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2001-01-14combine.c (simplify_comparison): Don't change `code' when can't reverse ↵Geoffrey Keating1-5/+11
comparison. * combine.c (simplify_comparison): Don't change `code' when can't reverse comparison. From-SVN: r39007
2001-01-12combine.c (reversed_comparison): Fix typo in last patch.Andreas Jaeger1-3/+3
* combine.c (reversed_comparison): Fix typo in last patch. Check X for NULL. (combine_reversed_comparison_code): Make static to follow prototype declaration. Co-Authored-By: Jan Hubicka <jh@suse.cz> From-SVN: r38942
2001-01-11i386.c (ix86_comparison_operator, [...]): Convert fp comparison codes to ↵Jan Hubicka1-90/+86
integer before handling. * i386.c (ix86_comparison_operator, fcmov_comparison_operator, put_condition_code): Convert fp comparison codes to integer before handling. (ix86_expand_fp_compare): Postnote the fp comparison code converison to final. * i386.c (unsigned_comparison, no_comparison_operator): Kill. * i386-protos.h (no_comparison_operator): Kill. * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion. * combine.c (REVERSIBLE_CC_MODE): Remove. (reversible_comparison_p): Remove. (combine_reversed_comparison_code): New. (reversed_comparison): New. (combine_simplify_rtx): Use combine_reversed_comparison_code/reversed_comparison instead of reversible_comparison_p. (simplify_if_then_else): Likewise. (simplify_set): Likewise. (simplify_logical): Likewise. (if_then_else_cond): Likewise. (known_cond): Likewise. (simplify_comparison): Likewise. From-SVN: r38930
2001-01-07combine.c (combine_simplify_rtx): Recognize the unordered compares.Jan Hubicka1-9/+27
* combine.c (combine_simplify_rtx): Recognize the unordered compares. (nonzero_bits): Likewise. (simplify_comparison): Likewise. (num_sign_bit_copies): Likewise; return more sane value depending on STORE_FLAG_VALUE. (known_cond): Do not assume EQ to be always true for equivalent operands. From-SVN: r38774
2001-01-03combine.c (simplify_shift_const): Even if we're sign-extracting...Alexandre Oliva1-4/+9
* combine.c (simplify_shift_const): Even if we're sign-extracting, don't discard an ASHIFTRT if we're shifting in a wider mode. From-SVN: r38648
2000-12-21* combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes.Graham Stott1-0/+9
From-SVN: r38422
2000-12-15combine.c (cant_combine_insn_p): Get around SUBREGs when determining ↵Jan Hubicka1-0/+4
hardreg<->reg moves. * combine.c (cant_combine_insn_p): Get around SUBREGs when determining hardreg<->reg moves. From-SVN: r38285
2000-12-01Further tweak cant_combine_insn_pBernd Schmidt1-38/+13
From-SVN: r37915
2000-12-01combine.c (try_combine): Disregard USEs when updating LOG_LINKS of ↵Alexandre Oliva1-1/+2
subsequent insns. * combine.c (try_combine): Disregard USEs when updating LOG_LINKS of subsequent insns. From-SVN: r37905
2000-11-29function.h (emit_status): Delete member regno_pointer_flag and rename ↵John David Anglin1-2/+2
regno_pointer_flag_length to... * function.h (emit_status): Delete member regno_pointer_flag and rename regno_pointer_flag_length to regno_pointer_align_length. Delete define for REGNO_POINTER_FLAG. * integrate.h (inline_remap): Delete member regno_pointer_flag. Add member x_regno_reg_rtx. * rtl.h (rtx_def): Use frame_related bit to indicate register is a pointer in REG expressions. Define REG_POINTER macro. * alias.c (find_base_value, find_base_term): Use REG_POINTER instead of REGNO_POINTER_FLAG. * combine.c (nonzero_bits, num_sign_bit_copies): Likewise. * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead of regno_pointer_flag_length. Remove code which refers to regno_pointer_flag. (mark_reg_pointer): Use REG_POINTER. (free_emit_status): Remove code which refers to regno_pointer_flag. (init_emit, mark_emit_status): Likewise. * flow.c (dump_flow_info): Likewise. * function.c (preserve_temp_slots): Likewise. * integrate.c (expand_inline_function, copy_rtx_and_substitute): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER. * predict.c (estimate_probability): Likewise. * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise. * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of regno_pointer_flag for function pointer determination in map. * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use REG_POINTER. * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand): Use REG_POINTER. (restore_unscaled_index_insn_codes): Revise comment. From-SVN: r37863
2000-11-26* combine.c (try_combine): Remove redundant test.Zack Weinberg1-16/+13
From-SVN: r37750
2000-11-24Avoid hard register combinationsBernd Schmidt1-7/+49
From-SVN: r37704
2000-11-07alias.c [...] (init_alias_analysis, [...]): Use memset () instead of bzero ().Joseph Myers1-9/+9
* alias.c (init_alias_analysis), calls.c (expand_call, emit_library_call_value_1), combine.c (init_reg_last_arrays), cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c (init_output_buffer, set_diagnostic_context), dwarf2out.c (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c (init_emit_once), fold-const.c (mul_double, div_and_round_double), function.c (assign_parms), gcse.c (compute_can_copy, alloc_gcse_mem, alloc_reg_set_mem, record_one_set, compute_hash_table, compute_set_hash_table, compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info, clear_units, schedule_block), integrate.c (initialize_for_inline, expand_inline_function), jump.c (thread_jumps), local-alloc.c (local_alloc), loop.c (combine_movables, count_loop_regs_set, load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree), regclass.c (init_reg_sets, init_reg_sets_1, regclass, record_reg_classes, allocate_reg_info), reload.c (get_secondary_mem, remove_address_replacements, find_reloads), reload1.c (reload, set_initial_label_offsets, finish_spills, reload_as_needed, choose_reload_regs_init, reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c (rename_registers), stmt.c (expand_end_case), unroll.c (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset () instead of bzero (). ch: * actions.c (check_missing_cases), typeck.c (build_chill_slice, build_chill_cast): Use memset () instead of bzero (). cp: * class.c (duplicate_tag_error, build_vtbl_initializer), decl.c (push_binding_level), error.c (cp_tree_printer), pt.c (process_partial_specialization, tsubst_template_arg_vector), search.c (lookup_member): Use memset () instead of bzero (). java: * expr.c (note_instructions), jcf-io.c (find_class), jcf-parse.c (init_outgoing_cpool), lex.c (java_init_lex): Use memset () instead of bzero (). From-SVN: r37303
2000-11-07* combine.c (distribute_notes): Fix typo in last change.J"orn Rennecke1-1/+1
From-SVN: r37296
2000-11-07combine.c (recog_for_combine): Allocate uninitialized vector with rtvec_alloc.J"orn Rennecke1-4/+4
* combine.c (recog_for_combine): Allocate uninitialized vector with rtvec_alloc. * recog.c (apply_change_group): Likewise. From-SVN: r37285
2000-11-07flow.c (verify_local_live_at_start): Back out last change.J"orn Rennecke1-0/+29
* flow.c (verify_local_live_at_start): Back out last change. * combine.c (distribute_notes): When parts of a hard reg are neither set nor referenced in PLACE, search backwards for a place to put a REG_UNUSED note; if none found, ask for flow info refresh. From-SVN: r37284
2000-11-02combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / elim_i1.J"orn Rennecke1-59/+22
* combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / elim_i1. In REG_DEAD handling: When handling parts of multi-hard-reg hard registers, increment the loop counter by the size of the parts; use recursion to handle individual parts. From-SVN: r37211
2000-10-24combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL when ↵Alexandre Oliva1-0/+8
deleting libcall sequence collapsed to... * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL when deleting libcall sequence collapsed to a single instruction. From-SVN: r37037
2000-10-20combine.c (struct undo): Change int to unsigned int.Richard Kenner1-10/+14
* combine.c (struct undo): Change int to unsigned int. (do_SUBST_INT): Args are unsigned int. (make_extraction, force_to_mode): Use proper type when forming mask. (make_field_assignment): Likewise. From-SVN: r36967
2000-10-13Remove obstacks.Mark Mitchell1-9/+0
* Makefile.in (ggc-callbacks.o): Remove target. (flow.o): Depend on GGC_H. * alias.c (init_alias_analysis): Remove ggc_p conditionals. (end_alias_analysis): Likewise. * basic-block.h (init_flow): New function. (allocate_reg_life_data): Declare. * bb-reorder.c (function_obstack): Replace with ... (flow_obstack): ... new variable. (fixup_reorder_chain): Use it. * c-decl.c (ggc_p): Remove. (caller-save.c): Don't call oballoc/obfree. * combine.c (struct undobuf): Remove storage. (try_combine): Don't call oballoc. (undo_all): Don't call obfree. * cse.c (insert): Use xmalloc, not oballoc. (cse_main): Adjust accordingly. * dwarf2out.c (save_rtx): Remove obstack code. (dwarf2out_init): Remove ggc_p conditionals. * emit-rtl.c (rtl_obstack): Remove. (gen_rtx_CONST_INT): Remove ggc_p conditionals. (make_insn_raw): Likewise. (emit_insn_before): Likewise. (emit_insn_after): Likewise. (emit_insn): Likewise. (gen_sequence): Likewise. (copy_insn_1): Remove handling of `b' RTL components. (init_emit_once): Remove ggc_p conditionals. * except.c (create_rethrow_ref): Don't fool with obstacks. (add_partial_entry): Likewise. (call_get_eh_context): Likewise. (begin_protect_partials): Likewise. (protect_with_terminate): Likewise. * explow.c (plus_constant_wide): Likewise. * expr.c (init_expr_once): Likewise. (emit_block_move): Likewise. (clear_storage): Likewise. (expand_expr): Likewise. * flow.c (function_obstack): Remove. (flow_obstack): New variable. (flow_firstobj): Likewise. (create_base_block): Use the flow_obstack. (split_block): Likewise. (split_edge): Likewise. (calculate_global_regs_live): Likewise. (allocate_bb_life_data): Make it static. Likewiwse. (init_flow): New function. (size_int_type_wide): Remove ggc_p conditionals. * function.c (push_function_context_to): Don't call save_tree_status. (pop_function_context_from): Or restore_tree_status. (assign_stack_local_1): Don't call push_obstacks. (find_fixup_replacement): Use xmalloc. (fixup_var_refs_insns): Free the storage. (insns_for_mem_walk): Don't mess with obstacks. (instantiate_decls): Likewise. (trampoline_address): Likewise. (expand_function_end): Likewise. * function.h (sturct function): Remove obstack-related variables. (save_tree_status): Don't declare. (restore_tree_status): Likewise. * gcse.c (compute_can_copy): Don't call oballoc/obfree. * genattrtab.c (operate_exp): Remove ggc_p conditionals. (simplify_cond): Likewise. (simplify_test_exp): Don't mess with obstacks. (optimize_attrs): Likewise. * gengenrtl.c (gendef): Don't include ggc_p conditionals. * ggc-callbacks.c (ggc_p): Remove. * ggc-none.c (ggc_p): Remove. * ggc.h (ggc_p): Don't declare. * integrate.c (save_for_inline): Don't mess with obstacks. (integrate_decl_tree): Likewise. (output_inline_function): Likewise. * lists.c (init_EXPR_INSN_LIST_cache): Likewise. * loop.c (temp_obstack): Remove. (rtl_obstack): Likewise. (init_loop): Don't mess with obstacks. (reg_address_cost): Free BIVs and GIVs. (check_insns_for_bivs): Use xmalloc, not oballoc. (find_mem_givs): Likewise. (record_biv): Likewise. (general_induction_var): Likewise. (product_cheap_p): Likewse. * optabs.c (init_one_libfunc): Remove ggc_p conditional. * print-tree.c (debug_tree): Don't use oballoc/obfree. (print_node): Likewise. * profile.c (output_func_start_profiler): Remove call to temporary_allocation. * reload1.c (eliminate_regs_in_insn): Don't mess with obstacks. * resource.c (mark_target_live_regs): Use xmalloc. (free_resource_info): Free the memory. * rtl.c (rtl_obstack): Remove. (rtvec_alloc): Don't mess with obstacks. (rtx_alloc): Likewise. (rtx_free): Remove. (copy_rtx): Don't handle `b' cases. (read_rtx): Use a local rtl_obstack. * rtl.h (oballoc): Remove. (obfree): Likewise. (pop_obstacks): Likewise. (push_obstacks): Likewise. (allocate_bb_life_data): Likewise. (allocate_reg_life_data): Likewise. (rtx_free): Likewise. * sdbout.c (sdbout_queue_anonymous_type): Use tree_cons, not saveable_tree_cons. * simplify-rtx.c (cselib_init): Don't mess with obstacks. * stmt.c (mark_block_nesting): Mark the label_chain. (epxand_label): Use ggc_alloc, not oballoc. (clear_last_expr): Don't mess with obstacks. (expand_decl_cleanup): Likewise. (expand_dcc_cleanup): Likewise. (expand_dhc_cleanup): Likewise. (expand_anon_union_decl): Likewise. (add_case_node): Use xmalloc, not oballoc. (free_case_nodes): New function. (expand_end_case): Call it. * stor-layout.c (layout_type): Don't mess with obstacks. (layout_type): Likewise. * toplev.c (wrapup_global_declarations): Likewise. (compile_file): Remove ggc_p conditionals. (rest_of_compilation): Call init_flow. Remove ggc_p conditionals. (decode_f_option): Remove ggc_p conditionals. * tree.c (function_maybepermanent_obstack): Remove. (maybepermanent_obstack): Likewise. (function_obstack): Likewise. (tmeporary_obstack): Likewise. (momentary_obstack): Likewise. (temp_decl_obstack): Likewise. (saveable_obstack): Likewise. (rtl_obstack): Likewise. (current_obstack): Likewise. (expression_obstack): Likewise. (struct obstack_stack): Likewise. (obstack_stack): Likewise. (obstack_stack_obstack): Likewise. (maybepermanent_firstobj): Likewise. (temporary_firstobj): Likewise. (momentary_firstobj): Likewise. (temp_decl_firstobj): Likewise. (momentary_function_firstobj): Likewise. (all_types_permanent): Likewise. (struct momentary_level): Likewise. (momentary_stack): Likewise. (init_obstacks): Remove initialization of removed obstacks. (save_tree_status): Remove. (restore_tree_status): Likewise. (temporary_allocation): Liekwise. (end_temporary_allocation): Liekwise. (resume_temporary_allocation): Likewise. (saveable_allocation): Likewise. (push_obstacks): Likewise. (push_obstacks_nochange): Likewise. (pop_obstacks): Likewise. (allocation_temporary_p): Likewise. (permanent_allocation): Likewise. (preserve_data): Likewise. (preserve_initializer): Likewise. (rtl_in_current_obstack): Likewise. (rtl_in_saveable_obstack): Likewise. (oballoc): Likewise. (obfree): Likewise. (savealloc): Likewise. (expralloc): Likewise. (print_obstack_name): Likewise. (debug_obstack): Likewise. (object_permanent_p): Likewise. (push_momentary): Likewise. (perserve_momentary): Likewise. (clear_momentary): Likewise. (pop_momentary): Likewise. (pop_momentary_nofree): Likewise. (suspend_momentary): Likewise. (resume_momentary): Likewise. (make_node): Don't set TREE_PERMANENT. (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK. Don't set TREE_PERMANENT. (get_identifier): Remove ggc_p conditionals. (build_string): Likewise. (make_tree_vec): Likewise. (build_decl_list): Remove. (build_expr_list): Likewise. (tree_cons): Remove ggc_p conditionals. (decl_tree_cons): Remove. (expr_tree_cons): Likewise. (perm_tree_cons): Likewise. (temp_tree_cons): Likewise. (saveable_tree_cons): Likewise. (build1): Remove ggc_p conditionals. (build_parse_node): Likewise. (build_type_attribute_variant): Don't mess with obstacks. (build_type_copy): Likewise. (type_hash_canon): Likewise. (build_pointer_type): Likewise. (build_reference_type): Likewise. (build_index_type): Likewise. (build_range_type): Likewise. (dump_tree_statistics): Don't print obstack information. * tree.h (struct tree_common): Remove permanent_flag. (TREE_PERMANENT): Remove. (TREE_SET_PERMANENT): Likewise. (TYPE_OBSTACK): Likewise. (struct tree_type): Remove obstack. (oballoc): Remove. (savealloc): Likewise. (build_decl_list): Likewise. (build_expr_list): Likewise. (perm_tree_cons): Likewise. (temp_tree_cons): Likewise. (saveable_tree_cons): Likewise. (decl_tree_cons): Likewise. (expr_tree_cons): Likewise. (suspend_momentary): Likewise. (allocation_temporary_p): Likewise. (resume_momentary): Likewise. (push_obstacks_nochange): Likewise. (permanent_allocation): Likewise. (push_momentary): Likewise. (clear_momentary): Likewise. (pop_momentary): Likewise. (end_temporary_allocation): Likewise. (pop_obstacks): Likewise. (push_obstacks): Likewise. (pop_momentary_nofree): LIkewise. (preserve_momentary): Likewise. (saveable_allocation): Likewise. (temporary_allocation): Likewise. (resume_temporary_allocation): Likewise. (perserve_initializer): Likewise. (debug_obstack): Likewise. (rtl_in_current_obstack): Likewise. (rtl_in_saveable_obstack): Likewise. (obfree): Likewise. * varasm.c (current_obstack): Remove. (saveable_obstack): Remove. (rtl_obstack): Remove. (immed_double_const): Don't mess with obstacks. (immed_real_cons): Likewise. (output_constant_def): Likewise. (init_varasm_status): Use xcalloc. (mark_pool_constant): Mark the pool constant itself. (free_varasm_status): Free memory. (decode_rtx_const): Call bzero directly, rather than expanding it inline. (record_rtx_const): Don't mess with obstacks. (force_const_mem): Likewise. * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p conditionals. (aof_pic_entry): Likewise. * config/ia64/ia64.c (ia64_encode_section_info): Likewise. * config/m32r/m32r.c (m32r_encode_section_info): Likewise. * config/pa/pa.c (saveable_obstack): Remove. (rtl_obstack): Likewise. (current_obstack): Likewise. (output_call): Don't mess with obstacks. (hppa_encode_label): Remove ggc_p conditionals. * config/romp/romp.c (get_symref): Don't mess with obstacks. * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional. (rs6000_encode_section_info): Likewise. * config/sh/sh.c (get_fpscr_rtx): Likewise. From-SVN: r36856
2000-09-19combine.c (can_combine_p): Don't substitute an ASM_OPERANDS into anything.Geoff Keating1-0/+2
* combine.c (can_combine_p): Don't substitute an ASM_OPERANDS into anything. From-SVN: r36525
2000-09-18combine.c (simplify_comparison): Shift a NOT out of a single bit test.Richard Henderson1-0/+15
* combine.c (simplify_comparison): Shift a NOT out of a single bit test. From-SVN: r36508
2000-09-18combine.c (if_then_else_cond): Canonicalize BImode true to STORE_FLAG_VALUE.Richard Henderson1-0/+8
* combine.c (if_then_else_cond): Canonicalize BImode true to STORE_FLAG_VALUE. * explow.c (trunc_int_for_mode): Likewise. From-SVN: r36507
2000-09-18combine.c (combine_simplify_rtx): Use gen_unary to distribute the NOT for De ↵Richard Henderson1-12/+8
Morgan's rule. * combine.c (combine_simplify_rtx): Use gen_unary to distribute the NOT for De Morgan's rule. * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT of a comparison to the reverse comparison. From-SVN: r36506
2000-09-18* combine.c (try_combine): Allow split to create a single insn.Richard Henderson1-5/+11
From-SVN: r36504
2000-09-18machmode.def: Add BImode.Richard Henderson1-1/+9
* machmode.def: Add BImode. Add a column for bitsize. * machmode.h (DEF_MACHMODE): Adjust for extra column. (GET_MODE_BITSIZE): Use it. * rtl.c (DEF_MACHMODE): Adjust for extra column. (mode_bitsize): New. (mode_mask_array): Use bitsize. * combine.c (combine_simplify_rtx): Require inner and outer modes to match on nonzero_bits optimizations. From-SVN: r36501
2000-09-11combine.c (simplify_if_then_else): Don't convert a == b ? b ...Jakub Jelinek1-0/+2
* combine.c (simplify_if_then_else): Don't convert a == b ? b : a to a if the comparison is floating mode and not -ffast-math. * simplify-rtx.c (simplify_ternary_operation): Likewise. From-SVN: r36326
2000-09-08Some vector operation simplifications.Bernd Schmidt1-0/+39
From-SVN: r36263
2000-09-04combine.c (make_extraction): Fix rtx_cost comparison to match the comment.Jan Hubicka1-2/+2
* combine.c (make_extraction): Fix rtx_cost comparison to match the comment. From-SVN: r36131
2000-09-01Eliminate false DV warnings for predicated calls to noreturn functions.Jim Wilson1-0/+1
* calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN. * combine.c (distribute_notes): Handle REG_NORETURN. * rtl.c (reg_note_name): Add REG_NORETURN. * rtl.h (enum reg_note): Likewise. * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from ia64_file_start. * config/ia64/ia64.c (emit_safe_across_calls): Likewise. (rtx_needs_barrier): Handle unspec_volatile 8 and 9. (emit_predicate_relation_info): Handle conditional calls with REG_NORETURN. * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls instead of ia64_file_start. * config/ia64/sysv4.h (ASM_FILE_START): Likewise. * config/ia64/ia64.md (safe_across_calls_all, save_across_calls_normal): New patterns. From-SVN: r36107
2000-08-18combine.c (make_compound_operation): Break after creating the extraction.Richard Henderson1-0/+1
* combine.c (make_compound_operation): Break after creating the extraction. From-SVN: r35799
2000-08-16combine.c (simplify_shift_const): Revert previous two changes.Richard Henderson1-15/+12
* combine.c (simplify_shift_const): Revert previous two changes. If SHIFT_COUNT_TRUNCATED, crop the shift count before the main loop. From-SVN: r35742
2000-08-15combine.c (simplify_shift_const): Bound shift count when combining shifts.Richard Henderson1-0/+5
* combine.c (simplify_shift_const): Bound shift count when combining shifts. From-SVN: r35739
2000-08-11* combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.Richard Henderson1-4/+10
From-SVN: r35622
2000-08-04alias.c (mark_constant_function): Use INSN_P.Rodney Brown1-15/+9
* alias.c (mark_constant_function): Use INSN_P. (init_alias_analysis): Likewise. * combine.c (combine_instructions): Use INSN_P. (can_combine_p): Likewise. (try_combine): Likewise. (distribute_notes): Likewise. (distribute_links): Likewise. * cse.c (cse_around_loop): Use INSN_P. (invalidate_skipped_block): Likewise. (cse_set_around_loop): Likewise. (cse_end_of_basic_block): Likewise. (delete_trivially_dead_insns): Likewise. * emit-rtl.c (unshare_all_rtl_again): Use INSN_P. (unshare_all_rtl_1): Likewise. (next_cc0_user): Likewise. (try_split make_insn_raw): Likewise. (remove_unnecessary_notes): Likewise. * final.c (shorten_branches): Use INSN_P. (leaf_renumber_regs): Likewise. (leaf_renumber_regs_insn): Likewise. * flow.c (find_label_refs): Use INSN_P. (verify_wide_reg): Likewise. (notice_stack_pointer_modification): Likewise. (count_or_remove_death_notes): Likewise. (verify_flow_info): Likewise. (clear_log_links): Likewise. * function.c (fixup_var_refs_insns): Use INSN_P. (compute_insns_for_mem): Likewise. * gcse.c (alloc_gcse_mem): Use INSN_P. (compute_sets): Likewise. (compute_hash_table): Likewise. (classic_gcse): Likewise. (cprop): Likewise. (insert_insn_end_bb): Likewise. (delete_null_pointer_checks_1): Likewise. * global.c (expand_preferences): Use INSN_P. (build_insn_chain): Likewise. * graph.c (node_data): Use INSN_P. * haifa-sched.c (priority): Use INSN_P. (rm_line_notes): Likewise. (rm_other_notes): Likewise. (find_insn_reg_weight): Likewise. (init_target_units): Likewise. (schedule_block): Likewise. (compute_block_forward_dependences): Likewise. (debug_dependencies): Likewise. (set_priorities): Likewise. * integrate.c (function_cannot_inline_p): Use INSN_P. (save_parm_insns): Likewise. (copy_insn_list): Likewise. * jump.c (mark_all_labels): Use INSN_P. (never_reached_warning): Likewise. * lcm.c (optimize_mode_switching): Use INSN_P. * local-alloc.c (validate_equiv_mem): Use INSN_P. (memref_used_between_p): Likewise. (update_equiv_regs): Likewise. (block_alloc): Likewise. (no_conflict_p): Likewise. * loop.c (scan_loop): Use INSN_P. (find_and_verify_loops): Likewise. (count_loop_regs_set): Likewise. (loop_reg_used_before_p): Likewise. (strength_reduce): Likewise. (recombine_givs): Likewise. (check_dbra_loop): Likewise. (load_mems): Likewise. (try_copy_prop): Likewise. * print-rtl.c (print_rtx): Use INSN_P. * recog.c (find_single_use): Use INSN_P. * reg-stack.c (stack_regs_mentioned): Use INSN_P. (next_flags_user): Likewise. (swap_rtx_condition): Likewise. * regmove.c (mark_flags_life_zones): Use INSN_P. (optimize_reg_copy_1): Likewise. (optimize_reg_copy_2): Likewise. (optimize_reg_copy_3): Likewise. (reg_is_remote_constant_p): Likewise. (fixup_match_2): Likewise. (regmove_optimize): Likewise. (fixup_match_1): Likewise. * regrename.c (build_def_use): Use INSN_P. (replace_reg_in_block): Likewise. (consider_use): Likewise. * reload.c (find_equiv_reg): Use INSN_P. * reload1.c (reload): Use INSN_P. (maybe_fix_stack_asms): Likewise. (calculate_needs_all_insns): Likewise. (reload_as_needed): Likewise. (emit_output_reload_insns): Likewise. (delete_address_reloads_1): Likewise. (reload_cse_regs_1): Likewise. (reload_combine): Likewise. (reload_cse_move2add): Likewise. * reorg.c (redundant_insn): Use INSN_P. (dbr_schedule): Likewise. * resource.c (find_dead_or_set_registers): Use INSN_P. (mark_target_live_regs): Likewise. * rtlanal.c (reg_used_between_p): Use INSN_P. (reg_referenced_between_p): Likewise. (reg_set_between_p): Likewise. (reg_set_p): Likewise. (single_set): Likewise. (multiple_sets): Likewise. (find_last_value): Likewise. (reg_set_last): Likewise. (find_reg_note): Likewise. (find_regno_note): Likewise. * sibcall.c (sequence_uses_addressof): Use INSN_P. * simplify-rtx.c (cselib_process_insn): Use INSN_P. * ssa.c (find_evaluations): Use INSN_P. (rename_block): Likewise. (rename_equivalent_regs): Likewise. * unroll.c (loop_find_equiv_value): Use INSN_P. (set_dominates_use): Likewise. * varasm.c (mark_constant_pool): Use INSN_P. (mark_constants): Likewise. * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P. (alphaev4_next_group): Likewise. (alphaev5_next_group): Likewise. * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P. (c4x_rptb_rpts_p): Likewise. * config/mips/mips.c (mips16_optimize_gp): Use INSN_P. * config/rs6000/rs6000.c (uses_TOC): Use INSN_P. (rs6000_adjust_priority): Likewise. * config/sh/sh.c (sh_loop_align): Use INSN_P. (machine_dependent_reorg): Likewise. (split_branches): Likewise. * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P. From-SVN: r35494
2000-08-04combine.c (recog_for_combine): Remove the old notes prior to attempting to ↵John Wehle1-3/+12
recognize the new pattern. * combine.c (recog_for_combine): Remove the old notes prior to attempting to recognize the new pattern. (distribute_notes): Ignore REG_NONNEG notes. From-SVN: r35492
2000-07-31* combine.c: Fix formatting.Kazu Hirata1-324/+321
From-SVN: r35398
2000-07-30combine.c (simplify_set, [...]): Use full mask instead of GET_MODE_MASK ↵Jan Hubicka1-6/+6
(mode) as force_to_mode argument. * combine.c (simplify_set, make_extraction, make_compound_operation make_field_assignment): Use full mask instead of GET_MODE_MASK (mode) as force_to_mode argument. From-SVN: r35348
2000-07-30* combine.c (if_then_else_cond): Be sure that mode fits in HOST_WIDE_INTJan Hubicka1-5/+8
From-SVN: r35347
2000-07-30combine.c (record_promoted_value): Allow bitsize of mode to be equivalent to ↵Jan Hubicka1-1/+1
HOST_BITS_PER_WISE_INT. * combine.c (record_promoted_value): Allow bitsize of mode to be equivalent to HOST_BITS_PER_WISE_INT. From-SVN: r35346
2000-07-30simplify-rtx.c (simplify_relational_operation): Verify that mode == VOIDmode ↵Jan Hubicka1-2/+7
implies both operands to be VOIDmode. * simplify-rtx.c (simplify_relational_operation): Verify that mode == VOIDmode implies both operands to be VOIDmode. (simplify_ternary_operation): Compute properly the mode of comparison. * combine.c (combine_simplify_rtx): Likewise. From-SVN: r35343
2000-06-13combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and ↵Richard Henderson1-11/+13
CLASS_CANNOT_CHANGE_MODE_P instead of... * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE and hard-coded tests. (simplify_set): Likewise. (gen_lowpart_for_combine): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * global.c (find_reg): Likewise. * local-alloc.c (find_free_reg): Likewise. * recog.c (register_operand): Likewise. * regclass.c (init_reg_sets_1): Likewise. (record_operand_costs, regclass): Likewise. * reload.c (push_reload): Likewise. * reload1.c (choose_reload_regs): Likewise. * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE. * local-alloc.c (struct qty): Rename changes_size to changes_mode. Update all references. * regs.h (struct reg_info_def): Likewise. (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE. * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document. (CLASS_CANNOT_CHANGE_MODE_P): Likewise. * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename. (CLASS_CANNOT_CHANGE_MODE_P): New. * config/mips/mips.h: Likewise. * config/pa/pa32-regs.h: Likewise. * config/pa/pa64-regs.h: Likewise. * config/rs6000/rs6000.h: Likewise. * config/sh/sh.h: Likewise. * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New. (CLASS_CANNOT_CHANGE_MODE_P): New. * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code. * config/d30v/d30v.h: Likewise. From-SVN: r34526
2000-05-30* combine.c (get_pos_from_mask): Test exact_log2 result as signed.Richard Henderson1-2/+4
From-SVN: r34280
2000-05-29combine.c (force_to_mode): Convert subtraction from a constant to NEG or NOT ↵Richard Henderson1-1/+22
when conditions allow. * combine.c (force_to_mode) [MINUS]: Convert subtraction from a constant to NEG or NOT when conditions allow. From-SVN: r34248
2000-05-29combine.c (combine_simplify_rtx): Don't create an if_then_else unless both ↵Richard Henderson1-31/+48
args are general_operand. * combine.c (combine_simplify_rtx): Don't create an if_then_else unless both args are general_operand. Don't canonicalize plus to ior unless it helps. From-SVN: r34247
2000-05-28combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when substituting the REG ↵Geoff Keating1-0/+12
in a (subreg:X (reg:Y... * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when substituting the REG in a (subreg:X (reg:Y ...)). From-SVN: r34217
2000-05-25combine.c (try_combine): Use any_condjump_p...Jan Hubicka1-1/+1
* combine.c (try_combine): Use any_condjump_p, any_uncondjump_p and pc_set at the place of simplejump_p and condjump_p. * cse.c (record_jump_equiv): Likewise. * emit-rtl.c (emit): Likewise. * explow.c (find_next_ref): Likewise. * flow.c (tidy_fallthru_edge): Likewise. (init_propagate_block_info): Likewise. * gcse.c (delete_null_pointer_checks): Likewise. * ifcvt.c (cond_exec_get_condition, noce_get_condition, dead_or_predicable): Likewise. * integrate.c (copy_insn_list): Likewise. * loop.c (scan_loop, verify_dominator, find_and_verify_loops, for_each_insn_in_loop, check_dbra_loop, get_condition, insert_bct, load_mems): Likewise. * resource.c (find_dead_or_set_registers): Likewise. * sibcalls.c (simplejump_p): Likewise. * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise. From-SVN: r34175
2000-05-23* combine.c (simplify_comparison): Use trunc_int_for_mode.Richard Henderson1-3/+1
From-SVN: r34103
2000-05-21combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is not a PARALLEL.Richard Kenner1-1/+1
* combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is not a PARALLEL. From-SVN: r34068
2000-05-10* combine.c (try_combine): Fix a typo.Kazu Hirata1-1/+1
From-SVN: r33837