insn): Remove useless assignment. + * jump.c (delete_insn): Tidy. + * loop.c (try_copy_prop): When deleting an instruction with a + REG_RETVAL note, delete the entire libcall sequence. + (loop_delete_insns): New function. + * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if + we're not substituting into them yet. + +2001-04-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (general_operand_src): Fix a comment typo. + + * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay): + Fix a comment typo. + * config/i960/i960.c (signed_arith_operand): Likewise. + + * calls.c (expand_call): Fix a comment typo. + +2001-04-20 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Probe for times, clock, struct tms, and clock_t. + * configure, config.in: Regenerate. + * timevar.c: Replace ifdef forest in get_time with (relatively) + straightforward series of checks based on autoconf's probes. + +Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (NM_FLAGS): Define. + +2001-04-20 Bernd Schmidt <bernds@redhat.com> + + * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called + function. + * ia64-protos.h (ia64_sched_reorder): Additional arg for clock. + * ia64.c (nop_cycles_until): New function. + (prev_cycle, prev_first, last_issued): New static variables. + (ia64_sched_reorder): Additional arg for clock. + On final scheduling pass, emit extra NOPs as needed. + Set prev_first and prev_cycle. + (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder. + (ia64_variable_issue): Set last_issued. + +2001-04-20 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/i386.c (ix86_expand_int_movcc, + ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs. + +2001-04-20 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2, + ctrsi_internal3, ctrsi_internal4, ctrsi_internal5, + ctrsi_internal6, ctrdi_internal1, ctrdi_internal2, + ctrdi_internal3, ctrdi_internal4, ctrdi_internal5, + ctrdi_internal6): In the short-branch case, this insn is only 4 + bytes long. Reported by Reza Yazdani <reza@apple.com>. + +2001-04-20 Jakub Jelinek <jakub@redhat.com> + + * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp. + "=u" is used together with "st" resp. "st(1)" clobber. + +2001-04-20 Jakub Jelinek <jakub@redhat.com> + + * gcse.c (gcse_main): Fix comment typo. + (delete_null_pointer_check): Likewise. + (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes. + * cse.c (cse_insn): Likewise. + * function.c (fixup_var_refs_insns_with_hash): The sequence is + toplevel. + +2001-04-19 Zack Weinberg <zackw@stanford.edu> + + * toplev.c: Excise all code for the undocumented -dm option. + (float_signal): Call signal just once, unconditionally. + +2001-04-19 Geoff Keating <geoffk@redhat.com> + + * fold-const.c (fold): Use first_rtl_op rather than + TREE_CODE_LENGTH when looping over parameters of a tree. + Correct strange grouping in test for evaluated SAVE_EXPR. + +Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine. + * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define. + + * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace + name at 32 total characters. + (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing + functions in named sections -- data items can still go into unique + sections, but they have normal names (ie $LIT$ and $DATA$). + + * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support + INIT_PRIORITY. + +2001-04-19 DJ Delorie <dj@redhat.com> + + * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX + to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX. + * config/i386/cygwin.h: Likewise. + * config/i386/mingw32.h: Likewise. + * config/vax/vms.h: Likewise. + * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX. + + * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX + to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX. + * config/i386/xm-cygwin.h: Likewise. + * config/i386/xm-djgpp.h: Likewise. + * config/i386/xm-mingw32.h: Likewise. + * config/vax/xm-vms.h: Likewise. + + * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX + instead of OBJECT_SUFFIX. + * collect2.c (find_a_file): Look for files matching the extension + HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX. + * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on + TARGET_EXECUTABLE_SUFFIX. + (find_a_file): Use HOST_EXECUTABLE_SUFFIX. + (make_relative_prefix): Likewise. + (convert_filename): Use TARGET_ suffixes throughout. Remove + NO_AUTO_EXE_SUFFIX. + (process_command): Likewise. + (do_spec_1): Likewise. + * java/lang.c (init_parse): Likewise. + + * gcc.texi : Document four new options matching the pattern + (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation + for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove + documentation for NO_AUTO_EXE_SUFFIX. + +2001-04-19 Mark Mitchell <mark@codesourcery.com> + + * toplev.h (struct lang_hooks): Allow decode_option to indicate + that language-independent processing should not be done. + * toplev.c (main): Adjust accordingly. + + * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation. + * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN. + + * mips.md (reload_outputdi): Require that operand0 be a + general_operand. + +2001-04-19 Jakub Jelinek <jakub@redhat.com> + + * invoke.texi (-Wshadow): Clarify. + +2001-04-18 Mark Mitchell <mark@codesourcery.com> + + * loop.c (load_mems): Examine all the instructions in the loop + before concluding that all jumps branch to the first instruction + after the loop. + +Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo. + +2001-04-18 Jakub Jelinek <jakub@redhat.com> + + * cpp.texi (-Wwhite-space): Remove. + (-Wall): -Wall does not imply -Wwhite-space. + +2001-04-17 Zack Weinberg <zackw@stanford.edu> + + * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined, + use it instead of blindly generating a .stabs. + * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type + in the right place. + * xcoffout.c: Don't bother defining default for N_CATCH. + (UNKNOWN_STAB): Use internal_error. + (stab_to_sclass): Remove now-unnecessary aborts. + Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block. + +Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com) + + * jump.c (mark_all_labels): Canonicalize the tail recursion + label attached to CALL_PLACEHOLDER insns. + +2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * output.h (dump_flow_info, free_basic_block_vars, + which_alternative): Delete redundant prototypes. + + * rtl.h (bss_section): Likewise. + +2001-04-17 Loren J. Rittle <ljrittle@acm.org> + + * dbxout.c (N_OPT): Define if not available from <stab.h> + +2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system + libraries and native K&R compilers. + +2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (convert_arguments): Don't check for width changes + with -Wtraditional. + + * invoke.texi (-Wtraditional): Update documentation. + +2001-04-16 Zack Weinberg <zackw@stanford.edu> + + * toplev.c (output_lang_identify): Delete. + (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE. + Don't generate gcc2_compiled. label. Don't emit a nop if profiling. + If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>" + after calling ASM_FILE_END. + + * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE. + Instead, unconditionally emit an N_OPT stab with string equal + to STABS_GCC_MARKER, which defaults to "gcc2_compiled." + + * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE. + + * config/dbxelf.h, config/freebsd.h, config/nextstep.h, + config/psos.h, config/ptx4.h, config/1750a/1750a.h, + config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h, + config/arm/aof.h, config/arm/coff.h, config/arm/elf.h, + config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h, + config/dsp16xx/dsp16xx.h, config/h8300/h8300.h, + config/i370/i370.h, config/i386/beos-elf.h, + config/i386/osf1elf.h, config/i386/osfrose.h, + config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h, + config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h, + config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h, + config/m68k/tower-as.h, config/mcore/mcore-elf.h, + config/mips/iris6.h, config/mips/osfrose.h, + config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h, + config/sparc/sp64-elf.h: + Delete definitions of any or all of: ASM_IDENTIFY_GCC, + ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE. + + * config/elfos.h, config/freebsd.h, config/linux.h, + config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h, + config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h, + config/sparc/linux.h, config/sparc/linux64.h: Delete definitions + of ASM_FILE_START which merely emit a .version directive. Delete + definitions of ASM_FILE_END which merely emit an .ident directive. + + * config/avr/avr.h, config/vax/vax.h: Delete definition of + ASM_IDENTIFY_GCC and move part of its logic into + ASM_FILE_START. + + * config/i386/att.h, config/i386/gas.h, config/i386/linux.h, + config/sparc/linux-aout.h: Don't emit .version directive in + ASM_FILE_START. + + * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c + (output_file_start): Correct comment. + + * config/i386/osfrose.h: Don't emit trailing .ident directive. + * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%" + to match gdb. + * config/pa/lib2funcs.asm: Delete gcc_compiled. label. + * config/rs6000/aix.h: Correct comment. + + * config/i386/i386afe.h: Delete. + * config.gcc: Remove references to i386afe.h. + + * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The + other macros deleted by this patch were undocumented. + +Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com) + + * pa.md (reload_outdi): Operand 0 must be a non hard register. + + * pa.c (secondary_reload_class): SAR<->FP copies require a + secondary register. + + * install.texi (mips-mips-bsd): Update list of functions + required to include memmove. + * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly + used functions to include memmove. + +2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl> + + * i386.md (sqrtdf2): SFmode should be DFmode. + +2001-04-15 Alexandre Oliva <aoliva@redhat.com> + + * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable. + (find_moveable_store): Likewise. + +2001-04-15 Jim Wilson <wilson@redhat.com> + + * function.c (expand_function_end): Handle PARALLEL real_decl_rtl. + +Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (ashldi3_1_rex64): Add 'J' to the constraints + (ashrdi3_1_rex64): Change 'n' constraint to 'J'. + +2001-04-14 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the + first alternative. + +2001-04-14 Alan Modra <amodra@one.net.au> + + * pa.c (force_mode): New function. + (emit_move_sequence): Use it instead of generating new rtx_REGs. + +2001-04-13 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p. + (first_instruction): New static variable. + (rtx_needs_barrier): Return 1 for alloc. + (init_insn_group_barriers): Set first_instruction. + (rws_sum): Delete duplicate definition. + (group_barrier_needed_p): Return 0 when first_instruction true. + (safe_group_barrier_needed_p): Save and restore first_instruction + around group_barrier_needed_p call. + +Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org> + + * expr.h (enum libfunc_index): Add LTI_memmove. + (memmove_libfunc): Define macro. + * optabs.c (init_optabs): Initialize memmove_libfunc. + * expr.c (expand_assignment): Use memmove_libfunc instead of + memcpy_libfunc. + +2001-04-13 Alan Modra <alan@linuxcare.com.au> + + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM + fp mode addresses. + +2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (reg-stack.o): Depend on reload.h. + (insn-attrtab.o): Depend on flags.h. + + * genattrtab (main): Include flags.h in insn-attrtab.c. + + * reg-stack.c: Include reload.h. + + * sparc.h (flag_pic): Delete redundant declaration. + + * output.h (flag_pic): Likewise. + + * tree.h (pedantic): Likewise. + +2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h + + * jump.c, regmove.c, toplev.c: Include reload.h. + + * reload.h (reload_cse_regs): Declare. + + * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber, + reload_cse_regs, init_reload, mark_home_live, reload, + init_caller_save): Delete redundant prototypes. + +2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H). + + * regclass.c, ssa.c: Include expr.h. + + * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn, + gen_move_insn): Delete redundant declarations. + +2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch. + (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down + MAKEINFO and MAKEINFOFLAGS too. + (stage4_build): Correctly order -B flags. + +2001-04-13 Alan Modra <amodra@one.net.au> + + * pa.c (hppa_init_pic_save): Set rtx_unchanging for + PIC_OFFSET_TABLE_SAVE_RTX. + (zdepi_cint_p): Describe zdepi insn. + Formatting and white space fixes throughout file. + + * pa.c (uint32_operand): Don't use long constant >= 2^32. + (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry + about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs. + (compute_movstrsi_length): Make `align' unsigned to avoid warning. + (output_64bit_and): Use plain `int's for shift counts. + (output_64bit_ior): Likewise. + (function_arg_partial_nregs): Use unsigned vars to avoid warnings. + * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case + `N', and simplify. + + * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1. + * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise. + * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on + NEW_HP_ASSEMBLER into one. Kill warnings. + + * pa-gas.h: Delete file. + * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa. + Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update + hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file, + instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2. + + * config/pa/mill32.S: New file. + * config/pa/mill64.S: New file. + * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS, + LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define. + * config/pa/t-linux64: New file. + * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a + (LIB1ASMFUNCS, LIB1ASMSRC): Define. + (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1. + + * elfos.h (SELECT_SECTION): Undef before defining. + * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove. + (LIB_SPEC): Remove -lmilli. + (DBX_REGISTER_NUMBER): Remove. + (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO, + (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL, + NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX, + DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START, + ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, + ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME, + TARGET_GAS): Define. + * pa.c (output_arg_descriptor): Disable for TARGET_ELF32. + (function_arg): If TARGET_ELF32, pass fp args in both general and fp + regs if we don't have a prototype. + * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32. + * pa.h (TARGET_ELF32): Default to 0 if undefined. + (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX, + EH_RETURN_HANDLER_RTX): Define. + * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test. + (DWARF_FRAME_REGNUM): Define. + * pa64-regs.h (DWARF_FRAME_REGNUM): Define. + * pa32-linux.h: New file. + * pa64-linux.h: New file. + + * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define. + (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while. + (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, + NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF, + DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT, + DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, + FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, + READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION, + DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY, + UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR, + ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL, + TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to.. + * pa64-hpux.h: New file. + (ASM_FILE_START): Correct typo. + (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE. + * config.gcc: Modify for above. + +Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com) + + * jump.c (jump_optimize_1): Don't delete dead stores here. + * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns + prior to running jump optimize before cse2. + +2001-04-12 Richard Henderson <rth@redhat.com> + + * Makefile.in (regmove.o): Depend on except.h. + * regmove.c: Include it. + +2001-04-12 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c: Remove all code ifdefed with the never-used + macro OBJC_INT_SELECTORS. + * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS. + * tm.texi: Remove doc for OBJC_INT_SELECTORS. + +Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com> + + * config/pa/quadlib.c: Add prototypes. + +2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.h (debug_bitmap): Delete redundant prototype. + + * rtl.h (get_frame_size): Likewise. + +2001-04-12 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify + to just emit an fnorm. + +2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.h (truthvalue_conversion, type_for_mode, + type_for_size): Delete redundant declarations. + + * c-lex.h (is_class_name): Likewise. + + * c-tree.h (pedantic, convert, getdecls, gettags, + global_bindings_p, init_decl_processing, insert_block, + maybe_build_cleanup, poplevel, print_lang_decl, + print_lang_identifier, print_lang_type, pushdecl, pushlevel, + set_block, incomplete_type_error, build_function_call, + lvalue_or_else, mark_addressable): Likewise. + + * expr.h (expand_tree_builtin): Likewise. + +2001-04-12 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi: Document --param max-gcse-memory. + +2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (errno): Check for declaration. + * configure, config.in: Regenerated. + + * system.h (errno): Only declare if not already done. + +2001-04-12 Alexandre Oliva <aoliva@redhat.com> + + * recog.c (general_operand, immediate_operand, + nonmemory_operand): Require CONST_INTs to be sign-extended + values for their modes. + +2001-04-12 Alexandre Oliva <aoliva@redhat.com> + + * expmed.c (store_bit_field): Truncate CONST_INTs. + (expand_mult_highpart, expand_divmod): Likewise. + * expr.c (convert_modes, store_field): Likewise. + * integrate.c (expand_inline_function): Use promote_mode() to + determine whether to convert_modes() an argument as signed + or unsigned. + * optabs.c (expand_binop): Get CONST_INT operands + sign-extended for their appropriate modes. + * stmt.c (emit_case_nodes): Convert node values to the + appropriate mode. + (expand_end_case): Convert minval and range to the appropriate + mode. + * unroll.c (loop_iterations): Truncate abs_diff to the mode of + the iteration variable. + * varasm.c (immed_double_const): Don't require words to be + narrower than host wide ints to properly sign-extend + CONST_INTs. + +2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sh.md (builtin_setjmp_receiver): New expander. + +2001-04-12 David Edelsohn <dje@watson.ibm.com> + + * config/rs6000/rs6000.c (rs6000_emit_move): Do not + special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria + for generating CONST_INT and CONST_DOUBLE. + +2001-04-12 Alexandre Oliva <aoliva@redhat.com> + + * config/rs6000/rs6000.c (logical_operand): CONST_INTs are + already sign-extended. + (rs6000_emit_prologue): Make register iterator signed. + (rs6000_emit_epilogue): Likewise. + * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high + and low. + (movsf split, movdf split): Sign-extend CONST_INTs. + (movdi splits): Likewise. + +2001-04-12 Kelley Cook <kelley.cook@home.com> + + * config-lang.in (lang_dirs): Add in zlib. + +2001-04-11 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT + operands that make it to RTL. + +2001-04-11 Stan Shebs <shebs@apple.com> + + Add Darwin (Mac OS X kernel) native support. + * config.gcc (powerpc-*-darwin*): Add native bits. + * config/darwin.c: New file, generic Darwin support functions. + * config/darwin.h: New file, generic Darwin definitions. + * config/darwin-protos.h: New file, generic Darwin prototypes. + * rs6000/darwin.h: New file, Darwin for PowerPC. + * rs6000/t-darwin: New file, Darwin makefile fragment. + * rs6000/rs6000.h (OBJECT_MACHO): New macro. + (TARGET_MACHO): Ditto. + (rs6000_abi): Add ABI_DARWIN. + (RS6000_REG_SAVE): Add ABI_DARWIN case. + (RS6000_SAVE_AREA): Ditto. + (FP_ARG_MAX_REG): Ditto. + (RETURN_ADDRESS_OFFSET): Ditto. + * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO + cases. + (rs6000_emit_move): Add ABI_DARWIN cases. + (print_operand): Ditto. + (first_reg_to_save): Ditto. + (rs6000_stack_info): Ditto, also align stack by 16 instead of 8. + (debug_stack_info): Ditto. + (rs6000_emit_prologue): Ditto. + (rs6000_emit_epilogue): Ditto. + (output_profiler_hook): Ditto. + (output_function_profiler): Ditto. + (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO. + (output_mi_thunk): Add TARGET_MACHO case. + (add_compiler_stub): Ditto. + (output_compiler_stub): Ditto. + (no_previous_def): Ditto. + (output_call): Ditto. + (machopic_output_stub): Ditto. + (rs6000_machopic_legitimize_pic_address): Ditto. + (toc_section): Ditto. + * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern. + (macho_high): Ditto. + (macho_low): Ditto. + (movsi_low): Ditto. + (load_macho_picbase): Ditto. + (call): Add TARGET_MACHO case to modify function. + (call_value): Ditto. + (call_nonlocal_sysv): Add ABI_DARWIN case. + (call_value_nonlocal_sysv): Ditto. + * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address): + Add prototype. + (machopic_output_stub): Ditto. + * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_. + +2001-04-11 Mark Mitchell <mark@codesourcery.com> + + * dwarf2out.c (modified_type_die): Don't create new types here. + * tree.h (get_qualified_type): New function. + (build_qualified_type): Adjust comment. + * tree.c (get_qualified_type): New function. + (build_qualified_type): Use it. + +2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpp.texi (-Wtraditional): Update description. + + * invoke.texi (-Wtraditional): Likewise. + +2001-04-11 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument + requires more than 64 bits of alignment. + +2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (do_line): Sanity check iff enable checking. + +2001-04-11 Richard Henderson <rth@redhat.com> + + * Makefile.in (insn-recog.o): Depend on toplev.h. + (insn-emit.o, doloop.o): Likewise. + * genrecog.c, genemit.c: Include toplev.h in generated file. + * doloop.c: Include toplev.h. + +2001-04-11 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (gcse.o): Depend on params.h. + * gcse.c: Include params.h. + (gcse_main): Don't do GCSE if doing so will take inordinate + amounts of memory. + * params.def (PARAM_MAX_GCSE_MEMORY): New parameter. + * params.h (MAX_GCSE_MEMORY): New macro. + +2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (insn-output.o): Depend on $(EXPR_H). + + * genoutput.c (output_prologue): Include expr.h in insn-output.c. + +2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined. + + * real.h (ereal_atof, real_value_truncate, target_isnan, + target_isinf, target_negative, assemble_real, debug_real): Delete + redundant prototypes. + + * Makefile.in (ifcvt.o): Depend on toplev.h. + + * c-semantics.c: Include expr.h. + + * ifcvt.c: Include toplev.h. + + * expr.h (rtx_equal_p): Delete prototype. + + * rtl.h (exact_log2_wide, floor_log2_wide, permalloc, + protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble, + eliminate_constant_term, expand_complex_abs, find_single_use, + make_tree, init_expr_once, init_optabs, supports_one_only): + Likewise. + + * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return, + rest_of_type_compilation, emit_queue, do_pending_stack_adjust, + expand_assignment, store_expr, emit_line_note_after, + emit_line_note_force, split_specs_attrs, label_rtx): Likewise. + + * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype. + + * sparc-protos.h: Delete redundant prototypes. + +2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com> + + * reload.c (push_reload): Add condition missed in SUBREG byte + offset patch. + +Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank. + +Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (floatsisf_sse): Fix output template + * i386.c (ix86_expand_fp_movcc) + + * reg-stack.c (emit_pop_insn): Handle complex modes. + (move_for_stack_reg): Emit proper move mode. + (subst_stack_regs_pat): Handle complex modes. + +2001-04-11 Jakub Jelinek <jakub@redhat.com> + + * cpplex.c (_cpp_lex_token): Only warn if -Wcomment. + +2001-04-10 Richard Henderson <rth@redhat.com> + + * libgcc2.h (__terminate_func_ptr): Remove typedef. + (__pure_virtual, __terminate, __terminate_set_func, + __default_terminate, __throw_type_match, __empty, + __get_eh_context, __get_eh_info, __get_dynamic_handler_chain, + __eh_rtime_match, __unwinding_cleanup, __rethrow, + __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free): + Remove prototypes of deleted functions. + +2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (convert_arguments): -Wtraditional now activates + -Wconversion warnings, except for changes in signed-ness. + Detect complex<->int & int<->complex conversions as well. + + * invoke.texi (-Wtraditional): Document it. + +Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (update_ld_motion_stores): Don't use variable I for an insn. + * flow.c (set_block_for_new_insns): Remove needless cast and + properly check for unset block number. + +2001-04-10 Andrew MacLeod <amacleod@redhat.com> + + * function.c (purge_single_hard_subreg_set): Only check REGNO if + the subreg was a hard register. Pseudos are left as subregs. + +2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro. + (LIB2ADD_ST): New macro, pass it to mklibgcc. + * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST. + (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a. + * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro. + +2001-04-09 Bo Thorsen <bo@suse.co.uk> + + * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + + * output.h (set_block_num): Missed it earlier, remove deprecated + prototype. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + + * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p. + (load_killed_in_block_p): Change bb parameter from int to basic_block. + (oprs_not_set_p): Pass basic_blocks instead of ints as parameters. + (handle_rd_kill_set): Change bb parameter from int to basic_block. + (compute_kill_rd): Pass basic_blocks instead of ints as parameters. + (expr_killed_p): Change bb parameter from int to basic_block, pass + basic_blocks instead of ints as parameters. + (compute_ae_kill): Pass basic_blocks instead of ints as parameters. + (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter + from int to basic_block, pass basic_blocks instead of ints as parms. + (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb + parameter from int to basic_block, pass basic_blocks instead of ints. + (process_insert_insn): Pass basic_blocks instead of ints as parameters. + (insert_insn_end_bb): Change bb parameter from int to basic_block, + pass basic_blocks instead of ints. + (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass + basic_blocks instead of ints as parameters. + (pre_delete): Pass basic_blocks instead of ints as parameters. + (hoist_expr_reaches_here_p): Change bb parameter from int to + basic_block, pass basic_blocks instead of ints. + (hoist_code): Pass basic_blocks instead of ints as parameters. + (reg_set_info, store_ops_ok, store_killed_after, store_killed_before): + Change bb parameter from int to basic_block. + (build_store_vectors): Pass basic_blocks instead of ints as parameters. + (insert_insn_start_bb): Change bb parameter from int to basic_block, + pass basic_blocks instead of ints. + (insert_store): Pass basic_blocks instead of ints as parameters. + (replace_store_insn, delete_store): Change bb parameter from int to + basic_block, pass basic_blocks instead of ints. + (store_motion): Pass basic_blocks instead of ints as parameters. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + + * basic-block.h (set_new_block_for_insns): New Prototype. + (set_block_num): Delete prototype. + * flow.c (set_block_num): Remove obsolete function. + (set_block_for_new_insns): Set BB for single or multiple insns. + * gcse.c (handle_avail_expr): Use set_block_for_new_insns. + (process_insn_end_bb): Use set_block_for_new_insns or + set_block_for_insn instead of set_block_num. + (pre_insert_copy_insn): Use set_block_for_new_insns. + (update_ld_motion_stores): Use set_block_for_new_insns. + (insert_insn_start_bb): Use set_block_for_new_insns. + (replace_store_insn): Use set_block_for_new_insns. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + Jeff Law <law@redhat.com> + + * alias.c (get_addr): Externalize. + (canon_true_dependence): New function. Behaves like true_dependance + except it already assumes a MEM has been canonicalized. + * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags. + * gcse.c (struct ls_expr): Add load/store expressions structure. + (modify_mem_list, canon_modify_mem_list): New variable. + (gcse_main): Initialize & finalize alias analysis. Use enhanced + load motion and store motion if requested. + (alloc_gcse_mem): Allocate space for modify_mem_list array. + (free_gcse_mem): Free the modify_mem_list array. + (oprs_unchanged_p): Use load_killed_in_block_p. + (gcse_mems_conflict_p, gcse_mem_operand): New variables. + (mems_conflict_for_gcse_p): New function. Don't kill loads + with stores to themselves if its in the load/store expression list. + (load_killed_in_block_p): New function. + (canon_list_insert): New Function. + (record_last_mem_set_info): Keep a list of all instructions which + can modify memory for each basic block. + (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list. + (oprs_not_set_p): Use load_killed_in_block_p. + (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info. + (expr_killed_p): Use load_killed_in_block_p. + (compute_transp): Do not pessimize memory references. + (pre_edge_insert): Update stores for a load motion expression. + (one_pre_gcse_pass): Check loads/stores for extra load motion. + (ldst_entry): Find or create a ldst_expr structure. + (free_ldst_entry): Free memory for an individual item. + (free_ldst_mems): Free entire load/store expression list. + (print_ldst_list): Print debug info. + (find_rtx_in_ldst): Try to find an rtx expression in the ldst list. + (enumerate_ldsts): Assign integer values to each entry in list. + (first_ls_expr): First expression in the list. + (next_ls_expr): Next expression in the list. + (simple_mem): Check if expression qualifies for ld/st expression list. + (invalidate_any_buried_refs): Remove from expression list if its + used in some other way we don't understand. + (compute_ld_motion_mems): Find all potential enhanced load motion + expression. + (trim_ld_motion_mems): Remove any expressions which are invalid. + (update_ld_motion_stores): Copy store values to registers for loads + which have been moved. + (regvec, st_antloc, num_store): New global statics. + (reg_set_info): Marks registers as set. + (store_ops_ok): Verfies registers expressions are valid in a block. + (find_moveable_store): Look for moveable stores in a pattern. + (compute_store_table): Find stores in a function worth moving, maybe. + (load_kills_store): Check dependence of a load and store. + (find_loads): Find any loads in a pattern. + (store_killed_in_insn): Check if a store is killed in an insn. + (store_killed_after): Check is store killed after an insn in a block. + (store_killed_before): Check is store killed before an insn in a block. + (build_store_vectors): Generate the antic and avail vectors. + (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD. + (insert_store): Add a store to an edge. + (replace_store_insn): Replace a store with a SET insn. + (delete_store): Delete a store insn. + (free_store_memory): Free memory. + (store_motion): Perform store motion. + * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm. + * rtl.h (get_addr, canon_true_dependence): Add prototypes. + * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables. + (f_options): Add gcse-lm and gcse-sm. + +Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (expand_fp_movcc): Fix condition reversal code. + + * i386.c (ix86_register_move_cost): Fix handling of reformating penalty + * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New. + (CLASS_MAX_NREGS): Use it. + + * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit; + handle properly complex values. + (CLASS_MAX_NREGS): Likewise; update comment. + +2001-04-05 Bernd Schmidt <bernds@redhat.com> + + * ia64.c (ia64_flag_schedule_insns2): New variable. + (ia64_override_options): Initialize it. Clear + flag_schedule_insns_after_reload. + (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2. + +Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives; + Do not require source to match destination anymore; + Add abort to the nontrivial cases that should be handled by split. + (fix_trunc?fdi): Add SSE case for x86_64. + (floatdi?f): Likewise. + (floatdi?f_sse): New. + (fix_trunc?fdi_sse): New. + +2001-04-09 Richard Sandiford <rsandifo@redhat.com> + + * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label. + (DEBUG_ARANGES_END_LABEL): Ditto. + (dwarfout_init): Generate length and version fields at the start + of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL + after the length field. + (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of + the .debug_aranges info. + +Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (call, call_value): Make sure that resulting call_insn + does have proper second operand. + +Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete + function. Remove include of sys/cygwin.h. + +Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default. + (CPP_SPEC): Always search */include/w32api for header files. + (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL. + (LINK_SPEC): Add "cyg" to the library search prefixes. + +2001-04-08 Philip Blundell <philb@gnu.org> + + * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf. + +2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_location): Don't special case <stdin>. + (_cpp_begin_message): Handle WARNING_SYSHDR the same as + WARNING, but we don't check if we're in system headers. + * cpplib.h (enum error_type): WARNING_SYSHDR: New. + * cpplib.c (do_warning): Warn in system headers. + +2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU> + + * mbchar.c: Include config.h first. + +2001-04-07 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Set default for xmake_file at top, not bottom. + Change places that set xmake_file to "none" to set to the + empty string instead, or remove them entirely if there is no + default xmake_file for this cpu_type. Remove references to + deleted files. + + * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi, + config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000, + config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3, + config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix, + config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds, + config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas, + config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1, + config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach, + config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx, + config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4: + Delete. + + * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf, + config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3, + config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony, + config/mips/x-sysv, config/rs6000/x-aix31: + Just set CLIB to -lld or -lmld, as appropriate. + + * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux, + config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320, + config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux, + config/mips/x-iris, config/pa/x-pa: + Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO, + OTHER_FIXINCLUDES_DIRS. + + * config/i386/x-djgpp: Don't set LN or LN_S. + * config/m88k/x-dolph: Don't define __m88k__. + * config/m88k/x-tekXD88: Don't set AR_FLAGS. + * config/pa/x-pa-mpeix: Just set up quadlib.asm. + * config/i860/fx2800.h: No need to #undef SVR4. + + 38 x-host fragments remain, 2 x-cpu. + +2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4. + +2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>. + +2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * configure.in: Add check for lstat. + * configure, config.in: Regenerate. + * cppinit.c (append_include_chain): Make empty path ".". + * cpplib.c (do_line): Don't simplify #line paths. + * cppfiles.c (remove_component_p): New function. + (find_or_create_entry): Acknowledge stat () errors during + path simplification. + (handle_missing_header): Don't simplify paths. + (_cpp_simplify_pathname): Don't simplify VMS paths. Return + the empty path untouched. Don't leave a trailing '/'. + +2001-04-06 Benjamin Kosnik <bkoz@redhat.com> + + * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add. + * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add. + +2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (open_file): Fail directories silently, but + with an errno of NOENT set. + (read_include_file): Move the common exit code to the sole + caller. Return an int indicating success or failure. Let + open_file handle directories. + (stack_include_file): If read_include_file fails, + push a "null" buffer. + +2001-04-05 DJ Delorie <dj@redhat.com> + + * function.h (virtuals_instantiated): Declare. + * function.c: (virtuals_instantiated): Make global. + * calls.c (emit_library_call_value_1): Use + virtual_outgoing_args_rtx only if it hasn't been instantiated. + Otherwise, use the stack pointer directly. + +Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_initialize_trampoline): New global function. + * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64. + (INITIALIZE_TRAMPOLINE): Move offline. + * i386-protos.h (x86_initialize_trampoline): Declare. + +Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movdi_1_rex64): Allow SSE->SSE reg move. + (lea_0): Rename to lea_1. + (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns. + (lea_general_?): Allow SImodes on TARGET_64BIT + (lea_general_?_zext): New patterns. + (call_1, call_1_rex64): Fix. + +Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address. + +Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (function_arg): Return constm1_rtx for last argument. + (ix86_expand_prologue): Update gen_call calls. + * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise. + * i386.md (call_pop): Likewise. + (call): Second operand is VOIDmode. + (call_0): Likewise; Support 64bits. + (call_exp): New expander. + (call_1): Get to the sync. + (call_1_exp): New pattern. + (call_value): Support 64bit. + (call_value_exp): New pattern. + (untyped_call): Update gen_call call. + (call_value_pop): Disable for 64bit. + (call_value_0_rex64): New pattern. + (call_value_1_rex64): Likewise. + +2001-04-05 Bo Thorsen <bo@suse.de> + + * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT. + +Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com> + + * i386.md (*andsi_1+3): If used after reload, make sure the operand + satisfies ANY_QI_REG_P. + +2001-04-05 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain + ASM_OPERAND. + + * sched-deps.c (sched_analyze_insn): Revert more of the March 27 + change. + +2001-04-04 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Remove default for xm_file. Clean up local + machine type handling. Remove settings of xm_file to + something that doesn't exist. In the big switch, set xm_file, + don't append to it (the value before the big switch is always + null). Don't force build_xm_file or host_xm_file to have a value. + * configure.in: Remove default for xm_file. Do not special + case $cpu/xm-$cpu.h not existing. + * configure: Regenerate. + +2001-04-04 Diego Novillo <dnovillo@redhat.com> + + * simplify-rtx.c (simplify_binary_operation): Check for overflow + when folding integer division and modulo operations. + +2001-04-04 Andrew MacLeod <amacleod@redhat.com> + + * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE + instead of DWARF2_ADDR_SIZE for EH addresses. + (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for + EH addresses. + +2001-04-04 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable. + * config/ia64/t-glibc (LIB2ADDEH): Disable. + * config/ia64/t-ia64 (LIB2ADDEH): Disable. + +2001-04-04 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_leb128): Escape "." in regexp. + * configure: Rebuilt. + +2001-04-04 Jakub Jelinek <jakub@redhat.com> + + * gcse.c (delete_null_pointer_checks_1): Add delete_list argument, + push insns to delete to it instead of deleting them. + (delete_null_pointer_checks): Delete insns from delete_list after + all delete_null_pointer_checks_1 passes are done. + +2001-04-04 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_leb128): Tweek minor number extraction. + * configure: Rebuilt. + +2001-04-04 Zack Weinberg <zackw@stanford.edu> + + * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic. + * config/romp/xm-romp.h: Delete. + +2001-04-04 Bernd Schmidt <bernds@redhat.com> + + * sched-deps.c (sched_analyze_insn): Partially revert March 27 + change. + +2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * emit-rtl.c (mark_label_nuses) Increment the label uses for + all labels present in rtx. + (try_split) Call new function for all split insns. + +2001-04-04 Jakub Jelinek <jakub@redhat.com> + + * recog.c (validate_replace_rtx_1): Instead of aborting just make + sure the change won't be validated. + +Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com) + + * rtl.h (set_noop_p): Declare. + * flow.c (set_noop_p): Move from here ... + * rtlanal.c (set_noop_p): ... to here and enhance. + * cse.c (delete_trivially_dead_insns): Use it. + * gcse.c (hash_scan_set): Likewise. + * jump.c (delete_noop_moves): Likewise. + * recog.c (split_all_insns): Likewise. + +2001-04-04 Alan Modra <alan@linuxcare.com.au> + + * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting + stack pointer via a LO_SUM. Ditto for setting a temp register + used to save to the stack. Set cfa_temp when setting fp, and + allow matches to cfa_temp in addition to cfa_store when saving + regs. Handle POST_INC and LO_SUM register stores. Document the + changes and errors in rule 12 doco. + + * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn. + (actual_fsize, local_fsize, save_fregs): Move for store_reg to see. + (load_reg): Move closer to epilogue code. + (DO_FRAME_NOTES): Define to control the following.. + (FRP): Define to set RTX_FRAME_RELATED_P on insns. + (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR + notes as necessary. + (hppa_expand_epilogue): Likewise. + +2001-04-03 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_leb128): Reject gas before 2.11. + * configure: Rebuild. + +2001-04-03 Richard Henderson <rth@redhat.com> + + * rtl.h (LCT_THROW): New. + * calls.c (emit_library_call_value_1): Handle it. + * except.c (connect_post_landing_pads): Use it. + +2001-04-03 Zack Weinberg <zackw@stanford.edu> + + * gansidecl.h: Delete file. + * configure.in: Change all refs to gansidecl.h to use + ansidecl.h. Adjust *_file_list so they know where ansidecl.h + lives. + * configure: Regenerate. + + * Makefile.in (intl.o): Don't depend on gansidecl.h. + * defaults.h: s/gansidecl.h/ansidecl.h/ in comment. + * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c: + Don't include gansidecl.h. + * intl.c, main.c, version.c, fixinc/fixlib.h, + fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not + gansidecl.h. + +Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_force_to_memory, ix86_free_from_memory): + Update for 64bit. + +2001-04-03 Zack Weinberg <zackw@stanford.edu> + + * config/i386/xm-beos.h, config/i386/xm-isc.h, + config/i386/xm-next.h, config/i386/xm-sco.h, + config/i386/xm-sco5.h, config/m68k/xm-plexus.h, + config/m88k/xm-m88k.h: Delete. + + * config/i386/xm-djgpp.h: Don't define __MSDOS__. + * config/romp/xm-romp.h: Don't define bcopy. + * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF, + HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA. + + * config.gcc: Remove references to deleted files. + + 14 xm-host.h remain, 1 xm-cpu.h. + +2001-04-03 Jakub Jelinek <jakub@redhat.com> + David S. Miller <davem@pierdol.cobaltmicro.com> + Andrew MacLeod <amacleod@redhat.com> + + Use byte offsets in SUBREGs instead of words. + + * alias.c (nonlocal_mentioned_p): Use subreg_regno function. + * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno + to pass new argument. + (add_stored_regs): Use subreg_regno_offset function. + * calls.c (expand_call): For non-paradoxical SUBREG take endianess + into account. + (precompute_arguments): Use gen_lowpart_SUBREG. + * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG. + (combine_simplify_rtx): Rework to use SUBREG_BYTE. + (simplify_set): Rework to use SUBREG_BYTE. + (expand_field_assignment): Use SUBREG_BYTE. + (make_extraction): Use SUBREG_BYTE. + (if_then_else_cond): Use SUBREG_BYTE. + (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments. + (gen_lowpart_for_combine): Compute full byte offset. + * cse.c (mention_regs): Use SUBREG_BYTE. + (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE. + (canon_hash): Use SUBREG_BYTE. + (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword. + (gen_lowpart_if_possible): Formatting. + * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos + correctly. + * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG + (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG + (loc_descriptor): Fixup explicit XEXP into SUBREG_REG + * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG + (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG + (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG + * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify + certain invariants about SUBREGs the compiler creates. + (gen_lowpart_SUBREG): New function. + (subreg_hard_regno): New function to get the final register number. + (gen_lowpart_common): Use SUBREG_BYTE. + (gen_imagpart): Spacing nits. + (subreg_realpart_p): Use SUBREG_BYTE. + (gen_highpart): Use SUBREG_BYTE. + (subreg_lowpart_p): Always compute endian corrected goal offset, + even at the byte level, then compare against that. + (constant_subword): New function, pulled out all constant cases + from operand_subword and changed second argument name to offset. + (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early + and call constant_subword to do the work. Return const0_rtx if + looking for a word outside of OP. + (operand_subword_force): Change second arg name to offset. + * expmed.c (store_bit_field): Use SUBREG_BYTE. + (store_split_bit_field): Use SUBREG_BYTE. + (extract_bit_field): Use SUBREG_BYTE. + (extract_split_bit_field): Use SUBREG_BYTE. + (expand_shift): Use SUBREG_BYTE. + * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG. + * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE. + * flow.c (set_noop_p): Use SUBREG_BYTE. + (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead. + * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG. + (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian + correction code. + (optimize_bit_field): Use SUBREG_BYTE. + (purge_addressof_1): Use SUBREG_BYTE. + (purge_single_hard_subreg_set): Use subreg_regno_offset function. + (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are + actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true. + * gengenrtl.c (special_rtx): Add SUBREG. + * global.c (mark_reg_store): Use SUBREG_BYTE. + (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE. + * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE. + * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure + final byte offset is congruent to subreg's mode size. + (subst_constants): Use SUBREG_BYTE. + (mark_stores): Use subreg_regno_offset function. + * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset + function and SUBREG_BYTE. + * local-alloc.c (combine_regs): Use subreg_regno_offset function. + (reg_is_born): Use subreg_hard_regno. + * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte + endian correction code. Don't combine subregs unless resulting + offset aligns with type. Fix subreg constant extraction for DImode. + Simplify SUBREG of VOIDmode CONST_DOUBLE. + (general_operand): Remove dead mode_altering_drug code. + (indirect_operand): Use SUBREG_BYTE. + (constrain_operands): Use subreg_regno_offset function. + * reg-stack.c (get_true_reg): Use subreg_regno_offset function. + * regmove.c (regmove_optimize): Use SUBREG_BYTE. + (optimize_reg_copy_3): Use gen_lowpart_SUBREG. + * regs.h (REG_SIZE): Allow target to override. + (REGMODE_NATURAL_SIZE): New macro which target can override. + * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used + on the entire subreg rtx. + (push_reload): Use SUBREG_BYTE in comments and code. + (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets + for hard registers inside subregs. + (operands_match_p): Use subreg_regno_offset. + (find_reloads): Use SUBREG_BYTE and only advance offset for subregs + containing hard regs. + (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian + corrections when fixing up MEM subregs. + (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and + subreg_regno_offset where appropriate. + (find_reloads_subreg_address): Use SUBREG_BYTE. Remove + byte endian corrections when fixing up MEM subregs. + (subst_reloads): When combining two subregs, make sure final + offset is congruent to subreg's mode size. + (find_replacement): Use SUBREG_BYTE and subreg_regno_offset. + (refers_to_regno_for_reload_p): Use subreg_regno. + (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset. + * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian + correction code for memory subreg fixups. + (forget_old_reload_1): Use subreg_regno_offset. + (choose_reload_regs): Use subreg_regno. + (emit_input_reload_insns): Use SUBREG_BYTE. + (reload_combine_note_store): Use subreg_regno_offset. + (move2add_note_store): Use subreg_regno_offset. + * resource.c (update_live_status, mark_referenced_resources): Use + subreg_regno function. + (mark_set_resources): Use subreg_regno function. + * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE. + (subreg_regno_offset, subreg_regno): Define prototypes. + (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions. + (gen_lowpart_SUBREG): Add prototype. + * rtl.texi (subreg): Update to reflect new byte offset representation. + Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now. + * rtlanal.c (refers_to_regno_p): Use subreg_regno. + (reg_overlap_mentioned_p): Use subreg_regno. + (replace_regs); Make sure final offset of combined subreg is + congruent to size of subreg's mode. + (subreg_regno_offset): New function. + (subreg_regno): New function. + * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE. + * sdbout.c (sdbout_symbol): Compute offset using alter_subreg. + * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG. + * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead. + (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides. + * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno. + (a29k_get_reloaded_address): Use SUBREG_BYTE. + (print_operand): Use SUBREG_BYTE. + * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE. + * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE. + (arm_reload_out_hi): Use SUBREG_BYTE. + * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset + instead of SUBREG_WORD. + (d30v_print_operand_memory_reference): Use subreg_regno_offset. + * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix + SUBREG creation to use byte offset. + * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit + inverted load insns): Fix explicit rtl subregs to use byte + offsets. + * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3, + udivsi3, umodsi3): Generate SUBREGs with byte offsets. + * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE. + * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl + to use byte offsets. + (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets. + * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte + offsets, also make sure it is congruent to SUBREG's mode size. + (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2, + unnamed ldob insn): Generate SUBREGs with byte offset. + (zero_extendqihi2): SUBREG's are byte offsets. + * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE. + (m68hc11_gen_highpart): Use SUBREG_BYTE. + * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2, + zero-extendqisi2): Generate SUBREGs with byte offset. + (umulsidi3, mulsidi3, subreghi1ashrdi_const32, + subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit + subregs in rtl to use byte offsets. + * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset. + * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset. + (mips_move_2words): Use subreg_regno_offset. + (mips_secondary_reload_class): Use subreg_regno_offset. + * config/mips/mips.md (DImode plus, minus, move, and logical op + splits): Fixup explicit subregs in rtl to use byte offsets. + * config/mn10200/mn10200.c (print_operand): Use subreg_regno function. + * config/mn10300/mn10300.c (print_operand): Use subreg_regno function. + * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in + rtl to use byte offsets. + * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE. + * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit + subregs to use byte offsets. + * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1): + Fixup explicit subregs in rtl to use byte offsets. + * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE + and remove byte endian correction code. + * config/sh/sh.c (output_movedouble): Use subreg_regno. + (gen_ashift_hi): Use SUBREG_BYTE. + (regs_used): Use subreg_regno_offset. + (machine_dependent_reorg): Use subreg_regno_offset. + * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE. + * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno. + (movdf_i4): Subregs are byte offsets now. + * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE. + * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed. + (REGMODE_NATURAL_SIZE): Override. + (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode. + * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs + with byte offsets. + (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2, + extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn, + extendqidi2): Generate SUBREGs with byte offsets, also make sure + it is congruent to SUBREG's mode size. + (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte + offsets. + (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc, + cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2, + lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper + SUBREG_BYTE offset for non-paradoxical subregs in patterns. + * config/v850/v850.c (print_operand, output_move_double): Use + subreg_regno function. + +2001-04-03 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (target_subdir): Use target_alias, not target. + * configure: Rebuilt. + + * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the + other way round. + * config/sh/crti.asm: Fix typos in comments. + +2001-04-03 Alan Modra <alan@linuxcare.com.au> + + * pa.h: Revise comments for TARGET_NO_SPACE_REGS and + TARGET_FAST_INDIRECT_CALLS. + * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with + -fPIC. Don't warn. + (return_addr_rtx): Short circuit export stub matching when + TARGET_NO_SPACE_REGS. + (output_millicode_call): For out of range calls, make -fPIC + take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't + return before delay slot checks when TARGET_PORTABLE_RUNTIME. + * pa.md: Modify length attr calculation of all millicode insns to + match above. + +2001-04-02 Geoffrey Keating <geoffk@redhat.com> + + * configure.in (gcc_cv_as_leb128): Correct name of cache variable. + Require at least 2.11 in the version test. Specifically check + for and reject GAS version 2.10.90. + * configure: regenerate. + +2001-04-03 Alan Modra <alan@linuxcare.com.au> + + * pa.c (override_options): Remove PIC profiling warning. + (hp_profile_labelno): Delete. + (hp_profile_label_rtx): Delete. + (hp_profile_label_name): Delete. + (pa_add_gc_roots): Remove reference to hp_profile_label_rtx. + (output_function_prologue): Remove profiling code and all tests on + profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that + merge_sp_adjust_with_store can work for PIC and profiling. + (hppa_expand_epilogue): Remove profile_flag test. + (hppa_can_use_return_insn_p): Likewise. + (hppa_init_pic_save): Emit before tail_recursion_reentry, and + cater for PROFILE_HOOK. + (hppa_profile_hook): New function. + * pa.h (FUNCTION_PROFILER): Now does nothing. + (PROFILE_HOOK): Define. + (hppa_profile_hook): Declare. + (PROFILE_BEFORE_PROLOGUE): Delete. + (ASM_OUTPUT_REG_PUSH): Delete. + (ASM_OUTPUT_REG_POP): Delete. + * pa.md (call_profiler): Turn it into a call insn, and don't `use' + r24. Accept function name operand, and use this and a locally + generated label to calculate pc-rel offset to func start. + +2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o, + ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on + $(SYSTEM_H). + +2001-04-03 Alan Modra <alan@linuxcare.com.au> + + * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and + LO_SUM cases to where they belong. + +2001-04-02 Richard Henderson <rth@redhat.com> + + * except.h (lang_eh_type_covers): Mark extern. + (lang_eh_runtime_type): Likewise. + +2001-04-02 Zack Weinberg <zackw@stanford.edu> + + * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c, + gengenrtl.c: Wrap generated header in multiple-include guard. + Improve error checking. + +2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Don't check for putenv. + * configure: Regenerate. + * gcc.c (putenv): Don't define. + * vax/xm-vms.h: Handle putenv. + +2001-04-02 Jakub Jelinek <jakub@redhat.com> + + * ifcvt.c (noce_emit_move_insn): New. + (noce_try_store_flag, noce_try_store_flag_constants, + noce_try_store_flag_inc, noce_try_store_flag_mask, + noce_try_cmove, noce_try_cmove_arith, noce_try_minmax, + noce_try_abs): Use it. + (noce_process_if_block): Likewise. + For STRICT_LOW_PART, take mode from its SUBREG. + +2001-04-02 Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (fold): Before optimizing unsigned comparison with + 0x7fffffffU, make sure arg0 is integral type. + +2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.texi: Document representation of wide strings. + +2001-04-01 Richard Henderson <rth@redhat.com> + + * except.h (expand_builtin_dwarf_fp_regnum): Declare. + +Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz> + + * i386.md: remove obsoleted comments. + (adddi_?): Rename to adddi_?_rex64; disable for 32bit. + (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64; + fix output template. + +2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/libgcc.S (__mulhi3): Optimize previous change. + +2001-03-30 Bernd Schmidt <bernds@redhat.com> + + * loop.c (load_mems): When generating a load from a pseudo, update + REGNO_LAST_UID. + +Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_split_long_move): Use change address to compensate + stack pointer change in push instruction. + +Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p + instead of rtx_equal_p; fix the output template. + +Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_setcc): Support 64bit. + (ix86_expand_int_movcc): Likewise. + * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64): + New patterns. + + * i386.md (allocate_stack_worker): Turn to expander. + (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns. + + * i386.c (print_reg): Do not print x86_64 style regs on IA-32 + +2001-03-29 Richard Henderson <rth@redhat.com> + + * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h. + +2001-03-28 Matthew Hiller <hiller@redhat.com> + + * config/mn10300/mn10300.md (cmpsi): Fix first alternative's + output template. + + * MAINTAINERS: Added self. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H. + Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection. + +2001-03-28 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to + operand_subword. + +2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN. + + * tradcif.y (yyerror): Likewise. Add format specifier in call to + `error'. + + * tradcpp.c (macroexpand): Likewise for call to `error_with_line'. + +2001-03-28 DJ Delorie <dj@redhat.com> + + * Makefile.in (stage1_build): Revert CFLAGS patch. + +2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop + when multiplier or multiplicand is zero. + +2001-03-28 Bernd Schmidt <bernds@redhat.com> + + * cselib.c (hash_rtx): Don't do tail recursion elimination by hand. + + * config/ia64/ia64.c (update_set_flags): New function, broken out of + rtx_needs_barrier. + (set_src_needs_barrier): Likewise. + (rtx_needs_barrier): For SET case, use these two functions. Rework + PARALLEL case to handle all inputs before all outputs. + (emit_insn_group_barriers): Call init_insn_group_barriers only if we + saw a label and no stop bit since then. + (maybe_rotate, process_epilogue): Add prototypes. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX, + not TARGET_TOC for special toc restore handling. + * config/rs6000/rs6000.md (eh_return): Likewise. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c (eligible_for_epilogue_delay): False if + current_function_calls_eh_return. + (output_function_epilogue): Handle eh_return. + * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove. + (EH_RETURN_DATA_REGNO): New. + (EH_RETURN_STACKADJ_RTX): New. + (EH_RETURN_HANDLER_RTX): New. + * config/sparc/sparc.md (call/short branch peepholes): Check + can_throw_internal instead of in_same_eh_region. + + * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space + for eh_return data registers. + (rs6000_emit_prologue): Save eh_return data registers. + (rs6000_emit_epilogue): Force inline restores if eh_return. + Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX. + * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset. + (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New. + (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and + the target uses one. + * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove. + (return_eh_si, return_eh_di): Remove. + (eh_return): New, from corpse of eh_epilogue. + (eh_set_lr_si, eh_set_lr_di): New. + + * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs. + (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs. + True for pic register if current_function_calls_eh_return. + (ix86_expand_epilogue): Change "emit_return" argument into "style". + Handle eh_return requirements. + * config/i386/i386.h (EH_RETURN_DATA_REGNO): New. + (EH_RETURN_STACKADJ_RTX): New. + * config/i386/i386.md (exception_receiver): Remove. + (eh_return, eh_return_1): New. + * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + + * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs. + (alpha_mark_machine_status): No eh_epilogue_sp_ofs ... + (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead. + * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs. + (EH_RETURN_DATA_REGNO): New. + (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New. + * config/alpha/alpha.md (eh_epilogue): Remove. + (exception_receiver): Use $26 for ldgp input. + * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * except.c: Rewrite entirely for IA-64 ABI exception handling. + * except.h: Likewise. + + * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c + (LIB2ADDEHDEP): New. + (LIB2FUNCS_EH): Remove. + (LIB2ADD): Remove LIB2ADDEH. + (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH. + (LIBGCC_DEPS): Use LIB2ADDEHDEP. + (crt{begin,end}[S].o): Likewise. + (except.o): Update includes. + * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP. + (libgcc2_c_dep): Use LIB2ADDEHDEP. + + * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end. + * bb-reorder.c (reorder_basic_blocks): Don't disable for EH. + * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New. + * builtins.c (expand_builtin): Implement it. + [BUILT_IN_EH_RETURN]: Update for nr arguments change. + * c-common.c (c_common_nodes_and_builtins): Declare it. + * c-decl.c (init_decl_processing): Update __builtin_eh_return. + * calls.c (libfunc_nothrow): Remove. + (emit_library_call_value_1): Don't call it. + * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h. + * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements. + (DW_EH_PE_*): New defines for pointer encoding in .eh_frame. + * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number. + (current_funcdef_number): Globalize. + (output_call_frame_info): Emit frame data if an lsda is needed. + Generate augmentation for personality routine. Don't play with + difference symbols. + (dwarf2out_begin_prologue): Record funcdef_number. + * dwarf2out.h (current_funcdef_number): Declare. + * expr.c (expand_expr): Update for except.h name changes. + Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR. + * expr.h (LTI_throw, LTI_rethrow): Remove. + (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove. + (LTI_eh_rtime_match): Remove. + (LTI_unwind_resume, LTI_eh_personality): Add. + (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add. + * final.c (final): Don't call check_exception_handler_labels, + init_insn_eh_region, or free_insn_eh_region. + (final_scan_insn): Always emit debug labels for + NOTE_INSN_EH_REGION notes. + * flags.h (flag_new_exceptions): Remove. + * flow.c (entry_exit_blocks): Remove eh_beg, eh_end. + (record_active_eh_regions): Remove. + (count_basic_blocks): Check all instructions for REG_EH_REGION. + Use can_throw_internal. + (find_basic_blocks_1): Likewise. + (move_stray_eh_region_notes): Remove. + (find_label_refs): No eh_return_stub_label. + (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX. + (make_eh_edge): No eh_nest_info. Update for reachable_handlers + changes. + (delete_unreachable_blocks): Don't track deleted handlers. + (flow_delete_block): Use maybe_remove_eh_handler. + (delete_eh_regions): Remove. + (merge_blocks): Don't check for eh region match. + (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO, + EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX. + (init_propagate_block_info): Disable dead frame store optimization + when current_function_calls_eh_return. + (dump_bb): Don't print eh_beg, eh_end. + * function.c (fixup_var_refs): No catch_clauses. + (expand_function_end): Likewise. Call expand_eh_return before + the return register use. Call sjlj_emit_function_exit_after. + (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions. + * function.h (struct function): Add calls_eh_return, uses_eh_lsda. + * ifcvt.c (dead_or_predicable): Remove eh region check. + * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return. + Don't check for EH vs parameters. + (expand_inline_function_eh_labelmap, eif_eh_map): Remove. + (expand_inline_function): Call duplicate_eh_regions. + (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END. + (copy_insn_notes): Remap REG_EH_REGION notes. + (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check. + * integrate.h (struct inline_remap): Add local_return_label. + * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor + check_exception_handler_labels, nor exception_optimize. + (find_cross_jump): No EH region check. + * optabs.c (init_optabs): Update for changed eh libfuncs. + * rtl.def (RESX): New. + * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove. + * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p + checks. Update for except.h name changes. + (expand_cleanups): Likewise. + (expand_dcc_cleanup, expand_dhc_cleanup): Remove. + * toplev.c (dump_file_index, dump_file): Add .02.eh dump. + (compile_file): Call init_eh before init_optabs. Don't + output_exception_table here. + (rest_of_compilation): Call convert_from_eh_region_ranges, + convert_to_eh_region_ranges, output_function_exception_table. + Don't emit_eh_context. + * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove. + (EXC_PTR_EXPR): New. + + * md.texi (eh_epilogue): Remove. + (eh_return): Document. + * tm.texi (EH_RETURN_DATA_REGNO): Document. + (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document. + + * eh-common.h: Remove file. + * frame-dwarf2.c, frame.c, frame.h: Remove files. + * libgcc2.c (L_eh): Remove. + + * unwind-dw2-fde.c: New file, largely copied from frame.c. + * unwind-dw2-fde.h: New file. + * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c. + * unwind-sjlj.c, unwind.h, unwind.inc: New files. + * libgcc-std.ver: Update for eh symbols. + +2001-03-27 Richard Henderson <rth@redhat.com> + + * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to + reduce false positives. + (regmove_optimize): Disable if flag_non_call_exceptions. + + * stmt.c (expand_return): Remove always true predicate. + (expand_decl_cleanup_no_eh): Remove dead code. + + * sched-deps.c (sched_analyze_insn): Consolidate scheduling + barrier code. Add a scheduling barrier if a non-call insn + can throw internally. + + * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap. + Auto-inc addresses trap only if their base register does. + + * except.c (can_throw_internal): Rename from can_throw. + * except.h, resource.c: Update references. + + * integrate.c (copy_insn_list): Use returnjump_p. + (copy_insn_notes): Recurse for CALL_PLACEHOLDER. + + * function.h (struct function): Move all boolean valued fields + to single bit fields at the end of the struct. + + * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c, + jump.c, toplev.c: + Rename asynchronous_exceptions to flag_non_call_exceptions. + + * gthr-single.h (UNUSED): New. Distinguish between how C + and C++ mark unused function arguments. Use throughout. + + * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS + value to target configuration header. + * configure.in (CONFIG_SJLJ_EXCEPTIONS): New. + * config.in, configure: Rebuild. + * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on + configuration and target defines. + (exceptions_via_longjmp): Remove. + * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c: + Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp. + + * except.h (flag_non_call_exceptions): Move ... + * flags.h: ... here. + + * combine.c (distribute_notes) [REG_EH_REGION]: If non-call + exceptions, put the note on the trapping instruction. + + * flags.h (flag_new_exceptions): Remove. + * toplev.c: Don't set it. + * final.c: Don't check it. + * except.c: Provide stub definition. + + * flow.c (tidy_fallthru_edges): Don't combine complex edges. + (calculate_global_regs_live): Kill call-clobbered registers + across exception edges. + * reg-stack.c (convert_regs_1): Kill the entire target stack + across non-call exception edges. + + * flow.c (cleanup_cfg): Take no argument. + * output.h, sibcall.c, toplev.c: Update all calls. + +2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Don't check for bcopy. + * configure, config.in: Regenerate. + + * system.h: Don't define or prototype bcopy, instead poison it. + +2001-03-27 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_start): Set DECL_REGISTER on + a pseudo used for DECL_RESULT. + + * rtl.h (LCT_NORETURN): New. + * calls.c (emit_library_call_value_1): Handle it. + +2001-03-27 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (objc_init): Use dump_base_name. + (gen_declaration): Clear the buffer arg. + (gen_declaration_1): New function, body of gen_declaration. + (adorn_decl): Call gen_declaration_1 instead of gen_declaration. + (gen_method_decl): Ditto, plus always clear buffer arg. + (error_with_ivar): Simplify. + (warn_with_method): Ditto. + (build_message_expr): Don't clear buffers. + (dump_interface): Ditto. + (objc_debug): Ditto. + (build_keyword_selector): Clear the buffer by only zeroing + the first element. + (objc_implementation_context): Declare. + (start_class): Warn about missing @end. + (finish_objc): Ditto. + +2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * reload1.c (eliminate_regs): Don't abort on MEM USEs. + +2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (SYSTEM_H): Define. + Depend on $(SYSTEM_H), not system.h. + + * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h. + +2001-03-27 Jim Wilson <wilson@redhat.com> + + * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call + IA64_UNWIND_EMIT. + * config/ia64/ia64.c (block_num, need_copy_state): New static vars. + (process_epilogue): New static function. + (process_set): Call process_epilogue instead of emitting .restore + directly. + (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK. + + * flow.c (struct reg_cond_life_info): New fields orig_condition + and stores. + (init_propagate_block_info): Set new fields. + (mark_regno_cond_dead): Set and use new fields. + (flush_reg_cond_reg_1): Likewise. + (and_reg_cond, case AND): Check for redundant AND conditions. + (mark_used_reg): Delete unnecessary clears before freeing splay trees. + Set new fields. + +2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (stringify_arg): Null terminate strings. + +2001-03-27 Zack Weinberg <zackw@stanford.edu> + + * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h + inclusion style. xm-m68hc11.h no longer exists. + * config/m68hc11/xm-m68hc11.h: Delete file. + * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style. + + * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style. + Don't define GCC_VERSION, N_, or PARAMS; don't include + gansidecl.h or stdio.h. Define inhibit_libc here. + Make code conditioned on #if GCC_VERSION > 2095 unconditional. + Delete code conditioned on #if GCC_VERSION == 2095. + + * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c: + Make code conditioned on #if GCC_VERSION > 2095 unconditional. + Delete code conditioned on #if GCC_VERSION == 2095. + +2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Include symcat.h. + (STRINGIFY): Don't define. + + * configure.in: Adjust comment. + + * builtins.c: Use STRINGX, not STRINGIFY. + * gencheck.c: Likewise. + * gengenrtl.c: Likewise. + * protoize.c: Likewise. + + * cpplex.c: Don't include symcat.h. + * cpplib.c: Likewise. + + * gansidecl.h (HAVE_STRINGIZE): Don't define. + +2001-03-27 Alan Modra <alan@linuxcare.com.au> + + * c-typeck.c (digest_init): Fold init expression. + +2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy. + +2001-03-27 Alan Modra <alan@linuxcare.com.au> + + * except.c (eh_regs): Save results of build_pointer_type to a temp + as FUNCTION_VALUE macro may evaluate its args multiple times. + +2001-03-26 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (DECL_NUM_STMTS): New macro. + * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not + DECL_FRAME_SIZE. + (pushdecl): Likewise. + * c-semantics.c (add_stmt): Update DECL_NUM_STMTS. + * integrate.c (expand_inline_function): Don't check + DECL_FRAME_SIZE. + * print-tree.c (print_node): Don't print it. + * toplev.c (rest_of_compilation): Don't try to inline when + flag_no_inline is on. + * tree.h (DECL_FRAME_SIZE): Remove. + (tree_decl): Adjust accordingly. + +2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * combine.c (try_combine): Use memcpy, not bcopy. + + * genattrtab.c (expand_units): Likewise. + +Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (push mem DI peep2): New. + (mov 0, mov -1 peep2): Handle 64bit. + (lea to arithmetics peep2): Handle 64bit leas. + (rsp arithmetics to push/pop peep2s): New. + + * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand. + +Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (struct machine_function): Add save_varrargs_registers. + (ix86_save_varrargs_registers): New macro. + (ix86_frame_layout): Support 64bit; support red zones and varrargs area. + (ix86_expand_prologue): Likewise. + (ix86_emit_epilogue_esp_adjustement): Likewise. + (ix86_expand_epilogue): Likewise. + * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit. + (pro_epilogue_adjust_stack_1): New insn. + (pro_epilogue_adjust_stack_rex64): Likewise. + * i386.h (MASK_NO_RED_ZONE): New constant. + (TARGET_RED_ZONE): New macro. + (TARGET_OPTIONS): Add "red-zone" and "no-red-zone" + (RED_ZONE_SIZE): New constant. + (RED_ZONE_RESERVE): New constant. + +2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (set_float_handler): Use memcpy, not bcopy. + +2001-03-25 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (umodqi3): Output a tab instead of a + space. + (modqi3): Likewise. + (umodhi3): Likewise. + (modhi3): Likewise. + +2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mkconfig.sh (DEFINES): Handle entries with '='. + + * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h. + Set xm_defines to MACRO=value instead. + + * i370/xm-mvs.h: Delete. + + * ns32k/xm-pc532-min.h: Likewise. + +Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to + shiftdi_operand; + use ix86_expand_binary_operator + (?sh??i_?): Disable for 64bit. + * i386.h (PREDICATE_CODES): Add shiftdi_operand. + * i386.c (shiftdi_operand): New predicate. + + * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext, + ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64, + ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext, + ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext, + ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64, + lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext, + lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext, + rotlsi3_1_one_bit_rex64, rotldi3_1_rex64, + rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64, + rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns. + (rotldi3, rotrdi3): New expanders. + +Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movstrsi): Move offline. + (movstrdi): New. + (strmovdi_rex64): New. + (strmov?i): Accept 64bit. + (strmov?i_rex64): New. + (strmov?i_rex_1): New. + (strmov?i_1): Disable for 64bit. + (rep_mov?i_rex64): New. + (rep_mov?i): Disable for 64bit. + (clrstrsi): Move offline. + (strset?i_rex64): New. + (strset?i: Accept 64bit. + (rep_stos?i): Disable for 64bit. + (rep_stos?i_rex64): New. + (strset?i_rex_1): New. + (strset?i_1): Disable for 64bit. + (cmpstrsi): Accept 64bit. + (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit. + (cmpstrqi_nz_rex_1): New. + (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit. + (strlensi): Move offline. + (strlendi): New. + (strlenqi_1): Disable for 64bit; fix constraints. + (strlenqi_rex_1): New. + * i386.c (ix86_adjust_counter): New static function. + (ix86_zero_extend_to_Pmode): Likewise. + (ix86_expand_aligntest): Likweise. + (ix86_expand_strlensi_unroll_1): Make static; update for 64bit. + (ix86_expand_movstr): New global function. + (ix86_expand_clrstr): New global function. + (ix86_expand_strlen): New global function. + * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr, + ix86_expand_strlen): Declare. + (ix86_expand_strlensi_unroll_1): Delete. + +Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (cmpdi): Fix operand predicates. + (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64, + cmpdi_1_insn_rex64): New patterns. + (adddi3): Turn to expander. + (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns. + (addsi3_carry_zext): New pattern. + (adddi_?_rex64): New patterns and splitters. + (addsi_?_zext): New patterns. + (subsi3_carry_zext): New pattern. + (subdi_?_rex64): New patterns and splitters. + (iorsi_?_zext): New patterns. + (iordi_?_rex64): New patterns and splitters. + (iorsi_?_zext): New patterns. + (iorsi_?_zext_imm): New patterns. + (xorsi_?_zext): New patterns. + (xordi_?_rex64): New patterns and splitters. + (xorsi_?_zext): New patterns. + (negdi*): New patterns. + (one_cmpldi*): Likewise. + (one_cmplsi*_zext, negsi*_zext): Likewise. + (testqi_ext_3_rex64): New pattern. + +Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (ix86_split_long_move): Return void. + * i386.c (ix86_split_to_parts): Handle 64bit target. + (ix86_split_long_move): Likewise. + * i386.md (all calls to ix86_split_long_move): Update. + +2001-03-23 Richard Henderson <rth@redhat.com> + + * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables + to avoid shadowing arguments. + +2001-03-23 Jakub Jelinek <jakub@redhat.com> + + * varasm.c (make_decl_rtl): Don't append var_labelno discriminator + to variable names where DECL_NAME is different from + DECL_ASSEMBLER_NAME. + +2001-03-23 Jim Wilson <wilson@redhat.com> + + * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test. + (assemble_alias): Call make_decl_rtl. + +Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com> + + * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type. + +2001-03-23 Bryce McKinlay <bryce@albatross.co.nz> + + * extend.texi: Document the "java_interface" attribute. + +2001-03-22 Zack Weinberg <zackw@stanford.edu> + + * mkconfig.sh: Use a subshell with redirected stdout, + instead of closing stdout and confusing commands that run + afterward. Throw away output of cmp. + +2001-03-22 Gordon Sadler <gbsadler1@lcisp.com> + + * Makefile.in (stage1_build): Pass CFLAGS to stage1_build. + +Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (zero_extendsidi2_32): Break out from ... + (zero_extendsidi2): ... here ; turn to expander. + (zero_extendsidi2_rex64): New. + (extendsidi2_32): Break out from ... + (extendsidi2): ... here ; turn to expander. + (extendsidi2_rex64): New. + (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New. + (trunc?f?f splitters): Add 64bit versions. + +Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pushsi, pushsi2_prologue): Disable. + (pushsi2_rex64): New. + (movabs?i_1_rex64, movabs?i_2_rex64): New. + (movqi_ext_1): Disable for 64bit. + (movqi_ext_1_rex64): New. + (pushdi2_rex64): New pattern, peep2s and splitter. + (pushdi2_prologue_rex64): New pattern. + (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64): + Likewise. + (movdi splitters): Disable for 64bit. + (movdi_1_rex64): New pattern, peep2s and splitters. + (swapdi): New pattern. + (pushsf): Disable for 64bit. + (pushsf_rex64): New pattern and splitter. + (pushdf_nointeger): Disable for 64bit. + (pushdf_integer): Handle the 64bit case. + (pushtf): Likewise; update splitters. + +2001-03-22 Richard Henderson <rth@redhat.com> + + * mkconfig.sh: Include insn-flags.h. + * Makefile.in (CONFIG_H): Include insn-flags.h. + (lots of objects): Remove insn-codes.h and insn-flags.h. + + * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c, + integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c, + regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c, + avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c, + dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c, + i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c, + m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c, + mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c, + pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c, + v850/v850.c, vax/vax.c: + Don't include insn-flags.h. + + * diagnostic.c, expr.h, reload.c, toplev.c: + Don't include insn-codes.h. + + * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c, + final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c, + c4x/c4x.c, i960/i960.c, mips/mips.c: + Don't include insn-codes.h or insn-flags.h. + + * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h + or insn-flags.h in the generated code. + * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx". + (main): Forward declare struct rtx_def. + +2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi (-ffast-math): Remove duplicate line about + __FAST_MATH__. + + * gcc.texi: Remove more obsolete documentation of bugs and + installation problems. + +2001-03-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative + into two parts. + +2001-03-20 Jason Merrill <jason@redhat.com> + + * collect2.c (is_ctor_dtor): Always use '_' in the file fn names, + not '.' or '$'. + * tree.c (FILE_FUNCTION_FORMAT): Likewise. + * varasm.c (CHKR_PREFIX): Likewise. + +Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (hash_scan_set): An expression is not anticipatible if it + is part of a multi-SET insn. + + * cse.c (find_comparison_args): Remove previous change. + * ifcvt.c (noce_process_if_block): When moving an insn, remove any + REG_EQUAL notes. + + * config/i386/i386.md (conditional_trap): Remove warning. + + * recog.c (push_operand): Fix error in last change that caused + undefined symbol on many targets. + + * sdbout.c: #include ggc.h. + (sdbout_init): Move to end of file. + Call ggc_add_tree_root for anonymous_types. + (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME. + (sdbout_one_type): Use DECL_NAME for field name. + * Makefile.in (sdbout.o): Show includes ggc.h. + +Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (override_options): Default ix86_regparm to REGPARM_MAX. + (override_options): Use properlimits for preferred_stack_boundary. + (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes + on x86_64. + (ext_register_operand): Accept DImode. + (load_pic_register): Abort on 64bit. + (gen_push): Use Pmode instead of SImode. + (ix86_save_reg): Pic reg is never used on 64bit. + (ix86_expand_prologue): Likewise. + (ix86_emit_save_regs): Use Pmode instead of SImode. + (legitimate_address_p): Check displacement for 64bit. + (print_operand): Avoid outputting of (%rip) on 64bit. + (print_operand_address): Output (%rip) where possible. + (split_di): Abort on 64bit registers. + (ix86_expand_branch): DImode comparison is simple for x86_64. + (memory_address_length): Recognize memory addresses formed using + PRE/POST modify. + (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes + for x86_64. + * i386.h (TARGET_USE_SAHF): Disable for 64bit. + +Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (push_operand): Recognize new format of push instructions. + +Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pushqi1): New. + * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand, + x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand, + x86_64_immediate_operand, x86_64_immediate_operand, + x86_64_zext_immediate_operand): Declare. + * i386.c (x86_64_general_operand, x86_64_szext_general_operand, + x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand, + x86_64_immediate_operand, x86_64_immediate_operand, + x86_64_zext_immediate_operand): define. + * i386.h (PREDICATE_CODES): Add new predicates. + +Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pophi1, popqi1, pushqi1): Remove. + + * expr.c (emit_single_push_insn): New function. + (move_by_pieces): Accept NULL as destination for push instructions. + (gen_push_operand): Kill. + (emit_push_insn): Pass NULL when pushing; avoid updating of + stack_pointer_delta. + * expr.h (gen_push_operand): Kill. + +Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.texi (COMPARE): Clarify documentation and reference section + on comparisons. + +2001-03-20 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (get_static_reference): Use NULL_TREE. + (get_object_reference): Ditto. + (error_with_ivar): Use error_with_file_and_line. + (warn_with_method): Use warning_with_file_and_line. + +2001-03-20 Tom Tromey <tromey@redhat.com> + + * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi. + +2001-03-20 Mark Mitchell <mark@codesourcery.com> + + * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for + variables that are TREE_PUBLIC, even if not TREE_STATIC. + +2001-03-20 DJ Delorie <dj@redhat.com> + + * Makefile.in (install-libgcc): Pass complete list of variables. + (install-multilib): Ditto. + +2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/cygwin.h: Declare ctor_section, dtor_section + drectve_section, switch_to_section. + + * winnt.c: Declare functions associated_type, gen_stdcall_suffix, + i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport, + i386_pe_mark_dllimport. + +2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/cygwin.h: Include <stdio.h> Declare and constify + functions i386_pe_*. + + * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify + i386_pe_* functions with char * arguments. + +2001-03-20 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load + and store. + (movsi_ie): Introduce fpul store. + +2001-03-20 Alan Modra <alan@linuxcare.com.au> + + * Makefile.in (OBJS): Remove hashtab.o. + +2001-03-19 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (maybe_objc_method_name): Remove, never called. + * c-lang.c (maybe_objc_method_name): Ditto. + * c-tree.h (maybe_objc_method_name): Remove decl. + +2001-03-19 Tom Tromey <tromey@redhat.com> + + * gcc.c (init_gcc_specs): Fix comment. + +2001-03-19 Mark Mitchell <mark@codesourcery.com> + + Compute DECL_ASSEMBLER_NAME lazily. + * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily. + (DECL_ASSEMBLER_NAME_SET_P): New macro. + (SET_DECL_ASSEMBLER_NAME): Likewise. + (COPY_DECL_ASSEMBLER_NAME): Likewise. + (set_decl_assembler_name): Declare. + (lang_set_decl_assembler_name): Likewise. + * tree.c (lang_set_decl_assembler_name): New variab.e + (set_decl_assembler_name): New function. + (init_obstacks): Set lang_set_decl_assembler_name. + (build_decl): Don't set DECL_ASSEMBLER_NAME. + * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME, + COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME + where it's not necessary. + (builtin_function): Likewise. + (finish_decl): Likewise. + * dbxout.c (dbxout_type_methods): Likewise. + * ggc-common.c (ggc_mark_trees): Likewise. + * profile.c (output_func_start_profiler): Likewise. + * varasm.c (make_decl_rtl): Likewise. + + * cse.c (find_comparison_args): Update documentation. Fix + mishandling of COMPARE operations. + + * tree.def (ABS_EXPR): Add documentation. + * fold-const.c (fold): Improve folding of ABS_EXPRs. + +2001-03-19 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H). + +2001-03-19 Jakub Jelinek <jakub@redhat.com> + + * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined. + Remove ia32 linux PIC kludge and move it... + * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here. + +Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (absdf2 expander): Fix 64bit case. + +2001-03-19 Brad Lucier <lucier@math.purdue.edu> + + * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H). + +2001-03-16 Andrew Haley <aph@cambridge.redhat.com> + + * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace. + +2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.X11: Remove obsolete file. + +2001-03-18 Anthony Green <green@redhat.com> + + * config/pj/pj.h: Remove some trailing commas. + (ASM_SPEC): Use -EB and -EL, not -mb and -ml. + +2001-03-18 Richard Henderson <rth@redhat.com> + + * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ... + * calls.c: ... here. + * combine.c, expr.c, final.c, function.c toplev.c: Don't provide + defaults for them here. + +2001-03-17 Anthony Green <green@redhat.com> + + * config/pj/lib1funcs.S: Fix broken comment. + * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal + labels with '.'. + +2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi: Remove obsolete information relating to build and + installation problems with enquire or the Pyramid C compiler. + +2001-03-17 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (queue_reg_save): New. + (flush_queued_reg_saves, clobbers_queued_reg_save): New. + (dwarf2out_frame_debug_expr): Call queue_reg_save instead of + dwarf2out_reg_save. + (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed. + (cfa, cfa_store, cfa_temp): Make static. + * final.c (final_scan_insn): Always call dwarf2out_frame_debug. + +2001-03-17 Richard Henderson <rth@redhat.com> + + * integrate.h (struct inline_remap): Add local_return_label. + * integrate.c (expand_inline_function): Initialize it and emit + it after copy_insn_notes. + (copy_insn_list): Don't store local_return_label here. + (copy_insn_notes): New function split out from copy_insn_list. + +2001-03-17 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (lookup_filename): Emit .file if the assembler + is generating .debug_line. + (dwarf2out_init): Add main_input_filename to the file table first. + * configure.in (as_dwarf2_debug_line): Test with file number 1 + instead of file number 0. + +Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (undobuf): Remove field previous_undos; all refs deleted. + (gen_rtx_combine): Deleted; all references changed as appropriate. + (gen_unary): Deleted; all refs changed to call simplify_gen_unary. + + * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P. + +2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused + variable. + +2001-03-16 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero, + then set it to LOC_REG (79) instead of aborting. + +2001-03-16 Phil Edwards <pme@sources.redhat.com> + + * gccbug.in: Remove high priority. + +2001-03-16 Richard Henerson <rth@redhat.com> + + * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od + output with a space instead of deleting it. + * configure: Regenerate. + +2001-03-16 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which + handles the gory details of converting an object file into + something that's safe to grep. + (gcc_AC_C_COMPILE_BIGENDIAN): Rename to + gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put + newlines at either end of the string we're looking for. + Make 'checking ...' message less stilted. + (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle + ARM in-memory layout and its hypothetical converse. Don't + define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from + HOST_WORDS_BIG_ENDIAN. + + * configure.in: Adjust for renamed macro. Move + gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN. + * configure, config.in: Regenerate. + +2001-03-16 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/Makefile.in: Set SHELL. + +2001-03-16 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/fixincl.c (fix_with_system): Quote file names before + passing them to shell. + +2001-03-16 Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: Use fix-header$(build_exeext) instead + of fix-header. + +2001-03-16 Richard Henderson <rth@redhat.com> + + * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes. + (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New. + (size_of_line_prolog): Remove. + (output_line_info): Compute prologue size via label difference. + (lookup_filename): Return "unspecified" for <internal> and <built-in>. + + * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the + assembler error when redefining file numbers. + * config.in, configure: Rebuild. + + * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size. + (dw2_asm_output_data_uleb128): Use space not tab after .uleb128. + (dw2_asm_output_delta_uleb128): Likewise. + (dw2_asm_output_delta_sleb128): Similarly. + (dw2_asm_output_data_sleb128): Similarly. Print number in decimal. + +2001-03-16 Michael Meissner <meissner@redhat.com> + + * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids + warnings. + (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids + warnings. + (BITMASK_LOWER16): Replacement for 0x0000ffff. + + * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16 + instead of 0xffff0000/0x0000ffff to avoid warnings about constants + being unsigned in ISO C and signed in traditional. + (expand_prologue): Ditto. + (RA_MASK): Use BITMASK_HIGH to avoid warnings. + + * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid + warnings. + (divsi3,divdi3): Ditto. + (modsi3,moddi3): Ditto. + (fix_truncdfsi2,fix_truncdfdi2): Ditto. + (fix_truncsfsi2,fix_truncsfdi2): Ditto. + (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid + warnings. + +Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_fp_movcc): Do not attempt to construct + SSE based conditional moves on LTGT/UNEQ conditions; + Canonicalize EQ to NE. + * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode. + (sse_mov?fcc_ne): New. + + * i386-protos.h (sign_extended_value, zero_extended_value): Declare. + +2001-03-16 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC + register may be dead. + +2001-03-16 Brad Lucier <lucier@math.purdue.edu> + + * Makefile.in (hash.o): Depend on CONFIG_H. + +2001-03-15 Mark Mitchell <mark@codesourcery.com> + + * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET. + +2001-03-15 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New. + (ASM_OUTPUT_DWARF_PCREL): New. + * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove. + +2001-03-16 Alexandre Oliva <aoliva@redhat.com> + + * cppfiles.c (stack_include_file): Use MAX of sysp. + +2001-03-15 Steve Ellcey <sje@cup.hp.com> + + * config.gcc (ia64*-*-hpux*): New case. + * config/ia64/hpux.h: New file for HP-UX support. + * config/ia64/t-hpux: New file for HP-UX support. + +2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com> + + * fixinc/inclhack.def (irix_stdio_va_list): New. + * fixinc/fixincl.x: Rebuilt. + +2001-03-15 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET + if provided by the target. + (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL. + (dw2_asm_output_addr): New. + * dwarf2asm.h (dw2_asm_output_addr): Declare. + * dwarf2out.c (output_cfi): Use it for program addresses. + (output_call_frame_info, output_die): Likewise. + (output_aranges, output_line_info): Likewise. + +2001-03-15 Bruce Korb <bkorb@gnu.org> + + * gcc.c(main): make more rigorous + * collect2.c(main): guard against ignoring SIGCHLD + * protoize.c(main): ditto + * gcc/fixinc/fixincl.c(initialize): ditto + +2001-03-15 Mark Mitchell <mark@codesourcery.com> + + * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL. + (sdbout_parms): Likewise. + +Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not + "widen" a destination that is already wider than a word. Also do + not widen if LOAD_EXTEND_OP is NIL for the given mode. + +2001-03-15 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids. + +Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com) + + * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo. + +Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com) + + * i960.h (i960_maxbitalignment, + i960_last_maxbitalignment): Declare. + * i960.c (i960_maxbitalignment, + i960_last_maxbitalignment): Make global. + (process_pragma): Delete. + (i960_pr_align, i960_pr_noalign): Move from here ... + * i960-c.c: ... to this new file. + * t-960bare (i960-c.o): New rule. + * t-vxworks960 (i960-c.o): Likewise. + * config.gcc (i960-*-*): Define c_target_objs and + cxx_target_objs. + +2001-03-15 Bernd Schmidt <bernds@redhat.com> + + * cselib.c (hash_rtx): For REG and MEM, just use value of expression + without adding in rtx code and mode. + + * alias.c (init_alias_analysis): Don't use any rtx whose value + varies as a known value. + Delete a superfluous test. + + * config/ia64/ia64.c (maybe_rotate): New function, broken out of + ia64_sched_reorder. + (ia64_sched_reorder): Call maybe_rotate; also rotate after + scheduling a stop bit. + (ia64_emit_nops): Correctly handle ASMs. + +2001-03-15 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (assemble_variable): Use DECL_RTL_SET_P. + +2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update documentation for -include and -imacros. + * cppfiles.c (struct include_file): Remove "defined" memeber. + (find_or_create_entry): Make a copy of the file name, and + simplify it. + (open_file): Update to ensure we use the simplified filename. + (stack_include_file): Don't set search_from. + (cpp_included): Don't simplify the path name here. + (find_include_file): New prototype. Call search_from to + get the start of the "" include chain. Don't simplify the + filenames here. + (_cpp_execute_include): New prototype. Move diagnostics to + do_include_common. Update. + (_cpp_pop_file_buffer): Don't set defined. + (search_from): New prototype. Use the preprocessor's cwd + for files included from the command line. + (read_name_map): Don't simplify the pathname here. + * cpphash.h (enum include_type): New. + (struct buffer): Delete search from. New search_cached. + (_cpp_execute_include): Update prototype. + * cppinit.c (do_includes): Use _cpp_execute_include. + * cpplib.c (do_include_common): New function. + (do_include, do_include_next, do_import): Use it. + +2001-03-14 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the + contents of the RTL, to determine the name of the object. + +2001-03-14 Mark Mitchell <mark@codesourcery.com> + + * tree.h (DECL_RTL): Allocate RTL lazily. + (SET_DECL_RTL): New macro. + (DECL_RTL_SET_P): Likewise. + (COPY_DECL_RTL): Likewise. + (DECL_RTL_IF_SET): Likewise. + * varasm.c (make_decl_rtl): Add assertions about the kind of + declaration we are processing. + * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc. + (start_decl): Likewise. + (finish_decl): Likewise. + * c-semantics.c (emit_local_var): Likewise. + * calls.c (expand_call): Likewise. + * dbxout.c (dbxout_symbol): Likewise. + * emit-rtl.c (unshare_all_rtl): Likewise. + (unshare_all_decls): Likewise. + (reset_used_decls): Likewise. + * expr.c (store_constructor): Likewise. + (safe_from_p): Likewise. + (expand_expr): Likewise. + * function.c (put_var_into_stack): Likewise. + (instantiate_decls_1): Likewise. + (assign_parms): Likewise. + (expand_function_start): Likewise. + (expand_function_end): Likewise. + * ggc-common.c (gcc_mark_trees): Likewise. + * integrate.c (function_cannot_inline_p): Likewise. + (copy_decl_for_inlining): Likewise. + (expand_inline_function): Likewise. + (integrate_parm_decls): Likewise. + (integrate_decl_tree): Likewise. + * print-tree.c (print_node): Likewise. + * reg-stack.c (stack_result): Likewise. + * stmt.c (label_rtx): Likewise. + (expand_return): Likewise. + (expand_decl): Likewise. + (expand_decl_cleanup): Likewise. + (expand_anon_union_decl): Likewise. + * toplev.c (check_global_declarations): Likewise. + (rest_of_decl_compilation): Likewise. + * tree.c (simple_cst_equal): Likewise. + * objc/objc-act.c (generate_static_references): Likewise. + +2001-03-14 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN, + gcc_AC_C_FLOAT_FORMAT): New macros. + * configure.in: Add AC_PROG_CPP after CC tests; + gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof + tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT. + * configure, config.in: Regenerate. + + * config/a29k/xm-a29k.h, config/arc/xm-arc.h, + config/arm/xm-arm.h, config/c4x/xm-c4x.h, + config/convex/xm-convex.h, config/d30v/xm-d30v.h, + config/i370/xm-linux.h, config/i370/xm-oe.h, + config/ia64/xm-ia64.h, config/m32r/xm-m32r.h, + config/m68k/xm-m68k.h, config/mips/xm-mips.h, + config/pa/xm-linux.h, config/pa/xm-pa.h, + config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h, + config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h, + config/sparc/xm-sparc.h, config/vax/xm-vax.h, + config/we32k/xm-we32k.h: Delete. + + * config/i370/xm-mvs.h, config/m88k/m88k.h, + config/romp/xm-romp.h, config/rs6000/xm-beos.h, + config/vax/xm-vms.h: Don't define any of: + HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN + + * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here. + + * config.gcc: Remove references to deleted files. + (i370-*-opened*): Use i370/xm-mvs.h (which now defines only + FATAL_EXIT_CODE, which is the same between oe and mvs). + +2001-03-14 DJ Delorie <dj@redhat.com> + Vladimir Makarov <vmakarov@redhat.com> + + * config/i960/i960.c (i960_function_prologue): Compute size of + frame according to number of registers actually saved there. + +2001-03-14 Richard Henderson <rth@redhat.com> + + * expr.c (emit_move_insn_1): Fix else if around #endif. + +Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz> + Vojtech Pavlik + + * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z' + constraints. + +Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_cmodel_string, ix86_cmodel): Define. + (override_options): Parse cmodel string. + (x86_64_sign_extended_value, x86_64_zero_extended_value): New. + * i386.h (TARGET_OPTIONS): Add "cmodel". + (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'. + (enum cmodel): New. + (ix86_cmodel_string, ix86_cmodel): Declare. + +Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz> + + Spot by Matt Kraai: + * i386.h (GENERAL_REG_P): Add missing REG_P. + +2001-03-14 Laurynas Biveinis <lauras@softhome.net> + + * configure.in: Use $gcc_cv_as instead of $as. + * configure: Regenerated. + +2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Only increase the include + count if we actually process the file properly, as opposed + to treating it as length zero. Only call read_include_file + if not DO_NOT_REREAD. Handle the -H include file output + here. + (read_include_file): Remove now redundant DO_NOT_REREAD check. + (cpp_included, find_include_file): Simplify pathnames after + remapping them. If remapping, don't use the remapped file + name's buffer as our scratch buffer. + (cpp_pop_file_buffer): Replace the multiple include macro + only if it isn't yet set. + (read_name_map): Simplify remapped names when reading in. + (remap_filename): Move code to code path that uses it. + (_cpp_simplify_pathname): Return the input pointer. + * cpphash.h (_cpp_simplify_pathname): Update prototype. + +2001-03-14 Mark Mitchell <mark@codesourcery.com> + + * expr.c (expand_expr): Revove bogus conditional. + +Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef. + +2001-03-14 Jakub Jelinek <jakub@redhat.com> + + * reg-stack.c (stack_result): Unconditionally use + FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE. + +Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (emit_move_insn_1): Split push of complex value when + no suitable push instruction exist. + + * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P + instead of QI_REG_P. + +Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (handled_component_p, can_address_p): New functions. + (get_alias_set): Use them. + +2001-03-13 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed + from 80 in try_locals code. + (ia64_expand_prologue): Add comment pointing to find_gr_spill change. + +2001-03-13 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT, + gcc_AC_C_LONG_LONG): New. + * configure.in: Use them. Probe the size of short, int, long, + and long long/__int64 if we have them. Move all the AC_C_* + checks together, except gcc_AC_C_CHAR_BIT which has to go + after AC_CHECK_HEADERS(limits.h). + Take hwint.h out of host_xm_file and build_xm_file. + + * hwint.h: Unconditionally define HOST_BITS_PER_CHAR, + HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG, + and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT. + Move the HOST_WIDEST_INT setup logic here from system.h. + Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not + defined. + * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT + is now handled by hwint.h. + + * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h, + config/c4x/xm-c4x.h, config/i370/xm-oe.h, + config/ia64/xm-ia64.h: Don't define any of: + HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT, + HOST_BITS_PER_LONGLONG. + + * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h, + config/h8300/xm-h8300.h, config/mips/iris6.h, + config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h, + config/sparc/xm-sp64.h: Delete. + * config.gcc: Remove references to deleted files. + + * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define + HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT. + * config/i370/xm-linux.h: Clarify floating-point situation in + a comment. + +2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (NO_INCLUDE_PATH): New macro. + (find_include_file): Decide here which part of the include + chain to start the search. Complain about an empty include + chain in all cases apart from an abolsute file name. + (_cpp_execute_include): Don't choose the search chain here. + Don't call handle_missing_include in the case of an empty + include chain. + (_cpp_compare_file_date): Don't choose the search chain here. + * cpplib.c (do_include_next): Move the in-main-file diagnostic + here from _cpp_execute_include. Behave like #include if + we're in the main file. + +2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (malloc, realloc, calloc, strdup): Only poison these + tokens when IN_GCC is defined. + +Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (abs?f expander): Support SSE case. + (abd?f_if): Add new "USE"; add splitters. + +2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpp.texi (poison): Explain the macro expansion exception. + +2001-03-13 Jakub Jelinek <jakub@redhat.com> + + * expr.c (store_expr): Add dont_store_target. If temp is already in + target before copying to reg, don't store it into target again. + +2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinternals.texi: Update for file handling. + +2001-03-12 Jeffrey Oldham <oldham@codesourcery.com> + + * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's + 2001-02-24 which broke building the Java library. + * function.c (identify_blocks): Likewise. + (all_blocks): Likewise. + * integrate.c (integrate_decl_tree): Likewise. + * print-tree.c (print_node): Likewise. + * tree.h (BLOCK_NUMBER): Likewise. + (struct tree_block): Likewise. + +2001-03-12 David Edelsohn <edelsohn@gnu.org> + + * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in + __WCHAR_TYPE__ definition. + (WCHAR_TYPE_SIZE): #undef before #define. + +2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c: Update comments. + (destroy_include_file_node): Rename destroy_node. + (find_or_create_entry): New function. + (open_file, _cpp_fake_include): Use it. + (handle_missing_header): New function, broken out of + _cpp_execute include. Don't segfault if there is no + system or quoted path. + (_cpp_execute_include): Use handle_missing_header. + +2001-03-12 Jeffrey Oldham <oldham@codesourcery.com> + + * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's + 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5. + +Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (insn_dead_p): Don't consider two memrefs equivalent + unless anti_dependence says they are. + * alias.c (objects_must_conflict): If neither has a type specified, + they must conflict. + +2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + David Billinghurst <David.Billinghurst@riotinto.com> + + * config/mips/iris5.h: Change WCHAR_TYPE to int. + +Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (trunctfdf2_2): Rename missnamed pattern. + (*_one_bit): Remove type on the match_operand in attributes. + +Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c: Commit forgotten hunk in previous patch. + (regclass_map): Add extended registers. + (dbx_register_map): Add missing frame register. + +Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (all XFmode patterns except swapxf): Disable for 64bit. + + * i386.md (x86_sahf_1): Disable for 64bit. + (popsi*, pophi*): Likewise. + (pushqi, pushhi): Likewise. + (movdi, pushdi): Likewise. + (zero extend DImode splitter): Likewise. + (adddi, minusdi splitter): Likewise. + (umulsidi): Likewise. + (umulsi): New. + (mulsidi): Disable for 64bit + (lshift:DI/ashift:DI): Disable for 64bit. + (loop patterns): Likewise. + (call_pop, call_value_pop expanders and patterns): Likewise. + (prologue_get_pc): Likewise. + (leave): Likewise. + (fcmovDI pattern and splitter): Likewise. + (movdfcc_1_rex64): New. + +Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64. + (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64. + (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64. + (STATIC_CHAIN_REGNUM): Set to r10 for x86_64. + (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64. + (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64. + (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes. + (PUSH_ROUNDING): x86_64 rounds to 64bits. + (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE. + (REGPARM_MAX): Set to 6 for x86_64. + (SSE_REGPARM_MAX): Set to 16 for x86_64. + * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose + registers. + + * (patterns that does use upper halves): Update constraints + 'q' to 'Q' and 'r' to 'R'. + (cmpqi_ext_1): Disable for 64bit. + (cmpqi_ext_3_insn): Likewise. + (movqi_extzv_1): Likewsie. + (addqi_ext_1): Liekwsie + (testqi_ext_1): Liekwsie + (andqi_ext_1): Liekwsie + (xorqi_ext_1): Liekwsie + (cmpqi_ext_1_rex64): New. + (cmpqi_ext_3_insn_rex64): Likewise. + (movqi_extzv_1_rex64): Likewsie. + (addqi_ext_1_rex64): Liekwsie + (testqi_ext_1_rex64): Liekwsie + (andqi_ext_1_rex64): Liekwsie + (xorqi_ext_1_rex64): Liekwsie + +2001-03-11 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Move check for unsigned enumerated bitfields + to macro in aclocal.m4. Disable it for now. + * configure, config.in: Regenerate. + * system.h: Don't do anything with ONLY_INT_FIELDS. Use the + unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC. + * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum + kind above its first use. + + * config/xm-interix.h, config/alpha/xm-alpha.h, + config/i370/xm-linux.h, config/i386/xm-beos.h, + config/i386/xm-mingw32.h, config/mips/xm-mips.h, + config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, + config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h, + Don't define ONLY_INT_FIELDS under any circumstances. + + * config/pa/xm-pa.h: Don't define __BSD_NET2__. + + * config/pa/xm-pahpux.h, config/pa/xm-papro.h, + config/sparc/xm-sysv4.h: Delete - now identical with some + other xm header. + * config.gcc (hppa targets): Replace xm-pahpux.h and + xm-papro.h with implicit xm-pa.h. + (sparc targets): Replace xm-sysv4.h with implicit or explicit + xm-sparc.h. + +2001-03-12 Aldy Hernandez <aldyh@redhat.com> + + * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set + before reload_cse_noop_set_p. + +2001-03-11 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Where xm-host.h used to include another + xm-host.h, list the nested header directly in xm_file. Remove + references to deleted files. Can now use sparc/xm-sp64.h for + sparcv9-*-solaris*. + + * config/xm-linux.h, config/arm/xm-linux.h, + config/i386/xm-dos.h, config/i386/xm-gnu.h, + config/i386/xm-linux.h, config/i386/xm-openbsd.h, + config/i860/xm-fx2800.h, config/m68k/xm-atari.h, + config/m68k/xm-linux.h, config/m68k/xm-sun3.h, + config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h: + Delete. + + * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h. + * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't + bother to wrap #undef in #ifdef. + * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h: + Don't include xm-linux.h. + * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h. + + * configure.in: Wrap regexps using [] in changequote block. + Use expr : not echo | grep. Simplify regexps. + * configure: Regenerate. + + 56 xm-files remain, 22 xm-arch. + +2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF. + (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead. + (local_index, local_rindex): Delete, use strchr/strrchr instead. + (copy_object): Fix format specifier vs argument mismatch. + + * mips-tdump.c: Make local functions static. + (rindex): Don't #undef. + (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead. + (fatal, fancy_abort): Delete. + (read_seek): Avoid signed/unsigned compare. + +Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (try_combine): Fix error in change to try original + register. + (gen_rtx_combine): Do same as gen_rtx for now. + +2001-03-11 Zack Weinberg <zackw@stanford.edu> + + * configure.in: AC_SUBST xm_defines. + * configure: Regenerate. + * Makefile.in: Set DEFINES=$(xm_defines) when building + tconfig.h. + +2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete. + (cpp_included, find_include_file): Update. + (_cpp_compare_file_date): Make else unconditional. + +2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined. + +2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics. + * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w. + +Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node + if it's a record type. + +Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize + mingw includes slightly. + +2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): + #undef token before poisoning it. + +2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (check_float_value): Use memcpy, not bcopy. + + * m32r.c (m32r_sched_reorder): Likewise. + + * vax.c (check_float_value): Likewise. + +2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c (file_name_nondirectory): Remove. + * toplev.h: Similarly. + * dwarf2out.c (compute_section_prefix): Use lbasename instead + of file_name_nondirectory. + +Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * mips-tdump.c (read_seek): Call xmalloc, not malloc. + * mips-tfile.c: Don't #undef rindex; not used. + +Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits. + (dbx64_register_map): Declare. + (RETURN_ADDR_RTX): Fix for 64bit. + (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit. + (INCOMING_FRAME_SP_OFFSET): Set to 8. + * i386.c (dbx64_register_map): New global array. + * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h, + linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map + for 64bits. + +2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (search_from): Use lbasename. + * mkdeps.c (deps_add_default_target): Use lbasename. + +2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc & + xcalloc in lieu of malloc, realloc & calloc. + + * gencheck.c (xmalloc): Use really_call_malloc, not malloc. + + * gengenrtl.c (xmalloc): Likewise. + + * gensupport.c (xcalloc, xrealloc, xmalloc): Use the + really_call_* memory allocation routines. + + * stmt.c (check_for_full_enumeration_handling): Use + really_call_calloc, not calloc. + + * system.h (really_call_malloc, really_call_calloc, + really_call_realloc): Define. + (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison. + +Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com) + + * pa.md (builtin_longjmp): Rework slightly to work for PA64 too. + +2001-03-09 Nicola Pero <n.pero@mi.flashnet.it> + + * configure: Rebuilt. + * configure.in: Only use `lang_requires' for languages athat are + actually enabled. + +2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Fix typo. + * gcc.1: Regenerate. + +2001-03-09 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Prune nonexistent files from build_xm_file, + xm_file, and host_xm_file lists. Warn unless they're + $cpu/xm-$cpu.h. + Don't generate *config.h here. + AC_SUBST all variables needed to generate *config.h. + * configure: Regenerate. + * mkconfig.sh: New helper script, from code removed from + configure.in. + * Makefile.in: Zap all MALLOC variables - no longer used + anywhere, and malloc.c doesn't exist. + Substitute in variables needed to generate *config.h. + Stop lying about the dependencies contained in CONFIG_H and + GCONFIG_H. + (HCONFIG_H, TCONFIG_H, TM_P_H): New variables. + (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h, + cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules. + (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H), + $(TM_P_H), etc. as appropriate. + + * config.gcc: Zap references to deleted files. + * ggc-none.c: Don't include rtl.h or tm_p.h. + + * config/i386/xm-beos.h, config/i386/xm-dgux.h, + config/i386/xm-djgpp.h, config/i386/xm-dos.h, + config/i386/xm-gnu.h, config/i386/xm-i386-interix.h, + config/i386/xm-linux.h, config/i386/xm-linux.h, + config/i386/xm-next.h, config/i386/xm-openbsd.h, + config/i386/xm-sun.h, config/i386/xm-sysv3.h: + Don't include i386/xm-i386.h. + + * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h, + config/i386/xm-i386.h, config/i860/xm-i860.h, + config/i960/xm-i960.h, config/mcore/xm-mcore.h, + config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, + config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h: + Delete (empty except comments, #includes of other deleted + files, and macros used nowhere). + +Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp + independent on TARGET_FLAGS. + +Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (FIRST_PSEUDO_REGISTER): Set to 53. + + (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add + extended ones. + (CONDITIONAL_REGISTER_USAGE): Set proper values according to + TARGET_64BIT. + (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG, + LAST_REX_SSE_REG): define. + (enum reg_class): Add 'LEGACY_REGS' + (REG_CLASS_CONTENTS): Likewise; add extended registers. + (SSE_REGNO_P): Recognize extended registers. + (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New. + (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'. + (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, + REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers. + (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P, + REG_OK_FOR_STRREG_P): Remove. + (HI_REGISTER_NAMES): Add extended registers. + (ADDITIONAL_REGISTER_NAMES): Likewise. + (QI_REGISTER_NAMES): Add 8bit extended registers. + (DEBUG_REG): Support extended registers. + * i386.c (regclass_map): Add extended registers. + (dbx_register-map): Likewise. + (svr4_dbx_register_map): Likewise. + (print_reg): Support extended registers. + (print_operand): Support 64bit operands. + +Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64 + (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE, + FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE, + DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants. + (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY, + STACK_BOUNDARY): Set properly for 64bits. + (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants. + (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD. + (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits. + (MOVE_MAX): Set to 16. + (MOVE_MAX_PIECES): 8 for 64bit. + (Pmode): Set to SImode. + +Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com> + + * cselib.c (hash_rtx): Ensure that hash isn't zero upon return. + +Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (mask_64bit): New constant. + (target_64bit): New macro. + (target_options): Add '64'/'32' + (target_default): Define. + * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h + isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h + unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT. + +Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable. + +Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com) + + * rtlanal.c (rtx_varies_p): Check operand 0 of a + LO_SUM unless for_alias is set. + +2001-03-08 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c: Fix old typos in comments, add comments for + various functions. + (hash_init): Fix file name in error message. + (hash_enter): Ditto. + (hash_add_attr): Ditto. + (continue_class): Ditto. + +2001-03-08 Bruce Korb <bkorb@gnu.org> + + gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that + wait4() can receive the signal. + +Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML + entities. + * fixinc/fixincl.x: Regenerate. + +Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage + on Tru64 UNIX. + * fixinc/fixincl.x: Regenerate. + +2001-03-08 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_LEB128): New assembler check. + * configure, config.in: Rebuilt. + +Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for + TFmode too. + +2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete + references to the MAXPATHLEN macro. + + * config/alpha/xm-alpha.h, config/arm/xm-arm.h, + config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to + the POSIX macro. + + * config/i386/xm-gnu.h, config/xm-gnu.h, + config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h, + config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h, + config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty + and/or unused files. + + * config.gcc: Define POSIX in xm_defines as appropriate in lieu of + doing so in various xm-*.h files. + +Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs. + +2001-03-08 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (enable_shared): Support per-package shared-library + enabling. + * configure: Rebuilt. + +2001-03-07 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (cr logic): Add original POWER mnemonic alternative + for crnot. Set operands[5] in splitter. + +2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/i370/xm-mvs.h, config/i370/xm-oe.h, + config/i386/xm-beos.h, config/i386/xm-mingw32.h, + config/m88k/xm-m88k.h, config/mips/xm-iris6.h, + config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h, + config/pa/xm-pahpux.h, config/rs6000/xm-beos.h, + config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h, + config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references + to the USG macro. + + * config/vax/xm-vaxv.h, config/a29k/xm-unix.h, + config/i370/xm-i370.h, config/i386/xm-dgux.h, + config/i386/xm-sun.h, config/i386/xm-sysv3.h, + config/m68k/xm-tower.h, config/m68k/xm-aux.h, + config/m68k/xm-hp320.h, config/m68k/xm-amix.h, + config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h, + config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h, + config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h, + config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h, + config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h: + Delete unused and/or empty files. + + * config.gcc: Define USG in xm_defines as appropriate. Define + POSIX in lieu of xm-svr4.h. Delete all references to the SVR3 + macro. Remove deleted xm-* files from $xm_files variable. + +2001-03-07 Tom Tromey <tromey@redhat.com> + + * configure: Rebuilt. + * configure.in: Allow config-lang.in to set `lang_requires' to list + of other required languages. + +2001-03-07 Andrew MacLeod <amacleod@redhat.com> + + * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn + after its emitted. + (output_prologue): Use xmalloc not oballoc. + (output_epilog): Free a29k_first_epilogue_insn when finished. + * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand. + +2001-03-07 Brad Lucier <lucier@math.purdue.edu> + + * builtins.c (expand_builtin_mathfn): Check + flag_unsafe_math_optimizations, not flag_fast_math. + (expand_builtin): Likewise + * combine.c (combine_simplify_rtx): Likewise. + (simplify_if_then_else): Likewise. + * cse.c (fold_rtx): Likewise. + * flags.h: Remove flag_fast_math. Add + flag_unsafe_math_optimizations and flag_trapping_math. + * fold-const.c (negate_expr): Check + flag_unsafe_math_optimizations, not flag_fast_math. + (invert_truthvalue): Likewise. + (fold): Likewise. Before associating operands, check that + code == MULT_EXPR, not code != MULT_EXPR. + * ifcvt.c (noce_try_minmax): Check + flag_unsafe_math_optimizations, not flag_fast_math. + (noce_operand_ok): Check flag_trapping_math, not flag_fast_math. + * invoke.texi: Document -funsafe-math-optimizations and + -fno-trapping-math. Change documentation for -ffast-math. + * jump.c (reversed_comparison_code_parts): Likewise. + (rtx_equal_for_thread_p): Likewise. + * optabs.c (emit_conditional_move): Likewise. + * simplify-rtx.c (simplify_binary_operation): Likewise. + (simplify_relational_operation): Likewise. + (simplify_ternary_operation): Likewise. + * toplev.c: Remove flag_fast_math. Add flag_trapping_math and + flag_unsafe_math_optimizations. Remove fast-math entry from f_options. + Add trapping-math and unsafe-math-optimizations entries to f_options. + (set_fast_math_flags): New, sets flags for -ffast-math. + (set_no_fast_math_flags): New, sets flags for -fno-fast-math. + (decode_f_option): Add code to handle -ffast-math and -fno-fast-math. + * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags. + + * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise. + (alpha_emit_conditional_move): Initialize local_fast_math to + flag_unsafe_math_optimizations, not flat_fast_math. + * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags + instead of setting flag_fast_math to 1. + * config/convex/convex.md: Check flag_unsafe_math_optimizations, + not flag_fast_math. + * config/i386/i386.c (override_options): Likewise + * config/i386/i386.md: Likewise. + * config/m68k/m68k.md: Likewise. + * config/mips/mips.md: Likewise. + * config/rs6000/rs6000.c (validate_condition_mode): Likewise. + (rs6000_generate_compare): Likewise. + +2001-03-07 Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: Set RANLIB to @RANLIB@. + Remove RANLIB_TEST. + +2001-03-07 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/inclhack.def (djgpp_wchar_h): New test. + * fixinc/fixincl.x: Regenerated. + +2001-03-07 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (call_osf_1_noreturn): New pattern. + +2001-03-07 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting + of block notes and exception handling notes. + + * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized. + * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ... + (compile_file): ... here. + +2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H. + + * fixinc/gnu-regex.c: Don't include auto-host.h since we get + config.h now. Include libiberty.h to handle alloca. + +2001-03-06 Zack Weinberg <zackw@stanford.edu> + + * c-parse.in (yylexname): New function, split out of _yylex. + (objc_rid_sans_at): New table. + (init_reswords): Initialize it. + (_yylex): Give labels clearer names. Handle CPP_ATSIGN by + retrieving the next token and checking it for significance as + an ObjC keyword or string constant. + + * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'. + * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING. + + * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references + to CPP_OSTRING. + +2001-03-06 Stephen L Moshier <moshier@mediaone.net> + + * config/m68k/m68k.c (const_uint32_operand): Accept any + const_int on a 32-bit host. + +2001-03-06 Nicola Pero <n.pero@mi.flashnet.it> + + * objc/objc-act.c (init_objc): Set save_lang_status, + restore_lang_status, and mark_lang_status. + +2001-03-06 Krister Walfridsson <cato@df.lth.se> + + * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call. + +2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinternals.texi: Update. + +2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/a29k/xm-a29k.h, config/a29k/xm-unix.h, + config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h, + config/c4x/xm-c4x.h, config/clipper/xm-clix.h, + config/convex/xm-convex.h, config/d30v/xm-d30v.h, + config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h, + config/h8300/xm-h8300.h, config/i370/xm-i370.h, + config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h, + config/i386/xm-i386.h, config/i860/xm-i860.h, + config/i960/xm-i960.h, config/ia64/xm-ia64.h, + config/m32r/xm-m32r.h, config/m68k/xm-m68k.h, + config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, + config/mips/xm-mips.h, config/mn10200/xm-mn10200.h, + config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, + config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, + config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h, + config/romp/xm-romp.h, config/rs6000/xm-beos.h, + config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, + config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h, + config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which + match the defaults provided in hwint.h. + + * config/i386/xm-lynx.h, config/m68k/xm-lynx.h, + config/sparc/xm-lynx.h, config/xm-std32.h: Delete files. + + * config.gcc (xm_file): Don't set to files which are deleted. + + * hwint.h: Provide default values for HOST_BITS_PER_*. No longer + guard this file against these macros being undefined. + +2001-03-06 Zack Weinberg <zackw@stanford.edu> + + * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL + and DECL_DEFER_OUTPUT on the decl we create, before calling + rest_of_decl_compilation. + +2001-03-06 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE + AC_FUNC_ALLOCA. + * configure, config.in: Regenerate. + * config.gcc: Remove references to deleted files. + + * genattr.c, genattrtab.c, genextract.c, genoutput.c, + genrecog.c, rtl.c: Do not use alloca anywhere. + + * Makefile.in, build-make, system.h, config/x-interix, + config/x-svr4, config/xm-interix.h, config/xm-openbsd.h, + config/alpha/xm-alpha.h, config/alpha/xm-vms.h, + config/arc/xm-arc.h, config/arm/xm-arm.h, + config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, + config/h8300/xm-h8300.h, config/i370/x-oe, + config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos, + config/i386/x-ncr3000, config/i386/x-sco5, + config/i386/xm-dgux.h, config/i860/x-sysv4, + config/i960/xm-i960.h, config/m32r/xm-m32r.h, + config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320, + config/m68k/x-hp320g, config/m69k/x-mot3300, + config/m68k/x-mot3300-gas, config/m68k/xm-amix.h, + config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h, + config/m68k/xm-mot3300.h, config/m88k/x-dolph, + config/m88k/x-sysv4, config/m88k/x-tekXD88, + config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, + config/mips/x-iris, config/mips/x-iris3, + config/mips/x-sni-svr4, config/mips/x-sysv, + config/mips/xm-iris6.h, config/mips/xm-mips.h, + config/mips/xm-nws3250v4.h, config/pa/x-hpux, + config/pa/x-pa-mpeix, config/pa/xm-pa.h, + config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h, + config/pa/xm-papro.h, config/romp/xm-romp.h, + config/rs6000/x-aix31, config/rs6000/x-aix41, + config/rs6000/x-beos, config/rs6000/x-lynx, + config/rs6000/x-mach, config/rs6000/x-rs6000, + config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/x-sysv4, config/sparc/xm-linux.h, + config/sparc/xm-pbd.h, config/sparc/xm-sparc.h, + config/vax/xm-vms.h: Eradicate all references to alloca and + related stuff. + + * config/xm-alloca.h, config/clipper/x-clix, + config/i386/xm-sysv4.h, config/i860/x-fx2800, + config/i860/x-sysv3, config/m88k/x-sysv3, + config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete + (contained only alloca related hacks). + + * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define + USE_C_ALLOCA. + +2001-03-05 Brad Lucier <lucier@math.purdue.edu> + + * invoke.texi: Document __FAST_MATH__. + +2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * crtstuff.c: Restore include of auto-host.h. + +2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au> + + Put main() in a separate file, so that the language + front-end can use a different main(). + + * main.c: New. + * toplev.c: (main): Rename as toplev_main. + * toplev.h: Declare toplev_main. + * Makefile.in (OBJS): add toplev.o. + (BACKEND): remove toplev.o, add main.o. + +2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (search_from): Special case the empty string. + +2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_execute_include): Don't make a null-terminated + copy of the filename. Don't use CPP_PREV_BUFFER. Don't call + strlen or strcpy; we already know the length. + (_cpp_compare_file_date): Similarly. + * cpphash.h (struct cpp_reader): Delete done_initialising. + (CPP_PREV_BUFFER): Delete. + * cppinit.c (cpp_start_read): Don't set done_initialising. + * cpplex.c (parse_string): Guarantee null-termination. + (_cpp_equiv_toklists): Remove. + * cpplib.c (glue_header_name): Null-terminate. + (do_line): Don't leak memory. + * cpplib.h (BT_WEAK): Delete. + * cppmain.c (cb_ident): Strings are now null-terminated. + +2001-03-04 Laurynas Biveinis <lauras@softhome.net> + + * gcc.c (convert_filename): Append executable suffix + if NO_AUTO_EXE_SUFFIX is not defined. + * gcc.texi: Document NO_AUTO_EXE_SUFFIX. + * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX. + +2001-03-03 David O'Brien <obrien@FreeBSD.org> + + from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org> + * c-parse.gperf, c-gperf.h: Delete. + (c-gperf.h was accidently re-added to the CVS repo in the rev + 1.16 commit by tromey) + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Don't warn about directives in + macro arguments when looking for the '('. + * cppmacro.c (funlike_invocation_p): Set parsing_args to + 2 when really parsing arguments; 1 when looking for '('. + Always restore the lexer position. + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * longlong.h (umul_ppmm): Don't use a multiline string. + +2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef. + * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of + t_bool in declaration because pcc can't combine volatile with typedef + types. + +Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_fp_compare): Delay creating of scratch register + until when it is really needed. + (ix86_expand_compare): Update call of ix86_expand_fp_compare. + * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator + * i386.md (float?i?f splitter): Don't force source operand to memory + for SSE. + (sse_movdfcc): Fix constraint. + (sse_movdfcc splitter): Handle properly the second alternative. + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (parse_string): Unconditionally pedwarn. + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update. + * cppexp.c (parse_number): Update. + * cpplex.c (parse_string): Pedwarn if multiline string does not + result from a system header's macro. + * cpplib.h (sys_objmacro_p): Rename sys_macro_p. + * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true + for function-like macros too. + * c-lex.c (lex_number): Update. + +2001-03-03 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (output_call_frame_info): Fix augmentation length. + +Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com> + + * combine.c (try_combine): If split with mode-changed scratch + register didn't work, try the original mode. + +Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com> + + * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK. + * config/c4x/c4x.h: Likewise. + * stor-layout.c (compute_record_mode): Likewise. + (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK. + +2001-03-02 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Kill tm.h. Include the files in the $tm_file + list in all three of config.h, hconfig.h, tconfig.h, after the + relevant set of xm_files. Put TARGET_CPU_DEFAULT in all + three, include insn-codes.h in all three (#ifndef GENERATOR_FILE). + * configure: Regenerate. + * Makefile.in (clean): Don't delete tm.h. + + * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not + defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If + those are not defined, set SEC and FEC to 0 and 1. + * gcc.texi: Update to match. + + * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h. + * config/fp-bit.c, config/m68k/aux-crt2.asm, + config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c: + Include tconfig.h, not tm.h. + + * config/xm-lynx.h, config/xm-std32.h, + config/a29k/xm-a29k.h, config/a29k/xm-unix.h, + config/alpha/xm-alpha.h, config/arc/xm-arc.h, + config/avr/xm-avr.h, config/c4x/xm-c4x.h, + config/clipper/xm-clix.h, config/convex/xm-convex.h, + config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, + config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h, + config/h8300/xm-h8300.h, config/i370/xm-linux.h, + config/i386/xm-i386.h, config/i860/xm-i860.h, + config/i960/xm-i960.h, config/ia64/xm-ia64.h, + config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h, + config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, + config/mips/xm-mips.h, config/mn10200/xm-mn10200.h, + config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, + config/pa/xm-linux.h, config/pa/xm-pa.h, + config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h, + config/pa/xm-papro.h, config/pdp11/xm-pdp11.h, + config/pj/xm-pj.h, config/romp/xm-romp.h, + config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, + config/v850/xm-v850.h, config/vax/xm-vax.h, + config/we32k/xm-we32k.h: + Don't include tm.h. + Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE. + + * config/i370/xm-i370.h, config/i370/xm-mvs.h, + config/i370/xm-oe.h: Don't include tm.h. Don't define + SUCCESS_EXIT_CODE. + * config/vax/xm-vms.h: Don't include tm.h. + + * config/xm-lynx.h, config/avr/xm-avr.h, + config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h, + Delete; made empty by above changes. + * config/i386/xm-lynx.h, config/m68k/xm-lynx.h, + config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h: + Don't include config/xm-lynx.h or tm.h. + + * config/xm-gnu.h: Don't include fcntl.h. + * config/sparc/xm-lynx.h: Don't include sys/types.h and + sys/wait.h. + * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf. + +2001-03-02 Richard Henderson <rth@redhat.com> + + * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP, + UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP. + +2001-03-02 Richard Henderson <rth@redhat.com> + + * Makefile.in (OBJS): Add dwarf2asm.o. + * dwarf2asm.c, dwarf2asm.h: New files. + * dwarf2out.c (*): Use them. + (size_of_uleb128, size_of_sleb128): Remove. + (output_uleb128, output_sleb128): Remove. + (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove. + (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove. + (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove. + (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New. + (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove. + (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove. + (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove. + (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove. + (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove. + (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove. + (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove. + (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove. + (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove. + (dwarf2out_frame_debug): Remove unused variables. + (output_loc_operands): Don't abort on 8 byte constants if + host integers are wide enough. + (output_symbolic_ref): Remove. + (size_of_die): Don't assume 4 byte host integers. + (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin + and end labels. + (add_const_value_attribute) [CONST_INT]: Verify we're not doing + something stupid with HOST_WIDE_INT to long truncation. + [CONST_DOUBLE]: Likewise. + + * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove. + (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove. + * config/arm/unknown-elf.h: Likewise. + * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New. + (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New. + (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove. + (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove. + (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove. + (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove. + (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove. + (ASM_OUTPUT_DWARF_OFFSET): Remove. + * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove. + * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New. + (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove. + (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove. + +2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * cselib.c (hash_rtx): Cast enums to unsigned int. + +2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * print-rtl.c (print_rtx): Cast enums to int for comparison. + * c-decl.c (grokdeclarator): Cast enums to int for comparison and + shifts. + * c-format.c (C_STD_VER): Cast to int for comparisons. + (check_function_format): Cast various enums to int for &. + (maybe_read_dollar_number): Likewise. + (check_format_info): Likewise. + (check_format_info_main): Likewise. + * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison. + (safe_from_p): Likewise. + * varasm.c (const_hash): Cast enum to int for %. + * emit-rtl.c (init_emit_once): Use int loop variable to work around + pcc enum problems with < and ++ operators. + * regclass.c (init_reg_sets_1): Cast enums for comparison. + (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes. + (regclass_init): Change enum class to int to iterate over reg_classes. + * genrecog.c (merge_trees): Cast enums for comparison. + * rtl.h (GET_CODE): Cast to enum rtx_code. + (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code). + (GET_MODE): Cast to enum machine_mode. + (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode). + (GET_NOTE_INSN_NAME): Cast enum to int. + * tree.h (TREE_CODE): Cast to enum tree_code. + (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code). + * timevar.c (timevar_print): Change loop variable id from enum to + unsigned int. + * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int. + * config/i386/i386.md: Use PUT_MODE for mode assignment. + * toplev.c (compile_file): Cast enum DFI to int. + (decode_d_option): Likewise. + +Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com> + + * cppinit.c (append_include_chain): Mark "after" include file name list + as a system directory. + * cpp.texi: Document new behavior. + +Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (noce_operand_ok): Handle properly unarry operations. + +2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (struct include_file): Update. + (stack_include_file): Use search_from. + (cpp_included, find_include_file): Update. + (cpp_execute_include): Update. ptr->name may not be + null terminated. Use the new search_from member variable + of cpp_buffer. + (_cpp_compare_file_date): Similarly. + (search_from): New function, similar to actual_directory. + (actual_directory): Delete. + (remap_filename): Update. loc->name may not be null terminated. + (struct file_name_list): Rename search_path. Update. + * cpphash.h (struct cpp_buffer): Delete actual_dir. New members + search_from and dir. + (struct cpp_reader): Remove actual_dirs. + * cppinit.c (struct cpp_pending): Update for renamed objects. + (append_include_chain, remove_dup_dir, remove_dup_dirs, + merge_include_chains, cpp_destroy, cpp_start_read): Similarly. + * cpplib.h (struct cpp_options): Similarly. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h, + config/a29k/xm-unix.h, config/alpha/xm-alpha.h, + config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h, + config/clipper/xm-clix.h, config/convex/xm-convex.h, + config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, + config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h, + config/h8300/xm-h8300.h, config/i370/xm-i370.h, + config/i370/xm-linux.h, config/i370/xm-mvs.h, + config/i370/xm-oe.h, config/i386/xm-aix.h, + config/i386/xm-i386.h, config/i386/xm-osf.h, + config/i860/xm-i860.h, config/i960/xm-i960.h, + config/ia64/xm-ia64.h, config/m32r/xm-m32r.h, + config/m68k/xm-m68k.h, config/m88k/xm-m88k.h, + config/mcore/xm-mcore.h, config/mips/xm-mips.h, + config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h, + config/ns32k/xm-ns32k.h, config/pa/xm-linux.h, + config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, + config/pa/xm-pahpux.h, config/pa/xm-papro.h, + config/pj/xm-pj.h, config/romp/xm-romp.h, + config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, + config/v850/xm-v850.h, config/vax/xm-vax.h, + config/vax/xm-vms.h, config/we32k/xm-we32k.h: + Do not define TRUE or FALSE. + + * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made + empty by above change. + * config.gcc: Remove references to these files. + + * configure.in: Detect stdbool.h. + * configure, config.in: Regenerate. + * system.h: Include stddef.h here if available. + Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. + Then set up a sensible boolean type at the very end. + + * combine.c, cse.c, expr.c, fold-const.c, gensupport.c, + config/mcore/mcore.c: Rename variables named 'true' and/or 'false'. + + * hash.h: Delete 'boolean' typedef and related #undefs. + + * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace + all uses of 'boolean' with 'bool'. + +2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * cpplib.c (_cpp_init_stacks): Cast enum for comparison. + * cppexp.c (lex): Cast enums for comparison. + * cppinit.c (parse_option): Cast enum for comparison. + * cpplex.c (cpp_spell_token): Cast enums to int for minus. + (cpp_output_token): Likewise. + (cpp_can_paste): Cast enums for comparsion and plus/minus. + (cpp_avoid_paste): Cast enums for minus and comparison. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec + field to all array elements. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * cpphash.h (struct cpp_reader): Add print_version field. + * cppinit.c (cpp_handle_option): For -v, -version, and --version, + just set print_version and other flags as appropriate. + (cpp_post_options): Print version here if print_version is set. + + * toplev.c (exit_after_options): New flag. + (independent_decode_option): Don't exit here; just set + exit_after_options. + (main): Exit after calling lang_hooks.post_options if + exit_after_options is true. + + * cppinit.c (append_include_chain): Drop never-used case QUOTE. + (merge_include_chains): Adjust comment to match code. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * stringpool.c (set_identifier): New function. + * tree.h: Prototype it. + + * c-parse.in: Kill D_YES. If compiled for objc, call + save_and_forget_protocol_qualifiers from init_reswords. + * objc/objc-act.c (remember_protocol_qualifiers, + forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD. + Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or + vice versa. + (save_and_forget_protocol_qualifiers): New function. + * c-lex.h: Prototype save_and_forget_protocol_qualifiers. + +2001-03-01 Diego Novillo <dnovillo@redhat.com> + + * c-semantics.c (prune_unused_decls): Return error_mark_node + instead of (tree) 1 to stop traversing the tree chain. + +2001-03-01 Bernd Schmidt <bernds@redhat.com> + + Fix a problem introduced by Kenner's Feb 18 change. + * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and + flag_cse_skip_blocks only temporarily, not for ever. + +Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (ASM_IDENTIFY_GCC): Define. + (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise. + + * pa.c (emit_move_sequence): Verify operand0 is a hard register + before determining its register class. + +2001-03-01 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming + from reg 4 if current_function_calls_setjmp. + (gen_nop_type): New function. + (ia64_emit_nops): New function. + (ia64_reorg): Call it. + (ia64_sched_reorder): Move code that rotates bundles up a bit. + + * reload1.c (eliminate_regs_in_insn): Restrict the special case + code not to try to optimize adds with anything but a REG destination. + + * sched-int.h (struct haifa_insn_data): Add new member priority_known. + (INSN_PRIORITY_KNOWN): New accessor macro. + * haifa-sched.c (priority): Use it instead of testing priority against + zero. + +2001-02-28 DJ Delorie <dj@redhat.com> + + * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes, + since that doesn't work the way gcc wants on a generic m68k. + +2001-02-28 Richard Henderson <rth@redhat.com> + + * caller-save.c (save_call_clobbered_regs): Fix typo in + comparison last change. + +Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (pentium4_cost): New. + (m_PENT4): New macro. + (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf + x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8 + x86_integer_DFmode_moves, x86_partial_reg_dependency, + x86_memory_mismatch_stall): Add Pentium4 + (x86_use_q_reg, x86_use_any_reg): Kill. + (override_options): Add pentium4. + (incdec_operand): Return 0 for pentium4. + (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON. + * i386.h (x86_use_q_reg, x86_use_any_reg): Kill. + (TARGET_PENTIUM4): Define. + (enum processor_type): Add PROCESSOR_PENTIUM4. + (CPP_CPU_DEFAULT_SPEC): Add pentium4 support. + * i386.md (attribute "cpu"): Add pentium4. + * invoke.texi (march): Add pentium4. + +Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_mov?fcc*): New patterns and splitters. + * i386.c (ix86_expand_movcc): Work post-reload; recognize + the SSE based conditional moves. + +Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (attribute mode): Add "TI". + (movsf_1): Add pxor support; remove constant propagation splitter. + (movdf_integer): Likewise. + (movdf_nointeger): Likewise. + (movxf constant prop splitter): Handle all modes; update for SSE. + * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants. + * i386.c (standard_80387_constant_p): Rewrite. + (standard_sse_constant_p): New. + * i386-protos.h (standard_sse_constant_p): New. + +Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_setccsf, sse_setccdf): New. + (sse_cmp* patterns): Use '%D' instead of outputtting condition + flag directly. + * i386.c (sse_comparison_operator): Accept the supported unordered + comparses; be ready for fast_math. + (print_operand): Support 'D'. + +Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (reversed_comparison_code): Kill. + +Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally + for STACK_REGS + +Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions; + add missing '%' in constraints. + +Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz> + + * c-common.c (build_common_tree_nodes): Build intTI_type_nodes + for HOST_BITS_PER_WIDE_INT == 32 too. + +Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz> + + * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not + NREGS. + (insert_save, insert_restore): New parameter save_mode. + (init_caller_save): Update initialization of reg_save_code + and reg_restore_code. + (save_call_clobbered_regs): Compute save_modes and update calls to + reg_save_code and reg_restore_code. + (insert_restore): Unsignetize numbers; use save_modes to choose mode + of spill; update use of reg_restore_code. + (insert_save): Likewise. + * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update. + * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update. + * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise. + +Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants, + noce_try_store_flag_inc, noce_try_store_flag_mask, + noce_try_cmove_arith): + Use reversed_comparison_code instead of reverse_comparison and + can_reverse_comparison_p. + +Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (reversed_comparison_code_parts): Allow reversal of + unordered compares in -ffast-math mode; reverse ordered compares + for FP even w/o -ffast-math. + +2001-02-27 Richard Henderson <rth@redhat.com> + + * print-rtl.c (print_rtx) [i]: Don't print field five on + NOTEs other than NOTE_INSN_DELETED_LABEL. + +2001-02-27 Zack Weinberg <zackw@stanford.edu> + + * mips/xm-iris4.h: Delete #if 0 block (there since before 1997). + * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno. + +2001-02-27 Diego Novillo <dnovillo@redhat.com> + + * c-common.c (walk_stmt_tree): Visit the chain of the current tree + even if walk_subtrees is 0. + * c-semantics.c (prune_unused_decls): Return a non-null value to + stop traversing the tree chain. + +2001-02-27 DJ Delorie <dj@redhat.com> + + * config/m68k/m68k.c (output_function_prologue): Save the new CFA + register, *then* define it as the new CFA. + +Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com) + + * pa.c (override_options): Promote -fpic to -fPIC. + (legitimize_pic_address): Simplify due to removal of + small PIC as a code generation option. + (secondary_reload_class): Similarly. + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly. + (PRINT_OPERAND_ADDRESS): Similarly. + * pa.md (various patterns): Similarly. + (small pic lo_sum pattern): Remove. + +Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz> + Fergus Henderson + + * md.texi (min, max): Document + +Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movsf, movdf): Use movaps for reg-reg moves if + TARGET_PARTIAL_REG_DEPENDENCY. + (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case. + +Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (mins*, maxs*): New patterns, expanders and splitters. + +2001-02-26 Jeffrey Oldham <oldham@codesourcery.com> + + * mips.c (mips_make_temp_file): Fix thinko in last change. + +2001-02-26 Jason Eckhardt <jle@redhat.com> + + * combine.c (known_cond): Do not reverse the condition when + SMAX/UMAX is being considered and the condition is for equality + or inequality. + + * testsuite/gcc.c-torture/execute/20010221-1.c: New test. + +2001-02-26 Philip Blundell <philb@gnu.org> + + * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and + "armv2-*-linux". + * config/arm/linux-elf.h: Remove historical relics related to + above configurations. + * config/arm/linux-oldld.h: Delete. + * config/arm/linux-elf26.h: Delete. + +2001-02-26 Jason Merrill <jason@redhat.com> + + * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope + definitions. + * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to + recognize a tentative definition. Lose obsolete code. + + * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT + variables unless necessary, either. + +2001-02-25 Richard Henderson <rth@redhat.com> + + * ifcvt.c (struct noce_if_info): Add test_bb. + (noce_get_alt_condition): New. + (noce_try_minmax, noce_try_abs): New. + (noce_operand_ok): New. + (noce_process_if_block): Use them. + * rtlanal.c (may_trap_p): NEG and ABS can never trap. + +Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api + include. + +2001-02-25 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd. + * config/mips/mips.c (mips_make_temp_file): Set temp_filename + properly. + (mips_asm_file_end): Free temp_filename here. + +Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl. + * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo. + + * config/i386/i386.md (movstrsi): Handle FAIL case. + +2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (builtin_array): Update. + (init_builtins): Flag builtins to warn if redefined or + undefined. Define __GXX_WEAK as a normal macro. + * cpplib.c (do_undef): Warn if flagged NODE_WARN. + * cpplib.h (NODE_WARN): New flag. + * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__. + Handle __STDC__ as a builtin only on Solaris. + (warn_of_redefinition): Renamed from check_macro_definition. + Reverse sense of test. Always warn if NODE_WARN. + (_cpp_create_definition): Use warn_of_redefinition. Flag + any macro beginning with "__STDC_" to require a mandatory + warning if redefined or undefined. + +2001-02-24 Zack Weinberg <zackw@stanford.edu> + + * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h, + i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h, + i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h, + i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h, + m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h, + mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h: + Don't define any of: + USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H, + P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS, + NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex, + index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK, + STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN. + + * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h, + fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro + definitions. + + * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h: + Delete now-empty file. + + * alpha/vms.h: Define NEED_ATEXIT here... + * alpha/xm-vms.h: ...not here. + + * i386/cygwin.h: Don't define PARAMS. + * mips/mips.c: Don't prototype mktemp. Don't define + P_tmpdir. Use make_temp_file to create temporary files. + Don't be clever and delete temporary files early. + * config.gcc: Drop references to deleted files. Don't define + FULL_PROTOTYPES. + * gcc.texi: Don't mention USE_PROTOTYPES. + +Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.c (ix86_set_move_mem_attrs): New function. + (ix86_set_move_mem_attrs_1): Likewise. + * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration. + * config/i386/i386.md (movstrsi): Call it. + +2001-02-24 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd, + x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv, + ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas, + rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete. + + (i750a-*-*): Error here if hosting on i750a. + (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely. + + * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h: + Remove (empty modulo comments). + + * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h, + alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h, + i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h, + i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs, + mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas, + rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete) + + * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h: + Remove reference to winnt.h in comment. + * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null. + +2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * loop.c (check_dbra_loop): A biv has uses besides counting if it is + used to set another biv. + +Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.h (BLOCK_DEAD): New macro. + (struct tree_block): New flag, dead_flag. + * print-tree.c (print_node, case 'b'): Print missing fields. + * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD. + * function.c (identify_blocks): Enable test for misplaced notes. + (all_blocks): Skip BLOCK_DEAD blocks. + * integrate.c (integrate_decl_tree): Likewise. + + * errors.c (internal_error, trim_filename): New functions. + (fancy_abort): Call internal_error. + * errors.h (internal_error, trim_filename): New declarations. + +2001-02-24 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted + 2000-08-26's patch. + (EXTRA_CONSTRAINT): Formatting changes. + +2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.c (rtl_check_failed_code2): Fix typo in last change. + +2001-02-23 Per Bothner <per@bothner.com> + + * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static, + so they can be called from java/jvspec.c. + * gcc.h (record_temp_file, pfatal_with_name, error): Declare. + +Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_frame): New structure. + (ix86_compute_frame_size): Kill. + (ix86_compute_frame_layout): New. + (ix86_save_reg): New. + (ix86_can_use_return_insn_p): Use frame layout stuff. + (ix86_expand_prologue): Likewise. + (ix86_expand_epilogue): Likewise. + (ix86_initial_elimination_offset): Likewise. + (ix86_nsaved_regs): Use ix86_save_reg. + (ix86_emit_save_regs): Likewise. + +Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (find_sub_basic_blocks): New function. + (split_block): Be ready for basic block introduced by CODE_LABEL. + (commit_one_edge_insertion): Call find_sub_basic_block. + + * flow.c (make_edges): Add edge from entry for blocks starting with + label having ALTERNATE_NAME + +Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * function.c (epilogue_done): Be ready for first basic block not + containing PROLOGUE_END note. + (reposition_prologue_and_epilogue_notes): Avoid placing + PROLOGUE_END note between BASIC_BLOCK. + +Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz> + + * loop.c (canonicalize_condition): Move to reversed_comparison_code. + +2001-02-21 DJ Delorie <dj@redhat.com> + + * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of + check for current_function_has_nonlocal_goto from 1999-11-12. + +Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.c (trim_filename): No longer static. + * toplev.h (trim_filename): Declare. + * rtl.c (rtl_check_failed_bounds): Call internal_error. + (rtl_check_failed_type1, rtl_check_failed_type2): Likewise. + (rtl_check_failed_code1, rtl_check_failed_code2): Likewise. + (rtvec_check_failed_bounds): Likewise. + * tree.c (tree_check_failed, tree_class_check_failed): Likewise. + + * convert.c (convert_to_integer): Don't do unsigned unless result or + both inputs are unsigned. + + * fold-const.c (fold_convert): Don't call size_int_type_wide if + input overflows. + + * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK. + + * varasm.c (output_constant): Recompute CODE after lang-specific fn. + +2001-02-23 Jeffrey Oldham <oldham@codesourcery.com> + + * Makefile.in (resource.o): Add params.h dependence. + * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter. + * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise. + * resource.c: Add dependence on params.h. + (current_live_regs): Fix explanatory comment. + (find_basic_block): Add new parameter to permit limiting search + for a BARRIER. + (mark_target_live_regs): Add new argument to find_basic_block call. + (incr_ticks_for_insn): Likewise. + +2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (output_to_stream): Rename to + output_buffer_to_stream. Loses the stream parameter. + (init_output_buffer): Set diagnosic_buffer's stream. + (flush_diagnostic_buffer): Adjust. + (default_print_error_function): Likewise. + (finish_diagnostic): Likewise. + (verbatim): Likewise. + + * diagnostic.h (struct output_buffer): Add `stream' field. + (output_buffer_attached_stream): New macro. + +2001-02-23 Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR, + check if either operand is divisible by C. + (multiple_of_p): Handle LSHIFT_EXPR with small constant shift. + If type is signed, consider negative numbers as well. + +2001-02-22 Richard Henderson <rth@redhat.com> + + * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to + reach .text instead of gp-relative relocs. + * config/ia64/crtend.asm (.init): Likewise. + +2001-02-22 Andreas Jaeger <aj@suse.de> + + * extend.texi (C++ Attributes): Fix typo. + +2001-02-21 David Mosberger <davidm@hpl.hp.com> + + * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage + functions, drop current_function_args_info.words test. + (ia64_compute_frame_size): Mark syscall_linkage functions as + using eight input registers. + +2001-02-21 Loren J. Rittle <ljrittle@acm.org> + Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix + * fixinc/README: Document how to convert sed substitutions + to format style c_fix-es. + * fixinc/fixincl.x: regen + +2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com> + + * gcc.c: Add comment explaining how to add a command-line option. + Add title to specs language comment. + +2001-02-21 Jeffrey Oldham <oldham@codesourcery.com> + + * gcc.c (cc1_options): Add "-param". + (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise. + (option_map): Likewise. + * toplev.c (display_help): Add entry for "--param". + (independent_decode_option): Fix typographical error. + +Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com> + Bernd Schmidt <bernds@redhat.com> + Jan Hubicka <jh@suse.cz> + + * i386.c (function_arg_advance): Pass SSE arguments in registers. + (function_arg): Likewise. + +Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec. + +2001-02-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (iorsi3): Do not output an extra newline + character. + (xorsi3): Likewise. + +Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (init_propagate_block_info): Canon address and use single_set + for killing dead memory stores. + +2001-02-21 Jeffrey Oldham <oldham@codesourcery.com> + + * Makefile.in (reorg.o): Add params.h dependence. + * params.def: Fix typographical error in comment. + (MAX_DELAY_SLOT_INSN_SEARCH): New parameter. + * params.h: Modify introductory comment. + (MAX_DELAY_SLOT_INSN_SEARCH): New parameter. + * reorg.c: Add dependence on params.h. + (redundant_insn): Add parameterized throttle for search. + (fill_simple_delay_slots): Add a comment explaining a variable. + Move conditional out of loop, simplifying code. + (fill_eager_delay_slots): Fix typographical error in comment. + +2001-02-20 Aldy Hernandez <aldyh@redhat.com> + + * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation. + + * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro. + (REVERSE_CONDEXEC_PREDICATES_P): Define macro. + +2001-02-21 Jason Merrill <jason@redhat.com> + + * tree.h (DECL_UNINLINABLE): Move from C++ frontend. + (struct tree_decl): Add uninlinable bitfield. + * c-decl.c (duplicate_decls): Set it. + * integrate.c (function_cannot_inline_p): Check it. + + * dwarf2out.c (add_name_and_src_coords_attributes): Don't add + DW_AT_MIPS_linkage_name to abstract methods. + (dwarf2out_abstract_function): Emit class context before calling + set_decl_abstract_flags. Don't clear DECL_ABSTRACT. + (gen_subprogram_die): Remove obsolete code. + (gen_member_die): Don't include clones in the member list. + (gen_decl_die): Emit abstract info for clone origin. + * dwarfout.c (output_type): Don't include clones in the member list. + * dbxout.c (dbxout_type_methods): Ignore abstract methods. + * toplev.c (note_deferral_of_defined_inline_function): Don't clear + DECL_ABSTRACT on a function that already has it set. + + * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL. + (get_subprogram_die): Pass it in. + +2001-02-21 Richard Earnshaw <rearnsha@arm.com> + + * flow.c (mark_set_1): Make not_dead unsigned long. For + non-pseudos, use it as a bitmask of the hard regs that + don't die. + +2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c: Update comments. + (_cpp_read_file): Don't check for NULL filenames any more. + * cppinit.c (cpp_start_read): Don't do canonicalization of + in_fname and out_fname. Use the passed file name exclusively. + (_cpp_handle_options): Don't treat "-" as a command line option, + but as a normal filename. + (_cpp_post_options): Canonicalize in_fname and out_fname. + * cppmain.c (printer_init): Don't check out_fname for NULL. + * c-lex.c (orig_filename): Rename cpp_filename for clarity. + (init_c_lex): Update, and use "" to represent stdin to CPP. + (yyparse): Update. + +2001-02-20 Will Cohen <wcohen@redhat.com> + + * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function. + * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added. + (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for + fixunstfsi_libfunc. + +2001-02-20 Stan Shebs <shebs@apple.com> + + * config/rs6000/rs6000.c (output_cbranch): Output branches + on separate lines instead of using ';' to separate. + +2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (set_lang): Move builtin handling to... + (init_builtins): ...here. + (_cpp_create_reader): Move call to set_lang. + +2001-02-20 Mark Mitchell <mark@codesourcery.com> + + * stmt.c (expand_return): If an attempt is made to return the + error_mar_node, treat the return like a return without a value. + +2001-02-19 Zack Weinberg <zackw@stanford.edu> + + * sibcall.c (skip_copy_to_return_value): Call + identify_call_return_value here, and return orig_insn if it + returns zero. Hardret and softret arguments now unnecessary. + (call_ends_block_p): Don't call identify_call_return_value here. + + * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or + 's' slots in RTXen. + * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function. + * ggc.h (ggc_mark_if_gcable): Delete prototype. + +Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com) + + * pa.c (move_operand): Accept code to load the address of a + symbol out of the DLT as a valid move operand. + (print_operand, case 'A'): New to handle generating a DLT + reference for a LO_SUM expression. + * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references. + * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references. + +2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * README, cpp.texi, gcc.texi, version.c: Update version number to + 3.1. + * cpp.1, gcov.1, gcc.1: Regenerate. + +2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Generate dependencies + here, and manage include_count here too. + (PRINT_THIS_DEP): Delete. + (_cpp_execute_include): Do not generate dependencies here, + apart from the case of a missing header. Do not manage + include_count. + (_cpp_read_file): Leave dependency generation to + stack_include_file. + +Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com) + + * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to + target_cpu_default. Remove dead assignment to + target_cpu_default. + +Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (contains_reg_of_mode): Make global. + (init_reg_sets): Remove contains_reg_of_mode; take into account + CLASS_MAX_NREGS when looking for the proper mode. + (dump_regclass): Dump only classes considered for the pseudo. + (regclass): Use contains_reg_of_mode. + +Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * gcc.c (do_spec_1): 'n' for printing notices. + * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated. + +Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (next_flags_user): Use current_block->end + (swap_rtx_condition): Look for next user if flags don't die; + give up on CALL_INSNs; use current_block->end. + +Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * sibcall.c (call_ends_block_p): New function. + (optimize_sibling_and_tail_recursive_call): Use it. + +2001-02-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Update copyright. + (andsi3): Do not output an extra newline character. + +Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * toplev.c (note_deferral_of_defined_inlined_function): Argument + FNDECL may be unused. + + * toplev.c (rest_of_compilation): Don't have CSE skip blocks or + follow jumps after first run. + If -fexpensive-optimizations rerun CSE after GCSE and iterate until + it doesn't change any jumps. + +Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (rtlanal.o): Depend on hard-reg-set.h. + ($HOST_PREFIX_1)rtlanal.o: Remove rules for building + (mostlyclean): Corresponding changes. + * rtlanal.c (hard-reg-set.h): Include. + (rtx_unstable_p): Do not treat the argument pointer specially + if it is not a fixed register. + (rtx_varies_p, rtx_addr_can_trap_p): Similarly. + +Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare + against last real insn in basic block. + Rework to avoid gotos. + + * Makefile.in (gcse.o): Now includes ggc.h. + * gcse.c: Include ggc.h. + (want_to_gcse_p): Verify expression can be in SET as valid insn. + (try_replace_reg): Remove warning of uninitialize variable. + (process_insert_insn): Call invalid_insn_p to validate insn. + * recog.c (insn_invalid_p): Now global. + See if can make valid by adding CLOBBERs of SCRATCH only and do if so. + * recog.h (insn_invalid_p): New declaration. + + * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap. + + * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put + assignments from FP constants since 'Y' output code can't handle it. + (eligible_for_sibcall_delay): Likewise. + + * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort. + Call fancy_abort directly, passing args. + (print_rtl_and_abort): Now a macro, like fancy_abort. + + * final.c (output_operand_lossage): Use internal_error, not error. + +2001-02-18 Shane Nay <shane@agendacomputing.com> + + * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to + structure shift insns. + +2001-02-18 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (-fsquangle): Remove documentation. + (-fname-mangling-version): Likewise. + +2001-02-18 Lars Brinkhoff <lars@nocrew.org> + + * optabs.c (expand_abs): Remove reference to + HAVE_contitional_arithmetic. + * combine.c (simplify_set): Likewise. + +2001-02-18 Richard Henderson <rth@redhat.com> + + * ifcvt.c (dead_or_predicable): Don't move code if eh regions + would be disrupted. + +2001-02-18 Richard Henderson <rth@redhat.com> + + * config/ns32k/ns32k.h (ADJSP): Upcase arguments. + + * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name. + + * reload1.c (reload_cse_simplify_set): Fix typo. + +Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.c (_fatal_insn): Decrement errorcount. + + * invoke.texi (-I): Add note avoiding use for system header files. + + * rtl.h (add_clobbers): Remove duplicate declaration. + * recog.h (added_clobbers_hard_reg_p): New declaration. + * genemit.c (struct clobber_pat): New field has_hard_reg. + (gen_insn): Record if added clobbers clobber hard reg. + (gen_split): Avoid unused warning if number of operands is 0. + (output_added_clobbers_hard_reg_p): New function. + (main): Call it. + +2001-02-18 Alan Modra <alan@linuxcare.com.au> + + * pa.c (hppa_expand_prologue): Simplify code storing return + pointer. For large (>=8k) frames with a post_store, adjust stack + pointer by 8k-64 first rather than by 64. When testing with + VAL_14_BITS_P, always use the actual value rather than the value + negated. Add blockage to prevent scheduling of spills before + stack frame has been created. + (hppa_expand_epilogue): Simplify code loading return pointer. + Allow a slightly larger range for merge_sp_adjust_with_load case. + When testing with VAL_14_BITS_P, always use the actual value. + + * pa.c (pa_adjust_insn_length): Check that block move + pattern is a set before looking at operands. + +2001-02-17 Mark Mitchell <mark@codesourcery.com> + + * fold-const.c (fold_binary_op_with_conditional_arg): New + function, split out from ... + (fold): ... here. + * tree.def (COND_EXPR): Document the use of VOID_TYPE for + conditional arms that throw exceptions. + + * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not + looking at a BLOCK. + +2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test, + define HAVE_DECL_* to 1 to mask potential backup declarations. + * configure: Regenerated. + +2001-02-17 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (-Woverloaded-virtual): Clarify documentation. + +2001-02-17 Richard Henderson <rth@redhat.com> + + * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP + when replacing a memory load with a register. + +Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_src_1): New. + (validate_replace_src_data): Likewise. + (validate_replace_src): Use note_uses. + * rtl.h (note_uses): Declare. + * rtlanal.c (note_uses): New. + +Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (stack_def): Make field reg unsigned. + (remove_regno_note): Unsignetize parameter. + +2001-02-16 Jes Sorensen <jes@linuxcare.com> + + * ia64.c (errata_emit_nops): Add VOIDmode as second argument to + shladd_operand() call. + +2001-02-16 Bruce Korb <bkorb@gnu.org> + Rodney Brown <RodneyBrown@mynd.com> + + * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7. + * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching + machine restrictions + * fixinc/fixincl.x: regen + +Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV. + Don't CSE a nop. + (hash_scan_insn): Clean up calls to hash_scan_set. + (compute_kill_rd): REGNO now unsigned. + (try_replace_reg): Rework to use simplify_replace_rtx. + (cprop_jump, cprop_cc0_jump): Likewise. + (cprop_insn): Call find_reg_equal_equiv_note. + Reflect changes to cprop_jump and cprop_cc0_jump. + + * recog.c (validate_replace_src): Replace in operands of + ZERO_EXTRACT in SET_DEST. + + * cse.c (new_label_ref): New variable. + (insert): Set it instead of recorded_label_ref. + (cse_basic_block): Set recorded_label_ref if new_label_ref use, has + CODE_LABEL for this function, and not already in REG_LABEL note. + +2001-02-16 Jeffrey Oldham <oldham@codesourcery.com> + + * resource.c (mark_referenced_resources): Fix typo in introductory + comment. + * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in + string constant. + +2001-02-16 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is + NULL. + (gen_subprogram_die): Don't abort on seeing a second definition if + the previous one was abstract. Don't replace an abstract instance + in the lookup table. + + * dwarf2out.c (dwarf2out_abstract_function): Rename from + gen_abstract_function. + * dwarf2out.h: Declare it. + * toplev.c (note_outlining_of_inline_function): New fn. + * toplev.h: Declare it. + * integrate.c (output_inline_function): Call it. + * c-decl.c (duplicate_decls): Call it when redefining an extern + inline. Don't inline the new defn. + + * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK. + +2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * .gdbinit: Rename to gdbinit.in. + * gdbinit.in: New file, + * configure.in: Generate .gdbinit from gdbinit.in. + * configure: Regenerated. + * Makefile.in (distclean): Always remove .gdbinit. + +2001-02-16 Jakub Jelinek <jakub@redhat.com> + + * objc/objc-act.c (start_class): Register implemented_classes with + GC. + +2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_make_system_header): Generate a file + change callback. + +2001-02-15 Jim Meyering <meyering@lucent.com> + + * Makefile.in (install-common): Don't depend on installdirs here. + Instead, make each of the lang.install-common targets (e.g., + c++.install-common in cp/Make-lang.in) depend on it. + (install-driver): Depend on installdirs. + +Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (tidy_fallthru_edge): Never end block on line number NOTE. + + * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we + do in memory. + +2001-02-15 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (--param): Document. + +Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define. + +Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (extendsfdf2_2): Fix constraints. + +Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fop_df_3 splitter): Fix operand number. + +Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * invoke.texi (-mreg-alloc): Nuke. + * i386.c (ix86_reg_alloc_order, regs_allocated, + order_regs_for_local_alloc): Nuke. + (override_options): Kill reg_alloc code. + * i386.h (TARGET_OPTIONS): Kill reg-alloc. + (REG_ALLOC_ORDER): SSE goes before I387. + (ORDER_REGS_FOR_LOCAL_ALLOC): Kill. + (ix86_reg_alloc_order): Likewise. + * i386-protos.h (ix86_reg_alloc_order): Kill. + +2001-02-14 Richard Henderson <rth@redhat.com> + + * toplev.c (f_options): Clarify -fschedule-insns2 documentation. + +Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes + +Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (ix86_memory_move_cost): Move offline. + * i386.c (ix86_register_move_cost): Compute properly cost of + SSE, MMX and i387 instructions. + (*_cost): Add costs of SSE/MMX moves. + (ix86_memory_move_cost): Move offline from ....; Likewise. + * i386.h (MEMORY_MOVE_COST): .... here; + (struct processor costs): Add new fields to represent costs + of SSE/MMX moves. + +Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (init_reg_sets_1): Reinstall the optimization of + move_cost together with Matt Kraai's fix. + +2001-02-14 Jeffrey Oldham <oldham@codesourcery.com> + + * Makefile.in (OBJS): Add params.o. + +2001-02-14 Richard Henderson <rth@redhat.com> + DJ Delorie <dj@redhat.com> + + * jump.c (jump_optimize_1): When we delete a conditional jump + preceding a non-conditional jump to effectively the same place, + make sure that the combined jump skips any clobber insns between + the two labels. + +2001-02-14 Jeffrey Oldham <oldham@codesourcery.com> + + * gcc.c (do_spec_1): Fix off-by-one error for '%M' case. + +2001-02-14 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (toplev.o): Depend on params.h. + (intergate.o): Likewise. + (params.o): New target. + * flags.h (inline_max_insns): Remove. + * integrate.c: Include params.h. + Use MAX_INLINE_INSNS instead of inline_max_insns. + * params.c: New file. + * params.h: Likewise. + * params.def: Likewise. + * toplev.c: Include params.h. + (lang_independent_params): New variable. + (decode_f_option): Use the param machinery instead of setting + max_inline_insns. + (independent_decode_option): Handle "--param name=value". + (main): Register language-independent parameters. + +Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pushsf, pushdf_nointeger): Fix constraint. + +2001-02-14 Richard Henderson <rth@redhat.com> + + * regclass.c (init_reg_sets_1): Revert last two changes. + +2001-02-14 Jakub Jelinek <jakub@redhat.com> + + * stor-layout.c (is_pending_size, put_pending_size): New functions. + (variable_size): Call put_pending_size. + * tree.h (is_pending_size, put_pending_size): Add prototypes. + * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending + sizes list, put newly created SAVE_EXPR there as well. + +2001-02-14 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.c (last_group): Only 2 entries are needed. + (errata_find_address_regs): load_group has only 2 entries. + (errata_emit_nops): Likewise. shladd is not problematic. + Clear last_group if nop was emitted. + (fixup_errata): load_group has only 2 entries. + Optimize. + +2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_number): Only warn traditionally for U suffix + outside system macros. + * cppexp.c (parse_number): Similarly. + * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New. + * cppmacro.c (struct cpp_macro): New member node. + (parse_args): Only warn about missing rest args if not + a system macro. + (funlike_invocation_p): Similarly for uninvoked funlike macros. + (cpp_sys_objmacro_p): New. + (_cpp_create_definition): Store the node with the macro defn. + Remember if the macro is defined in a system header. + +2001-02-13 DJ Delorie <dj@redhat.com> + + * configure.in (check_languages): determine languages to check + * Makefile.in (check-c++): alias for check-g++ + (check-f77): alias for check-g77 + (CHECK_TARGETS): depend on configured languages + +Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again. + (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2) + (sqrtsf2 patterns): Use 'x' instead of 'Y'. + (sqrtextendsfdf2): Disable for SSE2. + +Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again. + (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2) + (sqrtsf2 patterns): Use 'x' instead of 'Y'. + (sqrtextendsfdf2): Disable for SSE2. + +Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movsfcc_1): Support integer cmove instruction. + (movdfcc_1): Likewise; new splitter. + +Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (output_fp_compare): Support SSE. + (prepare_fp_compare_args): SSE comparisons always support memory. + * i386.h (TARGET_CMOVE): SSE imply cmove. + * i386.md (cmp?f2): Enable for SSE too. + (cmpfp_i*): Support SSE. + (cmpfp_i_sse): New. + (cmpfp_i_sse_only): New. + (s*, b* fp expanters): Enable for SSE too. + (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only): + New patterns. + +Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (init_reg_sets_1): Silence warning. + +Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sqrt?f2): Change to expander. + (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New. + +Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtlanal.c (find_reg_equal_equiv_note): New function. + * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns. + (simplify_gen_relational, simplify_replace_rtx): Likewise. + * rtl.h: Add declarations for above functions. + +Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to + conditionals. + * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM. + * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals. + * flow.c (mark_regs_live_at_end): Likewise. + (calculate_global_regs_live): Likewise. + * gcse.c (compute_hash_table): Likewise. + (compute_kill_rd): Likewise. + * resource.c (mark_target_live_regs): Likewise. + * rtl.h (INVALID_REGNUM): New macro. + +Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Fix previous patch. + +Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Force operand to register + for SSE. + +Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2) + too. + (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE. + (fop_sf_comm_sse, fop_df_comm_sse): New patterns. + (fop_sf_1_sse, fop_df_1_sse): New patterns + (fop_*): Disable float_extend and float patterns for SSE compilation. + * i386.c (output_387_binary_op): Support SSE. + +Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (dummy_extendsfdf2): Support SSE2 + (extendsfdf2): Enable if 80387 or SSE2. + (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble + and no MIX_I387_SSE2 + (extendsfdf2_1_sse_only): New pattern. + (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version + of SSE. + (truncdfsf2_1): Support SSE. + (truncdfsf2_2): Support SSE. + (truncdfsf2_2_1_sse): New pattern. + (fixtruncsfsi2): Always use SSE if available. + (fix_truncsfsi_sse): New pattern. + (fix_truncdfsi_sse): New pattern. + (floatsis?f2): Support SSE. + (floatsidf2_i387): New pattern. + (floatsidf2_sse): Likewise. + +Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in: Use "have_gnat" variable, not "gnat". + * configure: Regenerated. + + * config/sparc/sparc.c (function_value): Treat all non-record + aggregate types like used to treat UNION_TYPE. + +Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG + * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber + (MASK_SSE2): New. + (MASK_MIX_SSE_I387): New. + (TARGET_SSE): SSE2 imply SSE. + (TARGET_SSE2, TARGET_MIX_SSE_I387): New. + (TARGET_SWITCHES): Add "sse2", "mix-sse-i387". + (enum reg_class): Add new classes. + (REG_CLASS_NAMES): Likewise. + (REG_CLASS_CONTENTS): Likewise. + (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros. + (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is + supported. Add 'Y' to be SSE_REGS when SSE2 is supported. + (CLASS_MAX_NREGS): Use new macros. + (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED. + * i386.md (pushsf, movsf): Support SSE. + (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update + splitters to use ANY_FP_REGNO_P. + (movdf_nointeger, movdf_integer): Likewise. + +2001-02-13 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro. + (try_combine): Use it. + +Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P, + MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros. + (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline. + (REGISTER_MOVE_COST): Likewise. + * i386-protos.h (ix86_secondary_memory_needed, + ix86_preferred_reload_class, ix86_register_move_cost): Declare. + * i386.c (ix86_secondary_memory_needed, + ix86_preferred_reload_class, ix86_register_move_cost): New function. + +Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New. + (HARD_REGNO_MODE_OK): Move offline to .... + * i386.c (ix86_hard_regno_mode_ok) ... here; + refuse all incorrect modes. + * i386-protos.h (ix86_hard_regno_mode_ok): Declare. + +2001-02-13 Richard Henderson <rth@redhat.com> + + * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the + entire operator; replicate that and match_dup the operands. + (cmp_ccx_arith_op_set): Likewise. + (cmp_cc_arith_op_not_set): Likewise. + (cmp_ccx_arith_op_not_set): Likewise. + +2001-02-13 Alexandre Oliva <aoliva@redhat.com> + + * explow.c (trunc_int_for_mode): Sign-extend value to mode. + +2001-02-12 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro. + (TARGET_NO_BITFIELD_WORD): New macro. + (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options. + (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD. + +Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cselib.c: New file, from simplify-rtx.c. + * simplify-rtx.c: Remove cselib parts. + * Makefile.in: Add cselib.o. + +2001-02-12 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.c (rs6000_float_const): Remove warning. + (setup_incoming_varargs): Remove warning. + + * config/rs6000/rs6000.c (validate_condition_mode): When + flag_fast_math, allow floating-point conditionals to be reversed. + (rs6000_generate_compare): When flag_fast_math, don't generate + cror operations for FP conditionals. + + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle + -mcall-i960. + (ASM_SPEC): Likewise. + (CC1_ENDIAN_LITTLE_SPEC): Likewise. + (CC1_SPEC): Likewise. + (LINK_TARGET_SPEC): Likewise. + (CPP_ENDIAN_SPEC): Likewise. + * Makefile.in (check-consistency): New target. + +2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (grokdeclarator): In C99 mode, give the more specific + "return type defaults" warning for functions with return type + defaulting to int. + * c-lang.c (c_init): In C99 mode, enable warnings for implicit + function declarations by default rather than only when pedantic. + +Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (init_reg_sets_1): Optimize calculation of move_cost + arrays. + +2001-02-12 Nathan Sidwell <nathan@codesourcery.com> + + * extend.texi (Deprecated): Deprecate new initializer lists. + +2001-02-12 Nathan Sidwell <nathan@codesourcery.com> + + * mkdeps.c (deps_add_default_target): Robustify. Add + basename component only. + * cpp.texi (-M): Describe how default target is generated. + * invoke.texi (-M): Likewise. + +2001-02-12 Kazu Hirata <kazu@hxi.com> + + * toplev.c (push_float_handler): Remove. + (pop_float_handler): Remove. + * toplev.h: Remove prototypes for the above functions. + +2001-02-12 Jakub Jelinek <jakub@redhat.com> + + * c-common.c (constant_fits_type_p): New function. + (convert_and_check): Use it. + +2001-02-11 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (GXX_ABI_FLAG): Don't define. + * configure.in (--enable-new-gxx-abi): Remove option. + * config.in: Regenerated. + * configure: Likewise. + +2001-02-12 Alexandre Oliva <aoliva@redhat.com> + + * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular + basic block. + (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a + regular basic block, and arrange for all edges into it to switch + to normal mode. + +2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * Makefile.in (distclean): Do not remove .gdbinit. + +2001-02-11 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (gcc.o): Fix typos. + (protize.o): Likewise. + (unprotoize.o): Likewise. + +2001-02-11 Richard Henderson <rth@redhat.com> + + * tree.c (build1): Check for null operand in last change. + +2001-02-11 Richard Henderson <rth@redhat.com> + + * fold-const.c (split_tree): Don't assume a constant isn't splittable. + (fold): Don't assume a constant isn't foldable. + * tree.c (build): Set TREE_CONSTANT for an expression with no + side-effects and constant operands. + (build1): Likewise. + +2001-02-10 Richard Henderson <rth@redhat.com> + + * jump.c (squeeze_notes): Revert 2000-05-12 change. + +2001-02-10 Anthony Green <green@redhat.com> + + * cpp.texi (Standard Predefined): Add documentation for + __OPTIMIZE_SIZE__. + + * c-common.c (combine_strings): Improve warning message. + +2001-02-10 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for + --oformat. + * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise. + +Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for + CYGWIN_CROSS_DIR. + +2001-02-09 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set + fp_mode attribute. + +2001-02-09 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.md: Change output contraint on post inc + load/store multiple patterns to be a read/write contraint. + +2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc.c (cpp_options): Delete .d files on error. Don't delete + .o files when using the -M options. + +2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to + handle DImode constants. Use one TOC entry for SImode and smaller + constants, aligned properly. + +2001-02-08 Jason Merrill <jason@redhat.com> + + * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend + about the SP adjustment for saving the static chain pointer. + * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified + offset when setting a temporary CFA register. + +2001-02-08 Chandrakala Chavva <cchavva@redhat.com> + + * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*, + powerpc-*-chorusos* . + * config/rs6000/chorus.h : New file. + * config/i386/chorus.h : New file. + * config/sparc/chorus.h : New file. + * config/sparc/t-chorus-elf : New file. + +2001-02-08 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ... + * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here. + * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it. + (__WCHAR_TYPE__): Correct macro name. + +2001-02-08 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_frame_pointer_required): New. + (ix86_setup_frame_addresses): New. + (struct machine_function): Add accesses_prev_frame. + * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call + ix86_frame_pointer_required. + (SUBTARGET_FRAME_POINTER_REQUIRED): New. + (SETUP_FRAME_ADDRESSES): New. + * config/i386/i386-protos.h: Update. + * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename + from FRAME_POINTER_REQUIRED. + * config/i386/svr3gas.h: Likewise. + * config/i386/sysv3.h: Likewise. + * config/i386/v3gas.h: Likewise. + +2001-02-08 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c (function_arg_record_value_3): Fix + calculation of the number of integer registers required. + (function_arg_record_value): Likewise. + +2001-02-08 Jason Merrill <jason@redhat.com> + + * diagnostic.c (internal_error): Say "confused" after 1 error, not + two. Print file and line with "confused" message. + + * dwarf2out.c (dwarf2out_line): Include filename in -dA output. + +Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtlanal.c (remove_node_from_expr_list): Correctly update PREV. + +2001-02-08 Bernd Schmidt <bernds@redhat.com> + + * final.c (cleanup_subreg_operands): The address of a MEM can + contain SUBREGs. + + * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p + for asms, too. + +2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi (Incompatibilities): Update documentation of + preprocessing numbers. + +2001-02-07 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (finish_enum): Revert part of 2000-01-05 change. + +2001-02-07 Mark Mitchell <mark@codesourcery.com> + + * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it. + + * defaults.h (CPLUSPLUS_CPP_SPEC): New macro. + * gcc.c (struct compiler): Add cpp_spec field. + (input_file_compiler): New variable. + (do_spec_1): Allow a particular compiler to handle `%C' + specially. + (main): Store the current compiler in input_file_compiler. + * tm.texi (CPLUSPLUS_CPP_SPEC): Document. + +2001-02-07 Zack Weinberg <zack@wolery.stanford.edu> + + * cpphash.h (struct spec_nodes): Add n_true and n_false. + * cppinit.c (cpp_create_reader): Initialize them. + (append_include_chain): cxx_aware arg might be unused. + * cppexp.c (lex): In C++ mode, recognize 'true' and 'false' + keywords and give them their phase 7 meaning. Pedwarn about + this unless '__bool_true_false_are_defined' is defined. + +2001-02-07 Alexandre Oliva <aoliva@redhat.com> + + * lcm.c (optimize_mode_switching): Emit mode_set before the + JUMP_INSN of an abnormal edge. + +2001-02-07 Bernd Schmidt <bernds@redhat.com> + + * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as + a scheduling barrier at the end. + + * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document. + +2001-02-07 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (reload_outsf): Removed. + (movsf_ie): Introduce constraints for FPUL loads and stores. + (reload_insf): Broaden the output constraint. + + * config/elfos.h (INT_ASM_OP): Don't define it if it's already + defined. + * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR, + ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h. + +2001-02-06 Chandrakala Chavva <cchavva@redhat.com> + + * final.c: Revert my previous changes. + * output.h: Make profile_label_no extern. + * config/rs6000/rs6000.c (output_profile_hook): Use standard functions + for generating label. + +2001-02-06 Laurynas Biveinis <lauras@softhome.net> + + * config/i386/djgpp.h: Add comments about standard paths. + (MD_EXEC_PREFIX): Undefine before defining. + (MD_STARTFILE_PREFIX): New. + +2001-01-30 Bruce Korb <bkorb@gnu.org> + + fixinc/fixincl.c(process): Emit error message only if appropriate :) + (load_file): do not rely on load_file_data() to close file pointer + fixinc/fixlib.c(load_file_data): do not close passed in file pointer + fixinc/inclhack.def(irix_limits_const): add test_text + +2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (parse_defined): Improve diagnostics for invalid + syntax. + +2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (cpp_get_token): Avoid pasting after a builtin. + +2001-02-06 Mark Mitchell <mark@codesourcery.com> + + * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define. + * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare. + * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro. + (rs6000_output_symbol_ref): New function. + (output_toc): Use VTABLE_NAME_P. + +Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * print-tree.c (print_node, case PARM_DECL): + Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN. + + * stor-layout.c (reference_types_internal): New variable. + (internal_reference_types): New function. + (layout_type, case REFERENCE_TYPE): Make Pmode if internal. + * tree.h (internal_reference_types): New declaration. + + * cse.c (find_best_addr): Fix typo in computing cost. + +Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned + and this is the sum of a pointer and a constant, we know the result + did not overflow. + (num_sign_bit_copies, case PLUS): Likewise. + * explow.c (convert_memory_address): Remove opposite SUBREG. + * function.c (instantiate_new_reg): New function (from common code). + (instantiate_virtual_regs_1): Call it. + For PLUS, handle if (plus (subreg (virt-reg) (const_int)) + if pointers sign- or zero-extend. + * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND): + If pointers extend unsigned, use inside of SUBREG. + (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend. + +2001-02-05 Benjamin Kosnik <bkoz@redhat.com> + + * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target + subdir of gcc_gxx_include_dir. + (gcc_gxx_target_include_dir): Remove. + +2001-02-05 Jeffrey Oldham <oldham@codesourcery.com> + + * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments. + (dwarf2out_frame_debug_expr): Revise introductory comments to add + a high-level description. + +2001-02-05 Chandrakala Chavva <cchavva@redhat.com> + + * final.c: Move the declaration of profile_label_no to ... + * output.h: ... here. + * function.c (expand_function_start): Call PROFILE_HOOK. + * config/rs6000/aix.h: Define PROFILE_HOOK. + * config/rs6000/rs6000-protos.h: output_profile_hook new. + * config/rs6000/rs6000.c (output_profile_hook): Define. + (output_prolog): Do nothing for ABI_AIX as it is taken care by + output_profile_hook. + tm.texi : Explain new macro PROFILE_HOOK. + +2001-02-06 Hans-Peter Nilsson <hp@axis.com> + + * extend.texi (Extended Asm): Do not say that semicolon is always + a valid line-breaking character for GNU assemblers. Use + newline-tab as the most commonly supported syntax. Use + newline-tab rather than semicolon in multi-insn examples. + +2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias). + +2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC + code for AIX, even without flag_pic. + +2001-02-05 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (common_type): push and pop binding level around + calling common_type on function parameters. + +Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter. + +Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/mips/mips.c (override_options): Fix typo in last change. + (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name. + (mips_asm_file_end): Likewise; also pass more args to fatal_io_error. + +2001-02-05 Nathan Sidwell <nathan@codesourcery.com> + + * invoke.texi (-fdump-class-layout): Document. + (-fdump-translation-unit): Use `=' as filename separator. + +2001-02-05 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (s-mlib): Don't build multilibs if + --disable-multilib. + (DRIVER_DEFINES): Adjust accordingly. + (gcc.o): Likewise. + (protoize.o): Likewise. + (unprotoize.o): Likewise. + * configure.in: Recognize --enable-multilib. + +2001-02-04 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (DRIVER_DEFINES): Fix quoting. + + * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3. + * configure.in: Remove --enable-libstdcxx_v3 support. + * configure: Regenerated. + +Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): + Call abort instead of fatal. + (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal. + * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise. + (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise. + (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise. + (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise. + * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise. + + * diagnostic.h (set_internal_error_function): Renamed. + * toplev.h (internal_error): Renamed from fatal. + (pfatal_with_name): Deleted. + (fatal_io_error): Now has printf-style arguments. + * diagnostic.c (pfatal_with_name): Deleted. + (fatal_io_error): Rework to have args in printf-style. + (set_internal_error_function): Renamed from set_fatal_function. + (internal_error): Renamed from fatal. + (error_recursion, fancy_abort): Call internal_error instead of fatal. + * dwarf2out.c (get_cfa_from_loc_descr): Likewise. + * emit-rtl.c (gen_realpart, gen_imagpart): Likewise. + * expr.c (check_max_integer_computation_mode, expand_expr): Likewise. + * flow.c (verify_flow_info): Likewise. + * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise. + * config/mips/mips.c (save_restore_insns): Likewise. + + * except.c (duplicate_eh_handlers): Call abort instead of fatal. + * flow.c (verify_flow_info): Likewise. + * config/arm/arm.c (thumb_load_double_from_address): Likewise. + * config/avr/avr.c (pttreg_to_str, unique_section): Likewise. + (avr_normalize_condition): Likewise. + * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise. + * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise. + (limit_reload_class, double_reg_to_memory): Likewise. + (print_operand_address, emit_1600_code_shift): Likewise. + (gen_tst_reg, gen_compare_reg): Likewise. + * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise. + * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare): + Deleted. + * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it. + + * c-parse.in (methoddef): Call fatal_error instead of fatal. + * objc/objc-act.c (build_ivar_chain): Likewise. + * dwarfout.c (dwarfout_init): Call fatal_io_error instead of + pfatal_with_name. + * graph.c (clean_graph_dump_file): Likewise. + * profile.c (init_branch_prob): Likewise. + * objc/objc-act.c (objc_init): Likewise. + + * config/arm/arm.c (arm_override_options): Make errors non-fatal. + * config/avr/avr.c (avr_override_options): Likewise. + * config/c4x/c4x.c (c4x_expand_prologue): Likewise. + * config/dsp16xx/dsp16xx.c (function_prologue): Likewise. + * config/h8300/h8300.c (h8300_init_once): Likewise. + * config/mips/mips.c (override_options): Likewise. + * config/i386/i386.c (override_options): Likewise, rework. + * config/m68k/m68k.c (override_options): Likewise. + + * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage + instead of fatal. + * config/mips/mips.c (print_operand): Likewise. + * hash.c (hash_allocate): Don't check for failure returns from + obstack functions that can't fail. + (hash_table_init_n, hash_table_init): Likewise; also now return void. + * hash.h (hash_table_init_n, hash_table_init): Now return void. + * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call. + (get_object_reference): Likewise. + +2001-02-04 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e, + StrongARM1110, 10TDMI, and 1020T. + +2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif. + +2001-02-04 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movdf load split): Pass register number to + FP_OR_XD_REGISTER_P. + +2001-02-04 Mark Mitchell <mark@codesourcery.com> + + * cppinit.c (BC): New macro. + (builtin_array): Add __GXX_WEAK__. + * cpplib.h (builtin_type): Add BT_WEAK. + * cppmacro.c (builtin_macro): Handle BT_WEAK. + * defaults.h (SUPPORTS_ONE_ONLY): Define. + * varasm.c (SUPPORTS_ONE_ONLY): Do not define. + +2001-02-03 Jakub Jelinek <jakub@redhat.com> + + * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C. + +2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h: Rename _ALIGN POOL_ALIGN. + * cpplex.c (new_chunk, _cpp_pool_reserve): Update. + +2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h: Rename ALIGN _ALIGN. + * cpplex.c (new_chunk, _cpp_pool_reserve): Update. + +Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross + compilation environment. + * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow + control over location of cygwin includes and libs. + +2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz) + + * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo. + +2001-02-02 lars brinkhoff <lars@nocrew.org> + + * md.texi (Standard Names): remove reference to spur.md. + +2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz) + + * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define. + (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG. + (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise. + * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG. + (c4x_expand_prologue, c4x_expand_epilogue): Likewise. + +2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand, + c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register + number before reload. + (c4x_adjust_cost): Return zero before reload. + * c4x.md (load_immed_address+1, load_immed_address+2): Do not + split before reload. + +2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_hard_regno_rename_ok): New. + * c4x-protos.h (c4x_hard_regno_rename_ok): New. + * c4x.h (HARD_REGNO_RENAME_OK): Define. + +Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.h: Add missing "extern" in all declarations. + +2001-02-02 Alex Samuel <samuel@codesourcery.com> + + * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically + as for gcc_gxx_include_dir. + +2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi, invoke.texi: Update -Wtraditional documentation. + +2001-02-02 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit + label before alignment to be used as the braf base address. + * config/sh/sh.md (length): Use longer lengths for SH1 PIC far + branches. + (casesi_jump_2): Require at least TARGET_SH2. + + * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent + truncation to 32-bit doubles on -m3e and -m4-single-only. + +2001-02-02 Mark Mitchell <mark@codesourcery.com> + + * gcc.c (init_gcc_specs): New function. Make -shared-libgcc + the default when building a shared object. + (init_spec): Use it. + * testsuite/lib/g++.exp: Include the directory where libgcc + is located to the LD_LIBRARY_PATH list. + * invoke.texi (-shared-libgcc): Document the cases in which + GCC defaults to using the shared libgcc. + +2001-02-02 Alexandre Oliva <aoliva@redhat.com> + + * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume + unsigned is wide enough. + (BITS_PER_SI): New. + * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI. + (si_to_float): Likewise. + (float_to_si, float_to_usi): Use BITS_PER_SI. + +2001-02-01 Jeffrey Oldham <oldham@codesourcery.com> + + * dwarf2out.c: Added explanation of abbreviations. + (def_cfa_1): Added comments listing DWARF2 instructions. + (cfa_temp_reg): Removed in favor of cfa_temp. + (cfa_temp_value): Removed in favor of cfa_temp. + (cfa_temp): New global variable. + (dwarf2out_frame_debug_expr): Added extensive introductory + comments explaining the function's transformations. Revised to + use cfa_temp. Added some rtx checking. Generalize IOR case. + (dwarf2out_frame_debug): Revised to use cfa_temp. + (output_aranges): Cast as "unsigned" to avoid warning. + * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better + explain which instructions must be marked. + +2001-02-01 Richard Henderson <rth@redhat.com> + + * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the + new instruction. + +2001-02-01 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/crt1.asm (main_k): Modified so that start calls + ___setup_argv_and_call_main. + +2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader. + * cpplex.c (_cpp_lex_token): New token picks up the saved flags, + and AVOID_LPASTE is cleared on meeting an unescaped newline. + * cppmacro.c (builtin_macro): Set builtin flags here. + (paste_all_tokens): Preserve AVOID_LPASTE on pasted token. + (replace_args): Clarify intent. + (cpp_get_token): Macro expansion tokens get the saved flags. + Update. + * cppmain.c (scan_buffer): Remove now-redundant print.printed + check. + +2001-02-01 Jeffrey Oldham <oldham@codesourcery.com> + + * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of + 2001-Jan-29. + +Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space + returns Pmode pseudo, but we need ptr_mode. + * explow.c (allocate_dynamic_stack_space): Use plus_constant. + Remove bogus conversions; use HOST_WIDE_INT for size. + Don't use TARGET if wrong mode. + + * config/i386/i386.c (ix86_compute_frame_size): Allow + stack_alignment_needed to be non-default even if size is zero. + +2001-01-31 Alan Modra <alan@linuxcare.com.au> + + * pa.c (hppa_init_pic_save): New function. + * pa.h (hppa_init_pic_save): Declare. + * pa.md (call, call_value, sibcall, sibcall_value): Use + the above instead of duplicated code. + + * pa.c (hppa_encode_label): Correct size of alloca buffer + so we don't overrun it. Correct leading `*' case. + * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't + need to handle `*@'. + (FUNCTION_NAME_P): Likewise. + +2001-01-31 Richard Henderson <rth@redhat.com> + + * config.gcc (alpha-osf5): Use float-i128.h. + + * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define. + * config/float-i32.h: Likewise. + * config/float-i64.h: Likewise. + * config/float-sh.h: Likewise. + * config/float-sparc.h: Likewise. + +2001-01-31 DJ Delorie <dj@redhat.com> + + * expmed.c (extract_bit_field): allow non-integral modes if we + want to extract a whole register from itself. + +2001-01-31 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (set_init_index): If first is equal to last, assume as + if it was not a range at all. + +2001-01-31 Alexandre Oliva <aoliva@redhat.com> + + * config/fp-bit.c: Include tm.h. + (float_to_si): Don't assume SImode is 32-bits wide. + (float_to_usi): Likewise. + +2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (structsp): Pedwarn when "enum foo" refers to an + incomplete type. + (typename): Call pending_xref_error after parsing typed_typespecs. + * c-decl.c (lookup_tag): Give error immediately rather than + leaving it pending if the tag of the wrong type is in the same + binding level. + (xref_tag): Don't pedwarn for forward declarations of enum types + here. + * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union + and enum tags. + +2001-01-31 Alexandre Oliva <aoliva@redhat.com> + + * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo. + +2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (T_ELIF): Move to STDC89, not that it matters. + (_cpp_handle_directive): Suggest not using #elif with -Wtraditional. + +2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): New saved_flags. + * cppmacro.c (cpp_get_token): Use saved_flags to remember + to avoid a paste after a pasted token. + +2001-01-31 Alexandre Oliva <aoliva@redhat.com> + + * libgcc2.h (Wtype_MAX, Wtype_MIN): Define. + * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use + Wtype_MIN instead of LONG_MIN. + +2001-01-30 Jeffrey Oldham <oldham@codesourcery.com> + + * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of + README file. + * fixinc/fixincl.x: Regenerated. + * fixinc/inclhack.def (irix_limits_const): New definition to + convert "const" to "__const" in limits.h. + +2001-01-30 Jeffrey Oldham <oldham@codesourcery.com> + + * fixinc/genfixes (AG): Fix "autogen4" thinko. + +2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED + when register dies in the insn. + +2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * diagnostic.c (fatal): Fix word wrap. + +2001-01-30 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (try_combine): Fix SUBREG setting for + HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD. + +2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN + comparison codes. + +2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type) + is not NULL. + * toplev.c (decode_W_option): Update warn_larger_than + unconditionally for each processed switch. + +2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx + to NULL_RTX. + (hppa_expand_prologue): Delete code to save pic offset table register + in the function prologue. + * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment. + * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset + table register at the beginning of the function after the prologue. + +2001-01-29 lars brinkhoff <lars@nocrew.org> + + * tm.texi (PUSH_ROUNDING): Remove duplicate lines. + +2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca> + Jeff Law <law@redhat.com> + + * pa.md (return): Revise comment for trivial return. + (return_internal): Non-trivial return pattern for non-PIC code. + (return_internal_pic): Non-trivial return pattern for PIC code. + It uses the PIC register to ensure it is restored after + function calls. + (epilogue): Generate appropriate return for PIC and non-PIC code. + +Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Fix -mno-cygwin search path for link. + +2001-01-29 DJ Delorie <dj@redhat.com> + + * combine.c (if_then_else_cond): Pass the correct mode to + operand_subword() for constants. + +Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Add w32api to include search. Search different + directories in a cross-build environment. + +2001-11-29 Tim Josling <tej@melbpc.org.au> + + * tree.h (TYPE_STUB_DECL): Add documentation. + +2001-11-29 Laurynas Biveinis <lauras@softhome.net> + + * sdbout.c (sdbout_one_type): Skip types with indeterminate size. + (sdbout_field_types): Likwise. Fix use of host_integerp. + +2001-01-29 Thomas Pfaff <tpfaff@gmx.net> + + * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in + cygwin.h. + +2001-01-29 Jeffrey Oldham <oldham@codesourcery.com> + + * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition + to use flag_gnu_linker. + +2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (T_BAD_DIRECTIVE): Remove. + (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1. + +2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * tree.c, tree.h (build_parse_node): Remove; was identical to + build_nt. + * c-lang.c (start_cdtor), objc/objc-act.c + (build_module_descriptor): Use build_nt instead of + build_parse_node. + +2001-01-29 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI). + (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does + not have any upper bits set. + +2001-01-29 Phil Edwards <pme@sources.redhat.com> + + * COPYING.LIB: Update to LGPL 2.1 from the FSF. + +2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * stmt.c (estimate_case_costs): Use integer_minus_one_node. + + * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node. + + * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE. + (integer_minus_one_node): Define. + +2001-01-28 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (bootstrap2-lean): Fix typo. + +2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash) + : Don't set fe_value. + * cpplib.h (AVOID_LPASTE): New flag. + (struct cpp_hashnode): Remove fe_value. + * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number. + * cppmacro.c (builtin_macro): Don't set flags here. + (replace_args): Set AVOID_LPASTE flag on first token of an + argument, and the token following it. + (cpp_get_token): Set AVOID_LPASTE flag on first token of a + macro expansion, and on the token following it. Do it for + builtins too. + * cppmain.c (scan_buffer): Avoid pasting only flagged tokens. + +2001-01-27 Richard Henderson <rth@redhat.com> + + * config/alpha/t-ieee: Remove multilibbing. + (TARGET_LIBGCC2_CFLAGS): Add -mieee. + +2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h. + + * Makefile.in: Remove all dependencies on defaults.h. + * builtins.c: Don't include defaults.h. + * c-common.c: Likewise. + * c-decl.c: Likewise. + * c-pragma.c: Likewise. + * c-typeck.c: Likewise. + * combine.c: Likewise. + * i386.c: Likewise. + * frame-ia64.c: Likewise. + * cppexp.c: Likewise. + * crtstuff.c: Likewise. + * dbxout.c: Likewise. + * dwarf2out.c: Likewise. + * dwarfout.c: Likewise. + * emit-rtl.c: Likewise. + * except.c: Likewise. + * expr.c: Likewise. + * final.c: Likewise. + * frame-dwarf2.c: Likewise. + * libgcc2.c: Likewise. + * optabs.c: Likewise. + * profile.c: Likewise. + * sdbout.c: Likewise. + * toplev.c: Likewise. + * tradcif.y: Likewise. + * tree.c: Likewise. + * varasm.c: Likewise. + +2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_fputs): Use size_one_node when + transforming into fwrite. + +2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi (Attribute Syntax): New section. + +2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * fixproto: Correctly install synthesized unistd.h and stdlib.h when + they didn't need fixing. + +2001-01-27 Janis Johnson <janis@us.ibm.com> + + * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h + if appropriate. + * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and + to remove macro definitions that are duplicated from elfos.h. + +2001-01-27 Richard Henderson <rth@redhat.com> + + * config/i386/sco5gas.h: Move ... + * config/usegas.h: ... here. + * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update. + +2001-01-27 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (struct constructor_stack): Add range_stack member. + (really_start_incremental_init): Clear it. + (push_init_level): Save constructor_range_stack and clear it if + pushing explicit braces. + (pop_init_level): abort if constructor_range_stack is nonzero at + explicit closing brace. Restore saved constructor_range_stack if + not implicit. + +2001-01-27 Alexandre Oliva <aoliva@redhat.com> + + * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded + into register was forced into memory. + +2001-01-27 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in: Remove uses of + before $(MAKE). + +2001-01-26 Richard Henderson <rth@redhat.com> + + * stmt.c (cost_table): Remove. + (COST_TABLE, cost_table_initialized): New. + (estimate_case_costs): Use the later instead of the former. + (balance_case_nodes): Likewise. + +2001-01-26 Richard Henderson <rth@redhat.com> + + * alias.c (objects_must_conflict_p): Read-only slots may not + conflict despite having the same type. + +2001-01-27 Michael Hayes <mhayes@redhat.com> + + * loop.c (loop_giv_reduce_benefit): Copy mode size into + int variable. + (check_ext_dependant_givs): Initialize u_start_val and + u_end_val. + (load_mems): Make last_max_reg unsigned. + (try_swap_copy_prop): Use INSN_P and initialize set. + +Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru> + + * README.AVR : Removed. + +Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com) + + * pa-64.h (text_section): Remove declaration. + + * pa.md (return_internal): Remove mode on PIC register use. + +2001-01-25 lars brinkhoff <lars@nocrew.org> + + * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN, + ASM_CLOSE_PAREN): fix typos. + +2001-01-25 Mark Mitchell <mark@codesourcery.com> + + * acconfig.h: Define `const' to the empty string if neither + __STDC__ nor __cplusplus is defined. + * config.in: Regenerated. + +2001-01-25 David Edelsohn <edelsohn@gnu.org> + + * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h. + * collect2.c (main): Delete importf. Add ".obj" file extension. + (GCC_CHECK_HDR): Handle AIX V5 new magic number. + (aix_std_libs): Add additional AIX libraries to skip. + * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number. + * config/rs6000/aix51.h: New file. + +2001-01-25 Michael Hayes <mhayes@redhat.com> + + * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New. + (loop_insn_emit_before): No longer static. + (move_movables): Replace emit_insn_after with loop_insn_emit_after. + (loop_givs_rescan, load_mems): Likewise. + (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before. + (maybe_eliminate_biv_1): + (move_movables): Replace emit_call_insn_before with + loop_call_insn_hoist. + * loop.h (loop_insn_emit_before): Add. + * unroll.c (copy_loop_body): Replace emit_insn_before with + loop_insn_emit_before. + +2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * diagnostic.c (fatal): Request preprocessed source. + +Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com> + + * c-decl.c (duplicate_decls): If different_binding_level is nonzero, + olddecl has argument types and newdecl has none, use the argument + types from olddecl. + +2001-01-24 Ulrich Drepper <drepper@redhat.com> + + * dwarf2out.c (prefix_of): New function. Determine longest common + prefix of the two arguments. The units are whole path components. + (output_file_names): When adding a new directory find the one entry + with the longest common prefix already in the list. Artificially + generate entry if there is none for this prefix. + Fix test to check whether the zeroth directory entry is used. + +Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (reload_reg_free_for_value_p): New parameter start_regno. + Changed all callers. Take it into account when deciding if a + previously loaded value matches. + +2001-01-24 Richard Henderson <rth@redhat.com> + + * reload.c (find_reloads_subreg_address): Fail the substitution + if the resulting address is insufficiently aligned. + +2001-01-24 DJ Delorie <dj@redhat.com> + + * combine.c (combine_simplify_rtx): If the modes are all VOIDmode, + check the original operand's mode also. + * simplify-rtx.c (simplify_ternary_operation): Ditto. + +2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (cast_expr): Move compound literals from here ... + (primary): ... to here. Use standard terminology "compound + literal" instead of "constructor expression". + +2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.1, cpp.1: Regenerate. + +2001-01-24 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_library_call_value_1): Memory slot for + pass-by-reference argument should have the mode of the argument, + not of the pointer to it. + +2001-01-24 Tom Tromey <tromey@redhat.com> + + * gcc.texi (G++ and GCC): Mention gcj manual. + (Standards): Link to section of manual mentioning gcj/Java + compatibility. + +2001-01-24 Jakub Jelinek <jakub@redhat.com> + + * cppfiles.c (_cpp_read_file): Add to dependencies if requested. + * cppinit.c (cpp_start_read): Remove deps_add_dep call. + * tradcpp.c (main): Add -imacros or -include'd dependencies + for -M*. + * cpp.texi (-M, -MM): Document -M -include behavior. + +2001-01-24 Roger Collins <roger@ProProject.com> + + * config/i386/xm-i386.h: Make __i386__ a boolean macro. + +2001-01-24 Will Cohen <wcohen@redhat.com> + + * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account + whether registers are 32 bits or 64 bits in size. + +2001-01-24 Ben Elliston <bje@redhat.com> + + * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg. + +2001-01-24 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (builtin_longjmp_internal): New. + (builtin_longjmp): Use it instead of emit_indirect_jump. + +2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * bb-reorder.c (make_reorder_chain_1): Handle case where + jump edge goes to the same block as the fallthru edge. + +2001-01-23 Jim Wilson <wilson@redhat.com> + + * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned. + * frame.h (__ia64_personality_v1): Add prototype. + * libgcc2.c (ia64_throw_helper): Change personality declaration to + prototype form. Add void * cast to first argument to personality + call. + * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs. + (asctoe113): Likewise. + * config/ia64/frame-ia64.c: Include eh-common.h. + * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add + prototypes. + * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED + to dump parameter. + (itanium_split_issue): Add prototype. + (gen_nop_type): Ifdef out. + (find_best_packet): Initialize best_packet. + (ia64_encode_section_info): New local string. Use for ggc_alloc_string + result. + * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0. + * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start. + (flushrs): Add explicit stop bit at end. + * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change + trailing \ to >. + +2001-01-23 Chris Demetriou <cgd@broadcom.com> + + * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list + of EH symbols. + * libgcc2.c (__terminate_func): Make variable static. + (__terminate_set_func): New function to set __terminate_func. + * libgcc2.h (__terminate_func_ptr): New typedef. + (__terminate_set_func): New function. + +2001-01-23 Richard Henderson <rth@redhat.com> + + * flow.c (init_propagate_block_info): Don't consider unchanging + memories for dead frame store elimination. + +2001-01-23 Richard Henderson <rth@redhat.com> + + * varasm.c (UNIQUE_SECTION): Move default implementation ... + * defaults.h: ... here. + +2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define. + +2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_charconst): Fix typo: s/p/str. + +2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.h (rs6000_return_addr): Move prototype from here... + * rs6000-protos.h (rs6000_return_addr): ...to here. + (rs6000_init_expanders): Delete prototype. + +2001-01-23 Nick Clifton <nickc@redhat.com> + + * invoke.texi: Replace , with \, inside @gccoptlist macros. + (Spec Files): Document %B and %j and %. and %v3 and %M and + %{S*&T} spec switches. + +2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_r11_set_p): Calculate rtx code correctly. + +2001-01-23 Chris Demetriou <cgd@sibyte.com> + Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c: Merge handlers of PEDWARN and WARNING. + Have -Werror make pedantic warnings errors, like the + rest of GCC. + +2001-01-23 Phil Edwards <pme@sources.redhat.com> + + * c-tree.texi (IDENTIFIER_LENGTH): Fix typo. + +2001-01-23 Jakub Jelinek <jakub@redhat.com> + + * integrate.h (struct inline_remap): Add compare_src, compare_mode. + * integrate.c (expand_inline_function): Initialize them. + (subst_constants): If changing COMPARE so that both its arguments + will be VOIDmode and the comparison mode will be lost, note + compare_mode. Use the recorded compare_mode to optimize + IF_THEN_ELSE. + +2001-01-23 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (new_die): Use xcalloc. + (output_die): Abort rather than emit a local reference to offset 0. + +2001-01-17 Andrew Haley <aph@redhat.com> + + * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy + of a saved register; return NULL instead. + (copy_reg): Take a pointer to a source register rather than a + frame_state. + (next_stack_level): Remember the address in the stack frame of all + saved registers. + Use the saved register pointer array as the source of the CFA. + (throw_helper): Rewrite. Unwind once rather than twice and keep + track of saved registers as we go. + +2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x-protos.h (c4x_legitimize_reload_address): Remove. + * c4x.c (c4x_legitimize_reload_address): Remove. + * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct + reload address for ldp(k) insn. + +Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com) + + * pa.md (return_internal): Add a USE of the PIC register to ensure + it is restored after each call. + (return expander): Corresponding changes. + +2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.h (INIT_EXPANDERS): Delete. + (RETURN_ADDR_RTX): Call rs6000_return_addr(). + * rs6000.c (rs6000_override_options): Call *_machine_status from + here... + (rs6000_init_expanders): ...instead of here. Delete. + (rs6000_mark_machine_status): New function. + (rs6000_init_machine_status): Use xcalloc. + (rs6000_return_addr): Generate RTX for the return address. + (rs6000_ra_ever_killed): New, check if LR was ever destroyed. + (rs6000_stack_info): Use it. + +2001-01-22 Thomas Pfaff <tpfaff@gmx.net> + + * gthr-win32.h: Include errno.h to get a declaration for + EINVAL and _mingw.h if the target is mingw32. + +2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co> + + * cpp.texi: Correct typos. + +Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (probe_stack_range): Ensure value passed to + stack_check_libfunc is ptr_mode, not Pmode. + +Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com> + + * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND + case, don't use operand_subword to calculate a SUBREG that is + wider than a word. + + * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE. + +2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions. + (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is + valid. If not replace it by equivalent insns. + +2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST + contains SYMBOL_REF, LABEL_REF and CONST_INT. + (c4x_U_constraint, symbolic_address_operand): Likewise. + (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in + memory. + (c4x_r11_set_p, c4x_check_laj_p): New functions. + * c4x-protos.h (c4x_check_laj_p): Add prototype. + * c4x.md (in_annul_slot_3): Do not allow auto-increment in last + anulling slot because of silicon bug. + (laj, lajv): Call c4x_check_laj_p to check for silicon bug. + +2001-01-22 Alan Modra <alan@linuxcare.com.au> + + * cppexp.c (parse_charconst): Change `mask' type to agree + with parse_escape. + +2001-01-21 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_asm_file_end): Disable putting + pic_label_name in a linkonce section. + +2001-01-17 Philipp Thomas <pthomas@suse.de> + + * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was + found in libintl. + * configure: Regenerate. + +Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com> + + * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard + uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks. + +Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.c (ret_cond_branch): New argument (reverse) added. + If REVERSE nonzero then condition code in X must be reversed. + (encode_section_info): Optimize if/else. + (avr_function_value): Fix formatting. + + * config/avr/avr.md (branch): Call to ret_cond_branch changed. + (difficult_branch): Likewise. + (rvbranch): Likewise. + (difficult_rvbranch): Likewise. + + * config/avr/avr-protos.h (ret_cond_branch): Prototype changed. + + * config/avr/libgcc.S: Fix comment. + +2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * sdbout.c (PUT_SDB_DEF): Fix after last bogus change. + +2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting. + +2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro. + * configure.in (gcc_AC_FUNC_STRSTR): Add invokation. + * configure, config.in: Regenerate. + * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables. + (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling. + (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules. + (doprint.o): New rule. + +2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (digest_init): Handle boolean types as scalars. + +Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_return): Don't return anything if size is zero. + Delete redundant assignment to BYTES. + * expr.c (move_block_from_reg): Do nothing if NREGS is zero. + +2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was + the same as the default library function names. + * config/avr/avr.md: Document special characters after '%'. + (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves, + knowing which of the call-used registers are really clobbered. + (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4): + New. Both quotient and remainder from one libgcc.S call. + * config/avr/libgcc.S: Optimize mul/divmod for the new insns above, + clobber as few registers as possible. + * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes. + +2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (funlike_invocation_p): Don't move back up to the + context of the top of the stack. + +2001-01-20 Jakub Jelinek <jakub@redhat.com> + + * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling... + (fixup_var_refs_insns): ...here. + +2001-01-20 Zack Weinberg <zack@wolery.stanford.edu> + + * function.c (fixup_var_refs_insns): Break up into + fixup_var_refs_insn [body of loop], fixup_var_refs_insns + [loop over entire insn list], and fixup_var_refs_insns_with_hash + [loop over hash table entries]. + (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or + fixup_var_refs_insns_with_hash, to match above changes. + +2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable. + (libgcc.a): Likewise. + (stmp-multilib): Likewise. + (STAGE2_FLAGS_TO_PASS): Likewise. + +2001-01-19 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as + temporary if no_new_pseudos. + +2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinternals.texi: Update. + +2001-01-19 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_init_builtins): Re-enable builtins. + +Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility. + * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow + element to be null, and always expect an EXPR_LIST. + * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise. + * sched-deps.c (sched_analyze_1): Likewise. + * sched-rgn.c (check_live_1, update_live_1): Likewise. + + * regclass.c (max_set_parallel): New variable. + (reg_scan): Take it into account in computation of max_parallel. + (reg_scan_mark_refs, case SET): Compute it. + + * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume + args are REG. + * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM. + * function.c (assign_parms): Use INTVAL for a CONST_INT. + +2001-01-19 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl + for the abstract instance of an inline function. + +Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com> + J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (move2add_note_store): Treat all registers directly or + indirectly derived from a base register as members of the same set + of values. + (reload_cse_move2add): Adjust accordingly. Take mode and offset + of base register into account. + +Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com> + + * alias.c (find_base_value): Recognize TRUNCATE. + (record_set): In PLUS case, invalidate if other summand is also a + base value. + +Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (mark_set_1, case PARALLEL): New case; rework to allow + entry to be EXPR_LIST. + * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to + be an EXPR_LIST (but not null, which other code doesn't allow). + (note_stores): Properly handle PARALLEL in SET. + Recursively call for top-level PARALLEL. + * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET. + * sched-rgn.c (check_live_1, update_live_1): Likewise. + + * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h. + +2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping, + not pfile->skipping (== 0). + +2001-01-17 Nick Clifton <nickc@redhat.com> + + * config/rs6000/rs6000.c: Add prototypes for {init|free}_ + machine_status. + +2001-01-17 Jim Wilson <wilson@redhat.com> + + * invoke.texi (IA-64 options): Improve. + +2001-01-17 Tom Tromey <tromey@redhat.com> + + * invoke.texi (Optimize Options): Use `{}' to around @samp + argument. + +2001-01-17 Aldy Hernandez <aldyh@redhat.com> + + * invoke.texi (-fno-guess-branch-probability): New option. + +Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (try_combine): Don't set i3_subst_into_i2 for + case of making new double-word constant. + Revert last change: instead just test i3_subst_into_i2. + +2001-01-17 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation. + Use q constraints instead of r. + +Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au) + + * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove. + (machine_function): Define. + (PIC_OFFSET_TABLE_SAVE_RTX) : Define. + * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status, + pa_free_machine_status): New functions. + (override_options): Set {init,mark,free}_machine_status to above. + (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of + PIC_OFFSET_TABLE_REGNUM_SAVED. + * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of + PIC_OFFSET_TABLE_REGNUM_SAVED throughout. + * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove + references to PIC_OFFSET_TABLE_REGNUM_SAVED. + * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. + +2001-01-15 DJ Delorie <dj@redhat.com> + + * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing. + (cpp.1): Ditto. + (gcc.1): Ditto. + +Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (propagate_one_insn): Make trying to delete a prologue + or epilogue insn an ICE, not a warning. Allow doing this if + the current function returns with stack pointer depressed. + + * combine.c (try_combine): If i3_subst_into_i2, properly check for + I3 having more than one SET. + +2001-01-16 Jim Wilson <wilson@redhat.com> + + * invoke.texi: Document IA-64 options. + + * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support. + (fixup_errata): Delete TARGET_A_STEP use. + * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete. + (TARGET_SWITCHES): Delete -ma-step option. + * config/ia64/ia64.md (all FP patterns): Delete %B0. + (movqicc_astep, movqi_internal_astep, movhicc_astep, + movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1, + movdi_internal_astep, movsfcc_astep, movsf_internal_astep, + movdfcc_astep, movdf_internal_astep, movtfcc_astep, + movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep): + Delete. + (movqi_internal, movhi_internal, movsi_internal, movdi_internal, + movsf_internal, movdf_internal, movtf_internal, cmovdi_internal, + cmovsi_internal): Delete ! TARGET_A_STEP check. + +2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gcc.texi (Bug Lists): Do not mention newsgroups nor the + possibility to report bugs via postal mail. Change a URL and + merge in a nearly duplicate statement... + (Bug Reporting): ...from here. + (Service): Refer to the Bug Reporting section instead of + duplicating an URL. + (Contributing): Remove trivial explanations concerning snapshots. + +2001-01-16 Alan Modra <alan@linuxcare.com.au> + + * cppmain.c (general_init): Don't use ANSI prototype. + +2001-01-16 Tom Tromey <tromey@redhat.com> + + * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT. + +2001-01-16 Richard Henderson <rth@redhat.com> + + * config/i386/i386.h: Fix comment typo. + * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/ + (ashr+compare patterns): Match CCGOCmode not CCNOmode. + +2001-01-16 Phil Edwards <pme@sources.redhat.com> + + * gcc.c: Revert previous -fsyntax-only-related change; move + to cp/g++spec.c. + +2001-01-16 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (fcmov_comparison_operator): Only initialize + inmode after checking GET_CODE (op). + +2001-01-16 Richard Henderson <rth@redhat.com> + + * flow.c (struct propagate_block_info): Add mem_set_list_len. + (MAX_MEM_SET_LIST_LEN): New. + (propagate_one_insn): Update mem_set_list_len. + (invalidate_mems_from_autoinc): Likewise. + (invalidate_mems_from_set): Likewise. + (mark_used_regs): Likewise. + (init_propagate_block_info): Likewise. Stop collecting memories + when we reach MAX_MEM_SET_LIST_LEN. + (mark_set_1): Likewise. + +2001-01-16 Richard Henderson <rth@redhat.com> + + * unroll.c (precondition_loop_p): Fail if no iteration + variable found. + +2001-01-16 Phil Edwards <pme@sources.redhat.com> + + * gcc.c: When -fsyntax-only is given, do not complain about + unused libraries. + +2001-01-15 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (asm_output_function_prefix): Remove. + (ix86_asm_file_end): New. + (load_pic_register): Generate pic_label_name into a + statically allocated buffer. + * config/i386/i386-protos.h: Update. + * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove. + (ASM_FILE_END): New. + * config/i386/i386afe.h: New file. + * config.gcc (i?86-*-elf) [tm_file]: Use it. + (i?86-*-{freebsd,linux*,moss*}): Likewise. + * config/elfos.h (ASM_FILE_END): Undef before redefinition. + * config/i386/cygwin.h (ASM_FILE_END): Likewise. + * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end. + * config/i386/sco5.h (ASM_FILE_END): Likewise. + * config/i386/winnt.c (i386_pe_asm_file_end): Likewise. + +2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (install-man): Remove explicit dependency on + $(srcdir)/gcc.1. + + * configure.in, configure: Revert previous patch requiring perl + 5.6.0. + +2001-01-12 Aldy Hernandez <aldyh@redhat.com> + + * toplev.c (flag_guess_branch_prob): New. + (f_options): Add guess-branch-probability option. + (rest_of_decl_compilation): Only estimate branch probability if + flag set. + (main): set flag_guess_branch_prob. + + * flags.h (flag_guess_branch_prob): New. + +2001-01-15 DJ Delorie <dj@redhat.com> + + * gcc.texi (Makefile): Add documentation for Makefile targets. + +2001-01-15 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (arm_finalize_pic): New arg "prologue". + (is_pic): Delete. + * config/arm/arm-protos.h (arm_finalize_pic): Update prototype. + (is_pic): Delete declaration. + * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic. + (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address. + * config/arm/arm.md (builtin_setjmp_receiver): New. + +2001-01-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (use_return_insn): Don't try to determine the function type + until after reload has completed. + (arm_output_epilogue): Don't adjust the sp value recovered from the + stack. + (emit_multi_reg_push): Don't record dwarf information for the pc. + * arm.md (eh_epilogue): The function type may have changed, so it + needs to be recalculated. + * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2 + unwind tables on arm/netbsd. + +2001-01-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (cbranchsi4): Correct calculation of branch ranges. + (negated_cbranchsi4): Likewise. + +2001-01-15 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define. + (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string. + (ASM_SPEC): Call subtarget_extra_asm_spec. Don't + pass -mapcs-* options to assembler. + * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define. + (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string. + (ASM_SPEC): Call subtarget_extra_asm_spec. + +2001-01-15 Andreas Jaeger <aj@suse.de> + + * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove + warnings. + (ix86_expand_builtin): Likewise. + + * gencodes.c (output_predicate_decls): Make i size_t to avoid + warning about comparison between signed and unsigned. + +2001-01-14 Geoffrey Keating <geoffk@redhat.com> + + * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs. + +2001-01-14 Ralf Baechle <ralf@gnu.org> + + * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change + SUBTARGET_CPP_SPEC appropriately. + +2001-01-12 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (make_decl_rtl): Fix typo in last change. + +2001-01-14 Jeffrey Oldham <oldham@codesourcery.com> + + * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the + linker supports the init_priority C++ attribute. + * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro. + * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix + linker does not support init_priority C++ attribute. + +Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com> + + * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs. + +2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (finish_parse): Add comment about cpp_destroy. + * cp/lex.c (finish_parse): Similarly. + * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity. + Return the number of errors encountered. + * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int. + * cppmain.c (main): Don't call cpp_destroy. + +2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Require at least perl 5.6.0 to regenerate + manpages. + * configure: Regenerate. + +2001-01-14 Richard Henderson <rth@redhat.com> + + * genrecog.c (DT_veclen_ge): New. + (add_to_sequence) [MATCH_PARALLEL]: Generate one. + (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge. + (nodes_identical_1): Handle DT_veclen_ge. + (write_cond, debug_decision_2): Likewise. + +2001-01-14 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace + with ... + (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New. + +2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (do_preprocessing): New function; most of the old + main. + (main): Call it to do most of the work. + (cb): Move from global scope to set_callbacks (). + (setup_callbacks): Get the callback pointer. + (general_init, printer_init): Clean up code and comments. + +2001-01-14 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when + compiling PIC. + +2001-01-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Update comments. + +Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * ggc-page.c (alloc_annon): Call perror and correctly call exit. + (alloc_page, ggc_alloc): Add casts to remove warnings. + +2001-01-14 Geoffrey Keating <geoffk@redhat.com> + + * combine.c (simplify_comparison): Don't change `code' when + can't reverse comparison. + +2001-01-14 Richard Henderson <rth@redhat.com> + + * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem; + update all call sites. Return true for all non-label constants. + +Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz> + + * i386.c (ix86_expand_compare): Add bypass_test and second_test + parameters. + (ix86_expand_branch): Update. + (ix86_expand_setcc): Update to handle multiple test conditions. + (expand_int_movcc): Likewise. + (expand_fp_movcc): Likewise. + * i386-protos.h (ix86_expand_compare): New. + * i386.md (andqi_?_slp, orqi_?_slp): New. + (conditional trap expander): Update call to ix86_expand_compare. + +2001-01-14 Richard Henderson <rth@redhat.com> + + * config/vax/vax.md: Use nonimmediate_operand instead of + general_operand in destinations. + + * config/vax/vax.md (indirect_jump): Use register_operand. + + * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments. + * config/vax/vax.md (call_pop): Turn into an expander. + (call_value_pop): Likewise. + (call, call_value): New. + +2001-01-14 Andreas Jaeger <aj@suse.de> + + * config/i386/i386.c (ix86_split_fp_branch): Remove unused + variables. + (ix86_fp_compare_mode): Add unused attribute. + (ix86_expand_fp_movcc): Remove unused variable. + (ix86_expand_builtin): Make fcode unsigned. + + * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned. + (expand_expr): Add cast to avoid signed warning. + (store_field): Likewise. + (store_constructor_field): Likewise. + (store_constructor): Likewise. + (store_expr): Likewise. + (clear_storage): Likewise. + (emit_group_store): Likewise. + (emit_group_load): Likewise. + +2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c: Move format checking code to ... + * c-format.c: ... here. New file. Reorder some functions and + declarations. + (decl_handle_format_attribute, decl_handle_format_arg_attribute): + New functions. + * c-common.h (decl_handle_format_attribute, + decl_handle_format_arg_attribute): Declare. + * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o. + (c-common.o): Adjust dependencies. + (c-format.o): New list of dependencies. + +2001-01-13 Jakub Jelinek <jakub@redhat.com> + + * unroll.c (loop_iterations): If we cannot prove iteration variable + is set once in each iteration, punt. + +Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.md ("strlenhi"): Remove clobber of input address. + (*strlenhi): Remove clobber (which was buggy) of output address. + +2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (generated-manpages): Add gcc.1 + ($(srcdir)/gcc.1): New target. + (maintainer-clean): Delete $(srcdir)/gcc.1. + * gcc.texi: Add macros @gccoptlist and @gol. + * invoke.texi: Include option summary in manpage. Mark up option + summary with @gccoptlist and @gol. Use @r in one place where + appropriate. + * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org. + * gcc.1: Generate from invoke.texi. + +2001-01-13 Richard Henderson <rth@redhat.com> + + * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap. + (struct page_entry): Add group member. + (struct page_group): New. + (struct globals): Add page_groups member. + (alloc_anon): Only define for using mmap; remove valloc call. + (page_group_index): New. + (set_page_group_in_use): New. + (clear_page_group_in_use): New. + (alloc_page): Implement USING_MALLOC_PAGE_GROUPS. + (free_page, release_pages): Likewise. + * configure.in (with-gc): Default to ggc-page always. + +2001-01-13 Alexandre Oliva <aoliva@redhat.com> + + * reload1.c (replace_pseudos_in_call_usage): Use + reg_equiv_constant and reg_equiv_address, and don't try + regno_reg_rtx first. + +2001-01-13 Richard Henderson <rth@redhat.com> + + * ggc-page.c (alloc_page): Round up allocation size to one page. + Set e->order on extra pages. + +2001-01-13 Richard Henderson <rth@redhat.com> + + * genrecog.c (nodes_identical): Expand commentary. + (write_switch): Watch out for identical nodes. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_fake_include): New function. + * cpphash.h (_cpp_fake_include): New. + * cpplib.c (do_line): Call _cpp_fake_include when entering + header files in preprocessed input. + * cppmain.c (cb_pragma_implementation): Remove handling. + (setup_callbacks): Don't register pragmas. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * extend.texi: Udate for CPP. + +2001-01-13 Andreas Jaeger <aj@suse.de> + + * reload1.c: Add prototype for replace_pseudos_in_call_usage. + + * regmove.c: Add prototype for replace_in_call_usage. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro, + struct cpp_chunk, struct htab, struct toklist, + struct cpp_context, CPP_STACK_MAX, struct lexer_state, + struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER, + CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp, + ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h. + (struct macro_args): Delete. + * cpphash.h: See above. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (struct printer): Remove no_line_dirs. + (options, cb): New. + (main, setup_callbacks, scan_buffer, printer_init, cb_define) + : Use options rather than CPP_OPTION. + (setup_callbacks): Use cb rather than pfile->cb. + (main): No need to check for a buffer. Use cpp_errors. + (printer_init): Don't set no_line_dirs. + (maybe_print_line): Use options not no_line_dirs. + (cb_file_change): Don't call print_line if -P. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (init_c_lex): Use cpp_get_callbacks to set + callbacks. + * c-parse.in (finish_parse): Use cpp_errors. + (__yylex): Use return value of cpp_pop_buffer. + * cp/lex.c (finish_parse): Use cpp_errors. + * cp/spew.c (read_token): Use return value of cpp_pop_buffer. + +Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru> + + * README.AVR: URLs corrected. + +Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-decl.c (start_function): Don't warn if old prototype is builtin + that's not in C's namespace. + * libgcc2.c (_varargs): Update definition of __builtin_saveregs. + (_bb): Add prototype for ctime. + * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos. + +Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_fp_comparison_arithmetics_cost, + ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost, + ix86_fp_comparison_cost): New functions. + (ix86_expand_fp_compare): Use the costs to choose best bethod; add + two new parameters SECOND_TEST and BYPASS_TEST; allow generating + two-branch sequences; make static. + (ix86_use_fcomi_compare): Do decision according to the costs. + (split_fp_branch): New. + * i386.md (compare-and-branch patterns): Use split_fp_branch. + * i386-protos.h (ix86_expand_fp_compare): Remove + (ix86_split_fp_branch): Declare. + + * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand + and ix86_comparison_operator. + + * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison + to make it cheaper. + + * i386.c (put_condition_code): Output properly the unordered/ordered + compares in fp case. + (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure. + + * tm.texi (REVERSE_CONDITION): Document. + * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode + in -ffast-math mode. + * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro. + +2001-01-13 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly. + + * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be + optimized away. + + * config/sh/sh.c (mova_p): Fix test for mova_const. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * fix-header.c (read_scan_file): Use cpp_get_callbacks and + cpp_get_options rather than dereferencing pfile and using + CPP_OPTION. + * scan-decls.c (scan_decls): Use return value of + cpp_pop_buffer rather than CPP_BUFFER. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_handle_option): help_only is now part of the + cpp_options structure. + * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks, + cpp_set_callbacks): New functions. + * cpplib.h (cpp_callbacks): Break out as a named structure. + (cpp_options): Move help_only here from cpp_reader. + (CPP_FATAL_ERRORS): Update to use cpp_errors. + (cpp_errors, cpp_get_options, cpp_get_callbacks, + cpp_set_callbacks): New prototypes. + * cppmain.c (main): Update for help_only. + +2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (info, maintainer-clean, install-info, uninstall): + Also build and remove and install and uninstall c-tree.info and + cppinternals.info. + ($(srcdir)/gcc.info): Add dependency on contrib.texi. + ($(srcdir)/cppinternals.info): New target. + * c-tree.texi: Change file name used when makeinfo used without -o + from ir.info to c-tree.info. Add info directory entry. + * cppinternals.texi: Add info directory entry. + * .cvsignore: Update. + +2001-01-12 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (store_init_value): Don't require constant initializer + elements with -pedantic -std=c99. + (digest_init): Change error about non-constant initializer elements + into pedwarn. + (constructor_range_end): Remove. + (constructor_incremental, designator_depth, + designator_errorneous): New variables. + (struct constructor_stack): Remove range_end, add incremental. + (struct constructor_range_stack, constructor_range_stack): New. + (struct initializer_stack): Add constructor_range_stack. + (finish_init): Set it. + (start_init): Likewise. require_constant_elements for non-static + trees only if not flag_isoc99. + (really_start_incremental_init): Remove constructor_range_end, add + constructor_incremental. + (pop_init_level): Likewise. + (push_init_level): Likewise. If implicit and the subobject had some + value set already, preinitialize the level with it. + Warn about missing braces only if not pushing due to designators. + (set_designator, push_range_stack): New functions. + (set_init_label): Use them. + (set_init_index): Likewise. Remove constructor_range_end. + Error if designator index is outside of array bounds. + (add_pending_init): Compare values of purpose index trees, not the + trees themselves. Allow overwriting of already initialized element. + Issue a warning if it had side-effects. + (set_nonincremental_init, set_nonincremental_init_from_string): New + functions. + (pending_init_member): Rename to... + (find_init_member): ...this function. Call set_nonincremental_init + if necessary. Compare values of purpose index trees, not the trees + themselves. Return the actual value, not just nonzero if something + is found. + (output_init_element): Remove checks for duplicates. + If field has zero size, only check the initializer for correctness. + Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL + if constructor_incremental is zero. Change error about initializers + not computable at load time into pedwarn. + (output_pending_init_elements): Compare bit positions, not + FIELD_DECLs to take into account zero-sized fields. + (process_init_element): Use constructor_range_stack to fill all + ranges in the designator lists from current level up. + * extend.texi: Update documentation for labeled elements. + +2001-01-12 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs + to function usage for arguments passed by reference. Optimize + callee-copied arguments. + * regmove.c (replace_in_call_usage): New function. + (fixup_match_1): Call it. + * cse.c (cse_insn): Canonicalize registers in function usage. + * reload1.c (replace_pseudos_in_call_usage): New function. + (reload): Call it. + + * Makefile.in: Reverted yesterday's wrong patch. Installed the + right version. + +2001-01-12 Jakub Jelinek <jakub@redhat.com> + + * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp, + not XEXP (tmp, 0). + +2001-01-12 DJ Delorie <dj@redhat.com> + + * Makefile.in (bootstrap): rename stages to be mnemonic. Add + restageN, unstageN, bubblestrap, quickstrap, and cleanstrap + targets. + +2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi, + tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to + -std options alongside references to -ansi. Update some + documentation for C99. + * cpp.1: Regenerate. + +2001-01-12 Andreas Jaeger <aj@suse.de> + + * haifa-sched.c (restore_line_notes): Remove argument block B + since it's unused. + * sched-ebb.c (schedule_ebb): Change caller. + * sched-rgn.c (schedule_region): Likewise. + * sched-int.h (restore_line_notes): Adjust prototype. + + * loop.h: Remove wrong declaration of doloop_condition_get. + +2001-01-12 Phil Edwards <pme@sources.redhat.com> + + * extend.texi: Move C++-extension-related node from the C section + into the C++ section. + +2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi: Refer to an array of pointers to functions instead + of one of functions. + +Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de> + Jan Hubicka <jh@suse.cz> + + * combine.c (reversed_comparison): Fix typo in last patch. + Check X for NULL. + (combine_reversed_comparison_code): Make static to follow + prototype declaration. + +2001-01-12 Phil Edwards <pme@sources.redhat.com> + + * install.texi: Remove misplaced duplicate entry. + +2001-01-11 Ulrich Drepper <drepper@redhat.com> + + * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99. + +Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com) + + * final.c: (leaf_function_p): Fix typo. + +2001-01-11 Zack Weinberg <zack@wolery.stanford.edu> + + * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten. + Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending + which you have. + (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE. + * configure.in: Set GGC to ggc-page if any of mmap_dev_zero, + mmap_anon, and valloc is available. + * ggc-page.c: Restructure ifdef logic to match new autoconf + spec. Don't throw away the test page in init_ggc. + + * configure, config.in: Regenerate. + +2001-01-12 Michael Hayes <mhayes@redhat.com> + + * loop.h (total_biv_increment): Constify iv_class pointer. + (struct induction): Replace `mem_mode' with `mem' rtx. + * unroll.c (total_biv_increment): Constify iv_class pointer. + * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx. + (find_mem_givs, combine_givs_p): Likewise. + (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New. + +2001-01-10 Thomas Pfaff <tpfaff@gmx.net> + + * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32 + LastError. + (__gthread_getspecific): Ditto. + +Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_comparison_operator, fcmov_comparison_operator, + put_condition_code): Convert fp comparison codes to integer + before handling. + (ix86_expand_fp_compare): Postnote the fp comparison code conversion + to final. + + * i386.c (unsigned_comparison, no_comparison_operator): Kill. + * i386-protos.h (no_comparison_operator): Kill. + + * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion. + + * combine.c (REVERSIBLE_CC_MODE): Remove. + (reversible_comparison_p): Remove. + (combine_reversed_comparison_code): New. + (reversed_comparison): New. + (combine_simplify_rtx): Use + combine_reversed_comparison_code/reversed_comparison instead + of reversible_comparison_p. + (simplify_if_then_else): Likewise. + (simplify_set): Likewise. + (simplify_logical): Likewise. + (if_then_else_cond): Likewise. + (known_cond): Likewise. + (simplify_comparison): Likewise. + +2001-01-11 Alan Lehotsky <lehotsky@tiac.net> + + * builtins.c (std_expand_builtin_va_start): Handle varargs when + sizeof (int) is larger than sizeof(__word__). + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (do_includes): Fix typo. + +2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading + in S_REGS does not occur because not all sources are possible + when a S_REGS is a destination (sometimes needs a clobber). + (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise. + (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise. + (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise. + (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise. + (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise. + (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise. + (lshrdi_const1, lshrsi3_const16): Likewise. + (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise. + (*movhi_68hc12, *movqi_68hc12): Likewise. + (movstrictqi): Make sure reloading in D_REGS as a destination + does not happen. + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_start_read): If -fpreprocessed, ignore + -D, -U and -A, and don't initialize the builtins. + (do_includes): Error if -include or -imacros with -fpreprocessed. + * cppmain.c (cb_define, cb_undef): Unconditionally process + the callback. + * tradcpp.c (main): Fix typo. + +2000-01-11 Mark Elbrecht <snowball3@bigfoot.com> + + * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include) + (read_name_map): Use IS_ABSOLUTE_PATH. + * tradcpp.c (get_filename): Likewise. + +2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers. + (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise. + (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise. + (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise. + (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise. + (cmphi_z_used): Don't use '@' for the output. + (tstqi_z_used): Likewise. + (cmpqi_z_used): Likewise. + (one_cmplsi2): Likewise. + +2001-01-11 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (barrier_align): Recognize branch around far + branch and redundant insn. + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * invoke.texi: Restore documentation of the drivers' switches -MD + and -MMD. + +2001-01-11 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1. + + * Makefile.in (check-gcc//%, check-g++//%, check-g77//%, + check-objc//%): Support parallel testing of multilibs. + (TESTSUITEDIR): Set to testsuite by default, but override for + parallel testing. + (check-gcc, check-g++, check-g77, check-objc): Enter + $(TESTSUITEDIR). + +2001-01-11 Bernd Schmidt <bernds@redhat.com> + + * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO. + * sched-deps.c (deps_may_trap_p): Likewise. + * basic-block.h: Remove a comment. + * flow.c (PROP_POSTRELOAD): Remove. + (update_life_info): Don't add it to prop_flags. + (mark_set_1): Lose the code that was enabled by it. + +2001-01-11 Michael Hayes <mhayes@redhat.com> + + * flow.c (flow_call_edges_add): New. + * basic_block.h (flow_call_edges_add): New. + +2001-01-11 J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (move2add_note_store): Update reg_set_luid even if + base reg remains the same. + +2001-01-10 Nick Clifton <nickc@redhat.com> + + * config/d30v/d30v.c (d30v_init_machine_status): Initialize + machine_function structure to zero. + Add prototypes for machine_status functions. + +2001-01-10 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (CTI_VOID_LIST): Remove. + (void_list_node): Likewise. + * tree.h (TI_VOID_LIST_NODE): New enumeral. + (void_list_node): New macro. + * config/arm/arm.c (arm_init_builtins): Use void_list_node. + * config/i386/i386.c (ix86_init_builtins): Likewise. + * config/ia64a/ia64.c (ia64_init_builtins): Likewise. + +2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o + * cppinit.c (cpp_start_read): Update comment, remove unneeded + if statement. + * tradcpp.c: Include mkdeps.h. + (deps, print_deps_phony_targets, deps_append, output_deps, + init_dependency_output, output_deps): New. + (deps_buffer, deps_allocated_size, deps_size, deps_column, + deps_output): Delete. + (print_deps_missing_files): Rename deps_missing_files. + (inhibit_output): Make global. + (main): Delete inhibit_output, deps_stream, deps_target. + Use mkdeps functionality in the same way as cpplib. Remove + -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of + -M and -MM. Remove old handling of deps via deps_out, and + old reading of environment variables. + (get_filename): Update to use deps_add_dep. + +2001-01-10 Mark Mitchell <mark@codesourcery.com> + + * output.h (make_function_rtl): Remove prototype. + (make_decl_rtl): Likewise. + * varasm.c (make_function_rtl): Remove. + (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather + than from a third parameter. + * tree.h (make_decl_rtl): Remove last parameter. + * c-decl.c (builtin_function): Remove last argument in call to + make_decl_rtl; use make_function_rtl instead of make_decl_rtl. + (start_function): Likewise. + * except.c (call_get_eh_context): Likewise. + * expr.c (emit_block_move): Likewise. + (clear_storage): Likewise. + * profile.c (output_func_start_profiler): Likewise. + * toplev.c (rest_of_decl_compilation): Likewise. + * objc/objc-act.c (create_builtin_decl): Likewise. + (synth_module_prologue): Likewise. + (generate_static_reference): Likewise. + (build_selector_reference_decl): Likewise. + (build_class_reference_decl): Likewise. + (build_objc_string_decl): Likewise. + (build_protocol_reference): Likewise. + +2001-01-10 Richard Henderson <rth@redhat.com> + + * hwint.h: Revert yesterday's change. + +2001-01-10 Nick Clifton <nickc@redhat.com> + + * function.h (save_machine_status): Delete. + (restore_machine_status): Delete. + Amend comment describing {init|mark|free}_machine_status. + + * function.c (save_machine_status): Delete. + (restore_machine_status): Delete. + Amend comment describing {init|mark|free}_machine_status. + (push_function_context_to): Remove invocation of + save_machine_status. + (pop_function_context_from): Remove invocation of + restore_machine_status. + + * emit-rtl.c (init_emit_once): Amend comment describing + {init|mark|free}_machine_status. + + * tm.texi (Per-Function Data): New node. Describe the + INIT_EXPANDERS macro and the {init|mark|free}_machine_status + function pointers. + +2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (OPT_g): Remove. + (cpp_handle_option): Update for removed -g3. + (print_help): Update. + * cpplib.h (struct cpp_options): Remove debug_output. + * cppmain.c (setup_callbacks, cb_define): Update. + * gcc.c (cpp_options): Translate -g3 to -dD. + +2001-01-10 Aldy Hernandez <aldyh@redhat.com> + + * config/i960/i960.md: Change modifier to + on the zero_extract + pattern after the (rotate -2 reg) canonicalization pattern. + +2001-01-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_free_machine_status): New. + (override_options): Install it. + (alpha_mark_machine_status): Verify machine non-null. + * config/i386/i386.c (ix86_free_machine_status): New. + (override_options): Install it. + (ix86_init_machine_status): Use xcalloc. + (ix86_mark_machine_status): Verify machine non-null. + * config/ia64/ia64.c (ia64_free_machine_status): New. + (ia64_override_options): Install it. + (ia64_mark_machine_status): Verify machine non-null. + +Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com) + + * function.c (instantiate_virtual_regs): Instantiate virtual + registers found in CALL_INSN_FUNCTION_USAGE. + +2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as + equivalent to -ansi in disabling -Di386. + +Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes): + new functions. + (ix86_expand_fp_compare): Make trivial use of new infrastructure. + +2001-01-10 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_init_builtins): Temporarily disable xscale builtins. + +2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Document that -fcond-mismatch isn't supported for + C++. + +2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi: Define macro gcctabopt. + * invoke.texi: Add manpage sections BUGS and AUTHOR. Use + @command, @env and @option in some places where appropriate. Use + @gcctabopt where appropriate. Put URLs and email addresses inside + @w. + +2001-01-10 Nathan Sidwell <nathan@codesourcery.com> + + * gcc.c (cpp_options): Set MD file name from output + filename, if specified. + (suffix_subst): New static variable. + (do_spec): Clear it. + (do_spec_1, case '.'): Handle new `%.suffix' spec. + Clear it. + (give_switch): Handle suffix_subst. + +2001-01-10 Phil Edwards <pme@sources.redhat.com> + + * invoke.texi: Fix another typo. + +2001-01-10 Phil Edwards <pme@sources.redhat.com> + + * invoke.texi: Fix typo. + +2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (lang_hooks): Update. + (lang_decode_option): Remove. + (lang_init_options): Rename c_init_options. + * toplev.c (main): Use lang_hooks for lang_init_options + and lang_decode_option. + * toplev.h (lang_hooks): Add 2 new hooks. + * tree.h: Remove lang_init_options and lang_decode_option. + * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option. + * cp/decl2.c: Similarly. + * cp/lex.c (lang_init_options): Rename cxx_init_options. + (lang_hooks): Update. + * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish + for consistency. + (lang_init_options): Rename ffe_init_options. + (lang_hooks): Update. + (lang_decode_option): Remove. + * java/lang.c (lang_init_options): Rename java_init_options. + (lang_decode_option): Rename java_decode_option. + (lang_hooks): Update. + * objc/objc-act.c (lang_init_options): Rename objc_init_options. + (lang_decode_option): Rename objc_decode_option. + (lang_hooks): Update. + +2001-01-09 Nick Clifton <nickc@redhat.com> + + * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete. + (d30v_return_addr_rtx): Delete. + (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the + cfun->machine structure. + (struct machine_function): Move to d30v.h + (d30v_save_machine_status): Delete. + (d30v_restore_machine_status): Delete. + (d30v_init_machine_status): New Function. + (d30v_mark_machine_status): New Function. + (d30v_free_machine_status): New Function. + (d30v_init_expanders): Use new functions. + (d30v_return_addr): Use ra_rtx field in cfun->machine. + (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and + d30v_return_addr_rtx. + + * config/d30v/d30v.h (struct_machine): Move here. + Add eh_epilogue_sp_ofs field. + + *config/d30v/d30v.md (epilogue): Initialize eh_epilogue_sp_ofs + field in cfun->machine structure. + +Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code, + PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register. + * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. + +Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com) + + * objc/lang-options.h: Remove bogus reference to + Java trademark. + +2001-01-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to + return the result. + +2001-01-09 Alan Lehotsky <lehotsky@tiac.net> + + * reload.c (find_reloads_address): Check for eliminable registers + when substituting a constant expression for a pseudo. + +2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (enum format_type): Add format_type_error. + (decode_format_type): New function. + (decl_attributes): Use it. + (format_kind_info): Adjust comment. + +2001-01-09 David O'Brien <obrien@BSDi.com> + + * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1, + i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific + files in tm_file. + * config/i386/gnu.h: Don't include required platform specific .h files, + tm.h will do it instead. + * config/i386/i386elf.h: Likewise. + * config/i386/linux.h: Likewise. + * config/i386/moss.h: Likewise. + * config/mips/gnu.h: Likewise. + +2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h. + (rs6000-ibm-aix3.[01]*): Likewise. + (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise. + (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise. + (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise. + (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise. + (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h. + (powerpc-*-eabiaix*): Likewise. + (powerpc-*-eabisim*): Likewise. + (powerpc-*-elf*): Likewise. + (powerpc-*-eabi*): Likewise. + (powerpc-*-rtems*): Likewise. + (powerpc-*-linux*libc1): Likewise. + (powerpc-*-linux*): Likewise. + (powerpc-wrs-vxworks*): Likewise. + (powerpcle-wrs-vxworks*): Likewise. + (powerpcle-*-sysv*): Likewise. + (powerpcle-*-elf*): Likewise. + (powerpcle-*-eabisim*): Likewise. + (powerpcle-*-eabi*): Likewise. + (powerpcle-*-solaris2*): Likewise. + * config/rs6000/aix31.h: Delete includes. + * config/rs6000/aix3newas.h: Likewise. + * config/rs6000/aix41.h: Likewise. + * config/rs6000/aix43.h: Likewise. + * config/rs6000/beos.h: Likewise. + * config/rs6000/rtems.h: Likewise. + * config/rs6000/sysv4.h: Likewise. + +2001-01-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu. + Change an argument mode of machine_mode to shift_mode of + shift_mode. Remove an extra error check. + (emit_a_shift): Adopt to the new calling prototype of + get_shift_alg. + (function_prologue): Fix code for a monitor + function. Support H8S. + (function_epilogue): Do not output pop for a monitor function. + +2001-01-09 Nick Clifton <nickc@redhat.com> + + * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete. + (setup_incoming_varargs): Use sysv_varargs_p field of the + cfun->machine structure. + (struct machine_function): Move to rs6000.h + (rs6000_save_machine_status): Delete. + (rs6000_restore_machine_status): Delete. + (rs6000_init_machine_status): New Function. + (rs6000_free_machine_status): New Function. + (rs6000_init_expanders): Use new functions. + + * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete + export. + (struct machine_function): Move here. + + * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use + sysv_varargs_p field of the cfun->machine structure. + + * config/rs6000/rs6000-protos.h (rs6000_save_machine_status): + Remove prototype. + (rs6000_restore_machine_status): Remove prototype. + +2001-01-09 Richard Henderson <rth@redhat.com> + + * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge + reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg. + * sched-deps.c (sched_analyze_1): Update uses of struct deps. + (sched_analyze_2, sched_analyze_insn): Likewise. + (sched_analyze, init_deps): Likewise. + (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET. + * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument. + (compute_block_backward_dependences): Update propagate_deps call. + +2001-01-09 Mark Elbrecht <snowball3@bigfoot.com> + + * gcc.c (process_command): Set switches[n_switches].ordering to 0. + +2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (OPT_MD, OPT_MMD): Restore. + (cpp_handle_option): Handle them. + (cpp_post_options): Ensure one of -M or -MM is specified with + any other -M? option. + (init_dependency_output): Suppress output with -MG. + +2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update. + * invoke.texi: Update. + +2001-01-09 Bernd Schmidt <bernds@redhat.com> + + * sh.md (reload_outsf): Generate recognizable patterns for + TARGET_SH3E. + +2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (lang_hooks): Update. + (lang_init): Rename c_init. + (lang_finish): Remove. + * toplev.c (compile_file): Use lang_hooks for lang_init () + and lang_finish (). + * toplev.h (lang_hooks): Add init () and finish (). + * tree.h (lang_init, lang_finish): Remove. + * cp/tree.h (lang_init, lang_finish): Remove. + * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c. + * cp/lex.c (cxx_init, cxx_finish, cxx_post_options, + lang_hooks): New. + (lang_init, lang_finish): Remove. + * f/com.c (lang_init, lang_finish): Rename f_init, f_finish. + (lang_hooks): Update. + * java/lang.c (lang_init): Rename java_init. + (lang_finish): Remove. + (lang_hooks): Update. + * objc/objc-act.c (lang_init): Rename objc_init. + (lang_finish): Remove. + (lang_hoooks): Update. + +20001-01-09 Graham Stott <grahams@redhat.com> + + * cppfiles.c (_cpp_execute_include): Move `len` initialisation + after `ptr` is initialized. + +2001-01-09 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3. + (INITIALIZE_TRAMPOLINE): Adjust accordingly. + * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for + stack adjusts, instead of r3. + +2001-01-09 Michael Hayes <mhayes@redhat.com> + + * flow.c (flow_loop_scan): Break out of ... + (flow_loops_find) ... here. + * basic-block.h (flow_loop_scan): New. + (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add. + (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine. + +2001-01-09 Alexandre Oliva <aoliva@redhat.com> + + * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero + macro_buffer_len. + * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when + realloc()ing macro_buffer. + + * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long + if it's wider than long and the target's long is wider than the + host's. + +2001-01-09 Mark Mitchell <mark@codesourcery.com> + + Remove support for using UWIN as a host machine. + * configure.in: Issue an error message. + * configure: Regenerated. + * config.gcc: Remove xm_* UWIN configury. + * config/i386/xm-uwin.h: Remove. + +2001-01-08 Nick Clifton <nickc@redhat.com> + + * config/v850/v850.c (ra_rtx): Delete. + (v850_save_machine_status): Delete. + (v850_restore_machine_status): Delete. + (v850_init_machine_status): New function. + (v850_mark_machine_status): New function. + (v850_free_machine_status): New function. + (v850_return_addr): Use ra_rtx field in machine structure. + (v850_init_expanders): Use new functions. + + * config/v850/v850-protos.h: Fix prototypes for v850_output_* + * config/v850/v850.c: Change arguments to v850_output+* functions + to take a const char *, to avoid compile time warning. + * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed. + (USER_LABEL_PREFIX): Redefine. + +2000-01-08 Jim Wilson <wilson@redhat.com> + + * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast + 1 to unsigned HOST_WIDE_INT before left shift. + +2001-01-08 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (arm_mark_machine_status): Check to see if + the machine structure has been allocated. + (arm_free_machine_status): New function: Free the machine + specific function structure. + +2001-01-08 Richard Henderson <rth@redhat.com> + + * jump.c (simplejump_p): Revert last change. + +2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (init): Rename init_library. + (cpp_create_reader): Update. + * gcc.c (cpp_options): If -o given, use it as the target of + any -M options. + +2001-01-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_arch5e): New variable. + (all_cores): XScale is a 5TE device. + (arm_override_options): Set arm_arch5e. + (arm_init_builtins): __builtin_prefetch is in arch5e. + * arm.h (arm_arch5e): Declare it. + + * arm.h (PREDICATE_CODES): Add arm_hard_register_operand. + + * arm.md (define_constants): Add defines for UNSPEC and + UNSPEC_VOLATILE insns. Update all users. + (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM. + * arm.c (multi_register_push, note_invalid_constants) + (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants. + * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines. + (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM. + +Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (jump_optimize_1): Use reversed_comparison_code + instead of can_reverse_comparison_p. + (jump_back_p): Likewise. + (invert_exp_1): Likewise. + (thread_jumps): Likewise. + * simplify-rtx.c (simplify_unary_operation): Likewise. + (simplify_ternary_operation): Likewise. + * cse.c (find_comparison_args): Convert to use + can_reverse_comparison_p. + (record_jump_equiv): Likewise. + +2001-01-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (HARD_REGNO_RENAME_OK): Delete. + (EPILOGUE_USES): Define. + (INITIAL_ELIMINATION_OFFSET): Current prologue code does not + automatically stack the LR if it isn't live. + +Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions + properly. + +Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com> + + * ggc-page.c (max_alignment): New structure. + (MAX_ALIGNMENT): New macro. + (init_ggc): Use it to round up the sizes in the + extra_order_size_table. + +2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register + after reload. + +2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.def (BUILT_IN_FPRINTF): New entry. + + * c-common.c (c_expand_builtin_fprintf): New function. + (init_function_format_info): Handle __builtin_fprintf. + (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf. + (c_expand_builtin): Handle BUILT_IN_FPRINTF. + + * c-decl.c (duplicate_decls): Adjust comment. + + * extend.texi (fprintf): Document new builtin. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * jump.c (simplejump_p): Recognize any single_set jump + of the proper form. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * configure.in (slibdir): Accept an --with-slibdir option. + Use "test" not "[" in configure. Default to $(libdir). + + * config/t-linux (SHLIB_INSTALL): Double quote slibdir; + fix typo in rm -f. + * config/t-aix43 (SHLIB_INSTALL): Likewise. + * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise. + (SHLIB_LINK): Create links for the soname. + * config/mips/t-iris6: Likewise. + * config/sparc/t-slibgcc: Likewise. + * config/sparc/t-slibgcc-sld: Likewise. + +2001-01-07 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (constant_call_address_operand): Accept + (const (plus (symbol_ref) (const_int))). + * config/i386/i386.h (PREDICATE_CODES): Add CONST for + constant_call_address_operand. + +2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1 + and LONG_LONG_TYPE_SIZE > 32. + +2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * jump.c (reversed_comparison_code_parts): Fix typo introduced by + the previous change. + +Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (reversed_comparison_code_parts, reversed_comparison_code): + New. + (can_reverse_comparison_p): Rewrite to use reversed_comparison_code. + (reverse_condition_maybe_unordered): Abort on unsigned comparisons. + * rtl.h (reversed_comparison_code_parts, reversed_comparison_code): + Declare. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * fix-header.c (read_scan_file): s/pfile/scan_in/. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (c_post_options): Call cpp_post_options. + * objc/objc-act.c (objc_post_options): Similarly. + * cppmain.c (main): Similarly. + * fix-header.c (read_scan_file): Similarly. + * cppinit.c (cpp_start_read): Move option consistency checks + to cpp_post_options. Don't call init_dependency_output. + If needed, add default target and main file dependency. + (OPT_MD, OPT_MMD): Remove. + (OPT_MF): New. + (cpp_handle_option): Update for OPT_* changes. + (cpp_post_options): New. + (init_dependency_output): Command line -MF overrides environment + variables. Don't set default target etc. Suppress output + if dependencies are going to stdout. + (print_help): Update. + * cpplib.h (cpp_post_options): New. + * gcc.c (cpp_options): Update for -MD, -MMD, -MF. + +Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (comparison_dominates_p): Support unordered compares. + +Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_relational_operation): Always simplify + ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE + and UNGE. + +Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Recognize the unordered compares. + (nonzero_bits): Likewise. + (simplify_comparison): Likewise. + (num_sign_bit_copies): Likewise; return more sane value depending + on STORE_FLAG_VALUE. + (known_cond): Do not assume EQ to be always true for equivalent + operands. + +Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (fold_rtx): Handle unordered comparisons. + +Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (set_of_1): New static function. + (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag, + reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno, + reg_set_last_last_regno): Remove. + (set_of): New global function. + (set_of_data): New structure. + (reg_set_p, reg_set_last): Revamp for set_of. + * rtl.h (set_of): New. + +2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin. + * extend.texi: Document _Exit builtin. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * (initialize, initialize_builtins, + initialize_dependency_output, initialize_standard_includes): + Rename s/initialize/init. Update. + (init_dependency_output): Move to after + cpp_handle_options, the correct location temporally at least. + (opt_comp): Move next to init (), its caller. Fix prototype. + (init): Make "initialized" local scope. + (cpp_create_reader): Always call init (). + (cpp_start_read): Update. + (output_deps): New function, broken out of cpp_finish. + (cpp_finish): Break out output_deps. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * collect2.c (COFF specific stuff): Revert 12-06 patch + to prototype system functions. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * hard-reg-set.h: Add multiple include guard. + * basic-block.h (struct loop): Add `sink' field. + * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h. + (emit_iv_add_mult): Delete. + (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define. + (loop_iv_add_mult_emit_before, loop_insn_sink): Define. + (unroll_loop): Remove end_insert_before argument. + * loop.c (loop_givs_rescan): Remove end_insert_before argument. + (maybe_eliminate_biv_1): Likewise. + (emit_iv_add_mult): Delete. + (gen_add_mult, loop_regs_update): New. + (loop_insn_emit_after, loop_insn_emit_before): New. + (loop_insn_sink, loop_insn_sink_or_swim): New. + (emit_iv_add_mult): Delete. + (scan_loop): Set loop->sink. + (loop_givs_reduce): Use loop_insn_sink and its ilk. + (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise. + (maybe_eliminate_biv_1): Likewise. + (maybe_eliminate_biv_1): Add basic block argument. + * unroll.c (unroll_loop): Remove end_insert_before argument. + (find_splittable_regs): Likewise. + (find_splittable_regs): Use loop_insn_sink and its ilk. + (find_splittable_givs, final_biv_value, final_giv_value): Likewise. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.h (loop_insn_hoist): New prototype. + * loop.c (loop_insn_hoist, loop_insn_emit_before): New. + (move_movables, loop_givs_rescan): Use loop_insn_hoist. + (check_dbra_loop, load_mems): Likewise. + * unroll.c (unroll_loop, find_splittable_regs): Likewise. + (find_splittable_givs): Likewise. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.c (emit_iv_add_mult): Use single_set to examine new insn. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and + NO_SHARED_LIBGCC_MULTILIB as required for the target. + * gcc.c (init_spec): Massage the existing libgcc_spec into a + variant that handles a shared libgcc. + (process_command): Always validate -{static,shared}-libgcc. + (do_spec_1): New 'M' case. + * invoke.text (Link Options): Document -{static,shared}-libgcc. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * Makefile.in (slibdir): New variable. + (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc. + (installdirs): Create slibdir. + (install-libgcc, install-multilib): Defer to libgcc.mk. + * configure.in (slibdir): Substitute. + * mklibgcc.in (install): New target. + + * config/t-linux (SHLIB_LINK): Create links for the soname. + (SHLIB_INSTALL): New. + * config/alpha/t-osf4 (SHLIB_INSTALL): New. + * config/mips/t-iris6 (SHLIB_INSTALL): New. + * config/rs6000/t-aix43 (SHLIB_INSTALL): New. + * config/sparc/t-slibgcc (SHLIB_INSTALL): New. + * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New. + * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove. + * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.c (count_loop_regs_set): Delete. + (load_mems_and_recount_loop_regs_set): Delete. + (loop_regs_scan): Merge common code from count_loop_regs_set, + scan_loop, and load_mems_and_recount_loop_regs_set. + (scan_loop): Call load_mems directly and loop_regs_scan + again if new registers created. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c (main): Call the front-end specific post_options + hook if one is given. + * toplev.h (struct_lang_hooks, lang_hooks): New. + * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks + for the C front end. + * cp/decl2.c (cxx_post_options, lang_hooks): Implement + lang_hooks for the C++ front end. + * objc/objc-act.c (objc_post_options, lang_hooks): Implement + lang_hooks for the ObjC front end. + * f/com.c (lang_hooks): Hooks for the Fortran front end. + * java/lang.c (lang_hooks): Hooks for the Java front end. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (init_c_lex): Request #define / #undef callbacks + for verbose DWARF[2] debugging. + (cb_define, cb_undef): The new callbacks. + * toplev.h (debug_define, debug_undef): Make const correct. + * toplev.c (debug_define, debug_undef): Similarly. Do not + perform the verbosity tests here anymore. + +2001-01-07 Alexandre Oliva <aoliva@redhat.com> + + * reload.c (subst_reloads): Take INSN argument. When + replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note. + * reload.h (subst_reloads): Adjust prototype. + * reload1.c (reload_as_needed): Pass INSN to subst_reloads. + * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes + present in JUMP_INSNs and copy them to JUMP_LABEL. + * flow.c (find_label_refs, find_basic_blocks_1): Skip + JUMP_INSNs and insns with REG_LABELs that are followed by + JUMP_INSNs with the same REG_LABEL. + * sched-rgn.c (is_cfg_nonregular): Likewise. + * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL + note is available. + * unroll.c (unroll_loop): Look for REG_LABEL notes in + JUMP_INSNs too. + * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs. + +2001-01-06 Richard Henderson <rth@redhat.com> + + * loop.c (scan_loop): Use xcalloc for the regs array. + (load_mems_and_recount_loop_regs_set): Zero the new memory + received from xrealloc. + +2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * mkdeps.c (deps_add_dep): Fix vector re-allocation. + +Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com> + + * integrate.c (copy_rtx_and_substitute): When copying + an ignored return value, strip REG_FUNCTION_VALUE_P. + +2001-01-06 Michael Hayes <mhayes@redhat.com> + + * loop.c (debug_biv, debug_giv): New. + (loop_biv_dump): Break out from ... + (record_biv): ... here. + (loop_giv_dump): Break out from ... + (record_giv): ... here. + (loop_bivs_check): Use print_simple_rtl. + * unroll.c (loop_iterations): Use print_simple_rtl. + +2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (return, return_internal): Modify patterns to prevent regrename + mucking with the return pointer. + +2001-01-05 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change. + +Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com> + + * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster + version supplied by Matteo Frigo. + +2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for -MQ. + * cppinit.c (cpp_create_reader): Always create pfile->deps. + (cpp_cleanup): Always free pfile->deps. + (initialize_dependency_output): Don't create pfile->deps. + (cpp_handle_option): Similarly. + (OPT_MQ): New. + * gcc.c (cpp_options): Handle -MQ. + (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. + * mkdeps.c (base_name): Remove. + (deps_init): Don't allocate vector space until it's needed. + (deps_free): Only free vectors if allocated. + (deps_add_target, deps_add_dep): Update for initial allocation. + (deps_add_default_target): Don't strip to the base_name. + +2001-01-05 DJ Delorie <dj@redhat.com> + + * config/v850/v850.h (RETURN_ADDR_RTX): Define. + (INIT_EXPANDERS): Define. + + * config/v850/v850.c (struct machine_function): Define. + (v850_save_machine_status): New function. + (v850_restore_machine_status): New function. + (v850_return_addr): New function. + (v850_init_expanders): New function. + + * config/v850/v850-protos.h: Add prototypes for v850_return_addr + and v850_init_expanders. + +2001-01-05 Zack Weinberg <zack@wolery.stanford.edu> + + * cpplib.h (struct cpp_reader): Add help_only field. + * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version. + (cpp_handle_option): Set pfile->help_only if we see -h, + --help, -target-help, or --version. Print version string but + do not set help_only if we see -v or -version. Make text + printed by -v match that printed by (-)-version. + + * cppmain.c (main): Exit after option parsing if + pfile->help_only is true. + + * toplev.c (independent_decode_option): Call print_version, + then exit, if we see --version (but not -version). + (print_version): Split lengthy message into two lines. + +2001-01-05 Nick Clifton <nickc@redhat.com> + + * config/v850/v850.c (v850_encode_data_area): Use alloca to create + temporary string for initialisation before calling ggc_alloc_string. + +2001-01-06 Michael Hayes <mhayes@redhat.com> + + * rtl.h (print_simple_rtl): New. + * print-rtl.c (print_simple_rtl): New. + (flag_simple): New. + (print_rtx): Disable printing of flags and modes, etc., + if `flag_simple` nonzero. + +2001-01-05 Zack Weinberg <zack@wolery.stanford.edu> + + * function.c (fixup_var_refs): Use push_to_full_sequence where + possible. + +2001-01-05 Michael Meissner <meissner@redhat.com> + + * flags.h (flag_reorder_blocks): Add declaration. + (flag_rename_block): Ditto. + +2001-01-05 DJ Delorie <dj@redhat.com> + + * function.c (reorder_blocks): Make sure the flags are all reset + before using them to mark blocks, else a second invocation will + corrupt the block chain. + (reorder_blocks_0): New, resets the flags. + +Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com> + + * cse.c (find_comparison_args): Stop if the argument is known to + be constant. + +2001-01-05 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movdf): When splitting load into pair of + registers, don't clobber the register used in the address too + early. + +2001-01-05 Jeffrey Oldham <oldham@codesourcery.com> + + * varasm.c (mark_constant_pool): Improve initial comments. + (mark_constants): Move marking of constants to mark_constant. + (mark_constant): New function to recursively mark all constants + referred to by a constant. + +2001-01-05 Catherine Moore <clm@redhat.com> + + * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG. + +2001-01-05 Phil Edwards <pme@sources.redhat.com> + + * cp/lang-options.h: Bring comment in line with reality. + * f/lang-options.h: Likewise. + * java/lang-options.h: Likewise. + * objc/lang-options.h: Likewise. + * ch/lang-options.h: Likewise. + * f/g77.texi: And update the manual. + +2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl> + Denis Chertykov <denisc@overta.ru> + + * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype. + * config/avr/avr.c (avr_peep2_scratch_safe): New function. + * config/avr/avr.md (all peepholes that request a scratch register): + Call it, FAIL the peephole if not safe (in interrupt functions). + +2001-01-05 Mark Mitchell <mark@codesourcery.com> + + * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now. + +2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG): + Define. + * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ, + BUILT_IN_CREAL and BUILT_IN_CIMAG. + * c-common.c (c_common_nodes_and_builtins): Create builtin conjf, + conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl. + (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and + BUILT_IN_CIMAG. + * extend.texi: Document these builtins. + +2001-01-05 Daniel Berlin <dberlin@redhat.com> + + * c-common.c (lang_get_alias_set): Say we know nothing of + VECTOR_TYPE aliasing. + + * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly. + +2001-01-05 Bruce Korb <bkorb@gnu.org> + + * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to + their x* equivalent versions for atexit-less systems + * fixinc/fixincl.c(main): do not return from main() on atexit-less + systems (or any other system any more). + +2001-01-05 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (ldmsi_postinc): Avoid use of match_dup between input and + output operands. Use arm_hard_register_operand for operand 4. + (stmsi_postinc): Similarly. + (ldmsi): Use arm_hard_register_operand for opernand 2. + (stmsi): Similarly. + * arm.c (arm_hard_register_operand): New function. + * arm-protos.h (arm_hard_register_operand): Prototype it. + + * arm.h (HARD_REGNO_RENAME_OK): Define. + +Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (cfc_args): add "unordered" field. + (check_fold_consts): Set unordered field. + (simplify_relational_operation): Simplify the unordered + comparisons. + + * reg-stack.c (swap_rtx_condition): Ensure that the transformation + is valid. + + * emit-rtl.c (try_split): Fix code to mark labels. + * jump.c (mark_jump_label): Make global. + * rtl.h (mark_jump_label): Declare. + + * predict.c (estimate_probability): Handle unordred comparisons. + +2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for -MP. Clarify behavior of -MT. + * cppinit.c (initialize_dependency_output): Update. + (cpp_finish): Output dummy targets for -MP. + (OPT_MP): New. + (cpp_handle_option): Handle -MP. Don't quote -MT options. + * cpplib.h (struct cpp_options): Add deps_phony_targets. + * gcc.c (cpp_options): Update to handle -MP. + * mkdeps.c (deps_add_target, deps_add_default_target): Update + to quote only the default target. + (deps_phony_targets): Insert a preceding newline. Rename from + deps_dummy_targets for consistency. + * mkdeps.h: Update + +2001-01-05 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_library_call_value_1): Support + INIT_CUMULATIVE_LIBCALL_ARGS. + * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it. + +2001-01-04 Richard Henderson <rth@redhat.com> + + * c-decl.c (finish_struct): Detect flexible array members + used in an inappropriate context. + * c-typeck.c (really_start_incremental_init): Special case + constructor_max_index for zero length arrays. + (pop_init_level): Allow initialization of flexible array + members. Deprecate initialization of zero length arrays. + Don't issue missing initializer warning for flexible array + members or zero length arrays. + (process_init_element): Don't dereference null DECL_SIZE. + * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT. + Don't abort for empty constructors. Use size_binop + (output_constructor): Add commentary regarding zero length + array futures. Abort if we try to initialize an array of + unspecified length with a non-empty constructor in the middle + of a structure. + + * extend.texi (Zero Length): Update and clarify documentation + on static initialization. + +2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR + with more than 32767 words of local storage. + +2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support + for 'abs', 'labs', and 'fabs'. + (c4x_expand_builtin): Likewise. + * config/c4x/c4x.h (enum c4x_builtins): Likewise. + +2001-01-05 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (prget, prset): New insn types. + (return delay slot): Don't allow prset. + (call, sfunc delay slot): Don't allow prget. + (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives + for prset and prget. + +2001-01-05 Michael Hayes <mhayes@redhat.com> + + * loop.h (struct loop_reg): New. + (struct loop_regs): Change to use array of `struct loop_reg'. + * loop.c: Replace assortment of varrays with single regs array. + (count_one_set): Delete may_not_move array argument + and use regs array instead. All caller's changed. + (count_loop_regs_set): Delete may_not_move and single_usage + arguments and use regs array instead. All caller's changed. + (find_single_use_in_loop): Replace usage array argument with pointer + to regs structure. All caller's changed. + (loop_optimize): Delete `moved_once' array. + +2001-01-05 Michael Hayes <mhayes@redhat.com> + + * loop.c (prescan_loop): Set loop_info->has_nonconst_call. + Use it instead of loop_info->has_call for scanning loop mems. + (check_dbra_loop): Replace loop_info->has_call test with + loop_info->has_nonconst_call. + +2000-01-04 Matthew Hiller <hiller@redhat.com> + + * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used + for TARGET_SH3E. + +2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST, + use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND. + +2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define. + (flag_short_double, flag_short_wchar): Define. + (c_common_nodes_and_builtins): Create many tree nodes shared + between C and C++ here instead of in cp/decl.c and ... + * c-decl.c (init_decl_processing): ... here. + (SIZE_TYPE, WCHAR_TYPE): Don't define. + (flag_short_double, flag_short_wchar): Don't define. + (record_builtin_type): New function. + (build_void_list_node): New function. + * c-common.h (flag_short_double, flag_short_wchar, + record_builtin_type, build_void_list_node): Declare. + +Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com> + + * integrate.c (expand_inline_function): Don't put a virtual + register into the reg map. + + * function.c (fixup_var_refs_1): If force_operand didn't put + the address into the target, move it there. + +2001-01-04 Mark Mitchell <mark@codesourcery.com> + + Special-case tree_decl/tree_list allocations. + * ggc-page.c (OBJECT_PER_PAGE): Reimplement. + (OBJECT_SIZE): New macro. + (NUM_EXTRA_ORDER): Likewise. + (extra_order_size_table): New variable. + (NUM_ORDERS): New macro. + (objects_per_page_table): New variable. + (object_size_table): New variable. + (G.pages): Use NUM_ORDERS to bound the array. + (G.page_tails): Likewise. + (DIV_ROUND_UP): Remove. + (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP. + (alloc_page): Use OBJECT_SIZE. + (size_lookup): Don't make it const. + (ggc_alloc): Use OBJECT_SIZE. + (ggc_set_mark): Likewise. + (ggc_get_size): Likewise. + (init_ggc): Set up the object_size_table, objects_per_page_table, + and adjust size_lookup. + (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP. + (ggc_pop_context): Use NUM_ORDERS. + (clear_marks): Likewise. + (sweep_pages): Likewise. + (poison_pages): Likewise. + (ggc_print_statistics): Use OBJECT_SIZE. + +Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes. + Only call array_size_for_constructor if last field and array type + with no upper bound. + +2001-01-04 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (arm_gen_constant): Prefer to emit constants + from bit 31 downwards, if this requires no more insns. + (count_insns_for_constant): New helper function for above. + +2001-01-04 Alexandre Oliva <aoliva@redhat.com> + + * gencodes.c (output_predicate_decls): Remove empty initializer. + +2001-01-04 Mark Mitchell <mark@codesourcery.com> + + * tree.c (copy_node): Remove documentation about obstacks. + (buidl1): Check that nobody tries to build 2-argument nodes this + way. + +2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and + fp_high_losum_p. + + * gencodes.c (output_predicate_decls): Fill empty initializer + braces. + +2001-01-04 Jakub Jelinek <jakub@redhat.com> + + * tradcpp.c (deps_file, print_deps_missing_files): New variables. + (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M + or -MM. + (do_include): Handle missing headers like cpp0. + * cppfiles.c (_cpp_execute_include): Don't prefix absolute header + paths with first include pathname. Don't strcat to uninitialized + string. + +2001-01-04 Bernd Schmidt <bernds@redhat.com> + + * regrename.c (regrename_optimize): Don't rename from frame pointer + if frame_pointer_needed. + (do_replace): Don't set ORIGINAL_REGNO to a hard register number. + * config/ia64/ia64.c (emit_all_group_insn_barriers): New function. + (ia64_reorg): Use it instead of scheduling if ! optimize. + (errata_emit_nops): Properly call asm_noperands. + (ia64_sched_reorder): Finish cycle if we see an asm. + (ia64_variable_issue): Clear scheduling state after asms. + +2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for -MT. + * cppinit.c (initialize_dependency_output): Add a default + target if none has been given already. + (no_tgt, OPT_MT): New. + (cpp_handle_option): Handle -MT. Update -M etc. + * cpplib.h (struct cpp_options): Remove deps_target. + * gcc.c (cpp_options): Handle -MT. + * mkdeps.c (struct deps): Move from mkdeps.h. + (deps_calc_target): Rename deps_add_default_target. Add a + default target if none has been specified already. + * mkdeps.h (struct deps): Move to mkdeps.c. + (deps_calc_target): Rename deps_add_default_target. + +2000-01-03 Richard Henderson <rth@redhat.com> + + * c-decl.c (grokdeclarator): Give zero-length arrays size zero. + Remove dead code. + * c-typeck.c (push_init_level): Move checks for flexible array + members and zero length arrays ... + (pop_init_level): ... here. Silently discard empty initializations. + Remove dead code. + * varasm.c (output_constructor): Update for sizeof change to + zero-length arrays. + + * extend.texi (Zero Length): Clarify semantics. + +2001-01-03 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (tm.h): Include isns-codes.h last. + * configure: Rebuilt. + +2001-01-03 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (addvsi3, addvdi3): New. + (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New. + +2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * tradcpp.c (main): Make sure finclude() is called with a valid + indepth value while handling -include. + +2001-01-03 Alexandre Oliva <aoliva@redhat.com> + + * gencodes.c (output_predicate_decls): New function. + (main): Call it. + * machmode.h (GET_MODE_MASK): Arrange for it to be defined + even if it is not the first time machmode.h is #included. + * config/sh/sh.c (fpul_operand): Declare MODE argument. + * tm.texi (PREDICATE_CODES): Document predicate declarations. + * gcc.texi (Copyright): Added 2001. + +2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (c_common_lang_init): New function. Warn if format + warning options which only have effects when used with -Wformat + are used without -Wformat. + * c-common.h (c_common_lang_init): Declare. + * c-lang.c (lang_init): Call c_common_lang_init. + * objc/objc-act.c (lang_init): Call c_common_lang_init. + +2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Check for the mktemp command. + * configure: Regenerate. + * gccbug.in: Use a separate temporary file $TEMP0 for one use of + $TEMP. Create temporary files with mktemp, if available at + configure time; otherwise use set -C. Remove temporary files + before exit. + +2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Require at least texinfo 4.0. Check for whether + Pod::Man is sufficiently recent to regenerate GCC manpages. + * configure: Regenerate. + * Makefile.in (TEXI2POD): Call perl explicitly rather than relying + on #!. + (GENERATED_MANPAGES): Define. + (generated-manpages): New target. Depend on cpp.1 as well as + gcov.1. + (install-man): Depend on $(GENERATED_MANPAGES) (defined by + configure to generated-manpages or empty) rather than on the + manpages directly. Remove execute permission from installed + gcov.1 as well as cpp.1. + * cpp.1, gcov.1: Regenerate. + +2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strncmp): Use host_integerp and + tree_low_cst. Allow using cmpstrsi in more cases. + +Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable + sized types. + +Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com> + + * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'. + * Makefile.in (HOST_CFLAGS): Mention build-make. + +Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore + as JUMP_INSN. + +2001-01-01 Bernd Schmidt <bernds@redhat.com> + + * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on + a REG rtx. + + * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All + callers changed. + + * alias.c (throughout): Use ORIGINAL_REGNO when accessing + reg_base_value and reg_known_value arrays. + (init_alias_analysis): Add more cases to detect known values. + * sched-deps.c (deps_may_trap_p): New function. + (sched_analyze_2): Use it. + +2001-01-03 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (simplify_shift_const): Even if we're sign-extracting, + don't discard an ASHIFTRT if we're shifting in a wider mode. + +2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * toplev.c (rest_of_compilation): Don't print basic block information + when CFG isn't up to date. + +2001-01-02 Mark Elbrecht <snowball3@bigfoot.com> + + * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define. + (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define. + (UNALIGNED_SHORT_ASM_OP): Define. + (CPP_PREDEFINES): Remove defines for GO32 and DJGPP. + +2001-01-02 Mark Mitchell <mark@codesourcery.com> + + * fold-const.c (fold_convert): Fix typo. + +2001-01-02 Richard Henderson <rth@redhat.com> + + * c-common.h (ASM_INPUT_P): New. + * c-parse.in (asm): Set it when needed. + * c-semantics.c (genrtl_asm_stmt): Test it instead of the + existence of an operand. + +Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz> + + * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY. + (dwarf2out_frame_debug_expr): Likewise. + (mem_loc_descriptor): Handle PRE and POST_MODIFY. + +Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_split_to_parts): Return number of part required; + handle TFmodes. + (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle + TFmodes. + (ix86_split_long_move): Use number of part returned + by ix86_split_to_parts + * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE): + New macros. + (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double + (LONG_DOUBLE_TYPE_SIZE): Change from constant. + (MAX_LONG_DOUBLE_TYPE_SIZE): New macro. + (INTEL_EXTENDED_IEEE_FORMAT): Likewise. + (ALIGN_MODE_128): Add TFmode. + (IS_STACK_MODE): Likewise. + (HARD_REGNO_NREGS): TFmode needs 3 registers. + (HARD_REGNO_OK): Support TFmodes. + (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes. + * i386.md (scheduler definitions): Use memory operand to determine + fst/fld instructions; use mode attribute to determine real mode of + the instruction. + (*tf): New patterns, expanders and splitters; based on XFmode patterns. + * invoke.texi (128bit-long-double, 96bit-long-double): Document. + +2001-01-02 Mark Mitchell <mark@codesourcery.com> + + * tree.def (TRUTH_NOT_EXPR): Improve documentation. + +Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu. + + * expr.c (store_constructor_field): Update ALIGN before calling + store_constructor. + +2001-01-02 Jeffrey Oldham <oldham@codesourcery.com> + + * config/mips/mips.c (function_arg): Don't pass NULL_TREE to + host_integerp. + +2001-01-02 Jeffrey Oldham <oldham@codesourcery.com> + + * tm.texi (FUNCTION_ARG): Document that @var{type} can be an + incomplete type. + +Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu. + + * c-decl.c (start_function): Don't warn on third parameter to main. + +2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tsystem.h: Define HAVE_DECL_GETOPT. + +2001-01-02 Philip Blundell <pb@futuretv.com> + + * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber + of input operand. + +2001-01-02 Richard Henderson <rth@redhat.com> + + * alpha.md (*ze_and_ne): Duplicate insn condition to split. + +2001-01-02 Andreas Jaeger <aj@suse.de> + + * c-decl.c (c_decode_option): Remove support of + -Wmissing-noreturn. + + * toplev.c (documented_lang_options): Remove -Wmissing-noreturn. + (W_options): Add -Wmissing-noreturn here. + + * flow.c: Define lang_missing_noreturn_ok_p. + (check_function_return_warnings): Use it. + + * c-common.h: Declare lang_missing_noreturn_ok_p. + + * c-lang.c (c_missing_noreturn_ok_p): New function. + (lang_init): Set lang_missing_noreturn_ok_p. + + * invoke.texi (Warning Options): Document this. + +2000-12-27 Phil Edwards <pme@sources.redhat.com> + + * extend.texi (C++ Extensions): New node for C++ attributes; + describe init_priority and com_interface. + * invoke.texi: Remove -finit-priority as it now has zero effect. + * install.texi: Fix xref syntax. + * md.texi: Likewise. + +Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config.gcc (sparc64-wrs-vxworks*): New case. + * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files. + + * config/sparc/sparc.c (sparc_override_options): Do support different + pointer and architecture size. + * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4. + (POINTERS_EXTEND_UNSIGNED): Define. + (Pmode): Test TARGET_ARCH64, not TARGET_PTR64. + (FUNCTION_MODE): Define to be Pmode. + * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI. + + * function.c (expand_function_end): Properly handle DECL_RESULT + and copy when ptr_mode != Pmode. + * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed. + +2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (c_common_nodes_and_builtins): Set prototype + parameters for __builtin_fputs, __builtin_fputc and + __builtin_fwrite. Don't declare plain fputc as a builtin. + +2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * loop.c (add_label_notes): Increment the label usage count when + a note is added to an insn which refers to a CODE_LABEL. + * gcse.c (add_label_notes): Likewise. + +2001-01-01 Andreas Jaeger <aj@suse.de> + + * loop.c (scan_loop): Use xmalloc to allocate movables. + +2001-01-01 Alexandre Oliva <aoliva@redhat.com> + + * tm.texi (REGISTER_MOVE_COST): Add a mode argument. + * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers. + * reload1.c (REGISTER_MOVE_COST): Likewise. + * regclass.c (REGISTER_MOVE_COST): Likewise. + (move_cost, may_move_in_cost, may_move_out_cost): Add mode + dimension. Adjust all users. + (init_reg_sets_1): Iterate on all modes. + * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust. + * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust. + * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust. + * config/arc/arc.h (REGISTER_MOVE_COST): Adjust. + * config/arm/arm.h (REGISTER_MOVE_COST): Adjust. + * config/avr/avr.h (REGISTER_MOVE_COST): Adjust. + * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust. + * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust. + * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust. + * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust. + * config/i386/i386.h (REGISTER_MOVE_COST): Adjust. + * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust. + * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust. + * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust. + * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust. + * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust. + * config/mips/mips.h (REGISTER_MOVE_COST): Adjust. + * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust. + * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust. + * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust. + * config/pa/pa.h (REGISTER_MOVE_COST): Adjust. + * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust. + * config/pj/pj.h (REGISTER_MOVE_COST): Adjust. + * config/romp/romp.h (REGISTER_MOVE_COST): Adjust. + * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust. + * config/sh/sh.h (REGISTER_MOVE_COST): Adjust. + * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust. + +2001-01-01 Bernd Schmidt <bernds@redhat.com> + + * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of + arg VARIES_P. Call it with extra arg. + (true_dependence): Likewise. + * rtl.h (rtx_addr_can_trap_p): Declare. + (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update + prototypes. + * rtlanal.c (rtx_addr_can_trap_p): No longer static. + (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow + pic offset table register if it's zero. All callers changed. + (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed. + +Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (convert_memory_address, case SYMBOL_REF): Copy + STRING_POOL_ADDRESS_P. + + * config/sparc/sparc.c (input_operand): Properly test for short op. + + * config.gcc (sparc-*-elf): Include sparc/sol2.h. + (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h. + (sparclite-*-elf*, sparc86x-*-elf*): Likewise. + * config/sparc/elf.h: No longer include sol2.h. + * config/sparc/lifeelf.h: No longer include sparc/elf.h. + * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise. + + * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64. + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds. + (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise. + (record_initial): Likewise. + * unroll.c (copy_loop_body, loop_iterations): Likewise. + (remap_split_bivs): Likewise. + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.c (loop_ivs_free): New function. + (strength_reduce): Break out from... + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.h (struct iv): New. + (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'. + (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info', + 'reg_biv_class' fields with 'regs' and 'n_regs'. + (struct ivs): Rename 'loop_iv_list' field to 'list'. + * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array. + * unroll.c (loop_iterations): Check array bounds with ivs->n_regs. + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.h (REG_IV_CLASS): New accessor macro. + * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array. + * unroll.c (REG_IV_CLASS): Likewise. |