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2009-08-11combine.c (try_widen_shift_mode): Factor out code to check if an integer ↵Adam Nemet1-6/+2
constant is a low-order bitmask from here ... * combine.c (try_widen_shift_mode): Factor out code to check if an integer constant is a low-order bitmask from here ... * rtlanal.c (low_bitmask_len): ... to here. * rtl.h (low_bitmask_len): Declare. From-SVN: r150656
2009-08-08combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from mode check.Richard Sandiford1-23/+28
gcc/ * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from mode check. Do truncations in an integer mode. (force_to_mode): Handle subregs for all mode types. Only do arithmetic simplifications on integer modes. From-SVN: r150578
2009-08-01expr.c (store_constructor): Use promote_decl_mode.Paolo Bonzini1-4/+2
2009-04-17 Paolo Bonzini <bonzini@gnu.org> * expr.c (store_constructor): Use promote_decl_mode. Remove now write-only variable unsignedp. (expand_expr_real_1): Use promote_decl_mode. * expr.h (promote_function_mode, promote_decl_mode): New. (promote_mode): Remove last argument. * function.c (assign_temp): Drop last argument of promote_mode. (assign_parm_find_data_types): Use promote_function_mode. (assign_parm_setup_reg): Likewise. (expand_function_end): Use promote_function_mode. * calls.c (initialize_argument_information): Use promote_function_mode. (precompute_arguments): Use promote_mode instead of checking if only PROMOTE_FUNCTION_MODE is defined. (expand_call): When making sibcall decisions, use promote_function_mode. Below, remove an if for targetm.calls.promote_function_return and and use promote_function_mode. (emit_library_call_value_1): Use promote_function_mode, fix bug where promote_mode was passed FOR_CALL == 0 for a return value in an assertion. * cfgexpand.c (expand_one_register_var): Use promote_decl_mode. * explow.c (promote_function_mode, promote_decl_mode): New. (promote_mode): Keep only the FOR_CALL == 0 case. * combine.c (setup_incoming_promotion): Remove test of promote_function_args. Use promote_function_mode. * stmt.c (expand_value_return): Use promote_decl_mode. (expand_decl): Use promote_decl_mode. * expr.c (store_constructor): Use promote_decl_mode. Remove now write-only variable unsignedp. (expand_expr_real_1): Use promote_decl_mode. * expr.h (promote_function_mode, promote_decl_mode): New. (promote_mode): Remove last argument. * function.c (assign_temp): Drop last argument of promote_mode. (assign_parm_find_data_types): Use promote_function_mode. (assign_parm_setup_reg): Likewise. (expand_function_end): Use promote_function_mode. * calls.c (initialize_argument_information): Use promote_function_mode. (precompute_arguments): Use promote_mode instead of checking if only PROMOTE_FUNCTION_MODE is defined. (expand_call): When making sibcall decisions, use promote_function_mode. Below, remove an if for targetm.calls.promote_function_return and and use promote_function_mode. (emit_library_call_value_1): Use promote_function_mode, fix bug where promote_mode was passed FOR_CALL == 0 for a return value in an assertion. * cfgexpand.c (expand_one_register_var): Use promote_decl_mode. * explow.c (promote_function_mode, promote_decl_mode): New. (promote_mode): Keep only the FOR_CALL == 0 case. * combine.c (setup_incoming_promotion): Remove test of promote_function_args. Use promote_function_mode. * stmt.c (expand_value_return): Use promote_decl_mode. (expand_decl): Use promote_decl_mode. * explow.c (promote_function_mode): Just call the target hook. * targhooks.c (default_promote_function_mode, default_promote_function_mode_always_promote): New. * targhooks.h (default_promote_function_mode, default_promote_function_mode_always_promote): Declare. * target.h (promote_function_args, promote_function_return): Remove. (promote_function_mode): New. * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. (TARGET_PROMOTE_FUNCTION_MODE): New. (TARGET_CALLS): Adjust. * system.h (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison. * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move... * config/s390/s390.c (s390_promote_function_mode): ... here, with pointer handling. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move... * config/sparc/sparc.c (sparc_promote_function_mode): ... here, with pointer handling. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. * config/sh/sh-protos.h (sh_promote_function_mode): New. * config/sh/sh.c (sh_promote_function_mode): New. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move... * config/cris/cris.c (cris_promote_function_mode): ... here. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_ARGS): Remove. * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move... * config/mmix/mmix.c (mmix_promote_function_mode): ... here. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_ARGS): Remove. * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move... * config/arm/arm.c (arm_promote_function_mode): ... here, without complex type handling. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. * config/pa/pa.c (pa_promote_function_mode): New. (TARGET_PROMOTE_FUNCTION_MODE): Define. (TARGET_PROMOTE_FUNCTION_RETURN): Remove. * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently. * config/xtensa/xtensa.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/iq2000/iq2000.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/picochip/picochip.c: Likewise. * config/arc/arc.c: Likewise. * config/mcore/mcore.c: Likewise. * config/score/score.c: Likewise. * config/mips/mips.c: Likewise. * config/bfin/bfin.c: Likewise. * config/ia64/ia64.c: Likewise (disabled though). * config/frv/frv.h: Remove pointless remark. * doc/tm.texi (PROMOTE_FUNCTION_MODE, TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into... (TARGET_PROMOTE_FUNCTION_MODE): ... this. From-SVN: r150336
2009-07-18combine.c (make_compound_operation): If force_to_mode re-expanded the ↵Adam Nemet1-0/+6
compound use gen_lowpart instead to convert to... * combine.c (make_compound_operation) <SUBREG>: If force_to_mode re-expanded the compound use gen_lowpart instead to convert to the desired mode. testsuite/ * gcc.target/mips/ext-2.c: New test. From-SVN: r149781
2009-07-18combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and OUTER_CONST ↵Adam Nemet1-5/+25
arguments. * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and OUTER_CONST arguments. <LSHIFTRT>: Use them to allow widening if the bits shifted in from the new wider mode will be masked off. (simplify_shift_const_1): Adjust calls to try_widen_shift_mode. From-SVN: r149780
2009-07-18combine.c (try_widen_shift_mode): Allow widening if the high-order bits are ↵Adam Nemet1-1/+8
zero. * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the high-order bits are zero. From-SVN: r149779
2009-07-18combine.c (simplify_shift_const_1): Split code to determine shift_mode into ...Adam Nemet1-15/+38
* combine.c (simplify_shift_const_1): Split code to determine shift_mode into ... (try_widen_shift_mode): ... here. Allow widening for ASHIFTRT if the new bits shifted in are identical to the old sign bit. testsuite/ * gcc.target/mips/octeon-exts-7.c: New test. * gcc.target/mips/octeon-exts-2.c: Revert previous change. * gcc.target/mips/octeon-exts-5.c: Likewise. From-SVN: r149778
2009-07-09combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before creating LHS ↵Adam Nemet1-5/+12
paradoxical subregs. * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before creating LHS paradoxical subregs. Fix surrounding returns to use NULL_RTX rather than 0. From-SVN: r149401
2009-07-01combine.c (force_to_mode): Handle TRUNCATE.Adam Nemet1-6/+18
* combine.c (force_to_mode): Handle TRUNCATE. Factor out truncation from operands in binary operations. testsuite/ * gcc.target/mips/truncate-4.c: New testcase. From-SVN: r149154
2009-06-23combine.c (try_combine): Dump information about the insns we're combining.Adam Nemet1-0/+10
* combine.c (try_combine): Dump information about the insns we're combining. From-SVN: r148828
2009-06-23combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION check when ↵Adam Nemet1-3/+1
calling force_to_mode on TRUNCATE's operand. * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION check when calling force_to_mode on TRUNCATE's operand. testsuite/ * gcc.target/mips/truncate-3.c: New test. From-SVN: r148827
2009-06-22alias.c: Use REG_P...Shujing Zhao1-125/+125
2009-06-22 Shujing Zhao <pearly.zhao@oracle.com> * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and JUMP_TABLE_DATA_P predicates where applicable. * auto-inc-dec.c: Ditto. * builtins.c: Ditto. * caller-save.c: Ditto. * calls.c: Ditto. * cfgcleanup.c: Ditto. * cfglayout.c: Ditto. * cfgrtl.c: Ditto. * combine.c: Ditto. * combine-stack-adj.c: Ditto. * cse.c: Ditto. * cselib.c: Ditto. * dbxout.c: Ditto. * df-scan.c: Ditto. * dse.c: Ditto. * dwarf2asm.c: Ditto. * dwarf2out.c: Ditto. * emit-rtl.c: Ditto. * except.c: Ditto. * explow.c: Ditto. * expmed.c: Ditto. * expr.c: Ditto. * final.c: Ditto. * function.c: Ditto. * fwprop.c: Ditto. * gcse.c: Ditto. * genpreds.c: Ditto. * genrecog.c: Ditto. * ifcvt.c: Ditto. * ira-costs.c: Ditto. * ira-lives.c: Ditto. * jump.c: Ditto. * loop-iv.c: Ditto. * lower-subreg.c: Ditto. * modulo-sched.c: Ditto. * optabs.c: Ditto. * postreload.c: Ditto. * print-rtl.c: Ditto. * recog.c: Ditto. * reginfo.c: Ditto. * regmove.c: Ditto. * reload1.c: Ditto. * reload.c: Ditto. * reorg.c: Ditto. * rtlanal.c: Ditto. * rtl.c: Ditto. * sched-vis.c: Ditto. * sdbout.c: Ditto. * sel-sched-ir.c: Ditto. * simplify-rtx.c: Ditto. * targhooks.c: Ditto. * var-tracking.c: Ditto. * vmsdbgout.c: Ditto. From-SVN: r148786
2009-06-02* combine.c (move_deaths): Compare LUIDs within the same BB only.Alexandre Oliva1-0/+1
From-SVN: r148075
2009-05-12Merge cond-optab branch.Paolo Bonzini1-29/+0
From-SVN: r147425
2009-05-11basic-block.h (enum profile_status): Break out of struct control_flow_graph.Ian Lance Taylor1-1/+3
./: * basic-block.h (enum profile_status): Break out of struct control_flow_graph. * cgraph.h (struct inline_summary): Break out of struct cgraph_local_info. * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out of struct cgraph_order_sort. * combine.c (enum undo_kind): New enum, broken out of struct undo. * cse.c (struct branch_path): Break out of struct cse_basic_block_data. * except.h (enum eh_region_type): Break out of struct eh_region. * gcc.c (enum add_del): Break out of struct modify_target. * genrecog.c (enum decision_type): Break out of struct decision_test. * ggc-page.c (struct ggc_pch_ondisk): Break out of struct ggc_pch_data. * matrix-reorg.c (struct free_info): Break out of struct matrix_info. * regmove.c (enum match_use): New enum, broken out of struct match. * sched-int.h (enum post_call_group): New enum, broken out of struct deps. (struct deps_reg): Break out of struct deps. * target.h (struct asm_int_op): Break out of struct gcc_target. * tree-eh.c (struct goto_queue_node): Break out of struct leh_tf_state. * tree-inline.h (enum copy_body_cge_which): Break out of copy_body_data. * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass. * c-decl.c (in_struct, struct_types): New static variables. (pushtag): Add loc parameter. Change all callers. (lookup_tag): Add ploc parameter. Change all callers. (check_compound_literal_type): New function. (parser_xref_tag): Add loc parameter. Change all callers. If -Wc++-compat, warn about struct/union/enum types defined within a struct or union. (start_struct): Add enclosing_in_struct, enclosing_struct_types, and loc parameters. Change all callers. Change error calls to error_at, using loc. For a redefinition, if the location of the original definition is known, report it. Set in_struct and struct_types. If -Wc++-compat warn if in sizeof, typeof, or alignof. (finish_struct): Add new parameters enclosing_in_struct and enclosing_struct_types. Change all callers. Set C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined in the struct. If in a struct, add this struct to struct_types. (start_enum): Add loc parameter. Change all callers. Use error_at for errors, using loc. For a redefinition, if the location of the original definition is known, report it. If in a struct, add this enum type to struct_types. If -Wc++-compat warn if in sizeof, typeof, or alignof. * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat. (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate. (c_parser_enum_specifier): Get enum location for start_enum. (c_parser_struct_or_union_specifier): Get struct location for start_struct. Save in_struct and struct_types status between start_struct and finish_struct. (c_parser_cast_expression): Get location of cast. (c_parser_alignof_expression): Get location of type. (c_parser_postfix_expression): Likewise. (c_parser_postfix_expression_after_paren_type): Add type_loc parameter. Change all callers. Call check_compound_literal_type. Use type_loc for error about variable size type. * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use of an enum constant from an enum type defined in a struct or union. (c_cast_expr): Add loc parameter. Change all callers. If -Wc++-compat, warn about defining a type in a cast. * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define. (start_enum, start_struct, finish_struct): Update declarations. (parser_xref_tag, c_cast_expr): Update declarations. (check_compound_literal_type): Declare. fortran/: * gfortran.h (enum gfc_omp_sched_kind): New enum, broken out of gfc_omp_clauses. (enum gfc_omp_default_sharing): Likewise. * module.c (enum gfc_rsym_state): New enum, broken out of pointer_info. (enum gfc_wsym_state): Likewise. * parse.c (enum state_order): New enum, broken out of st_state. objc/: * objc-act.c (objc_building_struct): New static variable. (objc_in_struct, objc_struct_types): New static variables. (objc_start_struct, objc_finish_struct): New static functions. (generate_struct_by_value_array): Call objc_start_struct instead of start_struct, and call objc_finish_struct instead of finish_struct. (objc_build_struct, build_objc_symtab_template): Likewise. (build_module_descriptor): Likewise. (build_next_objc_exception_stuff): Likewise. (build_protocol_template): Likewise. (build_method_prototype_list_template): Likewise. (build_method_prototype_template): Likewise. (build_category_template, build_selector_template): Likewise. (build_class_template, build_super_template): Likewise. (build_ivar_template, build_ivar_list_template): Likewise. (build_method_list_template): Likewise. (build_method_template): Likewise. objcp/: * objcp-decl.h (start_struct): Add three new, ignored, macro parameters. (finish_struct): Add two new, ignored, macro parameters. testsuite/: * gcc.dg/Wcxx-compat-7.c: New testcase. * gcc.dg/Wcxx-compat-8.c: New testcase. * gcc.dg/c99-tag-1.c: Recognize new "originally defined here" notes * gcc.dg/pr17188-1.c: Likewise. * gcc.dg/pr39084.c: Likewise. From-SVN: r147358
2009-04-24combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.Ian Lance Taylor1-4/+4
gcc/: * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice. (record_dead_and_set_regs): Likewise. * df.h (struct df_mw_hardreg): Change flags field to int. (struct df_base_ref): Likewise. (struct df): Change changeable_flags field to int. * df-scan.c (df_defs_record): Change clobber_flags to int. * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum constants rather than #define macros. (enum dwarf_attribute, enum dwarf_location_atom): Likewise. (enum dwarf_type, enum dwarf_endianity_encoding): Likewise. (enum dwarf_calling_convention): Likewise. (enum dwarf_line_number_x_ops): Likewise. (enum dwarf_call_frame_info): Likewise. (enum dwarf_source_language): Likewise. * dwarf2out.c (int_loc_descriptor): Add cast to enum type. (add_calling_convention_attribute): Likewise. * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type. (combine_comparisons): Change compcode to int. Add cast to enum type. * genrecog.c (maybe_both_true_2): Change c to int. (write_switch): Likewise. Add cast to enum type. * gimplify.c (gimplify_omp_for): Handle return values from gimplify_expr using MIN rather than bitwise or. (gimplify_expr): Add cast to enum type. * ipa-prop.c (update_jump_functions_after_inlining): Change IPA_BOTTOM to IPA_JF_UNKNOWN. * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int. Add casts to enum type. (setup_cover_and_important_classes): Change cl to int. Add casts to enum type. (setup_class_translate): Change cl and mode to int. (ira_init_once): Change mode to int. (free_register_move_costs): Likewise. (setup_prohibited_mode_move_regs): Add casts to enum type. * langhooks.c (add_builtin_function_common): Rework assertion that value fits bitfield. * mcf.c (add_fixup_edge): Change type parameter to edge_type. * omega.c (omega_do_elimination): Avoid math on enum types. * optabs.c (expand_vec_shift_expr): Remove casts to int. * opts.c (set_debug_level): Change 2 to enum constant. Use new int local to handle integral_argment value. * regmove.c (try_auto_increment): Change PUT_MODE to PUT_REG_NOTE_KIND. * reload.c (push_secondary_reload): Add casts to enum type. (secondary_reload_class, find_valid_class): Likewise. * reload1.c (emit_input_reload_insns): Likewise. * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise. * sel-sched.c (init_hard_regs_data): Change cur_mode to int. * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum constant. * tree.c (build_common_builtin_nodes): Add casts to enum type. * tree-complex.c (complex_lattice_t): Typedef to int rather than enum type. (expand_complex_libcall): Add casts to enum type. * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant. * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code with ERROR_MARK, not NUM_TREE_CODES. (vect_create_epilog_for_reduction): Likewise. (vectorizable_reduction): Don't initialize epiloc_reduc_code. When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES. * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to enum machine_mode. * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to vect_unused_in_loop. Change 0 to loop_vect. * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type. * var-tracking.c (get_init_value): Change return type to enum var_init_status. * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T. * config/arm/arm.c (fp_model_for_fpu): Change to array to enum arm_fp_model. (arm_override_options): Add casts to enum type. (arm_emit_tls_decoration): Likewise. * config/i386/i386.c (ix86_function_specific_restore): Add casts to enum type. * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise. * config/ia64/ia64.c (ia64_expand_compare): Change magic to int. * config/rs6000/rs6000.c (rs6000_override_options): Add casts to enum type. * config/s390/s390.c (code_for_builtin_64): Change to array of enum insn_code. (code_for_builtin_31): Likewise. (s390_expand_builtin): Change code_for_builtin to enum insn_code const *. * config/sparc/sparc.c (sparc_override_options): Change value field in struct code_model to enum cmodel. In initializer change 0 to NULL and add cast to enum type. * c-typeck.c (build_modify_expr): Add lhs_origtype parameter. Change all callers. Issue a -Wc++-compat warning using lhs_origtype if necessary. (convert_for_assignment): Issue -Wc++-compat warnings about invalid conversions to enum type on assignment. * c-common.h (build_modify_expr): Update declaration. gcc/cp/: * call.c (build_temp): Change 0 to enum constant. * cp-tree.h (cp_lvalue_kind): Typedef to int rather than enum type. * cp-gimplify.c (cp_gimplify_expr): Add cast to enum type. * decl2.c (constrain_visibility): Likewise. * parser.c (cp_lexer_get_preprocessor_token): Likewise. (cp_parser_flags): Typedef to int rather than enum type. (cp_parser_expression_stack_entry): Change prec field to enum cp_parser_prec. * typeck.c (build_modify_expr): Add lhs_origtype parameter. Change all callers. gcc/fortran/: * gfortran.h (enum gfc_symbol_type): New named enum type, broken out of struct gfc_symbol. (struct gfc_symbol): Use enum gfc_symbol_type. (enum gfc_array_ref_dimen_type): New named enum type, broken out of struct gfc_array_ref). (struct gfc_array_ref): Use enum gfc_array_ref_dimen_type. (mod_pointee_as): Update declaration. * decl.c (add_global_entry): Change type to enum gfc_symbol_type. (gfc_mod_pointee_as): Change return type to "match". * module.c (mio_array_ref): Add cast to enum type. (mio_symbol): Likewise. * resolve.c (resolve_global_procedure): Change type to enum gfc_symbol_type. * trans-io.c (gfc_build_st_parameter): Change type to unsigned int. gcc/java/: * jcf-parse.c (handle_constant): Add cast to enum type. gcc/objc/: * objc-act.c (get_super_receiver): Update calls to build_modify_expr to pass new argument. gcc/testsuite/: * gcc.dg/Wcxx-compat-4.c: New testcase. From-SVN: r146735
2009-04-16rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.Ian Lance Taylor1-17/+14
* rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note. (add_reg_note): Call alloc_reg_note. * rtl.h (alloc_reg_note): Declare. * combine.c (try_combine): Use alloc_reg_note. (recog_for_combine, move_deaths): Likewise. (distribute_notes): Use alloc_reg_note and add_reg_note. * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note. * combine-stack-adj.c (adjust_frame_related_expr): Likewise. * reload1.c (eliminate_regs_1): Use alloc_reg_note. From-SVN: r146201
2009-04-01re PR rtl-optimization/39588 (internal compiler error: in ↵Eric Botcazou1-5/+6
trunc_int_for_mode, at explow.c:55) PR rtl-optimization/39588 * combine.c (merge_outer_ops): Do not set the constant when this is not necessary. (simplify_shift_const_1): Do not modify it either in this case. From-SVN: r145430
2009-03-30combine.c (simplify_comparison): Use have_insn_for.Paolo Bonzini1-2/+2
2009-03-30 Paolo Bonzini <bonzini@gnu.org> * combine.c (simplify_comparison): Use have_insn_for. * dojump.c (do_jump): Likewise. From-SVN: r145285
2009-03-30bb-reorder.c (partition_hot_cold_basic_blocks): Do not enter/exit cfglayout ↵Paolo Bonzini1-69/+80
mode. 2009-03-30 Paolo Bonzini <bonzini@gnu.org> * bb-reorder.c (partition_hot_cold_basic_blocks): Do not enter/exit cfglayout mode. (pass_partition_block): Require it. * combine.c (find_single_use, reg_dead_at_p): Use CFG. (combine_instructions): Track basic blocks instead of labels. (update_cfg_for_uncondjump): New. (try_combine): Use it. Update jumps after rescanning. (pass_combine): Require PROP_cfglayout. * passes.c (pass_outof_cfg_layout_mode): Move after regmove. From-SVN: r145283
2009-03-05combine.c (gen_lowpart_for_combine): Use omode when generating clobber.J"orn Rennecke1-1/+1
* combine.c (gen_lowpart_for_combine): Use omode when generating clobber. From-SVN: r144630
2009-01-13re PR rtl-optimization/38774 (ice in df_refs_verify, at df-scan.c:4307)Jakub Jelinek1-1/+2
PR rtl-optimization/38774 * combine.c (simplify_set): When undoing cc_use change, don't do PUT_CODE on the newly created comparison, but instead put back the old comparison. * gcc.dg/torture/pr38774.c: New test. From-SVN: r143355
2009-01-12combine.c (combine_instructions): Recompute optimize_this_for_speed_p for ↵Richard Earnshaw1-0/+1
each BB in the main combine loop. * combine.c (combine_instructions): Recompute optimize_this_for_speed_p for each BB in the main combine loop. From-SVN: r143293
2009-01-06re PR rtl-optimization/38722 (Revision 143027 causes ICE in ↵Jakub Jelinek1-9/+13
find_decomposable_subregs) PR rtl-optimization/38722 * combine.c (try_combine): Don't modify PATTERN (i3) and notes too early, only set a flag and modify after last possible undo_all point. * gfortran.dg/pr38722.f90: New test. From-SVN: r143132
2008-12-03re PR rtl-optimization/38281 (segmentation fault with optimization enabled)Eric Botcazou1-0/+4
PR rtl-optimization/38281 * combine.c (distribute_notes): When invoking SET_INSN_DELETED on i2, set it to NULL_RTX afterwards. * emit-rtl.c (set_insn_deleted): Fix formatting. Co-Authored-By: Andrew Pinski <andrew_pinski@playstation.sony.com> Co-Authored-By: Jakub Jelinek <jakub@redhat.com> From-SVN: r142388
2008-11-10re PR middle-end/37807 (Exponential compile time with MMX builtins.)Ralph Loader1-0/+4
PR middle-end/37807 PR middle-end/37809 * combine.c (force_to_mode): Do not process vector types. * rtlanal.c (nonzero_bits1): Do not process vector types. (num_sign_bit_copies1): Likewise. testsuite/ChangeLog PR middle-end/37807 PR middle-end/37809 * gcc/testsuite/gcc.target/i386/mmx-8.c: New test. From-SVN: r141732
2008-10-28re PR c/37924 (ice in smallest_mode_for_size, at stor-layout.c:219)Jakub Jelinek1-6/+8
PR c/37924 * combine.c (make_compound_operation): Don't call make_extraction with non-positive length. (simplify_shift_const_1): Canonicalize count even if complement_p. * gcc.c-torture/execute/pr37924.c: New test. From-SVN: r141413
2008-10-13combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on non-integer modes.Joseph Myers1-0/+1
* combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on non-integer modes. From-SVN: r141096
2008-10-11re PR middle-end/37448 (cannot compile big function)Kenneth Zadeck1-3/+3
2008-10-11 Kenneth Zadeck <zadeck@naturalbridge.com> PR rtl-optimization/37448 * df.h: (df_ref_class): New enum. (DF_REF_TYPE_NAMES, df_ref_extract): Removed. (struct df_ref): Replaced with union df_ref_d. (df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref): New members of df_ref_d union. (DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN, DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS, DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG, DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET, DF_REF_EXTRACT_MODE): Replaced definition to access union df_ref_d. (DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros. (df_scan_bb_info, df_bb_regno_first_def_find, df_bb_regno_last_def_find, df_find_def, df_find_use, df_refs_chain_dump, df_regs_chain_dump, df_ref_debug, debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy, df_ref_create, df_ref_remove, df_compute_accessed_bytes, df_get_artificial_defs, df_get_artificial_uses, union_defs) Replaced struct df_ref * with df_ref. * df-scan.c (df_collection_rec, df_null_ref_rec, df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref, df_grow_ref_info, df_ref_create, df_reg_chain_unlink, df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain, df_ref_chain_delete, df_free_collection_rec, df_insn_rescan, df_reorganize_refs_by_reg_by_reg, df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg, df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs, df_sort_and_compress_refs, df_install_ref, df_install_refs, df_ref_record, df_get_conditional_uses, df_get_call_refs, df_bb_refs_record, df_exit_block_uses_collect, df_record_exit_block_uses, df_reg_chain_mark, df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct df_ref * with df_ref. (df_ref_record, df_uses_record, df_ref_create_structure): Added df_ref_class parameter. (df_scan_problem_data): Added new pools for different types of refs. (df_scan_free_internal, df_scan_alloc, df_free_ref, df_ref_create_structure): Processed new ref pools. (df_scan_start_dump): Added counts of refs and insns. (df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record, df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, df_entry_block_defs_collect, df_exit_block_uses_collect): Added code to pass df_ref_class down to ref creation functions. (df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1, df_reg_chain_mark): Use macros to hide references to df_refs. (df_ref_chain_change_bb): Removed. (df_insn_change_bb): Remove calls to df_ref_insn_change_bb. (df_ref_equal_p, df_ref_compare, df_ref_create_structure): Enhanced to understand df_ref union structure. * fwprop.c (local_ref_killed_between_p, use_killed_between, all_uses_available_at, update_df, try_fwprop_subst, forward_propagate_subreg, forward_propagate_and_simplify, forward_propagate_into, fwprop, fwprop_addr): Replaced struct df_ref * with df_ref. (use_killed_between, all_uses_available_at): Use macros to hide references to df_refs. * regstat.c (regstat_bb_compute_ri, regstat_bb_compute_calls_crossed): Replaced struct df_ref * with df_ref. * see.c (see_handle_relevant_defs, see_handle_relevant_uses, see_handle_relevant_refs, see_analyze_one_def, see_update_relevancy, see_propagate_extensions_to_uses): Replaced struct df_ref * with df_ref. * ra-conflict.c (record_one_conflict, clear_reg_in_live, global_conflicts): Replaced struct df_ref * with df_ref. * ddg.c (create_ddg_dep_from_intra_loop_link, add_cross_iteration_register_deps, build_inter_loop_deps): Replaced struct df_ref * with df_ref. (create_ddg_dep_from_intra_loop_link, add_cross_iteration_register_deps): Use macros to hide references to df_refs. * auto-inc-dec.c (find_inc, merge_in_block): Replaced struct df_ref * with df_ref. * df-core.c (df_bb_regno_first_def_find, df_bb_regno_last_def_find, df_find_def, df_find_use, df_refs_chain_dump, df_regs_chain_dump, df_ref_debug, debug_df_ref): Replaced struct df_ref * with df_ref. (df_mws_dump, df_ref_debug): Use macros to hide references to df_refs. * cse.c (cse_extended_basic_block): Replaced struct df_ref * with df_ref. * web.c (union_defs, entry_register, replace_ref, web_main): Replaced struct df_ref * with df_ref. (union_defs, replace_ref): Use macros to hide references to df_refs. * global.c (compute_regs_asm_clobbered, build_insn_chain): Replaced struct df_ref * with df_ref. * ifcvt.c (dead_or_predicable): Replaced struct df_ref * with df_ref. * sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ): Replaced struct df_ref * with df_ref. * ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p, mark_ref_dead, process_bb_node_lives): Replaced struct df_ref * with df_ref. * local-alloc.c (block_alloc): Replaced struct df_ref * with df_ref. * df-byte-scan.c (df_compute_accessed_bytes_extract, df_compute_accessed_bytes_strict_low_part, df_compute_accessed_bytes_subreg, df_compute_accessed_bytes): Replaced struct df_ref * with df_ref. (df_compute_accessed_bytes): Use macros to hide references to df_refs. * init-regs.c (initialize_uninitialized_regs): Replaced struct df_ref * with df_ref. * loop-invariant.c (invariant_for_use, hash_invariant_expr_1, check_dependency, check_dependencies, record_uses): Replaced struct df_ref * with df_ref. (invariant_for_use, check_dependency): Use macros to hide references to df_refs. * loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def, get_biv_step_1, get_biv_step, record_iv, iv_analyze_def, iv_analyze, biv_p): Replaced struct df_ref * with df_ref. (iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide references to df_refs. * ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref. * combine.c (create_log_links): Replaced struct df_ref * with df_ref. * df-problems.c (df_rd_bb_local_compute_process_def, df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create, df_chain_unlink_1, df_chain_unlink, df_chain_copy, df_chain_remove_problem, df_chain_create_bb_process_use, df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_check_regs, df_byte_lr_bb_local_compute, df_byte_lr_simulate_defs, df_byte_lr_simulate_uses, df_byte_lr_simulate_artificial_refs_at_top, df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note, df_note_bb_compute, df_note_add_problem, df_simulate_defs, df_simulate_uses, df_simulate_artificial_refs_at_end, df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref. (df_chain_dump): Use macros to hide references to df_refs. * config/mips/mips.c (r10k_simplify_address): Replaced struct df_ref * with df_ref. * dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes, mark_artificial_uses, mark_reg_dependencies, byte_dce_process_block): Replaced struct df_ref * with df_ref. From-SVN: r141067
2008-09-25combine.c (make_compound_operation): Handle the 'E' format.Richard Sandiford1-8/+20
gcc/ * combine.c (make_compound_operation): Handle the 'E' format. (count_rtxs): Likewise. (update_table_tick): Likewise. (get_last_value_validate): Likewise. From-SVN: r140669
2008-08-31fwprop.c (should_replace_address): Add speed attribute.Jan Hubicka1-10/+19
* fwprop.c (should_replace_address): Add speed attribute. (PR_OPTIMIZE_FOR_SPEED): New flag. (propagate_rtx_1): Use it. (propagate_rtx): Set it. (try_fwprop_subst): Update call of rtx_costs. (forward_propagate_and_simplify): LIkewise. * hooks.c (hook_int_rtx_bool_0): New (hook_bool_rtx_int_int_intp_false): Replace by ... (hook_bool_rtx_int_int_intp_bool_false): .. thisone. * hooks.h (hook_int_rtx_bool_0): New (hook_bool_rtx_int_int_intp_false): Replace by ... (hook_bool_rtx_int_int_intp_bool_false): .. thisone. * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost. (prepare_cmp_insn): UPdate call of rtx_cost. * postreload.c (reload_cse_simplify_set): Update call of rtx_cost. (reload_cse_simplify_operands): Update call of rtx_cost. (reload_cse_move2add): call of rtx_cost. * target.h (struct gcc_target): Update rtx_costs and address_costs. * rtlanal.c (rtx_cost): Add speed argument. (address_cost): Add speed argument (default_address_cost): Likewise. (insn_rtx_cost): Likewise. * cfgloopanal.c (seq_cost): Add speed argument. (target_reg_cost, target_spill_cost): Turn to array. (init_set_costs): Update for speed. (estimate_reg_pressure_cost): Add speed argument. * auto-inc-dec.c (attempt_change): Update call of rtx_cost. * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost. * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed. (seq_cost): Add speed argument. (computation_cost): Add speed arugment. (add_cost, multiply_by_const, get_address_cost): add speed argument. (force_expr_to_var_cost): Update for profile info. (force_var_cost): Likewise. (split_address_cost): Likewise. (ptr_difference_cost): Likewise. (difference_cost): Likewise. (get_computation_cost_at): Likewise. (determine_iv_cost): Likewise. (ivopts_global_cost_for_size): Likewise. (rewrite_use_address): Likewise. (tree_ssa_iv_optimize_loop): Initialize speed field. * cse.c (optimize_this_for_speed_p): New static var. (notreg_cost): Update call of rtx_cost. (cse_extended_basic_block): set optimize_this_for_speed_p. * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost. (noce_try_cmove_arith): Likewise. (noce_try_sign_mask): LIkewise. * expr.c (compress_float_constant): Update rtx_cost calls. * tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument. (addr_to_parts): Likewise. (create_mem_ref): Likewise. * dse.c (find_shift_sequence): Add speed argument. (replace_read): Update call. * calls.c (precompute_register_parameters): Update call of rtx_cost. * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, * neg_cost, shift_cost, shiftadd_cost, shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost, mul_highpart_cost): Increase dimension. (init_expmed): Initialize for both size and speed. (expand_shift): Use profile. (synth_mult): Use profile. (choose_mult_variant): Use profile. (expand_mult): Use profile. (expand_mult_highpart_optab): Use profile. (expand_mult_highpart): Use profile. (expand_smod_pow2): Use profile. (expand_divmod): Use profile. * simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost. * loop-invariant.c (create_new_invariant): Use profile. (gain_for_invariant): Add speed parameter. (best_gain_for_invariant): Likewise. (find_invariants_to_move): Likewise. (move_single_loop_invariants): Set it. * target-def.h (TARGET_RTX_COSTS): Use hook. * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe. (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare. * output.h (default_address_cost): Update prototype. * combine.c (optimize_this_for_speed_p): New static var. (combine_validate_cost): Update call of rtx_cost. (combine_instructions): Set optimize_this_for_speed_p. (expand_compound_operation): Update call of rtx_cost. (make_extraction):Update call of rtx_cost. (force_to_mode):Update call of rtx_cost. (distribute_and_simplify_rtx):Update call of rtx_cost. * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array. (estimate_reg_pressure_cost): Update prototype. * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype. * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p): Remove. * config/alpha/alpha.c (alpha_rtx_costs): Update. (alpha_rtx_costs): Update. * config/frv/frv.c (frv_rtx_costs): Update. * config/s390/s390.c (s390_rtx_costs): Update. * config/m32c/m32c.c (m32c_memory_move_cost): Update. (m32c_rtx_costs): Update. * config/spu/spu.c (TARGET_ADDRESS_COST): Upate. (spu_rtx_costs): Update. * config/sparc/sparc.c (sparc_rtx_costs): Update. * config/m32r/m32r.c (m32r_rtx_costs): Update. * config/i386/i386.c (:ix86_address_cost): Update. (ix86_rtx_costs): Update. * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update. * config/pdp11/pdp11.c (pdp11_rtx_costs): Update. * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update. * config/crx/crx.c (crx_address_cost): Update. * config/xtensa/xtensa.c (xtensa_rtx_costs): Update. * config/stormy16/stormy16.c (xstormy16_address_cost, xstormy16_rtx_costs): Update. * config/m68hc11/m68hc11.c (m68hc11_address_cost, m68hc11_rtx_costs): Update. * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update. * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update. * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update * config/ia64/ia64.c (ia64_rtx_costs): Update. * config/m68k/m68k.c (m68k_rtx_costs): Update. * config/rs6000/rs6000.c (rs6000_rtx_costs): Update. * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update. * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update. (mcore_rtx_costs): update. * config/score/score3.c (score3_rtx_costs): Update. * config/score/score7.c (score7_rtx_costs): Update. * config/score/score3.h (score3_rtx_costs):Update. * config/score/score7.h (score7_rtx_costs): Update. * config/score/score.c (score_rtx_costs): Update. * config/arm/arm.c (arm_address_cost): Update. (arm_rtx_costs_1): Update. (arm_rtx_costs_1): Update. (arm_size_rtx_costs): Update. (arm_size_rtx_costs): Update. (arm_size_rtx_costs): Update. (arm_xscale_rtx_costs): Update. (arm_thumb_address_cost): Update. * config/pa/pa.c (hppa_address_cost): Update. * config/mips/mips.c (mips_rtx_costs): Update. * config/vax/vax.c (vax_address_cost): Update. * config/h8300/h8300.c (h8300_shift_costs): Update. (h8300_rtx_costs): Update. * config/v850/v850.c (TARGET_ADDRESS_COST): Update. (v850_rtx_costs): Update. * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update. * config/bfin/bfin.c (bfin_address_cost): Update. (bfin_rtx_costs): Update. * stmt.c (lshift_cheap_p): Update. From-SVN: r139821
2008-08-08recog.c (split_all_insns): Set RTL profileJan Hubicka1-0/+2
* recog.c (split_all_insns): Set RTL profile (peephole2_optimize): Likewise. * function.c (thread_prologue_and_epilogue_insns): Likewise. * combine.c (combine_instructions): Likewise. From-SVN: r138863
2008-07-25cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.Jan Hubicka1-2/+1
* cgraphbuild.c (record_reference): Drop non-unit-at-a-time code. (build_cgraph_edges): Likewise. * cgraph.c (cgraph_node): Do not update assembler hash. (cgraph_remove_node): Drop non-unit-at-a-time code. * tree-pass.h (pass_O0_always_inline): Remove. * ipa-reference.c (gate_reference): Remove unit-at-a-time check. * toplev.c (process_options): Flag unit-at-a-time does not imply no section anchors. * cgraphunit.c: Update comments. (decide_is_function_needed): Drop non-unit-at-a-time mode. (cgraph_assemble_pending_functions): Remove. (cgraph_reset_node): Drop non-unit-at-a-time code. (cgraph_finalize_function): Likewise. (cgraph_analyze_function): Likewise. (cgraph_finalize_compilation_unit): Likewise. (cgraph_expand_function): Likewise. (cgraph_optimize): Likesise. (save_inline_function_body): Likewise. * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check. * tree-ssa-alias.c (maybe_be_aliased): Likewise. * ipa-inline.c: Update comments. (enum inlining_mode): remove INLINE_SPEED. (cgraph_clone_inlined_nodes): Drop unit-at-a-time check. (cgraph_mark_inline_edge): Likewise. (try_inline): Likewise. (cgraph_decide_inlining_incrementally): Likewise. (cgraph_gate_inlining): Remove. (cgraph_early_inlining): Remove flag_unit_at_a_time checks. (cgraph_gate_early_inlining): Likewise. (gate_inline_passes): Remove. (pass_inline_parameters, pass_ipa_inline): Remove gates. (cgraph_gate_O0_always_inline, cgraph_O0_always_inline, pass_O0_always_inline): Remove. * c-pch.c (c_pch_matching): Remove -funit-at-a-time. * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check. * opts.c (no_unit_at_a_time_default): Remove. (decode_options): Remove flag_unit_at_a_time reset and warning. * opts.h (no_unit_at_a_time_default): Remove. * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword early in GNU dialect. (merge_decls): Update comment; drop unit-at-a-time check. (finish_decl): Likewise. (grok_declaration): Remove flag_inline_trees code. (finish_functions): Return on function returning non-void on all statics. * ipa-tye-escape.c (gate_type_escape_vars): Remove. * cfgexpand.c (expand_one_static_var): Remove. (expand_one_var): Remove expand_one_static_var call. (expand_used_vars_for_block): Remove flag_unit_a_time check. * c-opts.c (c_common_post_options): Remove flag_inline_trees code and flag_unit_at_a-time compatibility checks. * varasm.c (assemble_alias): Remove flag_unit_at_a_time check. * tree-inline.c (flag_inline_trees): Remove. (inlinable_function_p): Don't check it. (expand_call_inline): Remove non-unit-at-a-time code. * tree-inline.h (flag_inline_trees): Remove. * tree-optimize.c (execute_early_local_optimizations): Remove unit-at-a-time checks. (tree_rest_of_compilation): Likewise. * combine.c (setup_incoming_promotions): Likewise. * tree-profile.c (tree_gen_ic_func_profiler): Likewise. * tree-ssa-structalias.c (delete_points_to_sets): Likewise. * passes.c (pass_inline_parameters): Update comments; remove O0_alwaysinline pass. (execute_one_ipa_transform_pass): Do not reset in_gimple_form. (execute_one_pass): Likewise. * i386.c (ix86_function_regparm): Remove unit-at-a-time check. (ix86_function_sseregparm): Likewise. * arm.c (arm_function_in_section_p): Likewise. * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise. * varpool.c: Update comments. (decide_is_variable_needed): Remove unit-at-a-time checks. (varpool_finalize_decl): Likewise. * ada/utils.c (end_subprog_body): Remove inline trees check. * ada/misc.c (gnat_post_options): Do not set flag_inline_trees. * fortran/options.c (gfc_post_options): Remove flag_unline_trees code. * gcc.dg/winline-4.c: Remove. * gcc.dg/pch/valid-3.hs: Remove. * gcc.dg/pch/valid-3.c: Remove. * g++.old-deja/g++.brendan/crash52.C: Accept returning void warning * g++.old-deja/g++.jason/report.C: Likewise. * testsuite/g++.dg/warn/pr23075.C: We get returning void warning instead of control flow warning. * cp/decl.c (duplicate_decls): Update comment and unit-at-a-time. (grogfndecl): Drop flag_inline_trees code. * cp/pt.c (instantiate_decl): Drop flag_iline_trees code. * cp/lex.c (cxx_init): Do not set unit-at-a-time. * java/decl.c: Include cgraph.h (end_java_method): Remove non-unit-at-a-time code. (java_mark_decl_local): Likewise; sanity check that we don't touch finalized nodes. From-SVN: r138140
2008-07-15bt-load.c (add_btr_def, [...]): Avoid C++ keywords.Kaveh R. Ghazi1-101/+101
* bt-load.c (add_btr_def, migrate_btr_def, branch_target_load_optimize): Avoid C++ keywords. * caller-save.c (insert_restore, insert_save, insert_one_insn): Likewise. * combine.c (subst, simplify_set, make_extraction, make_compound_operation, known_cond, simplify_shift_const_1): Likewise. * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg, fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise. From-SVN: r137847
2008-07-02rtlanal.c (add_reg_note): New function.Ian Lance Taylor1-7/+2
* rtlanal.c (add_reg_note): New function. * rtl.h (add_reg_note): Declare. * auto-inc-dec.c (attempt_change): Use add_reg_note. * bb-reorder.c (add_reg_crossing_jump_notes): Likewise. * builtins.c (expand_builtin_longjmp): Likewise. (expand_builtin_nonlocal_goto): Likewise. * calls.c (emit_call_1, expand_call): Likewise. * cfgexpand.c (add_reg_br_prob_note): Likewise. * cfglayout.c (fixup_reorder_chain): Likewise. * cfgrtl.c (force_nonfallthru_and_redirect): Likewise. (commit_one_edge_insertion): Likewise. * combine.c (move_deaths, distribute_notes): Likewise. * df-problems.c (df_set_note): Likewise. * emit-rtl.c (link_cc0_insns, try_split): Likewise. (set_unique_reg_note): Likewise. (emit_copy_of_insn_after): Likewise. * expr.c (expand_expr_real): Likewise. * gcse.c (add_label_notes): Likewise. * haifa-sched.c (create_check_block_twin): Likewise. * jump.c (mark_jump_label_1): Likewise. * loop-doloop.c (add_test, doloop_modify): Likewise. * loop-unswitch.c (compare_and_jump_seq): Likewise. * lower-subreg.c (move_eh_region_note): Likewise. * optabs.c (emit_libcall_block): Likewise. * predict.c (predict_insn): Likewise. (combine_predictions_for_insn): Likewise. * recog.c (peephole2_optimize): Likewise. * regmove.c (try_auto_increment): Likewise. * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise. * reload.c (find_reloads): Likewise. * reload1.c (fixup_eh_region_note): Likewise. (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise. * reorg.c (delete_prior_computation): Likewise. (delete_computation, dbr_schedule): Likewise. * config/pa/pa.c (legitimize_pic_address): Likewise. * config/sh/sh.c (sh_reorg): Likewise. From-SVN: r137374
2008-06-26alias.c (record_alias_subset, [...]): Fix -Wc++-compat and/or -Wcast-qual ↵Kaveh R. Ghazi1-1/+2
warnings. * alias.c (record_alias_subset, init_alias_analysis): Fix -Wc++-compat and/or -Wcast-qual warnings. * attribs.c (lookup_attribute_spec): Likewise. * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round, copy_bb, connect_traces, find_rarely_executed_basic_blocks_and_cr): Likewise. * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user, note_btr_set, migrate_btr_defs): Likewise. * builtins.c (result_vector, expand_builtin_memcpy, expand_builtin_mempcpy_args, expand_builtin_strncpy, builtin_memset_read_str, expand_builtin_printf, fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf): Likewise. * caller-save.c (mark_set_regs): Likewise. * calls.c (expand_call, emit_library_call_value_1): Likewise. * cgraph.c (cgraph_edge): Likewise. * combine.c (likely_spilled_retval_1): Likewise. * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq, htab_counts_entry_del, get_coverage_counts): Likewise. * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p, new_cselib_val): Likewise. * dbgcnt.c (dbg_cnt_process_opt): Likewise. * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper): Likewise. * df-core.c (df_compact_blocks): Likewise. * df-problems.c (df_grow_bb_info, df_chain_create): Likewise. * df-scan.c (df_grow_reg_info, df_ref_create, df_insn_create_insn_record, df_insn_rescan, df_notes_rescan, df_ref_compare, df_ref_create_structure, df_bb_refs_record, df_record_entry_block_defs, df_record_exit_block_uses, df_bb_verify): Likewise. * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST, DF_REF_EXTRACT_MODE_CONST): New. * dominance.c (get_immediate_dominator, get_dominated_by, nearest_common_dominator, root_of_dom_tree, iterate_fix_dominators, first_dom_son, next_dom_son): Fix -Wc++-compat and/or -Wcast-qual warnings. * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM, record_store, replace_read, check_mem_read_rtx, scan_insn, dse_step1, dse_record_singleton_alias_set): Likewise. * dwarf2asm.c (dw2_force_const_mem): Likewise. From-SVN: r137137
2008-06-17Remove libcall notes.Steven Bosscher1-77/+1
* see.c (see_analyse_one_def): Do not look for REG_LIBCALL and REG_RETVAL notes. (see_update_relevancy): Likewise. * fwprop.c (try_fwprop_subst): Likewise. * rtlanal.c (noop_move_p): Likewise. * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL notes to non-existing libcall blocks. * cse.c (cse_insn): Change prototype. Don't update libcall notes. Remove orig_set. (cse_extended_basic_block): Don't track libcall and no-conflict notes. (dead_libcall_p): Remove. (delete_trivially_dead_insns): Don't use it. * web.c (union_defs): Remove comment about keeping nops. * gcse.c (hash_scan_insn): Don't take libcall pointers. (compute_hash_table_work): Don't track libcall notes. (do_local_cprop): Don't take libcall pointers. Don't update libcall notes. (adjust_libcall_notes): Deleted. (local_cprop_pass): Remove stack for nested libcalls (which shouldn't ever have existed in the first place). (replace_store_insn): Don't try to remove libcall notes. * lower-subreg.c (move_libcall_note, move_retval_note): Deleted. (resolve_reg_notes): Don't call them. (resolve_simple_move): Likewise. (decompose_multiword_subregs): Remove block handling REG_RETVAL notes. Don't remove REG_RETVAL notes. * emit-rtl.c (try_split): Don't update libcall notes. (emit_copy_of_insn_after): Dito. * cselib.c (cselib_current_insn_in_libcall): Remove. (cselib_process_insn): Don't set/clear it. (new_elt_loc_list): Don't record it. (cselib_init): Don't initialize it. * cselib.c (struct elt_loc_list): Remove in_libcall field. * loop-invariant.c (find_invariant_insn): Don't look for libcall notes. * sched-deps.c (sched_analyze_insn): Don't group libcall blocks. (sched_analyze): Don't set up deps->libcall_block_tail_insn. (init_deps): Don't initialize it. * sched-int.h (struct deps): Rremove libcall_block_tail_insn field. * combine.c (delete_noop_moves): Don't update libcall notes. (can_combine_p): Remove now pointless #if 0 block. (try_combine): Remove another obsolete #if 0 block. (distribute_notes): Don't distribute libcall notes. * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove. * dce.c (libcall_dead_p): Remove. (delete_unmarked_insns): Don't handle libcall blocks. (preserve_libcall_for_dce): Remove. (prescan_insns_for_dce): Don't special-case libcall block insns. * reload1 (reload): Don't handle libcall notes. * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove documentation. From-SVN: r136861
2008-05-15re PR middle-end/36194 (Truncation optimization in combine can remove ↵Adam Nemet1-24/+39
necessary truncations) PR middle-end/36194 * combine.c (check_conversion): Rename to check_promoted_subreg. Don't call record_truncated_value from here. (record_truncated_value): Turn it into a for_each_rtx callback. (record_truncated_values): New function. (combine_instructions): Call note_uses with record_truncated_values. Change name of check_conversion to check_promoted_subreg. testsuite/ * gcc.dg/pr36194.c: New test. From-SVN: r135392
2008-05-14rtl.texi: Removed reference to REG_NO_CONFLICT notes.Kenneth Zadeck1-6/+1
2008-05-14 Kenneth Zadeck <zadeck@naturalbridge.com> * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes. * optabs.c (expand_binop, expand_absneg_bit, expand_unop, expand_copysign_bit, ): Change call to emit_no_conflict_block to emit_insn and remove unneeded code to construct extra args. (emit_no_conflict_block): Removed. * optabls.h: (emit_no_conflict_block): Removed. * cse.c (cse_extended_basic_block): Remove search for REG_NO_CONFLICT note. * global.c: Removed incorrect comment added in revision 117. * expr.c (convert_move): Change call to emit_no_conflict_block to emit_insn. * recog.c: Change comments so that they do not mention REG_NO_CONFLICT. * local_alloc.c (combine_regs): Removed last parameter. (no_conflict_p): Removed. (block_alloc): Removed note, no_conflict_combined_regno and set local vars. Removed all code to process REG_NO_CONFLICT blocks. (combine_regs): Removed already_dead and code to look for REG_NO_CONFLICT notes. * lower_subreg (remove_retval_note): Removed code to look for REG_NO_CONFLICT block. (resolve_reg_notes): Removed REG_NO_CONFLICT case. (resolve_clobber): Remove code to process libcalls that have REG_NO_CONFLICT notes. * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT case. * combine.c (can_combine_p, distribute_notes): Removed REG_NO_CONFLICT case. * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block to emit_insns. * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto. * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns): Ditto. * reg-notes.def (NO_CONFLICT): Removed. From-SVN: r135289
2008-04-04re PR target/34916 (gcc.c-torture/execute/pr27364.c fails with -O1, -O2 and -Os)Andy Hutchinson1-3/+13
PR rtl-optimization/34916 PR middle-end/35519 * combine.c (create_log_links): Do not create duplicate LOG_LINKS between instruction pairs From-SVN: r133920
2008-03-19re PR other/35094 (RTL dump file letters hosed and partly undocumented)Jan Hubicka1-2/+4
* gcc.dg/20050811-2.c: Update dumping flags. * gcc.dg/sms-2.c: Update dumping flags. * gcc.dg/var-expand1.c: Update dumping flags. * gcc.dg/var-expand3.c: Update dumping flags. * gcc.dg/pr30957-1.c: Update dumping flags. * gcc.dg/20050811-1.c: Update dumping flags. * gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail. * gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail. PR other/35094 * toplev.c (decode_d_option): Handle all CPP flags. * tree-vrp.c: Update tree_pass descriptors. * regrename.c: Update tree_pass descriptors. * fwprop.c: Update tree_pass descriptors. * doc/invoke.texi: Remove documentation of dropped -d? flags. * tree-into-ssa.c: Update tree_pass descriptors. * tree-dump.c: Update tree_pass descriptors. * tree-complex.c: Update tree_pass descriptors. * tree-dump.h: Update tree_pass descriptors. * see.c: Update tree_pass descriptors. * cgraphbuild.c: Update tree_pass descriptors. * tracer.c: Update tree_pass descriptors. * tree-loop-distribution.c: Update tree_pass descriptors. * cgraph.c: Update tree_pass descriptors. * postreload-gcse.c: Update tree_pass descriptors. * postreload.c: Update tree_pass descriptors. * tree-ssa-loop-ch.c: Update tree_pass descriptors. * tree-tailcall.c: Update tree_pass descriptors. * tree-pass.h (tree_opt_pass): Rename to ... (opt_pass) ... this one; add "type" field and remove letter field. (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New. (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes, all_lowering_passes): Update declaration. * ipa-cp.c: Update tree_pass descriptors. * final.c: Update tree_pass descriptors. * omp-low.c: Update tree_pass descriptors. * tree-ssa-dse.c: Update tree_pass descriptors. * ipa-reference.c: Update tree_pass descriptors. * tree-ssa-uncprop.c: Update tree_pass descriptors. * auto-inc-dec.c: Update tree_pass descriptors. * reorg.c: Update tree_pass descriptors. * cgraphunit.c: Update tree_pass descriptors. * tree-ssa-copyrename.c: Update tree_pass descriptors. * tree-ssa-ccp.c: Update tree_pass descriptors. * df-core.c: Update tree_pass descriptors. * mode-switching.c: Update tree_pass descriptors. * tree-nomudflap.c: Update tree_pass descriptors. * modulo-sched.c: Update tree_pass descriptors. * ipa-pure-const.c: Update tree_pass descriptors. * cse.c: Update tree_pass descriptors. * web.c: Update tree_pass descriptors. * tree-stdarg.c: Update tree_pass descriptors. * tree-ssa-math-opts.c: Update tree_pass descriptors. * tree-ssa-dom.c: Update tree_pass descriptors. * tree-nrv.c: Update tree_pass descriptors. * tree-ssa-alias.c: Update tree_pass descriptors. * loop-init.c: Update tree_pass descriptors. * gimple-low.c: Update tree_pass descriptors. * ipa-inline.c: Update tree_pass descriptors. * tree-ssa-sink.c: Update tree_pass descriptors. * global.c: Update tree_pass descriptors. * ifcvt.c: Update tree_pass descriptors. * jump.c: Update tree_pass descriptors. * predict.c: Update tree_pass descriptors. * tree-ssa-loop.c: Update tree_pass descriptors. * recog.c: Update tree_pass descriptors. * dse.c: Update tree_pass descriptors. * tree-ssa-ifcombine.c: Update tree_pass descriptors. * tree-eh.c: Update tree_pass descriptors. * regmove.c: Update tree_pass descriptors. * local-alloc.c * function.c: Update tree_pass descriptors. * tree-vectorizer.c: Update tree_pass descriptors. * gcse.c: Update tree_pass descriptors. * ipa-type-escape.c: Update tree_pass descriptors. * tree-if-conv.c: Update tree_pass descriptors. * init-regs.c: Update tree_pass descriptors. * ipa.c: Update tree_pass descriptors. * tree-ssa-phiopt.c: Update tree_pass descriptors. * rtl-factoring.c: Update tree_pass descriptors. * lower-subreg.c: Update tree_pass descriptors. * bt-load.c: Update tree_pass descriptors. * tree-dfa.c: Update tree_pass descriptors. * except.c: Update tree_pass descriptors. * emit-rtl.c: Update tree_pass descriptors. * cfgexpand.c: Update tree_pass descriptors. * tree-cfgcleanup.c: Update tree_pass descriptors. * cfgcleanup.c: Update tree_pass descriptors. * tree-ssa-pre.c: Update tree_pass descriptors. * tree-sra.c: Update tree_pass descriptors. * tree-mudflap.c: Update tree_pass descriptors. * tree-ssa-copy.c: Update tree_pass descriptors. * cfglayout.c: Update tree_pass descriptors. * tree-ssa-forwprop.c: Update tree_pass descriptors. * tree-ssa-dce.c: Update tree_pass descriptors. * tree-ssa.c: Update tree_pass descriptors. * regclass.c: Update tree_pass descriptors. * integrate.c: Update tree_pass descriptors. * tree-optimize.c: Update tree_pass descriptors. * tree-ssa-phiprop.c: Update tree_pass descriptors. * tree-object-size.c: Update tree_pass descriptors. * combine.c: Update tree_pass descriptors. * tree-outof-ssa.c: Update tree_pass descriptors. * bb-reorder.c: Update tree_pass descriptors. * stack-ptr-mod.c: Update tree_pass descriptors. * var-tracking.c: Update tree_pass descriptors. * tree-profile.c: Update tree_pass descriptors. * tree-vect-generic.c: Update tree_pass descriptors. * reg-stack.c: Update tree_pass descriptors. * sched-rgn.c: Update tree_pass descriptors. * tree-ssa-structalias.c: Update tree_pass descriptors. * tree-cfg.c: Update tree_pass descriptors. * passes.c (current_pass): Update declaration. (finish_optimization_passes): Update. (all_passes, all_ipa_passes, all_lowering_passes): Update declaration. (register_one_dump_file, register_dump_files_1, next_pass_1): Update arguments. (init_optimization_passes): Update handling of new types. (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update. * ipa-struct-reorg.c: Update tree_pass descriptors. * tree-ssa-reassoc.c: Update tree_pass descriptors. * combine-stack-adj.c: Update tree_pass descriptors. * cfgrtl.c: Update tree_pass descriptors. * dce.c: Update tree_pass descriptors. * tree-ssanames.c: Update tree_pass descriptors. From-SVN: r133342
2008-02-09re PR middle-end/34627 (Incorrect branching with -Ox on hppa)Steven Bosscher1-1/+2
PR middle-end/34627 combine.c (simplify_if_then_else): Make sure the comparison is against const0_rtx when simplifying to (abs x) or (neg (abs X)). From-SVN: r132193
2008-01-22re PR rtl-optimization/34628 (problems with inlining on ARM)Eric Botcazou1-6/+11
PR rtl-optimization/34628 * combine.c (try_combine): Stop and undo after the first combination if an autoincrement side-effect on the first insn has effectively been lost. From-SVN: r131744
2008-01-11re PR target/27971 (eliminate shift in array[(x>>2)&3])Raksit Ashok1-0/+9
gcc/ChangeLog PR rtl-optimization/27971 * combine.c (find_split_point): introduced a new split for certain types of mem rtx. gcc/testsuite/ChangeLog PR rtl-optimization/27971 * gcc.target/i386/pr27971.c: New testcase. From-SVN: r131460
2007-12-19rtl.def (SUBREG): Update comments.Richard Sandiford1-3/+3
gcc/ * rtl.def (SUBREG): Update comments. * rtl.h (reg_attrs): Be explicit about the type of offset used. (set_reg_attrs_from_mem): Rename to... (set_reg_attrs_from_value): ...this. (adjust_reg_mode, byte_lowpart_offset): Declare. * emit-rtl.c (byte_lowpart_offset): New function. (update_reg_offset): Remove special offset handling for big-endian targets. (gen_rtx_REG_offset, gen_reg_rtx_offset): Explicitly say that the offset parameter is added to REG_OFFSET. (adjust_reg_mode): New function. (set_reg_attrs_for_mem): Rename to... (set_reg_attrs_for_value): ...this and generalize to all values. If the register is a lowpart of the value, adjust the offset accordingly. (set_reg_attrs_for_parm): Update after the above renaming. (set_reg_attrs_for_decl_rtl): New function, split out from set_decl_incoming_rtl. Set the offset of plain REGs to the offset of the REG's mode from the decl's. Assert that all subregs are lowparts and handle their inner registers in the same way as plain REGs. (set_decl_rtl, set_incoming_decl_rtl): Use reg_attrs_for_decl_rtl. (subreg_lowpart_offset): Explicitly say that the returned offset is a SUBREG_BYTE. * combine.c (do_SUBST_MODE, try_combine, undo_all): Use adjust_reg_mode instead of PUT_MODE. * final.c (alter_subreg): Fix/update argument to gen_rtx_REG_offset. * config/ia64/ia64.c (ia64_expand_load_address): Likewise. * regclass.c (reg_scan_mark_refs): Use set_reg_attrs_from_value. * reload.c (find_reloads_subreg_address): Call set_mem_offset when offseting a MEM. * var-tracking.c (offset_valid_for_tracked_p): Delete. (mode_for_reg_attrs): Replace with... (track_loc_p): ...this new function. Return the mode and offset to the caller, checking that the latter is valid. If the rtx is a paradoxical lowpart of the decl, use the decl's mode instead. Do the same when storing to a register that contains the entire decl. (var_lowpart): Use byte_lowpart_offset rather than subreg_lowpart_offset when adjusting the offset attribute. (count_uses, add_uses, add_stores): Use track_reg_p instead of REG_EXPR, MEM_EXPR, REG_OFFSET, INT_MEM_OFFSET, track_expr_p, offset_valid_for_tracked_p and mode_for_reg_attrs. Generate lowparts for MEMs as well as REGs. (vt_add_function_parameters): When obtaining the information from the decl_rtl, adjust the offset to match incoming. Use track_loc_p and var_lowpart. From-SVN: r131055
2007-12-03re PR middle-end/33713 (can't find a register in class 'GENERAL_REGS' while ↵Steven Bosscher1-1/+1
reloading 'asm') PR33713 * doc/invoke.texi: Remove -fforce-addr documentation. * expr.c (emit_move_insn): Remove use of flag_force_addr. (expand_expr_real_1): Same. (do_tablejump): Same. Call memory_address instead of memory_address_noforce. * expr.h (memory_address_noforce): Remove prototype. * explow.c (memory_address): Remove support for flag_force_addr. (validize_mem): Same. (memory_address_noforce): Remove. * common.opt: Add dummy documentation for -fforce-addr. * combine.c (can_combine_p): Remove -fforce-addr comment. * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove set of flag_force_addr. * config/m68k/m68k.h (PIC_CASE_VECTOR_ADDRESS): Remove comment relating to memory_address_noforce. * testsuite/gcc.c-torture/compile/20050802-1.c: Remove. * testsuite/gcc.c-torture/compile/20011113-1.c: Remove. From-SVN: r130591
2007-10-23re PR rtl-optimization/33846 (ICE in trunc_int_for_mode, at explow.c:55)Uros Bizjak1-0/+3
PR rtl-optimization/33846 * combine.c (simplify_shift_const_1) [NOT]: Skip vector modes. testsuite/ChangeLog: PR rtl-optimization/33846 * gcc.dg/vect/pr33846.c: New testcase. From-SVN: r129589
2007-10-22re PR rtl-optimization/33644 (ICE in local_cprop_pass with -ftrapv for crafty)Eric Botcazou1-9/+0
PR rtl-optimization/33644 * cfgcleanup.c: Do not include dce.h. * cfgrtl.c (delete_insn_chain_and_edges): Resurrect. * combine.c (distribute_notes): Delete REG_LIBCALL_ID case. * dce.c (something_changed): Delete. (libcall_dead_p): New predicate. (delete_unmarked_insns): Use it to delete dead libcalls. Deal with REG_LIBCALL and REG_RETVAL notes. (prescan_libcall_for_dce): New function. (prescan_insns_for_dce): Use it to deal with libcalls. (mark_reg_dependencies): Do nothing special for libcalls. (dce_process_block): Likewise. (fast_dce): Delete unused local variable. (run_fast_dce): Do not return a value. * dce.h (struct df): Delete. (run_fast_dce): Adjust prototype. * optabs.c (libcall_id): Delete. (maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes. (emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes. * reload1.c (reload): Delete REG_LIBCALL_ID case. * rtl.h (delete_insn_chain_and_edges): Resurrect prototype. * see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL notes instead of REG_LIBCALL_ID notes. * reg-notes.def (LIBCALL_ID): Delete. * Makefile.in (see.o): Add dce.h dependency. (cfgcleanup.o): Remove dce.h dependency. From-SVN: r129556
2007-10-08combine.c (setup_incoming_promotions): Ensure that arguments that have not ↵Mark Shinwell1-4/+6
undergone mode promotions do not... gcc/ * combine.c (setup_incoming_promotions): Ensure that arguments that have not undergone mode promotions do not incorrectly get marked as being sign- or zero-extended. From-SVN: r129131
2007-09-20combine.c: Include cgraph.h.Mark Shinwell1-14/+51
gcc/ * combine.c: Include cgraph.h. (setup_incoming_promotions): Rework to allow more aggressive elimination of sign extensions when all call sites of the current function are known to lie within the current unit. From-SVN: r128618