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* rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name, and use it in ↵Janis Johnson2002-05-081-116/+152
| | | | | | | | | | | | all invocations of these macros. * rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name, and use it in all invocations of these macros. Clean up comments. * rtl.c (rtl_check_failed_flag): Add an argument for the name of the flag access macro whose check failed. * doc/rtl.texi (Flags): Document additional flag uses. From-SVN: r53306
* cfglayout.c (function_tail_eff_head): Rename to ...Jan Hubicka2002-05-081-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cfglayout.c (function_tail_eff_head): Rename to ... (function_footer): ... this one. (unlink_insn_chain): New functions. (label_for_bb): Only call block_label and emit debug message. (record_effective_endpoints): Actually unlink the headers and footers. (fixup_reorder_cahin): Re-insert the unlinked sequences. (cfg_layout_duplicate_bb): Use duplicate_insn_chain. * cfglayout.h (struct reorder_block_def): New fields footer/header; remove eff_head/eff_end. * rtl.h (set_first_insn): Declare. * emit-rtl.c (set_first_insn): New function. * cfglayout.c (fixup_reorder_chain): Dump duplicated (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge, cfg_layout_duplicate_bb): New global function. (duplicate_insn_chain): New static function. * cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge, cfg_layout_duplicate_bb): Declare. (struct reorder_block_def): Add "original" field. * emit-rtl.c (emit_copy_of_insn_after): New function. * rtl.h (emit_copy_of_insn_after): Declare. * cfglayout.c (fixup_fallthru_exit_predecessor): Kill. (fixup_reorder_chain): properly handle edges to exit block. Wed May 8 11:10:31 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> Jan Hubicka <jh@suse.cz> * basic-block.h (note_prediction_to_br_prob): declare. * c-semantics.c: Inlucde predit.h (expand_stmt): predict GOTO_STMT as not taken. * cfgcleanup.c: (delete_unreachable_blocks): Make global. (cleanup_cfg): Do not free tail_recursion_list. * cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION. (flow_delete_block): Kill predictions past end of basic block. * output.h (delete_unreachable_blocks): Declare. * predict.c (predicted_by_p, process_note_predictions, process_note_prediction, last_block_p): New function. (estimate_probability): Bypass loop on PRED_CONTINUE; do not handle noreturn heuristics; kill PRED_RETURN; add PRED_EARLY_RETURN. * predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO, PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New. * predict.h (IS_TAKEN): New constant. * print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION. * rtl.c (NOTE_INSN_PREDICTION): New. * rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS): New macro. (insn_note): add NOTE_INSN_PREDICTION. * sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build CFG; free tail_recursion_label_list. * stmt.c: Include predict.h; (return_prediction): New. (expand_value_return): Use it. * toplev.c: Lower NOTE_INSN_PREDICTION before sibcall. From-SVN: r53285
* rtl.h (struct rtx_def): Update comments.Janis Johnson2002-05-071-59/+171
| | | | | | | | | | | | | | | * rtl.h (struct rtx_def): Update comments. (RTL_FLAG_CHECK[12345678]): New. (rtl_check_failed_flag): Declare. (RTL_FLAG): New. (CLEAR_RTX_FLAGS): New. (flag access macros): Use RTL_FLAG_CHECK macros with list of expected RTL codes. * rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro. (rtl_check_failed_flag): New. * reload1.c (reload): Use REG macro before changing rtx to MEM. (reload_cse_noop_set_p): Check rtx code before using access macro. * config/ia64/ia64.c (process_for_unwind_directive): Check rtx code before using access macro. From-SVN: r53245
* 2002-04-29 Vladimir Makarov <vmakarov@redhat.com>Vladimir Makarov2002-04-291-13/+1
| | | | | | Merging code from dfa-branch: From-SVN: r52915
* rtl.h (RTX_FLAG): New macro.Janis Johnson2002-04-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | * rtl.h (RTX_FLAG): New macro. * emit-rtl.c (copy_most_rtx): Use macros to access rtx flags. * final.c (alter_subreg): Use macro to access rtx flag. * integrate.c (copy_rtx_and_substitute): Use new access macro. * print-rtl.c (print_rtx): Use new access macro. * cse.c (insert): Check rtx code before accessing flag. * genattrtab.c (ATTR_IND_SIMPLIFIED_P, ATTR_CURR_SIMPLIFIED_P, ATTR_PERMANENT_P, ATTR_EQ_ATTR_P): New. (attr_hash_add_string, attr_rtx_1, attr_copy_rtx, check_attr_test, convert_const_symbol_ref, make_canonical, make_alternative_compare, evaluate_eq_attr, attr_rtx_cost, simplify_test_exp_in_temp, simplify_test_exp, optimize_attrs, simplify_by_exploding, find_and_mark_used_attributes, unmark_used_attributes, add_values_to_cover, simplify_with_current_value, simplify_with_current_value_aux, clear_struct_flag, walk_attr_value, copy_rtx_unchanging, main): Use new access macros. From-SVN: r52645
* re PR rtl-optimization/6233 (simple loop miscompilation)Alan Modra2002-04-101-0/+1
| | | | | | | | | | PR optimization/6233 * rtlanal.c (pure_call_p): New function. * rtl.h (pure_call_p): Declare. * loop.c (prescan_loop): Use it to set has_nonconst_call. * gcse.c (store_killed_in_insn): Use pure_call_p here too. From-SVN: r52110
* rtl.h (RTL_CHECK1, [...]): Const-ify.Kaveh R. Ghazi2002-04-011-8/+8
| | | | | | | * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2, RTVEC_ELT): Const-ify. From-SVN: r51676
* alias.c: (nonlocal_mentioned_p): Use for_each_rtx.John Wehle2002-03-211-0/+1
| | | | | | | | | | | | | * alias.c: (nonlocal_mentioned_p): Use for_each_rtx. (nonlocal_mentioned_p_1): New function. (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise. (nonlocal_set_p, nonlocal_set_p_1): Likewise. (mark_constant_function): Recognize pure functions. * rtl.h (global_reg_mentioned_p): New prototype. * rtlanal.c (global_reg_mentioned_p, global_reg_mentioned_p_1): New function. From-SVN: r51113
* emit-rtl.c (gen_int_mode): New function.Lars Brinkhoff2002-03-191-0/+2
| | | | | | | | | | | | | | * emit-rtl.c (gen_int_mode): New function. * rtl.h: Prototype for it. * combine.c (make_extraction, simplify_comparison), expmed.c (store_bit_field, expand_mult_highpart, expand_divmod), expr.c (convert_modes, store_field), optabs.c (expand_fix), simplify-rtx.c (neg_const_int, simplify_unary_real), * config/rs6000/rs6000.c, config/rs6000/rs6000.md: Use it instead of GEN_INT (trunc_int_for_mode (...)). From-SVN: r51030
* cfgrtl.c (delete_insn_and_edges, [...]): New.Jan Hubicka2002-03-061-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New. * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare * basic-block.h (update_life_info, update_life_info_in_dirty_blocks, delete_noop_moves): Return indeger. * flow.c (ndead): New variable. (propagate_block_delete_insn): Use delete_insn_and_edges; remove BB argument; update callers. (propagate_block_delete_libcall): Use delete_insn_chain_and_edges. (life_analysis): Do not call purge_all_dead_edges. (update_life_info): Return number of deleted insns; print statistics. (update_life_info_in_dirty_blocks): likewise. (delete_noop_moves): Use delete_insn_and_edges; print statistics; return number of insns deleted. * cse.c: Include timevar.h (delete_trivially_dead_insns): Kill preserve_basic_blocks argument; iterate until stabilizes; print statistics; return number of killed insns. * Makefile.in: (cse.o): Add timevar.h dependency * rtl.h (delete_trivially_dead_insns): New. * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer. * toplev.c (rest_of_compilation): Update callers. * cfgcleanup.c (try_optimize_cfg): Kill blocks. (try_optimize_cfg): Do not update liveness. (cleanup-cfg): Loop until try_optimize_cfg and dead code removal stabilizes; use delete_trivially_dead_insns. * cfgrtl.c (verify_flow_info): Sanity check outgoing edges. From-SVN: r50355
* toplev.c (rest_of_compilation): Delete dead jumptables before loop.Jan Hubicka2002-03-011-0/+2
| | | | | | | | | * toplev.c (rest_of_compilation): Delete dead jumptables before loop. * flow.c (delete_dead_jumptables): Make global. * rtl.h (delete_dead_jumptables): Declare. From-SVN: r50205
* rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition to take ptr_extend ↵Steve Ellcey2002-02-281-1/+10
| | | | | | | | | | | | | | | | | | | | into account as third type of extension. * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition to take ptr_extend into account as third type of extension. (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit fields used by SUBREG_PROMOTED_UNSIGNED_P. * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro. (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1. * calls.c (precompute_arguments): Use new macro. (expand_call): Ditto. * combine.c (nonzero_bits): Ditto. (record_promoted_value): Ditto. * expr.c (store_expr): Ditto. (expand_expr): Ditto. * function.c (assign_parms): Ditto. From-SVN: r50174
* re PR debug/4461 (Invalid dawrf2 debug code)Jakub Jelinek2002-02-211-0/+1
| | | | | | | | | | | | PR debug/4461 * varasm.c (get_pool_constant_mark): New. * rtl.h (get_pool_constant_mark): Add prototype. * dwarf2out.c (mem_loc_descriptor): A pool constant cannot be represented if it has not been output. * gcc.dg/debug/20020220-1.c: New test. From-SVN: r49921
* i386.md ("mmx_uavgv8qi3"): Use const_vector.Aldy Hernandez2002-02-191-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2002-02-19 Aldy Hernandez <aldyh@redhat.com> * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector. ("mmx_uavgv4hi3"): Same. ("pmulhrwv4hi3"): Same. * tree-inline.c (walk_tree): Handle vectors. * c-common.c (constant_expression_warning): Handle vectors. (overflow_warning): Same. * sched-deps.c (sched_analyze_2): Handle vectors. * rtlanal.c (rtx_unstable_p): Handle vectors. (rtx_varies_p): Same. (count_occurrences): Same. (regs_set_between_p): Same. (modified_between_p): Same. (modified_in_p): Same. (volatile_insn_p): Same. (volatile_refs_p): Same. (side_effects_p): Same. (may_trap_p): Same. (inequality_comparisons_p): Same. (replace_regs): Same. (computed_jump_p_1): Same. * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th argument. (inner_mode_array): New. (copy_rtx): Handle vectors. (copy_most_rtx): Same. (rtx_equal_p): Same. (get_mode_alignment): Adjust for vectors. * resource.c (mark_referenced_resources): Handle vectors. (mark_set_resources): Same. * reload1.c (eliminate_regs): Handle vectors. (elimination_effects): Same. (scan_paradoxical_subregs): Same. * reload.c (subst_reg_equivs): Handle vectors. * regrename.c (scan_rtx): Handle vectors. * regclass.c (reg_scan_mark_refs): Handle vectors. * recog.c (find_single_use_1): Handle vectors. * local-alloc.c (equiv_init_varies_p): Handle vectors. (contains_replace_regs): Same. (memref_referenced_p): Same. * integrate.c (copy_rtx_and_substitute): Handle vectors. (subst_constants): Same. * genattrtab.c (attr_copy_rtx): Handle vectors. (encode_units_mask): Same. (clear_struct_flag): Same. (count_sub_rtxs): Same. * gcse.c (want_to_gcse_p): Handle vectors. (oprs_unchanged_p): Same. (hash_expr_1): Same. (oprs_not_set_p): Same. (expr_killed_p): Same. (compute_transp): Same. (store_ops_ok): Same. * function.c (purge_addressof_1): Do not allow paradoxical subregs of vectors. (fixup_var_refs_1): Same. (instantiate_virtual_regs_1): Same. * fold-const.c (operand_equal_p): Handle vectors. (fold): Same. (rtl_expr_nonnegative_p): Same. * flow.c (mark_used_regs): Handle vectors. * df.c (df_uses_record): Handle vectors. * cselib.c (cselib_subst_to_values): Handle vectors. (cselib_mem_conflict_p): Same. (hash_rtx): Same. * cse.c (canon_reg): Handle vectors. (fold_rt): Same. (cse_process_notes): Same. (count_reg_usage): Same. (canon_hash): Same. * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR. * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR. * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors. (gen_rtx): Handle CONST_VECTOR. (gen_const_vector_0): New. (copy_rtx_if_shared): CONST_VECTORs can be shared. (reset_used_flags): Same. (copy_insn_1): Same. (initializer_constant_valid_p): Handle VECTOR_CST. * doc/c-tree.texi (Expression trees): Document VECTOR_CST. * doc/rtl.texi (Constants): Document const_vector. (CONST0_RTX): Update for vectors. (RTL sharing): Same. * print-tree.c (print_node): Add case for VECTOR_CST. * tree.h (TREE_VECTOR_CST_ELTS): New. (struct tree_vector): New. (union tree_node): Add vector node. (build_vector): Add prototype. * tree.def (VECTOR_CST): New. * tree.c (build_vector): New. * expmed.c (make_tree): Handle CONST_VECTOR. * rtl.h (CONSTANT_P): CONST_VECTORs are constants too. (CONST_VECTOR_ELT): New. (CONST_VECTOR_NUNITS): New. * machmode.h (GET_MODE_INNER): New. (DEF_MACHMODE): Accept 8th arg. * machmode.def: Add 8th argument for vector inner mode. Add inner vector modes for vectors. * rtl.def (VEC_CONST): Remove. (CONST_VECTOR): New. * expr.c (clear_storage): Allow vectors. (is_zeros_p): Handle VECTOR_CST. * varasm.c (output_constant_pool): Handle vectors. (rtx_const): Add veclo and vechi fields. (kind): Add RTX_VECTOR. (decode_rtx_const): Add case for vector. * config/rs6000/rs6000-protos.h: Add zero_constant. * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector constants. Force easy vector constants into memory. (easy_vector_constant): New. (emit_easy_vector_constant): New. (rs6000_legitimize_reload_address): Do not generate bad reloads on darwin. * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what instruction does. ("altivec_lvxl"): Same. (altivec_lvebx): Same. (altivec_lvehx): Same. (altivec_lvewx): Same. ("*movv4si_const0"): New. ("*movv4sf_const0"): New. ("*movv8hi_const0"): New. ("*movv16qi_const0"): New. From-SVN: r49853
* jump.c (never_reached_warning): Add finish argument.Jakub Jelinek2002-02-121-1/+1
| | | | | | | | | | | | | | | * jump.c (never_reached_warning): Add finish argument. If finish is NULL, stop on CODE_LABEL, otherwise stop before first real insn after end. * rtl.h (never_reached_warning): Adjust prototype. * cse.c (cse_insn): Pass NULL as finish to never_reached_warning. * cfgrtl.c (flow_delete_block): Pass b->end as finish to never_reached_warning. * gcc.dg/Wunreachable-1.c: New test. * gcc.dg/Wunreachable-2.c: New test. From-SVN: r49713
* rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New.Richard Henderson2002-01-301-0/+6
| | | | | | | | | | | | | | | | | | | | * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New. * rtl.c (note_insn_name): Update. * emit-rtl.c (remove_unnecessary_notes): Kill it. * stmt.c (expand_end_loop): Kill jump opt code. Use LOOP_END_TOP_COND to perform loop rotation. (expand_exit_loop_top_cond): New. * tree.h (expand_exit_loop_top_cond): Declare it. * c-semantics.c (genrtl_while_stmt): Use it. (genrtl_for_stmt): Likewise. * ada/trans.c (tree_transform) [N_Loop_Statement]: Use expand_exit_loop_top_cond. * f/ste.c (ffeste_begin_iterdo_): Use expand_exit_loop_top_cond. (ffeste_R819B): Likewise. From-SVN: r49364
* emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode if not ↵Richard Kenner2002-01-271-4/+4
| | | | | | | | | | STRICT_ALIGNMENT. * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode if not STRICT_ALIGNMENT. * rtl.h (MEM_ALIGN): Likewise. From-SVN: r49268
* predict.c: Fix formatting.Kazu Hirata2002-01-221-2/+2
| | | | | | | | | | | | | | | | | | | | | | * predict.c: Fix formatting. * print-tree.c: Likewise. * protoize.c: Likewise. * real.h: Likewise. * rtl.h: Likewise. * sbitmap.h: Likewise. * scan.c: Likewise. * sched-deps.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sibcall.c: Likewise. * ssa.c: Likewise. * ssa-ccp.c: Likewise. * ssa-dce.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * system.h: Likewise. From-SVN: r49074
* bitmap.h: Fix comment formatting.Kazu Hirata2002-01-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | * bitmap.h: Fix comment formatting. * combine.c: Likewise. * cppfiles.c: Likewise. * c-pragma.h: Likewise. * c-typeck.c: Likewise. * df.c: Likewise. * dwarf2out.c: Likewise. * function.c: Likewise. * gcc.c: Likewise. * genattrtab.c: Likewise. * gthr-win32.h: Likewise. * haifa-sched.c: Likewise. * predict.c: Likewise. * rtlanal.c: Likewise. * rtl.h: Likewise. * unwind-dw2-fde.h: Likewise. * unwind-pe.h: Likewise. * vmsdbgout.c: Likewise. From-SVN: r48987
* rtl.h: Update copyright date.Graham Stott2002-01-031-98/+105
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * rtl.h: Update copyright date. (RTL_CHECK1): Wrap long line. (RTL_CHECK2): Likewise. (RTL_CHECKC1): Wrap long line and whitespace. (RTL_CHECKC2): Likewise. (XWINT): Whitespace. (XINT): Likewise. (XSTR): Likewise. (XEXP): Likewise. (XVEC): Likewise. (XMODE): Likewise. (XBITMAP): Likewise. (XTREE): Likewise. (XBBDEF): Likewise. (XTMPL): Likewise. (X0WINT): Likewise. (X0INT):Likewise. (X0UINT): Likewise. (X0STR): Likewise. (X0EXP): Likewise. (X0VEC): Likewise. (X0MODE): Likewise. (X0BITMAP): Likewise. (X0TREE): Likewise. (X0BBDEF): Likewise. (X0ADVFLAGS): Likewise. (X0CSELIB): Likewise. (X0MEMATTR): Likewise. (XCWINT): Likewise. (XCINT): Likewise. (XCUINT): Likewise. (XCSTR): Likewise. (XCEXP): Likewise. (XCVEC): Likewise. (XCMODE): Likewise. (XCBITMAP): Likewise. (XCTREE): Likewise. (XCBBDEF): Likewise. (XCADVFLAGS): Likewise. (XCCSELIB): Likewise. (XC2EXP): Likewise. (INSN_UID): Likewise. (PREV_INSN): Likewise. (PATTERN): Likewise. (INSN_CODE): Likewise. (PUT_REG_NOTE_KIND): Likewise. (CODE_LABEL_NUMBER): Likewise. (NOTE_SOURCE_FILE): Likewise. (NOTE_BLOCK): Likewise. (NOTE_EH_HANDLER): Likewise. (NOTE_RANGE_INFO): Likewise. (NOTE_LIVE_INFO): Likewise. (NOTE_BASIC_BLOCK): Likewise. (NOTE_EXPECTED_VALUE): Likewise. (NOTE_LINE_NUMBER): Likewise. (LABEL_NAME): Likewise. (LABEL_NUSES): Likewise. (LABEL_ALTERNATE_NAME): Likewise. (ADDRESSOF_DECL): Likewise. (JUMP_LABEL): Likewise. (LABEL_NEXTREF): Likewise. (REGNO): Likewise. (ORIGINAL_REGNO: Likewise. (HARD_REGISTER_NUM_P): Add parenthesis. (SUBREG_REG): Whitespace. (SUBREG_BYTE): Likewise. (ASM_OPERANDS_TEMPLATE): Remove parenthesis. (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise. (ASM_OPERANDS_OUTPUT_IDX): Likewise. (ASM_OPERANDS_INPUT_VEC): Likewise. (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise. (ASM_OPERANDS_INPUT): Likewise. (ASM_OPERANDS_INPUT_LENGTH): Likewise. (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise. (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise. (ASM_OPERANDS_INPUT_MODE): Likewise. (ASM_OPERANDS_SOURCE_FILE): Likewise. (ASM_OPERANDS_SOURCE_LINE): Likewise. (MEM_SET_IN_STRUCT_P): Minor reformat. (TRAP_CONDITION): Whitespace. (TRAP_CODE): Likewise. (COND_EXEC_TEST): Likewise. (COND_EXEC_CODE): Likewise. (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis. (PHI_NODE_P): Add parenthesis. (plus_constant): Whitespace and add paraenthese. From-SVN: r48497
* rtl.h (in_expr_list_p): New declaration.Richard Kenner2001-12-241-0/+1
| | | | | | | | | * 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. From-SVN: r48304
* rtl.h (subreg_lsb): Declare.John Wehle2001-12-221-0/+1
| | | | | | | * rtl.h (subreg_lsb): Declare. * rtlanal.c (subreg_lsb): Implement. From-SVN: r48272
* machmode.h (mode_name, [...]): Set array size in declaration to ↵Kaveh R. Ghazi2001-12-181-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | NUM_MACHINE_MODES. * 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. From-SVN: r48139
* Makefile.in (cfgcleanup.o): Add cselib.h dependancy.Jan Hubicka2001-12-171-2/+0
| | | | | | | | | | | | | | | * Makefile.in (cfgcleanup.o): Add cselib.h dependancy. * 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. From-SVN: r48108
* regrename.c (copyprop_hardreg_forward): New optimization.Richard Henderson2001-12-121-0/+1
| | | | | | | | | | | | | | | | | * 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. From-SVN: r47951
* rtl.h (get_jump_table_offset): Declare.John Wehle2001-12-071-0/+1
| | | | | | | * rtl.h (get_jump_table_offset): Declare. * rtlanal.c (get_jump_table_offset): Implement. From-SVN: r47756
* rtl.h (initialize_uninitialized_subregs): New prototype.Andrew MacLeod2001-12-051-3/+4
| | | | | | | | | | | | | 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. From-SVN: r47644
* rtl.h (mem_attrs): Rename decl to expr; adjust all users.Richard Henderson2001-12-021-4/+5
| | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r47534
* function.c (keep_stack_depressed): Major rework.Richard Kenner2001-11-211-1/+3
| | | | | | | | | | | * 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. From-SVN: r47250
* alias.c (nonoverlapping_memrefs): Use REGNO_PTR_FRAME_P.Richard Kenner2001-11-151-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. * except.c: Remove ALIGN parameter in call to emit_cmp_and_jump_insns. * explow.c: Likewise. * loop.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. * 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/d30v/d30v.c: Reflect above changes. * config/i860/i860.c, config/ia64/ia64.c: Likewise. * config/rs6000/rs6000.c, config/sh/sh.c: Likewise. * ada/trans.c, ada/utils2.c: Remove PALIGN parameter to get_inner_reference. From-SVN: r47075
* jump.c (squeeze_notes): Return true if no real insns were found.Jakub Jelinek2001-11-151-1/+1
| | | | | | | | | | | | | | | | * 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. * gcc.c-torture/compile/20011114-4.c: New test. From-SVN: r47048
* rtl.h (mem_for_const_double): New declaration.Richard Kenner2001-11-061-0/+1
| | | | | | | | | | | * 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. From-SVN: r46808
* cselib.c (cselib_subst_to_values, [...]): Remove reference to ↵Richard Kenner2001-11-031-8/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CONST_DOUBLE_MEM in comment. * 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. From-SVN: r46736
* emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or REG_EQUIV notes ↵Jakub Jelinek2001-10-301-1/+1
| | | | | | | | | | | | | | | | | | | for ASM_OPERANDS. * 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. * gcc.dg/20011029-2.c: New test. From-SVN: r46636
* alias.c (can_address_p): No longer static.Richard Kenner2001-10-251-6/+16
| | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r46487
* alias.c (can_address_p): Compnonents are not addressable if the containing ↵Richard Kenner2001-10-231-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | type has alias set 0. * 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. * cp/cp-lang.c (cxx_get_alias_set): New function. Point LANG_HOOKS_GET_ALIAS_SET to it. * f/com.c (LANG_HOOKS_GET_ALIAS_SET): New macro. (lang_get_alias_set): Delete. * java/lang.c (lang_get_alias_set): Deleted. From-SVN: r46440
* emit-rtl.c (set_mem_attributes): Alignment is in bits.Richard Kenner2001-10-201-2/+2
| | | | | | | * emit-rtl.c (set_mem_attributes): Alignment is in bits. (adjust_address_1, offset_address): Likewise. From-SVN: r46378
* basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.Jan Hubicka2001-10-201-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 dependancy. * 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. From-SVN: r46374
* rtl.h (REG_VTABLE_REF): New.Richard Henderson2001-10-111-1/+5
| | | | | | | | | | | | | | | | | | | | | | * 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. cp/ * class.c (build_vtable_entry_ref): Create a VTABLE_REF instead of an asm statement. (build_vtbl_ref_1): Split out from build_vtbl_ref. (build_vfn_ref): Use it to handle vtable descriptors before calling build_vtable_entry_ref. * decl2.c (output_vtable_inherit): Use assemble_vtable_inherit. testsuite/ * g++.old-deja/g++.other/crash18.C: Add -S to options. From-SVN: r46195
* calls.c: Fix formatting.Kazu Hirata2001-10-111-15/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r46182
* * rtl.h (can_reverse_comparison_p): Remove.Richard Henderson2001-10-101-1/+0
| | | | From-SVN: r46170
* c-common.c: Fix comment typos.Kazu Hirata2001-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r46114
* function.c (keep_stack_depressed): Don't use delete_insn.Richard Kenner2001-10-011-10/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r45922
* rtl.h (LCT_RETURNS_TWICE): New.Richard Henderson2001-09-211-1/+2
| | | | | | | | | | | | | | | | | * 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. From-SVN: r45736
* basic-block.h (flow_delete_insn, [...]): Kill.Jan Hubicka2001-09-211-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r45726
* basic-block.h (free_bb_for_insn): Declare.Jan Hubicka2001-09-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. From-SVN: r45647
* rtl.h (FIND_REG_INC_NOTE): Call find_regno_note for REGs.Hans-Peter Nilsson2001-09-141-1/+4
| | | | | | | | * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT || HAVE_POST_DECREMENT]: Call find_regno_note for REGs. From-SVN: r45617
* re PR rtl-optimization/3783 (gcc3.0/ia64 ICE on linux kernel file ↵Jim Wilson2001-09-071-0/+1
| | | | | | | | | | | fs/ufs/super.c) Fix for PR 3783. * alias.c (clear_reg_alias_info): New. * flow.c (attempt_auto_inc): Call clear_reg_alias_info. * rtl.h (clear_reg_alias_info): Declare. From-SVN: r45482
* loop.c (record_giv): Avoid simplifying MULT to ASHIFT.Richard Henderson2001-09-071-0/+1
| | | | | | | | | | | | | | | | | * 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. From-SVN: r45473
* rtl.def: Undo my patch commited 2001-08-27.Vladimir Makarov2001-08-301-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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. From-SVN: r45297