aboutsummaryrefslogtreecommitdiff
path: root/gcc/alias.c
AgeCommit message (Collapse)AuthorFilesLines
2004-03-30gengtype.c (create_option): New function.Zack Weinberg1-1/+1
* gengtype.c (create_option): New function. * gengtype.h: Prototype it. * gengtype-yacc.y (stringseq): New rule. (option): Use create_option. Add new bare ID production. Use stringseq, not STRING directly. * alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h * dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h * varray.h, config/alpha/alpha.c, cp/name-lookup.c, cp/parser.c * f/com.c, java/builtins.c, java/expr.c, java/jcf.h, java/parse.h: Use new shorter form of GTY markers. * doc/gty.texi: Rewrite. From-SVN: r80091
2004-03-24alias.c (alias_invariant, [...]): Mark GTY.Richard Henderson1-39/+98
* alias.c (alias_invariant, alias_invariant_size): Mark GTY. (reg_known_value, reg_known_value_size): Likewise; make static. (reg_known_equiv_p): Make static. (clear_reg_alias_info): Update for new indexing. (get_reg_known_value, set_reg_known_value): New. (get_reg_known_equiv_p, set_reg_known_equiv_p): New. (canon_rtx): Use them. (init_alias_analysis): Likewise. Allocate reg_known_value with gc. Don't play queer offsetting games with reg_known_value and reg_known_equiv_p. (end_alias_analysis): Free reg_known_value with gc. * rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare. * sched-deps.c (reg_known_equiv_p, reg_known_value): Remove. (deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new functions instead. From-SVN: r79945
2004-03-23alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL.Richard Kenner1-2/+5
* alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL. * c-common.c (handle_mode_attribute): Add extra arg to build_pointer_type_for_mode and build_reference_type_for_mode. * c-typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW for INTEGER_CST. * tree.c (build_pointer_type_for_mode): Add arg CAN_ALIAS_ALL. Chain pointers via TYPE_NEXT_PTR_TO. (build_reference_type_for_mode): Similarly. (build_type_no_quals): Add extra arg to build_pointer_type_for_mode and build_reference_type_for_mode. (tree_check4_failed): New function. * tree.h (TREE_CHECK4, PTR_OR_REF_CHECK): New macros. (TYPE_REF_CAN_ALIAS_ALL, TYPE_NEXT_PTR_TO, TYPE_NEXT_REF_TO): Likewise. (TREE_NO_UNSUED_WARNING, TREE_VIA_VIRTUAL, TREE_CONSTANT_OVERFLOW): Add check. * cp/typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW for INTEGER_CST. * ada/decl.c (gnat_to_gnu_entity, case E_Access_Type): Pass value of No_Strict_Aliasing to build_pointer_type_for_mode. * ada/utils.c (update_pointer_to): Walk pointer and ref chains. From-SVN: r79873
2004-03-21alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.Richard Kenner1-19/+6
* alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR. * emit-rtl.c (component_ref_for_mem_expr): Likewise. (set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR. * explow.c (expr_size): Likewise. * expr.h (placeholder_list, find_placeholder): Deleted. * expr.c (store_constructor): Likewise. (get_inner_reference): Likewise. Also don't call find_placeholder. (placeholder_list, find_placeholder): Deleted. (is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR. (expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise. (highest_pow2_factor, case WITH_RECORD_EXPR): Remove. * dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise. * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR): Likewise. * fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise. (extract_muldiv, case WITH_RECORD_EXPR): Likewise. * tree.c (expr_align, case WITH_RECORD_EXPR): Likewise. (contains_placeholder_p): Don't handle WITH_RECORD_EXPR. Clean up by using first_rtl_op. (substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call. (substitute_placeholder_in_expr): New function. * tree.def (WITH_RECORD_EXPR): Deleted. * tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New. (substitute_placeholder_in_expr): New. * ada/decl.c (gnat_to_gnu_entity): Use SUBSTITUTE_PLACEHOLDER_IN_EXPR. * ada/trans.c (tree_transform, emit_index_check): Likewise. * ada/utils.c (build_template): Likewise. (max_size, convert): Remove handling of WITH_RECORD_EXPR. (maybe_unconstrained_array, unchecked_convert): Likewise. * ada/utils2.c (gnat_truthvalue_conversion, build_binary_op): Likewise. (build_unary_op): Likewise. (compare_arrays, build_allocator): Use SUBSTITUTE_PLACEHOLDER_IN_EXPR. (fill_vms_descriptor): Likewise. (build_call_alloc_dealloc): Likewise. ALIGN is unsigned. * ada/gigi.h (build_call_alloc_dealloc): Alignment is unsigned. From-SVN: r79789
2004-03-20alias.c, [...]: Replace calls via (*targetm.foo) () with targetm.foo ().Kazu Hirata1-1/+1
* alias.c, attribs.c, bt-load.c, builtins.c, c-common.c, c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c, cse.c, dbxout.c, dwarf2out.c, except.c, final.c, haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c, sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c, vmsdbgout.c: Replace calls via (*targetm.foo) () with targetm.foo (). From-SVN: r79729
2004-03-18alias.c (record_set): Detect the case where a register is assigned a new ↵Richard Sandiford1-5/+16
value that has the same base... * alias.c (record_set): Detect the case where a register is assigned a new value that has the same base term as the old one. From-SVN: r79629
2004-03-14alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) () with ↵Roger Sayle1-2/+2
lang_hooks.foo (). * alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) () with lang_hooks.foo (). * builtins.c (expand_builtin_va_arg): Likewise. * c-common.c (fname_as_string, c_common_truthvalue_conversion, c_common_type_for_mode, c_common_nodes_and_builtins, handle_mode_attribute, handle_vector_size_attribute): Likewise. * c-convert.c (convert): Likewise. * c-format.c (check_format_types): Likewise. * c-objc-common.c (c_tree_printer): Likewise. * c-typeck.c (build_unary_op, build_conditional_expr, build_binary_op): Likewise. * calls.c (try_to_integrate, expand_call, emit_library_call_value_1): Likewise. * cgraph.c (cgraph_node_name, cgraph_function_possibly_inlined_p): Likewise. * cgraphunit.c (record_call_1, cgraph_analyze_function, cgraph_expand_function): Likewise. * convert.c (convert_to_pointer, convert_to_integer): Likewise. * coverage.c (build_fn_info_type, build_ctr_info_type, build_gcov_info, create_coverage): Likewise. * dbxout.c (dbxout_init): Likewise. * diagnostic.c (diagnostic_report_current_function): Likewise. * dojump.c (do_jump): Likewise. * dwarf2out.c (dwarf2_name): Likewise. * except.c (init_eh): Likewise. * explow.c (expr_size, int_expr_size): Likewise. * expmed.c (make_tree, const_mult_add_overflow_p, expand_mult_add): Likewise. * expr.c (store_expr, store_constructor, safe_from_p, expand_expr_real, do_store_flag, try_casesi): Likewise. * function.c (push_function_context_to, pop_function_context_from, free_after_parsing, assign_stack_local_1, assign_stack_temp_for_type, put_var_into_stack, allocate_struct_function, current_function_name): Likewise. * integrate.c (copy_decl_for_inlining, expand_inline_function): Likewise. * langhooks.c (lhd_clear_binding_stack, write_global_declarations, lhd_print_error_function): Likewise. * opts.c (handle_option, decode_options): Likewise. * passes.c (open_dump_file): Likewise. * print-tree.c (print_node): Likewise. * stmt.c (expand_fixup, fixup_gotos, expand_asm_operands, expand_decl_cleanup, emit_case_nodes): Likewise. * stor-layout.c (variable_size): Likewise. * toplev.c (announce_function, wrapup_global_declarations, check_global_declarations, compile_file, default_tree_printer, process_options, lang_dependent_init, finalize): Likewise. * tree-dump.c (dequeue_and_dump): Likewise. * tree-inline.c (remap_decl, remap_block, copy_body_r, initialize_inlined_parameters, declare_return_variable, inlinable_function_p, expand_call_inline, optimize_inline_calls, walk_tree, copy_tree_r): Likewise. * tree-optimize.c (tree_rest_of_compilation): Likewise. * tree.c (decl_assembler_name, tree_size, size_in_bytes, staticp, unsafe_for_reeval, get_unwidened, get_narrower, get_callee_fndecl, variably_modified_type_p, dump_tree_statistics): Likewise. * varasm.c (assemble_variable, compare_constant, copy_constant, force_const_mem, compute_reloc_for_constant, output_constant, output_addressed_constants, initializer_constant_valid_p): Likewise. From-SVN: r79481
2004-03-09New option -Wstrict-aliasing=2.James E Wilson1-0/+13
* alias.c (alias_sets_might_conflict_p): New. * c-typeck.c (build_c_cast): Call it if warn_strict_aliasing > 1. * common.opt (Wstrict-aliasing=): New. * flags.h (warn_strict_aliasing): Change type to int. * opts.c (warn_strict_aliasing): Change type to int. (common_handle_option): Handle OPT_Wstrict_aliasing_. * tree.h (alias_sets_might_conflict_p): Declare it. * doc/invoke.tex (-Wstrict-aliasing=2): Document it. From-SVN: r79222
2004-03-03alias.c (rtx_equal_for_memref_p): Use predicates to test rtx classes and new ↵Paolo Bonzini1-4/+4
rtx class codes... 2004-02-07 Paolo Bonzini <bonzini@gnu.org> * alias.c (rtx_equal_for_memref_p): Use predicates to test rtx classes and new rtx class codes, possibly splitting conditionals that tested against '<' and 'o'. * caller-save.c (save_call_clobbered_regs): Likewise. * combine.c (contains_muldiv, find_split_point, subst, combine_simplify_rtx, simplify_if_then_else, simplify_set, simplify_logical, expand_compound_operation, make_compound_operation, if_then_else_cond, known_cond, apply_distributive_law, cached_nonzero_bits, cached_num_sign_bit_copies, simplify_shift_const, gen_binary, simplify_comparison, update_table_tick, record_value_for_reg, get_lsat_value_validate): Likewise. * cse.c (mention_regs, find_best_addr, find_comparison_args, fold_rtx, cse_insn, invalidate_memory, cse_basic_block): Likewise. * emit-rtl.c (copy_insn_1): Likewise. * expr.c (force_operand): Likewise. * final.c (final_scan_insn, get_mem_expr_from_op): Likewise. * flow.c (notice_stack_pointer_modification_1, invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond): Likewise. * function.c (update_epilogue_consts): Likewise. * genattrtab.c (attr_rtx_1): Likewise. * genopinit.c (gen_insn): Likewise. * integrate.c (subst_constants): Likewise. * jump.c (reversed_comparison_code_parts, reversed_comparison_code, delete_related_insns, rtx_renumbered_equal_p): Likewise. * local-alloc.c (block_alloc): Likewise. * loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv, canonicalize_condition): Likewise. * loop-iv.c (simplify_using_conditions, iv_number_of_iterations): Likewise. * optabs.c (add_equal_node, expand_binop): Likewise. * predict.c (estimate_probability): Likewise. * ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise. * recog.c (validate_replace_rtx_1, comparison_operator, offsettable_address_p, constrain_operands): Likewise. * reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat): Likewise. * regclass.c (scan_one_insn): Likewise. * regmove.c (stable_and_no_regs_but_for_p): Likewise. * regrename.c (kill_autoinc_value): Likewise. * reload.c (find_reusable_reload, find_reloads, reg_overlap_mentioned_for_reload_p): Likewise. * reload1.c (gen_reload, delete_address_reloads_1): Likewise. * rtl.c (copy_rtx): Likewise. * rtl.h (CONSTANT_P, INSN_P): Likewise. * rtlanal.c (commutative_operand_precedence): Likewise. * sched-deps.c (conditions_mutex_p): Likewise. * sched-rgn.c (is_cfg_nonregular): Likewise. * simplify-rtx.c (simplify_gen_binary, simplify_gen_relational, simplify_replace_rtx, simplify_unary_operation, simplify_binary_operation, simplify_ternary_operation, simplify_rtx): Likewise. * unroll.c (reg_dead_after_loop): Likewise. * config/alpha/alpha.c (alpha_swapped_comparison_operator, print_operand): Likewise. * config/arc/arc.c (proper_comparison_operator): Likewise. * config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode): Likewise. * config/avr/avr.c (_reg_unused_after): Likewise. * config/frv/frv.c (frv_ifcvt_modify_tests, frv_ifcvt_modify_insn, frv_pack_insn): Likewise. * config/i386/i386.c (ix86_comparison_operator, ix86_carry_flag_operator, fcmov_comparison_operator, arith_or_logical_operator, print_operand, ix86_expand_binary_operator, ix86_binary_operator_ok): Likewise. * config/i386/i386.md: Likewise. * config/ia64/ia64.c (not_postinc_memory_operand, ia64_print_operand, update_set_flags, errata_emit_nops): Likewise. * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS, CONSTRAINT_OK_FOR_S): Likewise. * config/ip2k/ip2k.c (mdr_resequence_xy_yx, mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref, ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p, ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator): Likewise. * config/iq2000/iq2000.c (cmp_op, symbolic_expression_p, eqne_comparison_operator, signed_comparison_operator): Likewise. * config/mips/mips.c (cmp_op, symbolic_expression_p): Likewise. * config/mmix/mmix (mmix_foldable_comparison_operator, mmix_comparison_operator): Likewise. * config/pa/pa.c (hppa_legitimize_address): Likewise. * config/rs6000/rs6000.c (stmw_operation, branch_comparison_operator, trap_comparison_operator, ccr_bit): Likewise. * config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise. * config/s390/s390.c (s390_alc_comparison, s390_slb_comparison):L Likewise. * config/sh/sh.c (gen_block_redirect, reg_unused_after): Likewise. * config/sparc/sparc.c (eq_or_neq, normal_comp_operator, noov_compare_op, noov_compare64_op, v9_regcmp_op, emit_hard_tfmode_operation, reg_unused_after) * doc/md.texi, doc/rtl.texi: Likewise. * ra-debug.c: Add 2004 to list of copyright years. * unroll.c: Likewise. * combine.c (simplify_logical): Remove dummy test, (apply_distributive_law): Fix typo in comment. GET_CODE (x) == AND so x is a commutative binary op. * jump.c (delete_related_insns): simplify loop condition, move testing of RTX codes inside the loop. (rtx_renumbered_equal_p): do not use RTX_CODE. * rtl.c (rtx_class): Declare as enum rtx_class. * rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED): Move to RTX_COMM_COMPARE class. (HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE): Move to RTX_CONST_OBJ class. * rtl.h (enum rtx_class): New declaration, (RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK, RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT, RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK, RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT, RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P, ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P, SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P, OBJECT_P): New macros. * config/sparc/sparc.c (noov_compare_op): Remove register from parameter. From-SVN: r78824
2004-02-21alias.c (OUTGOING_REGNO): Don't define the default.Kazu Hirata1-3/+0
* alias.c (OUTGOING_REGNO): Don't define the default. * builtins.c (OUTGOING_REGNO): Likewise. (INCOMING_REGNO): Likewise. (apply_args_register_offset): Always use OUTGOING_REGNO. * combine.c (OUTGOING_REGNO): Likewise. * sibcall.c (OUTGOING_REGNO): Likewise. * defaults.h (INCOMING_REGNO): Provide the default. (OUTGOING_REGNO): Likewise. From-SVN: r78203
2004-02-03alias.c (find_base_term, get_addr): Do not dereference NULL pointer when all ↵Jan Hubicka1-11/+14
VALUE's locations has been invalidated. * alias.c (find_base_term, get_addr): Do not dereference NULL pointer when all VALUE's locations has been invalidated. (rtx_equal_for_memref_p): Simplify checking of VALUEs. From-SVN: r77201
2004-02-02alias.c (record_set): Use hard_regno_nregs.Jan Hubicka1-1/+1
* alias.c (record_set): Use hard_regno_nregs. * bt-load.c (find_btr_reference, note_btr_set): Likewise. * builtins.c (apply_args_size): Likewise. * caller-save.c (setup_save_areas, save_call_clobbered_regs, mark_set_regs, add_stored_regs, mark_referenced_regs, insert_restore, insert_save, insert_one_insn): Likewise. * cfgcleanup.c: Include regs.h (mark_effect, mentions_nonequal_regs): Likewise. * cfgrtl.c (mark_killed_regs): Likewise * combine.c (update_table_tick, record_value_for_reg, record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p, reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths, reg_bitfield_target_p, distribute_notes): Likewise. * cse.c (mention_regs, insert, invalidate, invalidate_for_call, exp_equiv_p, cse_insn): Likewise. * cselib.c (cselib_lookup): Likewise. (cselib_invalidate_regno, cselib_record_set): Likewise. * df.c (df_ref_record): Likewise. * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor): Likewise. * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg, count_or_remove_death_notes_bb): Likewise. * function.c (aggregate_value_p, keep_stack_depressed): Likewise. * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts, mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise. * integrate.c (mark_stores): Likewise. * jump.c (delete_prior_computation): Likewise. * lcm.c (reg_dies, reg_becomes_live): Likewise. * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise. * loop.c (LOOP_REGNO_NREGS): Likewise. * postreload.c (reload_combine, reload_combine_note_store, reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise. * ra-colorize.c (combine, color_usable_p, get_free_reg, calculate_dont_begin, calculate_dont_begin, colorize_one_web, try_recolor_web, insert_coalesced_conflicts, check_colors, break_precolored_alias): Likewise. * ra-debug.c: Include regs.h (ra_print_rtx_object): Likewise. * ra-rewrite (choose_spill_colors): Likewise. (spill_same_color_p, update_spill_colors, spill_is_free): Likewise. * ra.c (init_ra): Likewise. * recog.c (reg_fits_class_p, peep2_reg_dead_p, peep2_find_free_register): Likewise. * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise. * regclass.c (hard_regno_nregs): New array. (init_reg_modes_once): Initialize it. (choose_hard_reg_mode): Use it. (record_reg_classes): Likewise. * regmove.c (mark_flags_life_zones): Likewise. * regrename.c (note_sets, clear_dead_regs, regrename_optimize, scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno, copy_value, maybe_mode_change, find_oldest_value_reg, copyprop_hardreg_forward_1): * regs.h (hard_regno_nregs): Declare. * realod.c (reload_inner_reg_of_subreg): Use it. (push_reload, combine_reloads, find_dummy_reload, hard_reg_set_here_p, operands_match_p, decompose, find_reloads, refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p, reload_adjust_reg_for_mode): Likewise. * reload1.c (compute_use_by_pseudos, count_pseudo, count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live, spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use, clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p allocate_reload_reg, choose_reload_regs, emit_reload_insns, delete_output_reload): Likewise. * resource.c (update_live_status, mark_referenced_resources, mark_set_resources, mark_target_live_regs): Likewise. * rtlanal.c: Include regs.h (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p, find_regno_note, find_reg_fusage, subreg_regno_offset, subreg_offset_representable_p, hoist_test_store): Likewise. * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise. * sched-rgn.c (check_live_1, update_live_1): Likewise. * stmt.c: Include regs.h (decl_conflicts_with_clobbers_p): Likewise. * varasm.c (make_decl_rtl): Likewise. * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy. From-SVN: r77088
2004-01-22alias.c (reg_base_value): Turn into varray.Jan Hubicka1-39/+61
* alias.c (reg_base_value): Turn into varray. (reg_base_value_size): Kill. (old_reg_base_value): New deletable varray. (alias_invariant_size): New variable. (REG_BASE_VALUE): Update to use varray. (find_base_value): Likewise. (record_set): Likewise. (record_base_value): Likewise. (memrefs_conflict_p): Likewise. (record_set): Likewise (record_base_value): Likewise. (memrefs_conflict_p): Use alias_invariant_size. (init_alias_analysis): Use varray; set alias_invariant_size; rescale other arrays to be sized by maxreg. (end_alias_analysis): Save reg_base_value; clear alias_invariant_size. From-SVN: r76349
2004-01-21alias.c, [...]: Update copyright.Kazu Hirata1-1/+1
* alias.c, basic-block.h, c-common.c, c-common.h, c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c, calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c, combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c, cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h, defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c, expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c, genautomata.c, genconditions.c, genemit.c, genflags.c, gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c, ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c, langhooks-def.h, langhooks.c, langhooks.h, line-map.c, line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c, ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c, rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h, target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h, unwind.h, varray.c, varray.h: Update copyright. From-SVN: r76302
2004-01-17re PR pch/13689 (GGC PCH breaks aliasing)Geoffrey Keating1-12/+12
PR pch/13689 * alias.c (new_alias_set): Mark last_alias_set for PCH. (get_varargs_alias_set): Rename 'set' to 'varargs_set' and mark it for PCH. (get_frame_alias_set): Likewise, except rename it to 'frame_set'. * config/rs6000/rs6000.c (rs6000_sr_alias_set): Mark for PCH. (get_TOC_alias_set): Mark 'set' for PCH. From-SVN: r76031
2004-01-16re PR pch/13689 (GGC PCH breaks aliasing)Geoffrey Keating1-6/+7
PR pch/13689 * alias.c (struct alias_set_entry): Mark for GC. (alias_sets): Make static, mark for GC. (record_alias_subset): Use GC to allocate alias structures. * varray.c (element): Make generic varrays GCed. From-SVN: r75962
2004-01-14alias.c (get_alias_set): Initialize alias set to 0 when subset is impossible.Jan Hubicka1-1/+1
* alias.c (get_alias_set): Initialize alias set to 0 when subset is impossible. From-SVN: r75861
2004-01-13alias.c (new_alias_set): Construct the alias_set varray.Jan Hubicka1-3/+4
* alias.c (new_alias_set): Construct the alias_set varray. (init_alias_once): Don't do it here. From-SVN: r75779
2004-01-12alias.c: Invlude varray.hJan Hubicka1-11/+11
* alias.c: Invlude varray.h (alias_sets): Turn into varray. (get_alias_set_entry): Use VARRAY; mark inline. (mems_in_disjoint_alias_sets_p): Mark inline. (record_alias_subset): Use varray. (init_alias_once): Initialize varray. (new_alias_set): Grow array. * varray.c: Make VARRAY_GENERIC_PTR non GTYized. From-SVN: r75711
2004-01-06alias.c: Fix comment typos.Kazu Hirata1-3/+3
* alias.c: Fix comment typos. * builtins.c: Likewise. * cfg.c: Likewise. * df.c: Likewise. * dominance.c: Likewise. * dwarf2out.c: Likewise. * emit-rtl.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * fold-const.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * genrecog.c: Likewise. * gensupport.c: Likewise. * ggc-zone.c: Likewise. * integrate.c: Likewise. * local-alloc.c: Likewise. * loop.c: Likewise. * recog.c: Likewise. * regmove.c: Likewise. * reg-stack.c: Likewise. * reorg.c: Likewise. * rtlanal.c: Likewise. * rtl.h: Likewise. * sched-ebb.c: Likewise. * simplify-rtx.c: Likewise. * toplev.c: Likewise. * varasm.c: Likewise. From-SVN: r75475
2003-12-21alias.c: Fix comment formatting.Kazu Hirata1-1/+1
* alias.c: Fix comment formatting. * alloc-pool.c: Likewise. * bitmap.c: Likewise. * bitmap.h: Likewise. * bt-load.c: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-decl.c: Likewise. * c-opts.c: Likewise. * c-pretty-print.c: Likewise. * caller-save.c: Likewise. * cfghooks.h: Likewise. * cgraph.c: Likewise. * collect2.c: Likewise. * cppfiles.c: Likewise. * cpplib.h: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * final.c: Likewise. * function.c: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genemit.c: Likewise. * ggc.h: Likewise. * haifa-sched.c: Likewise. * ifcvt.c: Likewise. * libgcc2.h: Likewise. * loop.c: Likewise. * predict.h: Likewise. * unwind-libunwind.c: Likewise. * varasm.c: Likewise. From-SVN: r74907
2003-10-02correct commentJason Merrill1-6/+10
From-SVN: r72042
2003-09-18re PR target/11184 ([ia64 hpux] ICE on __builtin_apply building libobjc)Mark Mitchell1-6/+2
PR target/11184 * builtins.c (expand_builtin_apply): Use convert_memory_address before returning the value. * alias.c (find_base_value): Simplify use of convert_memory_address. (find_base_term): Likewise. * builtins.c (expand_builtin_stejmp_setup): Likewise. (expand_builtin_longjmp): Likewise. (expand_builtin_prefetch): Likewise. (get_memory_rtx): Likewise. (expand_builtin_return): Likewise. (expand_builtin_memcpy): Likewise. (expand_builtin_strncpy): Likewise. (expand_builtin_memset): Likewise. (expand_builtin_va_arg): Likewise. (expand_builtin_va_copy): Likewise. (expand_builtin_alloca): Likewise. * calls.c (expand_call): Likewise. * except.c (expand_builtin_extract_return_addr): Likewise. (expand_builtin_eh_return): Likewise. * explow.c (convert_memory_address): Define even when POINTER_EXTEND_UNSIGNED is not defined. Do nothing if the address is already in the right mode. * explow.c (memory_address): Simplify use of convert_memory_address. (probe_stack_range): Likewise. * expmed.c (make_tree): Likewise. * expr.c (emit_block_move_in_libcall): Likewise. (expand_assignment): Likewise. (expand_expr): Likewise. * function.c (assign_parms): Likewise. (expand_function_end): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. * stmt.c (expand_computed_goto): Likewise. PR target/11184 * gcc.dg/builtin-apply1.c: New test. From-SVN: r71539
2003-09-14alias.c: Follow spelling conventions.Kazu Hirata1-1/+1
* alias.c: Follow spelling conventions. * cpphash.h: Likewise. * fold-const.c: Likewise. * cp/ChangeLog: Likewise. * cp/parser.c: Likewise. From-SVN: r71382
2003-09-12re PR rtl-optimization/8967 (Making class data members `const' pessimizes code)Roger Sayle1-13/+26
PR optimization/8967 * alias.c (write_dependence_p): Modify to take an additional constp argument that controls whether the UNCHANGING_RTX_P flags are used. (anti_dependence, output_dependence): Adjust write_dependence_p callers to pass this additional argument, to return the same result. (unchanging_anti_dependence): New variant of anti_dependence that ignores the UNCHANGING_RTX_P property on memory references. * rtl.h (unchaning_anti_dependence): Prototype here. * flow.c (init_propagate_block): Place fake constant mem writes on the mem_set_list so that dead writes to const variables are deleted. (insn_dead_p): Change anti_dependence to unchanging_anti_dependence. (mark_used_regs): Likewise. From-SVN: r71332
2003-08-11re PR rtl-optimization/11319 (loop miscompiled on ppc32)James E Wilson1-1/+1
PR optimization/11319 PR target/10021 * alias.c (find_base_value, case REG): Return 0 not src if no base found. From-SVN: r70359
2003-07-22alias.c: Fix comment formatting.Kazu Hirata1-1/+1
* alias.c: Fix comment formatting. * c-common.c: Likewise. * c-decl.c: Likewise. * c-opts.c: Likewise. * combine.c: Likewise. * cpplib.c: Likewise. * diagnostic.c: Likewise. * dojump.c: Likewise. * final.c: Likewise. * fold-const.c: Likewise. * gcc.c: Likewise. * gcse.c: Likewise. * ggc-page.c: Likewise. * jump.c: Likewise. * loop.c: Likewise. * mips-tfile.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * tree.c: Likewise. * tree.h: Likewise. From-SVN: r69689
2003-07-19alias.c [...]: Remove unnecessary casts.Kaveh R. Ghazi1-11/+9
* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c gcse.c genattr.c genattrtab.c genautomata.c genconditions.c genemit.c genextract.c genoutput.c genrecog.c gensupport.c ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c postreload.c prefix.c print-tree.c protoize.c ra-build.c ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c regmove.c regrename.c reload.c reload1.c reorg.c resource.c sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary casts. From-SVN: r69587
2003-07-07re PR rtl-optimization/11198 (-O2 -frename-registers generates wrong code)Richard Kenner1-8/+10
PR optimization/11198 * alias.c (objects_must_conflict_p): Return 1 if the types have the same alias set, not if the alias sets only conflict. Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr> From-SVN: r69034
2003-06-16tracer.c: Remove duplication declaration.Andreas Jaeger1-1/+0
* tracer.c: Remove duplication declaration. * toplev.c: Remove extra declaration of decode_d_option. * ssa.c: Remove duplicate declaration. * sreal.c: Remove extra declaration of dump_sreal. * reload1.c: Remove duplicate declarations. * integrate.c: Remove extra declaration of set_decl_abstract_flags. * flow.c: Remove extra declaration of dump_flow_info. * alias.c: Remove extra declaration of get_addr. From-SVN: r68006
2003-06-15alloc-pool.c: Convert to ISO C90 prototypes.Andreas Jaeger1-153/+86
* alloc-pool.c: Convert to ISO C90 prototypes. * alloc-pool.h: Likewise. * alias.c: Likewise. * attribs.c: Likewise. * bb-reorder.c: Likewise. * bitmap.h: Likewise. * bitmap.c: Likewise. * builtins.c: Likewise. * tree.h: Convert prototypes of attribs.c to ISO C90. * basic-block.h: Convert prototypes of bb-reorder.c to ISO C90. * rtl.h: Convert prototypes of alias.c and builtins.c to ISO C90. * expr.h: Convert prototypes of builtins.c to ISO C90. From-SVN: r67975
2003-05-20* alias.c (nonlocal_mentioned_p, nonlocal_referenced_p)Matt Kraai1-3/+0
(nonlocal_set_p): Remove initial blank line. * dwarf2out.c (simple_type_size_in_bits): Likewise. * et-forest.c (et_forest_create): Likewise. * explow.c (stabilize): Likewise. * fix-header.c (write_lbrac): Likewise. * graph.c (start_fct, node_data): Likewise. * jump.c (only_sets_cc0_p, sets_cc0_p): Likewise. * rtlanal.c (global_reg_mentioned_p): Likewise. * tree.c (bit_position): Likewise. From-SVN: r66984
2003-04-23alias.c (mark_constant_function): Check for constancy and purity even of ↵Roger Sayle1-4/+9
void functions. * alias.c (mark_constant_function): Check for constancy and purity even of void functions. Update both the function decl and the cgraph RTL info with the results. From-SVN: r65981
2003-04-05alias.c (find_base_term): Export.Zdenek Dvorak1-2/+1
* alias.c (find_base_term): Export. * rtl.h (find_base_term): Declare. * gcse.c (find_moveable_store): Test for flag_non_call_exceptions instead of flag_exceptions. Move test for parameter passing ... (store_killed_in_insn): ... here. From-SVN: r65272
2003-03-18alias.c (rtx_equal_for_memref_p): Assume that X and Y has been canonicalized.Jan Hubicka1-18/+38
* alias.c (rtx_equal_for_memref_p): Assume that X and Y has been canonicalized. (memrefs_conflict_p): Likewise. (addr_side_effect_eval): Canonicalize the constructed address. From-SVN: r64540
2003-03-05Makefile.in (calls.o, [...]): Depend on cgraph.hJan Hubicka1-2/+3
* Makefile.in (calls.o, toplev.o alias.o): Depend on cgraph.h * alias.c: Include cgraph.h (mark_constant_function): Use cgraph_rtl_info. * calls.c: Include cgraph.h (flags_from_decl_or_type): Use cgraph_rtl_info to find pure and const calls. (expand_call): Use cgraph_rtl_info to set preferred stack boundary. * cgraph.c (cgraph_rtl_info): New function. * cgraph.h (cgraph_rtl_info): Declare (cgraph_rtl_info): Likewise. * function.h (struct function): Add recursive_call_emit. * toplev.c: Include cgraph.h. (rest_of_compilation): Set preferred_incoming_stack_boundary. * gcc.dg/i386-local2.c: New. From-SVN: r63868
2003-02-26objc-act.c: Include cgraph.hJan Hubicka1-0/+4
* objc-act.c: Include cgraph.h (mark_referenced_methods): New function. (objc_init): Call it. * objc-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Set. * c-decl.c (finish_function): Honor can_defer_p even in unit-at-a-time mode. * optabs.c (expand_fix): Do not widen the input operand. * expr.c (emit_group_store): Fix crash when converting single register into complex register. * Makefile.in (jump.o, regclass.o, alias.o): Add dependency on timevar.h * alias.c: Include timevar.h (init_alias_analysis): Set timevar * jump.c: Include timevar.h (rebuild_jump_labels): Set timevar * regcalss.c: Include timevar.h (reg_scan): Set timevar * timevar.def (TV_ALIAS_ANALYSIS, TV_REG_SCAN, TV_REBUILD_JUMP): New From-SVN: r63464
2003-02-26cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.Zdenek Dvorak1-1/+1
* cse.c (count_reg_usage): Fix handling of REG_EQUAL notes. * Makefile.in (loop-unroll.o): New. * cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New. (unroll_and_peel_loops): Declare. * alias.c (init_alias_analysis): Flag_unroll_loops renamed to flag_old_unroll_loops. * loop.c (loop_invariant_p): Ditto. * unroll.c (unroll_loop): Flag_unroll_all_loops renamed to flag_old_unroll_all_loops. * flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops. (flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops. * params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed. (PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES, PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES, PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES, PARAM_MAX_ONCE_PEELED_INSNS): New. * toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New. (flag_unroll_loops, flag_unroll_all_loops): Used for new unroller instead of old one. (flag_peel_loops): New. (lang_independent_options): The new flags added. (rest_of_compilation): Call new unroller. (process_options): Setup flags for coexistence of old and new unroller. * doc/invoke.texi: Document new options. * doc/passes.texi: Document new unroller pass. From-SVN: r63462
2003-01-18alias.c: Fix comment typos.Kazu Hirata1-3/+3
* alias.c: Fix comment typos. * basic-block.h: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-decl.c: Likewise. * c-opts.c: Likewise. * c-pragma.c: Likewise. * c-pretty-print.h: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgbuild.c: Likewise. * cfgcleanup.c: Likewise. * cfglayout.c: Likewise. * cfgrtl.c: Likewise. * convert.c: Likewise. * cpphash.h: Likewise. * cpplex.c: Likewise. * cpplib.h: Likewise. * df.h: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dwarf2.h: Likewise. From-SVN: r61462
2003-01-08i386.md (adddi3_carry_rex64, [...]): Name pattern.Jan Hubicka1-0/+30
* i386.md (adddi3_carry_rex64, subdi3_carry_rex64): Name pattern. (addhi3_carry, addqi3_carry, subhi3_carry, subqi3_carry): New patterns. (add??cc): New expanders. * i386.c (expand_int_addcc): New function. * i386-protos.h (expand_int_addcc): Declare. * alias.c (memory_modified_1): New static function. (memory_modified): New static varaible. (memory_modified_in_insn_p): New global function. * rtl.h (memory_modified_in_insn_p): Declare. * rtlanal.c (modified_between_p, modified_in_p): Be smart about memory references. * expr.h (emit_conditional_add): Declare. From-SVN: r61038
2003-01-07alias.c (find_base_value): Only use new_reg_base_value shortcut if the ↵Richard Henderson1-2/+4
register is set once. * alias.c (find_base_value): Only use new_reg_base_value shortcut if the register is set once. From-SVN: r61017
2002-12-24Fix v850 PlumHall testsuite failure.Jim Wilson1-0/+17
* alias.c (record_set): Handle multi-reg hard registers. From-SVN: r60474
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-0/+2
From-SVN: r60174
2002-11-25alias.c (find_base_value): Use new_reg_base_value if it's live.Richard Henderson1-6/+13
* alias.c (find_base_value): Use new_reg_base_value if it's live. (copying_arguments): Make boolean. From-SVN: r59483
2002-10-14re PR rtl-optimization/6631 (Miscompiled structure access)Mark Mitchell1-3/+3
PR optimization/6631 * Makefile.in (function.o): Depend on langhooks.h. * alias.c (objects_must_conflict_p): Check honor_readonly when examining TYPE_READONLY. * function.c (assign_stack_temp_for_type): Likewise. PR optimization/6631 * g++.dg/opt/const2.C: New test. From-SVN: r58136
2002-09-22ChangeLog: Follow spelling conventions.Kazu Hirata1-5/+5
* ChangeLog: Follow spelling conventions. * ChangeLog.0: Likewise. * ChangeLog.1: Likewise. * ChangeLog.2: Likewise. * ChangeLog.3: Likewise. * ChangeLog.4: Likewise. * ChangeLog.5: Likewise. * ChangeLog.6: Likewise. * FSFChangeLog.10: Likewise. * FSFChangeLog.11: Likewise. * alias.c: Likewise. * basic-block.h: Likewise. * c-aux-info.c: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-semantics.c: Likewise. * c-typeck.c: Likewise. * calls.c: Likewise. * cfganal.c: Likewise. * cfgloop.c: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * conflict.c: Likewise. * cppexp.c: Likewise. * cppfiles.c: Likewise. * cpphash.h: Likewise. * cppinit.c: Likewise. * cpplex.c: Likewise. * cpplib.c: Likewise. * cpplib.h: Likewise. * cppmacro.c: Likewise. * cse.c: Likewise. From-SVN: r57398
2002-07-21emit-rtl.c (set_mem_attributes): Preserve indirection of PARM_DECL when ↵Richard Henderson1-0/+15
flag_argument_noalias == 2. * emit-rtl.c (set_mem_attributes): Preserve indirection of PARM_DECL when flag_argument_noalias == 2. * alias.c (nonoverlapping_memrefs_p): Handle that. * print-rtl.c (print_mem_expr): Likewise. From-SVN: r55633
2002-06-20c-common.c (c_common_get_alias_set): Correctly handle characters.Richard Henderson1-0/+8
* c-common.c (c_common_get_alias_set): Correctly handle characters. Rearrange order of expressions; don't handle vectors here. * alias.c (get_alias_set): Let vectors match their components. From-SVN: r54821
2002-06-13alias.c (argument_registers): Remove.Jeff Law1-42/+4
* alias.c (argument_registers): Remove. (init_alias_once): Initialize static_reg_base_value here. Remove initialization of argument_registers. (init_alias_once_per_function): Remove. (init_alias_analysis): Copy all the entries from static_reg_base_value into new_reg_base_value all at once. * rtl.h (init_alias_once_per_function): Remove declaration. * function.c (prepare_function_start): Do not call init_alias_once_per_function. * caller-save.c (init_caller_save): Use gen_rtx_INSN instead of starting a sequence and emitting an INSN. From-SVN: r54582
2002-06-10alias.c (static_reg_base_value): New to hold RTL for items allocated once ↵Jeff Law1-7/+46
per function for the aliasing code. * alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code. (init_alias_once_per_function): Initialize static_reg_base_value. (init_alias_analysis): Avoid throw-away allocations of RTL by using pre-computed values in static_reg_base_value. * function.c (prepare_function_start): Call init_alias_once_per_function appropriately. * rtl.h (init_alias_once_per_function): Declare. * caller-save (init_caller_save): Restructure slightly to avoid lots of silly RTL generation. * expr.c (init_expr_once): Likewise. * reload1.c (reload_cse_regs_1): Allocate throw-away register RTL object here. Pass it into children. (reload_cse_simplify_operands): Use passed-in register RTL object. (reload_cse_simplify): Pass through throw-away register RTL object. From-SVN: r54442