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* * local-alloc.c (update_equiv_regs): Copy INSN_CODE to therth2001-02-021-1/+5
| | | | | | | new instruction. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@39400 138bc75d-0d04-0410-961f-82ee72b054a4
* Extra arg for rtx_varies_pbernds2001-01-011-5/+5
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38590 138bc75d-0d04-0410-961f-82ee72b054a4
* 2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>kenner2000-12-291-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN. *** local-alloc.c 2000/11/30 21:40:33 1.75 --- local-alloc.c 2000/12/29 13:10:59 *************** update_equiv_regs () *** 1141,1146 **** rtx new_insn; ! new_insn = emit_insn_before (copy_rtx (PATTERN (equiv_insn)), ! insn); REG_NOTES (PREV_INSN (insn)) = REG_NOTES (equiv_insn); REG_NOTES (equiv_insn) = 0; --- 1141,1145 ---- rtx new_insn; ! new_insn = emit_insn_before (PATTERN (equiv_insn), insn); REG_NOTES (PREV_INSN (insn)) = REG_NOTES (equiv_insn); REG_NOTES (equiv_insn) = 0; git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38536 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (make_edge): Early out, if no flags to set.rth2000-11-301-10/+33
| | | | | | | | | | | | | | | | (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
* * c-lex.c (cb_leave_file): Harmonize conditions and order ofhp2000-11-131-0/+1
| | | | | | | | | | | | statements to those of process_directive for (action == act_pop). * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS. * local-alloc.c (equiv_init_movable_p): References to CC0 are not movable. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37438 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (init_alias_analysis), calls.c (expand_call,jsm282000-11-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | emit_library_call_value_1), combine.c (init_reg_last_arrays), cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c (init_output_buffer, set_diagnostic_context), dwarf2out.c (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c (init_emit_once), fold-const.c (mul_double, div_and_round_double), function.c (assign_parms), gcse.c (compute_can_copy, alloc_gcse_mem, alloc_reg_set_mem, record_one_set, compute_hash_table, compute_set_hash_table, compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info, clear_units, schedule_block), integrate.c (initialize_for_inline, expand_inline_function), jump.c (thread_jumps), local-alloc.c (local_alloc), loop.c (combine_movables, count_loop_regs_set, load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree), regclass.c (init_reg_sets, init_reg_sets_1, regclass, record_reg_classes, allocate_reg_info), reload.c (get_secondary_mem, remove_address_replacements, find_reloads), reload1.c (reload, set_initial_label_offsets, finish_spills, reload_as_needed, choose_reload_regs_init, reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c (rename_registers), stmt.c (expand_end_case), unroll.c (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset () instead of bzero (). ch: * actions.c (check_missing_cases), typeck.c (build_chill_slice, build_chill_cast): Use memset () instead of bzero (). cp: * class.c (duplicate_tag_error, build_vtbl_initializer), decl.c (push_binding_level), error.c (cp_tree_printer), pt.c (process_partial_specialization, tsubst_template_arg_vector), search.c (lookup_member): Use memset () instead of bzero (). java: * expr.c (note_instructions), jcf-io.c (find_class), jcf-parse.c (init_outgoing_cpool), lex.c (java_init_lex): Use memset () instead of bzero (). git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37303 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (update_equiv_regs): Add an abort(). Whengeoffk2000-10-231-1/+11
| | | | | | | deleting or moving insns, update reg_equiv[regno].init_insns. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37018 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c: (mark_constant_function): Don't check pure functions.wehle2000-10-201-97/+271
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Initialize and end alias analysis. (nonlocal_mentioned_p): Rename from nonlocal_reference_p. Don't make a special exception for recursion. Handle UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local unless it's volatile. * local-alloc.c (equivalence): New structure. (reg_equiv): Define. (contains_replace_regs): Remove array and use field in reg_equiv. (memref_referenced_p): Likewise. (no_equiv): Likewise. (update_equiv_regs): Likewise. (equiv_init_varies_p, equiv_init_movable_p): New functions. (update_equiv_regs): Use them. Use rtx_varies_p instead of function_invariant_p. Process insns from end to beginning. Allow a REG_EQUIV insn within the same loop as a use to be moved, also allow it to be moved out of a loop. Update REG_DEAD notes when substituting into an insn. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36957 138bc75d-0d04-0410-961f-82ee72b054a4
* Generate REG_EQUAL notes when they'd be helpfulcrux2000-09-141-0/+7
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36409 138bc75d-0d04-0410-961f-82ee72b054a4
* Don't use CLASS_LIKELY_SPILLED in local-alloccrux2000-09-061-21/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36197 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (requires_inout): Don't use reserved range forrth2000-08-291-4/+4
| | | | | | | | | | | | | | | | | EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER. * recog.c (asm_operand_ok): Likewise. (preprocess_constraints, constrain_operands): Likewise. * regclass.c (record_reg_classes): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (maybe_fix_stack_asms): Likewise. (reload_cse_simplify_operands): Likewise. * stmt.c (expand_asm_operands): Likewise. * md.texi: Update constraints documentation. * tm.texi (EXTRA_CONSTRAINT): Update. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@36023 138bc75d-0d04-0410-961f-82ee72b054a4
* * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,gkm2000-08-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and extendtab within their proper array boundaries. * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds for the entire array. * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE. * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise. * config/avr/avr.c (order_regs_for_local_alloc): Likewise. * config/fr30/fr30.c (fr30_print_operand): Likewise. * config/i386/dgux.c (output_options): Likewise. * config/i386/dgux.h (ASM_FILE_START): Likewise. * config/m88k/m88k.c (output_options): Likewise. * config/m88k/m88k.h (ASM_FILE_START): Likewise. * config/mcore/mcore.c (mcore_output_inline_const_forced, layout_mcore_frame, handle_structs_in_regs): Likewise. * config/mips/mips.c (output_block_move): Likewise. * config/rs6000/rs6000.c (rs6000_override_options, rs6000_file_start): Likewise. * config/sparc/sparc.c (sparc_add_gc_roots): Likewise. * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise. * fixinc/fixtests.c (TEST_TABLE_CT): Likewise. * builtins.c (expand_builtin_setjmp): Likewise. * expr.c (safe_from_p): Likewise. * flow.c (life_analysis): Likewise. * fold-const.c (size_int_type_wide): Likewise. * gcc.c (translate_options, init_spec, set_spec, main): Likewise. * genattrtab.c (make_length_attrs): Likewise. * genopinit.c (gen_insn): Likewise. * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise. * global.c (global_alloc): Likewise. * local-alloc.c (find_free_reg): Likewise. * mips-tdump.c (print_symbol): Likewise. * mips-tfile.c (parse_def, parse_input): Likewise. * reload1.c (NUM_ELIMINABLE_REGS): Likewise. * stmt.c (expand_nl_goto_receiver): Likewise. * stor-layout.c (set_sizetype): Likewise. * varasm.c (decode_reg_name): Likewise. * toplev.c (decode_f_option, decode_W_option, set_target_switch, print_switch_values): Likewise. (NUM_ELEM): Remove macro. (display_help, main): s/NUM_ELEM/ARRAY_SIZE/ git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35949 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (mark_constant_function): Use INSN_P.law2000-08-041-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (init_alias_analysis): Likewise. * combine.c (combine_instructions): Use INSN_P. (can_combine_p): Likewise. (try_combine): Likewise. (distribute_notes): Likewise. (distribute_links): Likewise. * cse.c (cse_around_loop): Use INSN_P. (invalidate_skipped_block): Likewise. (cse_set_around_loop): Likewise. (cse_end_of_basic_block): Likewise. (delete_trivially_dead_insns): Likewise. * emit-rtl.c (unshare_all_rtl_again): Use INSN_P. (unshare_all_rtl_1): Likewise. (next_cc0_user): Likewise. (try_split make_insn_raw): Likewise. (remove_unnecessary_notes): Likewise. * final.c (shorten_branches): Use INSN_P. (leaf_renumber_regs): Likewise. (leaf_renumber_regs_insn): Likewise. * flow.c (find_label_refs): Use INSN_P. (verify_wide_reg): Likewise. (notice_stack_pointer_modification): Likewise. (count_or_remove_death_notes): Likewise. (verify_flow_info): Likewise. (clear_log_links): Likewise. * function.c (fixup_var_refs_insns): Use INSN_P. (compute_insns_for_mem): Likewise. * gcse.c (alloc_gcse_mem): Use INSN_P. (compute_sets): Likewise. (compute_hash_table): Likewise. (classic_gcse): Likewise. (cprop): Likewise. (insert_insn_end_bb): Likewise. (delete_null_pointer_checks_1): Likewise. * global.c (expand_preferences): Use INSN_P. (build_insn_chain): Likewise. * graph.c (node_data): Use INSN_P. * haifa-sched.c (priority): Use INSN_P. (rm_line_notes): Likewise. (rm_other_notes): Likewise. (find_insn_reg_weight): Likewise. (init_target_units): Likewise. (schedule_block): Likewise. (compute_block_forward_dependences): Likewise. (debug_dependencies): Likewise. (set_priorities): Likewise. * integrate.c (function_cannot_inline_p): Use INSN_P. (save_parm_insns): Likewise. (copy_insn_list): Likewise. * jump.c (mark_all_labels): Use INSN_P. (never_reached_warning): Likewise. * lcm.c (optimize_mode_switching): Use INSN_P. * local-alloc.c (validate_equiv_mem): Use INSN_P. (memref_used_between_p): Likewise. (update_equiv_regs): Likewise. (block_alloc): Likewise. (no_conflict_p): Likewise. * loop.c (scan_loop): Use INSN_P. (find_and_verify_loops): Likewise. (count_loop_regs_set): Likewise. (loop_reg_used_before_p): Likewise. (strength_reduce): Likewise. (recombine_givs): Likewise. (check_dbra_loop): Likewise. (load_mems): Likewise. (try_copy_prop): Likewise. * print-rtl.c (print_rtx): Use INSN_P. * recog.c (find_single_use): Use INSN_P. * reg-stack.c (stack_regs_mentioned): Use INSN_P. (next_flags_user): Likewise. (swap_rtx_condition): Likewise. * regmove.c (mark_flags_life_zones): Use INSN_P. (optimize_reg_copy_1): Likewise. (optimize_reg_copy_2): Likewise. (optimize_reg_copy_3): Likewise. (reg_is_remote_constant_p): Likewise. (fixup_match_2): Likewise. (regmove_optimize): Likewise. (fixup_match_1): Likewise. * regrename.c (build_def_use): Use INSN_P. (replace_reg_in_block): Likewise. (consider_use): Likewise. * reload.c (find_equiv_reg): Use INSN_P. * reload1.c (reload): Use INSN_P. (maybe_fix_stack_asms): Likewise. (calculate_needs_all_insns): Likewise. (reload_as_needed): Likewise. (emit_output_reload_insns): Likewise. (delete_address_reloads_1): Likewise. (reload_cse_regs_1): Likewise. (reload_combine): Likewise. (reload_cse_move2add): Likewise. * reorg.c (redundant_insn): Use INSN_P. (dbr_schedule): Likewise. * resource.c (find_dead_or_set_registers): Use INSN_P. (mark_target_live_regs): Likewise. * rtlanal.c (reg_used_between_p): Use INSN_P. (reg_referenced_between_p): Likewise. (reg_set_between_p): Likewise. (reg_set_p): Likewise. (single_set): Likewise. (multiple_sets): Likewise. (find_last_value): Likewise. (reg_set_last): Likewise. (find_reg_note): Likewise. (find_regno_note): Likewise. * sibcall.c (sequence_uses_addressof): Use INSN_P. * simplify-rtx.c (cselib_process_insn): Use INSN_P. * ssa.c (find_evaluations): Use INSN_P. (rename_block): Likewise. (rename_equivalent_regs): Likewise. * unroll.c (loop_find_equiv_value): Use INSN_P. (set_dominates_use): Likewise. * varasm.c (mark_constant_pool): Use INSN_P. (mark_constants): Likewise. * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P. (alphaev4_next_group): Likewise. (alphaev5_next_group): Likewise. * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P. (c4x_rptb_rpts_p): Likewise. * config/mips/mips.c (mips16_optimize_gp): Use INSN_P. * config/rs6000/rs6000.c (uses_TOC): Use INSN_P. (rs6000_adjust_priority): Likewise. * config/sh/sh.c (sh_loop_align): Use INSN_P. (machine_dependent_reorg): Likewise. (split_branches): Likewise. * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35494 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c: Fix formatting.law2000-07-311-38/+36
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35378 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE andrth2000-06-131-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE and hard-coded tests. (simplify_set): Likewise. (gen_lowpart_for_combine): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * global.c (find_reg): Likewise. * local-alloc.c (find_free_reg): Likewise. * recog.c (register_operand): Likewise. * regclass.c (init_reg_sets_1): Likewise. (record_operand_costs, regclass): Likewise. * reload.c (push_reload): Likewise. * reload1.c (choose_reload_regs): Likewise. * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE. * local-alloc.c (struct qty): Rename changes_size to changes_mode. Update all references. * regs.h (struct reg_info_def): Likewise. (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE. * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document. (CLASS_CANNOT_CHANGE_MODE_P): Likewise. * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename. (CLASS_CANNOT_CHANGE_MODE_P): New. * config/mips/mips.h: Likewise. * config/pa/pa32-regs.h: Likewise. * config/pa/pa64-regs.h: Likewise. * config/rs6000/rs6000.h: Likewise. * config/sh/sh.h: Likewise. * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New. (CLASS_CANNOT_CHANGE_MODE_P): New. * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code. * config/d30v/d30v.h: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34526 138bc75d-0d04-0410-961f-82ee72b054a4
* * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.kenner2000-05-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * reload.c (find_equiv_reg): Likewise. * alias.c (init_alias_analysis): Likewise. Only call prologue_epilogue_contains on insns. * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function. * bb-reorder.c (hard-reg-set.h): Include earlier. * haifa-sched.c (hard-reg-set.h): Likewise. * ifcvt.c (hard-reg-set.h): Likewise. * local-alloc.c (hard-reg-set.h): Likewise. * loop.c (hard-reg-set.h): Likewise. * predict.c (hard-reg-set.h): Likewise. * regrename.c (hard-reg-set.h): Likewise. * flow.c (hard-reg-set.h): Likewise. (reg_set_to_hard_reg_set): New function. * bitmap.c (regs.h, basic-block.h): No longer include. (bitmap.h): Now include. * conflict.c (hard-reg-set.h): Include. * profile.c (hard-reg-set.h): Likewise. * print-rtl.c (hard-reg-set.h): Likewise. * sbitmap.c (hard-reg-set.h): Likewise. * toplev.c (hard-reg-set.h): Likewise. * unroll.c (hard-reg-set.h, basic-block.h): Likewise. * hard-reg-set.h (reg_names): Now constant. * regs.h (reg_names): Likewise. * regclass.c (reg_names): Likewise. * loop.h (basic-block.h): No longer include. (bitmap.h): Now include. * reload1.c (order_regs_for_reload): Avoid loop over reg sets. * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes. (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34039 138bc75d-0d04-0410-961f-82ee72b054a4
* * Rework fields used to describe positions of bitfields andkenner2000-03-251-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | modify sizes to be unsigned and use HOST_WIDE_INT. * alias.c (reg_known_value_size): Now unsigned. * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position. (really_start_incremental_init): Use bitsize_zero_node. (push_init_level, pop_init_level, output_init_element): Likewise. Use bitsize_unit_node and bitsize_one_node. (output_pending_init_elements, process_init_element): Likewise. * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned. (make_extraction): Position and length HOST_WIDE_INT and unsigned HOST_WIDE_INT, respectively. (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT. (num_sign_bit_copies): Returns unsigned. BITWIDTH now unsigned; rework arithmetic. Remove recursive call from arg to MAX. (combine_instructions, init_reg_last_arrays): NREGS now unsigned. (setup_incoming_promotions, can_combine_p, try_combine, simplify_set): REGNO now unsigned. (set_nonzero_bit_and_sign_copies): NUM now unsigned. (find_split_point, expand_compound_operation, make_extraction): LEN now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT. (make_field_assignment): Likewise. (combine_simplify_rtx): Add cast. (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic. (force_to_mode): WIDTH now unsigned; add cast. (if_then_else_cond): SIZE now unsigned. (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned. (extended_count): Now returns unsigned. (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT. Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned. (simplify_comparison): MODE_WIDTH now unsigned. (update_table_tick): REGNO and ENDREGNO now unsigned; new var R. (mark_used_regs_combine): Likewise; rework arithmetic. (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned. (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise. (record_promoted_value): REGNO now unsigned. (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned. (get_last_value): REGNO now unsigned. (use_crosses_set_p): REGNO and ENDREGNO now unsigned. (reg_dead_regno, reg_dead_endregno): Now unsigned. (remove_death): Arg REGNO now unsigned. (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned. (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO now unsigned. * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned. * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned. (struct cse_reg_info): REGNO now unsigned. (cached_regno): Now unsigned. (REGNO_QTY_VALID_P): Add cast. (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned. (remove_invalid_regs): Likewise. (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned as are variables END and I. (get_cse_reg_info, insert): Likewise. (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned. (canon_hash): Likewise. (insert_regs, lookup_for_remove): REGNO now unsigned. (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned. New variable RN. * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0. * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast. * emit-rtl.c (subreg_realpart_p): Add cast. (operand_subword): Arg I is now unsigned as is var PARTWORDS. (operand_subword_force): Arg I is now unsigned. * except.c (eh_regs): Variable I is now unsigned. * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT. * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT; length is unsigned HOST_WIDE_INT; likewise for internal variables. (store_split_bit_field, extract_fixed_bit_field): Likewise. (extract_split_bit_field, store_bit_field, extract_bit_field): Likewise. * expr.c (store_constructor_fields, store_constructor, store_field): Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT. (expand_assignment, expand_expr, expand_expr_unaligned): Likewise. (do_jump): Likewise. (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces): MAX_SIZE is now unsigned. (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned. (emit_group_store): Likewise. (emit_move_insn): I now unsigned. (store_constructor): Use host_integerp, tree_low_cst, and bitsize_unit_node. (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT. Rework all calculations to use trees and new fields. * expr.h (promoted_input_arg): Regno now unsigned. (store_bit_field, extract_bit_field): Adjust types of pos and size. (mark_seen_cases): Arg is HOST_WIDE_INT. * flow.c (verify_wide_reg_1): REGNO now unsigned. * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT; precisions and alignments are unsigned. (optimize_bit_field_compare, fold_truthop): Likewise. (int_const_binop): Adjust threshold for size_int_type_wide call. (fold_convert): Likewise. (size_int_type_wide): Make table larger and fix thinko that only had half of table used. (all_ones_mask_p, fold): Precisions are unsigned. * function.c (put_reg_info_stack): REGNO is unsigned. (instantiate_decl): Size is HOST_WIDE_INT. (instantiate_virtual_regs): I is unsigned. (assign_parms): REGNO, REGNOI, and REGNOR are unsigned. (promoted_input_arg): REGNO is unsigned. * function.h (struct function): x_max_parm_reg is now unsigned. * gcse.c (max_gcse_regno): Now unsigned. (struct null_pointer_info): min_reg and max_reg now unsigned. (lookup_set, next_set): REGNO arg now unsigned. (compute_hash_table): REGNO and I now unsigned. (handle_avail_expr): regnum_for_replacing now unsigned. (cprop_insn): REGNO now unsigned. (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned. * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case. * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned. * hard-reg-set.h (reg_class_size): Now unsigned. * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO. * jump.c (mark_modified_reg): I now unsigned; add cast. (rtx_equal_for_thread_p): Add cast. * loop.c (max_reg_before_loop): Now unsigned. (struct_movable): REGNO now unsigned. (try_copy_prop): REGNO arg unsigned. (regs_match_p): XN and YN now unsigned. (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned. (strength_reduce): Likewise; NREGS also unsigned. (first_increment_giv, last_increment_giv unsigned): Now unsigned. * loop.h (struct iv_class): REGNO now unsigned. (max_reg_before_loop, first_increment_giv, last_increment_giv): Now unsigned. * machmode.h (mode_size, mode_unit_size): Now unsigned. (mode_for_size, smallest_mode_for_size): Pass size as unsigned. * optabs.c (expand_binop): I and NWORDS now unsigned. (expand_unop): I now unsigned. * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET. * real.c (significand_size): Now returns unsigned. * real.h (significand_size): Likewise. * regclass.c (reg_class_size): Now unsigned. (choose_hard_reg_mode): Both operands now unsigned. (record_reg_classes): REGNO and NR now unsigned. (reg_scan): NREGS now unsigned. (reg_scan_update): old_max_regno now unsigned. (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned. * reload.c (find_valid_class): BEST_SIZE now unsigned. (find_dummy_reload): REGNO, NWORDS, and I now unsigned. (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned. Likewise for variable R. (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned, as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R. (find_equiv_reg): Add casts. (regno_clobbered_p): Arg REGNO now unsigned. * reload.h (struct reload): NREGS now unsigned. (refers_to_regno_for_reload_p): Regno args are unsigned. (regno_clobbered_p): Likewise. * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned. (compute_use_by_pseudos): REGNO now unsigned. (find_reg): I and J now unsigned, new variable K, and change loop variables accordingly; THIS_NREGS now unsigned. (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned. (spill_hard_reg): REGNO arg now unsigned; add casts. (forget_old_reloads_1): REGNO, NR, and I now unsigned. (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned. (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO, END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned. (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned. (choose_reload_regs): MAX_GROUP_SIZE now unsigned. (emit_reload_insns): REGNO now unsigned. (reload_cse_move2add): Add cast. (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO and rework loop. * resource.c (mark_referenced_resources, mark_set_resources): New variable R; REGNO and LAST_REGNO now unsigned. (mark_target_live_regs): J and REGNO now unsigned. * rtl.c (mode_size, mode_unit_size): Now unsigned. * rtl.h (union rtunion_def): New field rtuint. (XCUINT): New macro. (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT. (operand_subword, operand_subword_force): Word number is unsigned. (choose_hard_reg_mode): Operands are unsigned. (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned. (find_regno_note, find_regno_fusage, replace_regs): Likewise. (regno_use_in, combine_instructions, remove_death): Likewise. (reg_scan, reg_scan_update): Likewise. (extended_count): Return is unsigned. * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I, INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO. (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned. (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned. (reg_reg_last_1): FIRS and LAST now unsigned. (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned. (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO now unsigned. (find_regno_note, regno_use_in): Arg REGNO now unsigned. (find_regno_fusage): Likewise; also var REGNOTE now unsigned. (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned. (replace_regs): Arg NREGS now unsigned. * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0. * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned. (simplify_binary_operation): Likewise. (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and THIS_LAST now unsigned. (cselib_record_set): Add cast. * ssa.c (ssa_max_reg_num): Now unsigned. (rename_block): REGNO now unsigned. * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT; sizes now unsigned. (all_cases_count): Just return -1 not -2. COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT. Rework tests to use trees whenever possible. Use host_integerp and tree_low_cst. (mark_seen_cases): COUNT arg now HOST_WIDE_INT; Likewise variable NEXT_NODE_OFFSET; XLO now unsigned. (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT. * stor-layout.c (mode_for_size): SIZE arg now unsigned. (smallest_mode_for_size): Likewise. (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT. KNOWN_ALIGN is now an alignment, so simplify code. Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type. (start_record_layout): Renamed from new_record_layout_info. Update to new fields. (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far): New functions. (place_union_field): Renamed from layout_union_field. Update to use new fields in rli. (place_field): Renamed from layout_field. Major rewrite to use new fields in rli; pass alignment to layout_decl. (finalize_record_size): Rework to use new fields in rli and handle union. (compute_record_mode): Rework to simplify and to use new DECL fields. (finalize_type_size): Make rounding more consistent. (finish_union_layout): Deleted. (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either. (layout_type, case RECORD_TYPE): Call new function names. (initialize_sizetypes): Set TYPE_IS_SIZETYPE. (set_sizetype): Set TYPE_IS_SIZETYPE earlier. (get_best_mode): UNIT is now unsigned; remove casts. * tree.c (bit_position): Compute from new fields. (byte_position, int_byte_position): New functions. (print_type_hash_statistics): Cast to remove warning. (build_range_type): Use host_integerp and tree_low_cst to try to hash. (build_index_type): Likewise; make subtype of sizetype. (build_index_2_type): Pass sizetype to build_range_type. (build_common_tree_nodes): Use size_int and bitsize_int to initialize nodes; add bitsize_{zero,one,unit}_node. * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK. (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise. (DECL_PACKED, DECL_BIT_FIELD): Likewise. (DECL_FIELD_BITPOS): Deleted. (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields. (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK. (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise. (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise. (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise. (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise. (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise. (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK. (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK. (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise. (DECL_ALIGN): Adjust to new field in union. (DECL_OFFSET_ALIGN): New field. (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK. (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK. (union tree_decl): Add struct for both aligns. (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}. (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added. (struct record_layout_info): Rework fields to have offset alignment and byte and bit position. (start_record_layout, place_field): Renamed from old names. (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls. (byte_position, int_byte_position): Likewise. (get_inner_reference): Change types of position and length. * unroll.c (unroll_loop): New variable R; use for some loops. MAX_LOCAL_REGNUM and MAXREGNUM now unsigned. (calculate_giv_inc): Arg REGNO now unsigned. (copy_loop_body): REGNO and SRC_REGNO now unsigned. * varasm.c (assemble_variable): Clean up handling of size using host_integerp and tree_low_cst. (decode_addr_const): Use byte, not bit, position. (output_constructor): bitpos and offsets are HOST_WIDE_INT; use tree_low_cst and int_bit_position. * objc/objc-act.c (build_ivar_list_initializer): Use byte_position. * ch/actions.c (check_missing_cases): BYTES_NEEDED is HOST_WIDE_INT. * ch/typeck.c (expand_constant_to_buffer): Use int_byte_position. (extract_constant_from_buffer): Likewise. * cp/class.c (build_vbase_pointer_fields): layout_field now place_field. (get_vfield_offset): Use byte_position. (set_rtti_entry): Set OFFSET to ssizetype zero. (get_binfo_offset_as_int): Deleted. (dfs_record_base_offsets): Use tree_low_cst. (dfs_search_base_offsets): Likewise. (layout_nonempty_base_or_field): Reflect changes in RLI format and call byte_position. (layout_empty_base): Convert offset to ssizetype. (build_base_field): use rli_size_unit_so_far. (dfs_propagate_binfo_offsets): Do computation in proper type. (layout_virtual_bases): Pass ssizetype to propagate_binfo_offsets. (layout_class_type): Reflect changes in RLI names and fields. (finish_struct_1): Set DECL_FIELD_OFFSET. * cp/dump.c (dequeue_and_dump): Call bit_position. * cp/expr.c (cplus_expand_constant): Use byte_position. * cp/rtti.c (expand_class_desc): Use bitsize_one_node. * cp/typeck.c (build_component_addr): Use byte_position and don't special case for zero offset. * f/com.c (ffecom_tree_canonize_ptr_): Use bitsize_zero_node. (ffecom_tree_canonize_ref_): Likewise. * java/class.c (make_field_value): Use byte_position. * java/expr.c (JAVA_ARRAY_LENGTH_OFFSET): Use byte_position. (java_array_data_offset): Likewise. * java/java-tree.h (MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC): Add case to bzero call. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32742 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix copyrights.law2000-02-261-1/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32178 138bc75d-0d04-0410-961f-82ee72b054a4
* * stupid.c: Die die die.rth2000-01-191-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (OBJS): Remove stupid.o. (stupid.o): Likewise. * except.c (emit_eh_context): Don't emit USEs for stupid. * explow.c (probe_stack_range): Likewise. * flags.h (obey_regdecls): Remove. * flow.c (find_basic_blocks): Don't run try_merge_blocks when not optimizing. (life_analysis): Limit data collection when not optimizing. (mark_regs_live_at_end): Always mark the return value registers. (mark_used_regs): Remove dummy RETURN case. (print_rtl_with_bb): Don't consult obey_regdecls. * function.c (use_variable, use_variable_after): Remove. (assign_parms): Consult optimize not obey_regdecls. (expand_function_start): Don't emit USEs for stupid. (expand_function_end): Likewise. * global.c (build_insn_chain): Export. * integrate.c (expand_inline_function): Kill return-value USE handling code. * jump.c (jump_optimize_1): Do simple jump optimizations and dead code elimination. (calculate_can_reach_end): Remove check_deleted argument. (delete_insn): Patch out insns even when not optimizing. * local-alloc.c (block_alloc): Don't do tying when not optimizing. * rtl.h (use_variable, use_variable_after): Remove declarations. (build_insn_chain): Declare. * stmt.c (expand_value_return): Don't emit USEs for stupid. (expand_end_bindings): Likewise. (expand_decl): Likewise. Consult optimize not obey_regdecls. * toplev.c (obey_regdecls): Remove. (rest_of_compilation): Don't set it. Kill stupid in favour of flow1, local-alloc, and reload. (main): Don't set obey_regdecls. * config/nextstep.c (handle_pragma): Likewise. * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid. * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31499 138bc75d-0d04-0410-961f-82ee72b054a4
* * ggc-common.c: PROTO -> PARAMS.ghazi2000-01-171-24/+24
| | | | | | | | | | | | | | | | | | | | | * ggc-page.c: Likewise. * ggc-simple.c: Likewise. * ggc.h: Likewise. * global.c: Likewise. * graph.c: Likewise. * gthr-win32.h: Likewise. * haifa-sched.c: Likewise. * halfpic.h: Likewise. * integrate.c: Likewise. * integrate.h: Likewise. * jump.c: Likewise. * lcm.c: Likewise. * local-alloc.c: Likewise. * loop.c: Likewise. * loop.h: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31458 138bc75d-0d04-0410-961f-82ee72b054a4
* * flow.c (mark_set_1): Use loop_depth+1 as reference weight.rth2000-01-061-1/+1
| | | | | | | | | | | | (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise. (count_reg_sets_1, count_reg_references): Likewise. (flow_loops_level_compute): Start counting actual loop depth at 1. (flow_loops_find): Likewise. * local-alloc.c (update_equiv_regs): Likewise. * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31259 138bc75d-0d04-0410-961f-82ee72b054a4
* * builtins.c (expand_builtin_strlen): Initialize variable `icode'.ghazi2000-01-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * calls.c (expand_call): Likewise for `old_stack_arg_under_construction'. * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'. * function.c (pad_to_arg_alignment): Likewise for `save_var' and `save_constant'. * gcc.c (execute): Likewise for `ut' and `st'. * genattrtab.c (attr_rtx): Likewise for `rt_val'. * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'. * jump.c (jump_optimize_1): Likewise for `temp2'. * local-alloc.c (block_alloc): Likewise for `r1'. * loop.c (recombine_givs): Likewise for `life_start' and `life_end'. * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'. (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'. * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node' and `set2'. * reload.c (find_reloads): Likewise for `goal_alternative_number' and `goal_earlyclobber'. * scan-decls.c (scan_decls): Likewise for `prev_id_end'. * sdbout.c (sdbout_one_type): Likewise for `member_scl'. * stupid.c (stupid_life_analysis): Likewise for `chain'. * unroll.c (copy_loop_body): Likewise for `copy'. * varasm.c (output_constructor): Likewise for `byte'. ch: * actions.c (update_else_range_for_int_const): Initialize variables `lowval' and `highval'. (update_else_range_for_range): Likewise for `low_range_val' and `high_range_val'. cp: * class.c (warn_hidden): Initialize variable `fndecl'. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31207 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (toplev.o): Depend on loop.h.ghazi1999-12-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dwarfout.c: Include tm_p.h. * emit-rtl.c (restore_emit_status): Mark parameter with ATTRIBUTE_UNUSED. * final.c (final_scan_insn): Likewise. * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find, flow_depth_first_order_compute, flow_loop_pre_header_find, flow_loop_tree_node_add, flow_loops_tree_build, flow_loop_level_compute, flow_loops_level_compute, flow_loop_outside_edge_p): Add prototypes. (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED. * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack): Mark with ATTRIBUTE_NORETURN. * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED. * local-alloc.c (no_conflict_p): Likewise. * loop.c (insert_bct): Hide definitions of variables with hidden usage. (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED. * regclass.c (memory_move_secondary_cost): Mark variable `mem' with ATTRIBUTE_UNUSED. (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED. (reg_scan): Likewise. * reload.c (find_reloads): Remove unused variables `changed'. * reload1.c (reload_reg_class_lower): Don't unnecessarily cast away const-ness. (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED. Remove unused variable `insn'. * toplev.c: Include loop.h. (report_file_and_line): Remove unnecessary prototype. * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED. * unroll.c (biv_total_increment): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@31085 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (qty): New structure and static variable.hubicka1999-11-241-157/+142
| | | | | | | | | | | | | | | | | | | | (qty_phys_reg): Remove, all references changed to qty. (qty_n_refs): Likewise. (qty_min_class): Likewise. (qty_birth): Likewise. (qty_death): Likewise. (qty_size): Likewise. (qty_mode): Likewise. (qty_n_calls_crossed): Likewise. (qty_alternate_class): Likewise. (qty_changes_size): Likewise. (qty_first_reg): Likewise. (alloc_qty): Rename variable QTY to QTYNO. (finf_free_reg): Likewise. (local_alloc): Allocate qty, do not allocate the removed variables. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30651 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.mmitchel1999-11-061-15/+14
| | | | | | | | | | | (update_equiv_regs): Likewise. (block_alloc): Likewise. * reg-stack.c (reg_to_stack): Likewise. (convert_regs_2): Likewise. * reload1.c (reload_as_needed): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30434 138bc75d-0d04-0410-961f-82ee72b054a4
* * bitmap.h (BITMAP_XFREE): New.rth1999-11-051-0/+1
| | | | | | | | | | | | | | | | | | | | | * flow.c (life_analysis): Use it. (life_analysis_1): Free blocks. * combine.c (undo_commit): New. (try_combine): Use it. Don't zap undobuf.undos. (combine_instructions): Don't zap undobuf.undos; free the undobuf.frees list. * local-alloc.c (local_alloc): Free qty_phys_num_sugg. * stmt.c (cost_table_): New. (estimate_case_costs): Use it instead of xmalloc. * toplev.c (compile_file): Reuse dumpname memory instead of strdup'ing it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30404 138bc75d-0d04-0410-961f-82ee72b054a4
* * cse.c (cse_main): Use xmalloc, not alloca.rth1999-11-041-15/+31
| | | | | | | | (cse_basic_block): Likewise. * local-alloc.c (local_alloc): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30399 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtl.h (note_stores): Add additional paramter.mmitchel1999-10-271-14/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * rtlanal.c (reg_set_p_1): Take additional paramter. (reg_set_last_1): Likewise. (reg_set_p): Adjust call to note_stores. (reg_set_last): Likewise. (note_stores): Pass data parameter to worker function. * alias.c (record_set): Take additional parameter. (init_alias_analysis): Pass it. * caller-save.c (mark_set_regs): Take additional parameter. (save_call_clobbered_regs): Pass NULL to note_stores. * combine.c (set_nonzero_bits_and_sign_copies): Take additional parameter. (record_dead_and_set_regs_1): Likewise. (reg_dead_at_p_1): Likewise. (combine_instructions): Adjust calls to note_stores. (try_combine): Likewise. (record_dead_insn): Remove. (record_dead_and_set_regs): Adjust calls to note_stores. (reg_dead_at_p): Likewise. * cse.c (invalidate_skipped_set): Take additional parameter. (cse_check_loop_start): Likewise. (cse_check_loop_start_value): Remove. (cse_set_around_loop): Adjust calls to note_stores. * flow.c (notice_stack_pointer_modification): Take additional parameter. Remove duplicate declaration. (record_volatile_insns): Adjust calls to note_stores. * gcse.c (record_set_info): Take additional parameter. (record_last_set_info): Likewise. (invalidate_nonnull_info): Likewise. (record_set_insn): Remove. (compute_sets): Adjust calls to note_stores. (last_set_insn): Remove. (compute_hash_table): Adjust calls to note_stores. (insert_insn_end_bb): Likewise. (delete_null_pointer_checks): Likewise. * global.c (mark_reg_store): Take additional parameter. (mark_reg_clobber): Likewise. (reg_becomes_live): Likewise. (global_conflicts): Adjust calls to note_stores. (build_insn_chain): Likewise. * integrate.c (note_modified_parmregs): Take additional parameter. (mark_stores): Likewise. Make it static. (save_for_inline_nocopy): Adjust calls to note_stores. (try_constants): Likewise. * integrate.h (mark_stores): Remove declaration. * jump.c (mark_modified_reg): Take additional parameter. (thread_jumps): Adjust calls to note_stores. * local-alloc.c (validate_equiv_mem_from_store): Take additional parameter. (no_equiv): Likewise. (reg_is_set): Likewise. (validate_equiv_mem): Adjust calls to note_stores. (update_equiv_regs): Likewise. (block_alloc): Likewise. * loop.c (note_set_pseudo_multiple_uses_retval): Remove. (note_addr_stored): Take additional parameter. (note_set_pseudo_multiple_uses): Likewise. (record_initial): Likewise. (prescan_loop): Adjust calls to note_stores. (strength_reduce): Likewise. (check_dbra_loop): Likewise. * regmove.c (flags_set_1): Take additional paramter. (mark_flags_life_zones): Adjust calls to note_stores. * reload1.c (mark_not_eliminable): Take additional parameter. (forget_old_reloads_1): Likewise. (reload_cse_invalidate_rtx): Likewise. (reload_cse_check_clobber): Likewise. (reload_combine_note_store): Likewise. (move2add_note_store): Likewise. (reload): Adjust calls to note_stores. (reload_as_needed): Likewise. (emit_reload_insns): Likewise. (reload_cse_regs_1): Likewise. (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx. (reload_combine): Adjust calls to note_stores. * resource.c (update_live_status): Take additional paramter. (mark_target_live_regs): Adjust calls to note_stores. * stupid.c (find_clobbered_regs): Take additional parameter. (stupid_life_analysis): Adjust calls to note_stores. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30221 138bc75d-0d04-0410-961f-82ee72b054a4
* * alias.c (init_alias_analysis): Allocate reg_known_value andmmitchel1999-10-271-0/+3
| | | | | | | | | | | | | reg_known_equiv_p on the heap. Likewise for new_reg_base_value and reg_seen. (end_alias_analysis): Free reg_known_value and reg_known_equiv_p. * cse.c (cse_main): Call end_alias_analysis. * haifa-sched.c (schedule_insns): Likewise. * local-alloc. (update_equiv_regs): Likewise. * reload1.c (reload_cse_regs): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30217 138bc75d-0d04-0410-961f-82ee72b054a4
* * c-parse.in (cast_expr): Constify.ghazi1999-10-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | * cccp.c (special_symbol): Likewise. * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise. * dwarf2out.c (base_type_die): Likewise. * global.c (allocno_compare): Likewise. * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise. * regclass.c (fix_register): Likewise. * rtl.h (fix_register): Likewise. * stupid.c (stupid_reg_compare): Likewise. * toplev.c (decode_f_option): Likewise. * tree.c (build_complex_type): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30196 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (update_equiv_regs): Check the correct insnlaw1999-10-211-1/+2
| | | | | | | for pre-existing REG_EQUIV notes. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30111 138bc75d-0d04-0410-961f-82ee72b054a4
* Delete !REGISTER_CONSTRAINTS codecrux1999-10-011-30/+3
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29753 138bc75d-0d04-0410-961f-82ee72b054a4
* Make it possible to prototype port-specific functions (and convert i386 to ↵crux1999-09-201-0/+1
| | | | | | use this) git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29514 138bc75d-0d04-0410-961f-82ee72b054a4
* Replace recog_foo with recog_data.foo.rth1999-09-121-17/+17
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29349 138bc75d-0d04-0410-961f-82ee72b054a4
* * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,ghazi1999-09-081-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF, ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3, ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete. * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR. * cccp.c (pcfinclude): Likewise. * global.c (allocno_compare): Likewise. * haifa-sched.c (rank_for_schedule): Likewise. * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise. * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise. * stupid.c (stupid_reg_compare): Likewise. * tree.c (_obstack_allocated_p): Likewise. * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29208 138bc75d-0d04-0410-961f-82ee72b054a4
* Merge in gcc2-ss-010999law1999-09-071-1/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29150 138bc75d-0d04-0410-961f-82ee72b054a4
* 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>zack1999-08-311-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and bounds- check RTL accesses if --enable-checking. (RTVEC_ELT): Bounds check if --enable-checking. (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate. (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and GET_NUM_ELEM. (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE, X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes. (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS. (NOTE_SOURCE_FILE): Use X0STR. (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES, MEM_ALIAS_SET): Use X0INT. (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN): Use X0EXP. * real.h (CONST_DOUBLE_CHAIN): Use X0EXP. * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT. (rtl_check_failed_bounds, rtl_check_failed_type1, rtl_check_failed_type2, rtvec_check_failed_bounds): New functions. (fancy_abort): Fix comment. * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT. (cse_insn): Decrement LABEL_NUSES for jump target before deleting jump insn. * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1. * final.c (alter_subreg): Compute regno before changing x to REG; set REGNO(x) after changing it. * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION notes containing CONST_INTs. (delete_eh_regions): Use NOTE_EH_HANDLER. * function.c (put_reg_into_stack): Make reg a MEM before initializing it. (fixup_var_refs_insns): Save REG_NOTES (insn) in case we delete insn. (gen_mem_addressof): Make reg a MEM before initializing it. * integrate.c (copy_rtx_and_substitute): Copy '0' slots with X0WINT. * local-alloc.c (update_equiv_regs): Zap REG_NOTES before deleting an insn, not after. (block_alloc): Only look at PATTERN(insn) if we have to, and only if it's format class 'i'. * loop.c (check_dbra_loop): Check bl->biv->add_val is a CONST_INT before using its INTVAL. * print-rtl.c (print_rtx): Use X0STR. * regmove.c (fixup_match_1): Don't look at PATTERN of non-class-'i' insn chain elements. * reload.c (loc_mentioned_in_p): Take address of in->fld[1].rtx directly. * reload1.c (reload): Change reg to a MEM before initializing it. * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which have no names. * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29008 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtl.h (rtx_format): Constify a char*.ghazi1999-08-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * rtl.c (rtx_format): Likewise. (copy_rtx, copy_most_rtx, read_rtx): Likewise. (init_rtl): Use accessor macro, not `rtx_format'. * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a char*. * caller-save.c (mark_referenced_regs): Likewise. * combine.c (subst, make_compound_operation, known_cond, gen_rtx_combine, update_table_tick, get_last_value_validate, use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise. * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p, refers_to_p, canon_reg, fold_rtx, cse_process_notes, count_reg_usage): Likewise. * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags): Likewise. * final.c (leaf_renumber_regs_insn): Likewise. * flow.c (mark_used_regs, find_use_as_address, dump_flow_info, dump_edge_info, count_reg_references): Likewise. * function.c (fixup_var_refs_1, walk_fixup_memory_subreg, fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1): Likewise. * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p, oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs, add_label_notes): Likewise. * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask, clear_struct_flag, count_sub_rtxs, count_alternatives, compares_alternatives_p, contained_in_p, walk_attr_value, write_expr_attr_cache): Likewise. * genconfig.c (walk_insn_part): Likewise. * genemit.c (max_operand_1, gen_exp): Likewise. * genextract.c (walk_rtx): Likewise. * genflags.c (num_operands): Likewise. * genoutput.c (scan_operands): Likewise. * genpeep.c (match_rtx): Likewise. * genrecog.c (add_to_sequence): Likewise. * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths): Likewise. * integrate.c (save_constants, copy_for_inline, copy_rtx_and_substitute, subst_constants, restore_constants): Likewise. * jump.c (mark_jump_label, invert_exp, redirect_exp, rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise. * local-alloc.c (contains_replace_regs, memref_referenced_p): Likewise. * loop.c (record_excess_regs, rtx_equal_for_loop_p, add_label_notes, replace_call_address, count_nonfixed_reads, invariant_p, find_single_use_in_loop, find_mem_givs, find_life_end, maybe_eliminate_biv_1, update_reg_last_use): Likewise. * print-rtl.c (reg_names, print_rtx): Likewise. * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise. * reg-stack.c (stack_regs_mentioned_p, record_label_references, record_reg_life_pat, swap_rtx_condition, goto_block_pat, print_blocks): Likewise. * regclass.c (fix_register, record_address_regs, reg_scan_mark_refs): Likewise. * regmove.c (stable_but_for_p): Likewise. * reload.c (loc_mentioned_in_p, operands_match_p, find_reloads_toplevsubst_reg_equivs, find_reloads_address_1, copy_replacements, refers_to_regno_for_reload_p, refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p, reload_when_needed_name, reg_class_names, debug_reload_to_stream): Likewise. * reload1.c (eliminate_regs, scan_paradoxical_subregs, delete_address_reloads_1, count_occurrences, reload_cse_mem_conflict_p, reload_combine_note_use, add_auto_inc_notes): Likewise. * resource.c (mark_referenced_resources, mark_set_resources): Likewise. * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p, reg_mentioned_p, regs_set_between_p, modified_between_p, modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p, rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p, may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs, jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise. * sched.c (sched_analyze_2, attach_deaths): Likewise. * stupid.c (stupid_mark_refs): Likewise. * unroll.c (remap_split_bivs): Likewise. * varasm.c (mark_constants): Likewise. * a29k/a29k.c (uses_local_reg_p): Likewise. * alpha/alpha.c (summarize_insn): Likewise. * arm/arm.c (symbol_mentioned_p, label_mentioned_p, eliminate_lr2ip): Likewise. * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise. * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx, reg_mentioned_in_mem): Likewise. * ns32k/ns32k.c (global_symbolic_reference_mentioned_p, symbolic_reference_mentioned_p): Likewise. * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise. * sh/sh.c (regs_used, mark_use): Likewise. * vax/vax.c (vax_rtx_cost): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@28784 138bc75d-0d04-0410-961f-82ee72b054a4
* Include function.h in most files. Remove most of the global variablescrux1999-08-091-0/+1
| | | | | | | | | duplicated in function.h. Add accessor macros for them which access current_function. Delete INLINE_HEADER rtx and related code, replace with code using struct function to store inlining related data. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@28626 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtl.h (local_alloc): Returns an integer now.law1999-04-101-1/+22
| | | | | | | | | | | | | * local-alloc.c (recorded_label_ref): New file scoped variable. (local_alloc): Initialize recorded_label_ref to zero. Return its value when local allocation has completed. (update_equiv_regs); If we create an equivalence for a LABEL_REF, set recorded_label_ref. * toplev.c (rest_of_compilation): Run the loop optimizer after register allocation and reloading if needed. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26324 138bc75d-0d04-0410-961f-82ee72b054a4
* Warning fixes:ghazi1999-03-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | * c-lex.c (yylex): Remove unused variable `bytes'. * flow.c (print_rtl_with_bb): Cast the return value of alloca. * function.c (assign_parms): Wrap variable `varargs_setup' in macro SETUP_INCOMING_VARARGS. (thread_prologue_and_epilogue_insns): Mark parameter `f' with ATTRIBUTE_UNUSED. * local-alloc.c (no_equiv): Likewise for parameter `store'. * sched.c (schedule_insns): Remove unused variables `insn' and `next'. * tlink.c (symbol_hash_newfunc, symbol_hash_lookup, file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc, demangled_hash_lookup, symbol_push, symbol_pop, file_push, file_pop, tlink_init, tlink_execute, frob_extension, obstack_fgets, tfgets, pfgets, freadsym, read_repo_file, maybe_tweak, recompile_files, read_repo_files, demangle_new_symbols, scan_linker_output): Add static prototype. (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc): Make the third argument a `hash_table_key'. * toplev.c (debug_start_source_file): Mark parameter `filename' with ATTRIBUTE_UNUSED. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25871 138bc75d-0d04-0410-961f-82ee72b054a4
* Fix performance problem on SH with unnecessary move instructions.wilson1999-03-081-0/+5
| | | | | | | | * local-alloc.c (combine_regs): Don't combine if we have a hard reg for which CLASS_LIKELY_SPILLED_P is true. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25644 138bc75d-0d04-0410-961f-82ee72b054a4
* Flow rewrite to use basic block structures and edge lists.rth1999-02-251-2/+3
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@25450 138bc75d-0d04-0410-961f-82ee72b054a4
* * final.c (bb_str): Qualify a char* with the keyword `const'.ghazi1999-01-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | (add_bb_string, final_scan_insn, output_asm_insn): Likewise. * fix-header.c (read_scan_file): Likewise. * genoutput.c (output_epilogue, process_template): Likewise. * local-alloc.c (requires_inout, block_alloc): Likewise. * output.h (output_asm_insn, assemble_string): Likewise. * recog.c (recog_constraints, check_asm_operands, decode_asm_operands, extract_insn, preprocess_constraints, constrain_operands): Likewise. * recog.h (operand_alternative, recog_constraints, insn_template, insn_outfun, insn_operand_constraint, insn_name): Likewise. * regclass.c (record_reg_classes, scan_one_insn): Likewise. * regmove.c (find_matches): Likewise. * reload.c (alternative_allows_memconst): Likewise. * reload1.c (constraint_accepts_reg_p, reload_cse_simplify_operands): Likewise. * rtl.h (decode_asm_operands): Likewise. * scan.h (fn_decl): Likewise. * varasm.c (assemble_string): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24834 138bc75d-0d04-0410-961f-82ee72b054a4
* Update copyrights.rth1999-01-111-1/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24624 138bc75d-0d04-0410-961f-82ee72b054a4
* * basic-block.h (basic_block_head): Rename to x_basic_block_head.rth1999-01-111-7/+7
| | | | | | | | | | | | | (basic_block_end): Rename to x_basic_block_end. (BLOCK_HEAD, BLOCK_END): Update. * caller-save.c: Change basic_block_head/end references to BLOCK_HEAD/END. * combine.c, flow.c, function.c, gcse.c, global.c: Likewise. * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise. * regmove.c, reload1.c, reorg.c, sched.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24622 138bc75d-0d04-0410-961f-82ee72b054a4
* * pa.h (DONT_RECORD_EQUIVALENCE): Kill.law1999-01-061-16/+0
| | | | | | | | * local-alloc.c (update_equiv_regs): Corresponding changes. * tm.texi (DONT_RECORD_EQUIVALENCE): Kill. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24541 138bc75d-0d04-0410-961f-82ee72b054a4
* * rtlanal.c (multiple_sets): New function.law1998-12-121-2/+9
| | | | | | | | | | * rtl.h (multiple_sets): Declare it. * local-alloc.c (wipe_dead_reg): Use it. * global.c (global_conflicts): Likewise. Should fix the m68k bootstrap problems. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24283 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (block_alloc): Slightly retune heuristic to widenlaw1998-12-071-4/+5
| | | | | | | | | qty lifetimes. Actually check in the local-alloc patch that goes along with this ChangeLog entry... git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24171 138bc75d-0d04-0410-961f-82ee72b054a4
* * local-alloc.c (function_invariant_p): New function.amylaar1998-12-011-2/+18
| | | | | | | | | | | | | | | | | | | (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P to decide if an equivalence should be recorded. * reload1.c (num_eliminable_invariants): New static variable. (reload): Set it. Use function_invariant_p instead of CONSTANT_P to decide if an equivalence should be recorded. Unshare PLUS. (calculate_needs_all_insns): Skip insns that only set an equivalence. Take num_eliminable_invariants into account when deciding if register elimination should be done. (reload_as_needed): Take num_eliminable_invariants into account when deciding if register elimination should be done. (eliminate_regs): Handle non-constant reg_equiv_constant. * rtl.h (function_invariant_p): Declare. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@24026 138bc75d-0d04-0410-961f-82ee72b054a4