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* * flow.c (mark_used_reg): Clean up looping over multiple hardrth2001-06-061-115/+90
| | | | | | | registers. Do conditional life bits across multiple hard regs. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42942 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (set_block_for_new_insns): Remove bogus shortcut.hubicka2001-05-311-6/+0
| | | | | | | * i386.c (ix86_expand_int_movcc): Force one of operands to be register. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42747 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (life_analysis): After life analysis is complete, dolaw2001-05-161-2/+26
| | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42131 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEClaw2001-04-281-1/+4
| | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41662 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (proagate_one_insn): Remove useless assignment.mmitchel2001-04-211-4/+1
| | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41486 138bc75d-0d04-0410-961f-82ee72b054a4
* * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.kenner2001-04-101-2/+2
| | | | | | | | * flow.c (set_block_for_new_insns): Remove needless cast and properly check for unset block number. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41227 138bc75d-0d04-0410-961f-82ee72b054a4
* 2001-04-09 Andrew MacLeod <amacleod@redhat.com>amacleod2001-04-091-5/+28
| | | | | | | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41208 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtl.h (set_noop_p): Declare.wehle2001-04-041-22/+0
| | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41077 138bc75d-0d04-0410-961f-82ee72b054a4
* 2001-04-03 Jakub Jelinek <jakub@redhat.com>amacleod2001-04-031-7/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41058 138bc75d-0d04-0410-961f-82ee72b054a4
* IA-64 ABI Exception Handling.rth2001-03-281-309/+108
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40924 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (cleanup_cfg): Take no argument.rth2001-03-281-3/+2
| | | | | | | * output.h, sibcall.c, toplev.c: Update all calls. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40910 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (tidy_fallthru_edges): Don't combine complex edges.rth2001-03-281-3/+22
| | | | | | | | | | (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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40909 138bc75d-0d04-0410-961f-82ee72b054a4
* * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,rth2001-03-281-2/+2
| | | | | | | | | | | jump.c, toplev.c: Rename asynchronous_exceptions to flag_non_call_exceptions. * java/decl.c (end_java_method): Rename asynchronous_exceptions to flag_non_call_exceptions. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40902 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix ia64-linux ICE on bash.wilson2001-03-271-12/+42
| | | | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40881 138bc75d-0d04-0410-961f-82ee72b054a4
* * mkconfig.sh: Include insn-flags.h.rth2001-03-221-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40754 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (insn_dead_p): Don't consider two memrefs equivalentkenner2001-03-121-18/+19
| | | | | | | | | unless anti_dependence says they are. * alias.c (objects_must_conflict): If neither has a type specified, they must conflict. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40420 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (find_sub_basic_blocks): New function.hubicka2001-02-241-5/+121
| | | | | | | | | | | (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 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40021 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (init_propagate_block_info): Canon address and use single_sethubicka2001-02-211-9/+10
| | | | | | | for killing dead memory stores. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39949 138bc75d-0d04-0410-961f-82ee72b054a4
* new macro REVERSE_CONDEXEC_PREDICATES_Paldyh2001-02-211-1/+7
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39947 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (mark_set_1): Make not_dead unsigned long. Forrearnsha2001-02-211-6/+7
| | | | | | | | non-pseudos, use it as a bitmask of the hard regs that don't die. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39943 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.kenner2001-02-181-3/+15
| | | | | | | | Call fancy_abort directly, passing args. (print_rtl_and_abort): Now a macro, like fancy_abort. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39852 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.kenner2001-02-161-1/+8
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39739 138bc75d-0d04-0410-961f-82ee72b054a4
* * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM tohubicka2001-02-131-6/+4
| | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39643 138bc75d-0d04-0410-961f-82ee72b054a4
* * diagnostic.h (set_internal_error_function): Renamed.kenner2001-02-041-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. * cp/init.c (build_java_class_ref): Likewise. (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. * cp/decl.c (pushdecl): Likewise. * java/check-init.c (check_init): Likewise. * java/expr.c (java_lang_expand_expr): Likewise. * java/jcf-parse.c (get_constant): Likewise. * java/mangle.c (java_mangle_decl): Likewise. * java/parse.y (make_nested_class_name, java_complete_lhs): Likewise. (operator_string): Likewise. * except.c (duplicate_eh_handlers): Call abort instead of fatal. * flow.c (verify_flow_info): Likewise. * ch/convert.c (convert): Likewise. * ch/except.c (pop_handler, chill_check_no_handlers): Likewise. * ch/expr.c (chill_expand_expr): Likewise. * ch/parse.c (peek_token_, pushback_token, require): 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. * cp/decl.c (pushdecl): Likewise. * java/check-init.c (check_init): Likewise. * java/class.c (build_class_ref): Likewise. * java/constants.c (write_constant_pool): Likewise. * java/decl.c (start_java_method): Likewise. * java/expr.c (push_type, java_stack_pop, java_stack_swap): Likewise. (java_stack_dup, encode_newarray_type): Likewise. (build_java_array_length_access): Likewise. (build_java_check_indexed_type, expand_java_pushc): Likewise. (build_java_soft_divmod, build_invokeinterface): Likewise. * java/java-tree.h (INNER_CLASS_P): Likewise. * java/jcf-parse.c (parse_signature, get_name_constant): Likewise. (give_name_to_class, get_class_constant): Likewise. * java/jcf-write.c (CHECK_PUT, CHECK_OP, get_access_flags): Likewise. (find_constant_index, generate_bytecode_conditional): Likewise. (generate_bytecode_insns, perform_relocations): Likewise. * java/lex.c (java_unget_unicode, java_lex): Likewise. * java/mangle.c (mangle_type, mangle_record_type): Likewise. (mangle_pointer_type, mangle_array_type, init_mangling): Likewise. (finish_mangling): Likewise. * java/parse.h (MARK_FINAL_PARMS): Likewise. * java/parse.y (pop_current_osb, unreachable_stmt_error): Likewise. (obtain_incomplete_type, java_complete_class): Likewise. (java_check_regular_methods, java_complete_expand_method): Likewise. (cut_identifier_in_qualified, check_deprecation): Likewise. (patch_invoke, find_applicable_accessible_methods_list): Likewise. (java_complete_lhs, lookup_name_in_blocks): Likewise. (check_final_variable_indirect_assignment, build_unaryop): Likewise. * java/typeck.c (set_local_type, parse_signature_type): Likewise. (parse_signature_string, build_java_signature): Likewise; (set_java_signature): Likewise. * java/verify.c (type_stack_dup, CHECK_PC_IN_RANGE): Likewise. * c-parse.in (methoddef): Call fatal_error instead of fatal. * objc/objc-act.c (build_ivar_chain): Likewise. * cp/except.c (decl_is_java_type): Likewise. * cp/init.c (build_java_class_ref): Likewise. * cp/init.c (build_new_1): Likewise. * f/com.c (ffecom_init_0): Likewise. * java/class.c (add_method, build_static_field_ref): Likewise. * java/expr.c (build_known_method_ref, expand_invoke): Likewise. * java/jcf-parse.c (get_constant, jcf_parse): Likewise. * java/lex.c (java_new_new_lexer): Likewise. * java/jv-scan.c (main): Likewise. (fatal_error): Renamed from fatal. * 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. * ch/grant.c (write_grant_file): Likewise. * ch/lex.c (init_parse, same_file, yywrap): Likewise. * f/com.c (init_parse): Likewise. * java/jcf-parse.c (yyparse): Likewise. * objc/objc-act.c (objc_init): Likewise. * java/jcf-parse.c (jcf_parse_source): Call fatal_io_error, not fatal. (yyparse): Likewise. * java/jcf-write.c (make_class_file_name, write_classfile): Likewise. * java/lex.c (java_get_line_col): 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. * cp/decl.c (build_typename_type): hash_table_init now returns void. * ch/lang.c (GNU_xref_begin, GNU_xref_end): Deleted. * ch/lex.c (convert_bitstring): Delete check for alloca failure. * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare): Deleted. * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it. * f/com.c (ffecom_decode_include_option_): Make errors non-fatal. * f/lex.c (ffelex_cfelex_, ffelex_get_directive_line_): Likewise. (ffelex_hash_): Likewise. * config/arm/arm.c (arm_override_options): Likewise. * 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. * cp/decl.c (init_decl_processing): Likewise. * java/jcf-parse.c (load_class): Likewise. * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage instead of fatal. * config/mips/mips.c (print_operand): Likewise. * java/lex.c (byteswap_init, need_byteswap): Only #ifdef HAVE_ICONV. * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call. (get_object_reference): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39443 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (init_propagate_block_info): Don't consider unchangingrth2001-01-241-0/+7
| | | | | | | memories for dead frame store elimination. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39222 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.kenner2001-01-191-12/+4
| | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39141 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (mark_set_1, case PARALLEL): Now case; rework to allowkenner2001-01-181-13/+20
| | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39118 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (propagate_on_insn): Make trying to delete a prologuekenner2001-01-161-21/+17
| | | | | | | | or epilogue insn an ICE, not a warning. Allow doing this if the current function returns with stack pointer depressed. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39078 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (struct propagate_block_info): Add mem_set_list_len.rth2001-01-161-3/+24
| | | | | | | | | | | | | | (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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39065 138bc75d-0d04-0410-961f-82ee72b054a4
* Partially undo a previous patchbernds2001-01-111-15/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38908 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (flow_call_edges_add): New.m.hayes2001-01-111-0/+69
| | | | | | | * basic_block.h (flow_call_edges_add): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38899 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (flow_loop_scan): Break out of ...m.hayes2001-01-091-43/+70
| | | | | | | | | | (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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38822 138bc75d-0d04-0410-961f-82ee72b054a4
* * reload.c (subst_reloads): Take INSN argument. Whenaoliva2001-01-071-6/+18
| | | | | | | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38755 138bc75d-0d04-0410-961f-82ee72b054a4
* * c-decl.c (c_decode_option): Remove support ofaj2001-01-021-30/+36
| | | | | | | | | | | | | | | | | | | | -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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38612 138bc75d-0d04-0410-961f-82ee72b054a4
* Compute REG_N_SETS for ORIGINAL_REGNOs.bernds2000-12-291-1/+15
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38547 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtl.h (REG_NON_LOCAL_GOTO): New.rth2000-12-211-5/+10
| | | | | | | | | | | * rtl.c (reg_note_name): Update. * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note. * builtins.c (expand_builtin_longjmp): Likewise. * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do not emit an edge. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38408 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix ARM bootstrap problems introduced by last changebernds2000-12-201-31/+36
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38399 138bc75d-0d04-0410-961f-82ee72b054a4
* Flow fixes for cond_exec on ia64bernds2000-12-191-101/+230
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38380 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (notice_stack_pointer_modification_1): Cleanup.hubicka2000-12-151-6/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38282 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (notice_stack_pointer_modification_1): Notice midificationshubicka2000-12-131-0/+2
| | | | | | | using PRE_MODIFY and POST_MODIFY. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38226 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (calculate_global_regs_live): Force the stack pointer liverth2000-12-071-3/+3
| | | | | | | after reload as well. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38114 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (calculate_global_regs_live): Only force stack pointerrth2000-12-051-18/+29
| | | | | | | | live before reload. Force pic register live before reload. (insn_dead_p): Don't protect pic references from deletion. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38027 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (make_edge): Early out, if no flags to set.rth2000-11-301-11/+25
| | | | | | | | | | | | | | | | (calculate_global_regs_live): Clear out garbage only when necessary. * simplify-rtx.c (varray_type used_regs): New. (clear_table): Use it to only clear necessary items. (cselib_lookup, cselib_record_set): Remember newly set items. (cselib_update_varray_sizes, cselib_init): Initialize and grow used_regs. * local-alloc.c (update_equiv_regs): New local `cleared_regs'. Move clearing of dead regs out of insn-loop. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37899 138bc75d-0d04-0410-961f-82ee72b054a4
* * function.h (emit_status): Delete member regno_pointer_flag andlaw2000-11-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rename regno_pointer_flag_length to regno_pointer_align_length. Delete define for REGNO_POINTER_FLAG. * integrate.h (inline_remap): Delete member regno_pointer_flag. Add member x_regno_reg_rtx. * rtl.h (rtx_def): Use frame_related bit to indicate register is a pointer in REG expressions. Define REG_POINTER macro. * alias.c (find_base_value, find_base_term): Use REG_POINTER instead of REGNO_POINTER_FLAG. * combine.c (nonzero_bits, num_sign_bit_copies): Likewise. * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead of regno_pointer_flag_length. Remove code which refers to regno_pointer_flag. (mark_reg_pointer): Use REG_POINTER. (free_emit_status): Remove code which refers to regno_pointer_flag. (init_emit, mark_emit_status): Likewise. * flow.c (dump_flow_info): Likewise. * function.c (preserve_temp_slots): Likewise. * integrate.c (expand_inline_function, copy_rtx_and_substitute): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER. * predict.c (estimate_probability): Likewise. * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise. * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use REG_POINTER. * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand): Use REG_POINTER. (restore_unscaled_index_insn_codes): Revise comment. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37863 138bc75d-0d04-0410-961f-82ee72b054a4
* While building global lifetime information, keep track of which registers arebernds2000-11-271-13/+55
| | | | | | | | only conditionally set. Use this to force rescans in more cases where they are needed. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37801 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (print_rtl_and_abort): Remove ANSIism.rth2000-11-241-1/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37722 138bc75d-0d04-0410-961f-82ee72b054a4
* Try to dump some information before aborting.bernds2000-11-231-3/+35
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37699 138bc75d-0d04-0410-961f-82ee72b054a4
* Michael Matz <matzmich@cs.tu-berlin.de>rth2000-11-141-245/+1
| | | | | | | | | | | | | | | | | | | | | | | * dominance.c: New file. * Makefile.in (OBJS): Add dominance.o. * flow.c (compute_flow_dominators): Remove. (compute_immediate_dominators): Remove. (compute_immediate_postdominators): Remove. * basic-block.h: Remove their prototypes. (calculate_dominance_info): Add prototype. * dce.c (eliminate_dead_code): Change calls to above functions. Don't compute dominators but only immediate dominators. * flow.c (flow_loops_find): Change callers. * gcse.c (compute_code_hoist_data): Likewise. * haifa-sched.c (schedule_insns): Likewise. * ifcvt.c (if_convert): Likewise. * ssa.c (convert_to_ssa): Likewise, and only compute immediate dominators. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37449 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (invalidate_mems_from_set): Split out from ...rth2000-11-101-35/+48
| | | | | | | | | (mark_set_1): ... here. (try_pre_increment_1): Use it. Use propagate_block_delete_insn instead of turning insn into a NOTE_INSN_DELETED. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37356 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (init_propagate_block_info): Protect the rtx stored inrth2000-11-091-2/+24
| | | | | | | | mem_set_list from modification by find_auto_inc. (mark_set_1): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37330 138bc75d-0d04-0410-961f-82ee72b054a4
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