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2006-01-16cse.c (cse_condition_code_reg): Make it static.Kazu Hirata1-1/+1
* cse.c (cse_condition_code_reg): Make it static. * rtl.h: Remove the prototype for cse_condition_code_reg. From-SVN: r109742
2006-01-03re PR rtl-optimization/25130 (miscompilation in GCSE)Steven Bosscher1-6/+16
* fold-const.c (operand_equal_p): Accept a NULL operand 0 for COMPONENT_REFs. * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for hashing trees instead of a pointer hash. (mem_attrs_htab_eq): Do a deep compare instead of a pointer compare for MEM_EXPR. PR rtl-optimization/25130 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET when comparing MEMs for GCSE From-SVN: r109264
2005-11-22cse.c (fold_rtx): Typo fix.Ben Elliston1-3/+3
* cse.c (fold_rtx): Typo fix. (find_comparison_args): Pass the mode of arg1, not arg1 itself. From-SVN: r107326
2005-11-22optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of explicitly ↵Ben Elliston1-6/+6
testing GET_MODE_CLASS (x) ==... * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT. * genopinit.c (gen_insn): Likewise. * reload.c (find_equiv_reg): Likewise. * loop.c (load_mems): Likewise. * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise. * cse.c (find_comparison_args, fold_rtx): Likewise. * dwarf2out.c (add_const_value_attribute): Likewise. * expr.c (convert_move): Likewise. * recog.c (general_operand, register_operand): Likewise. * reg-stack.c (replace_reg): Likewise. * tree-vect-generic.c (type_for_widest_vector_mode): Likewise. * c-common.c (handle_vector_size_attribute): Likewise. * simplify-rtx.c (simplify_const_unary_operation): Likewise. (simplify_binary_operation_1): Likewise. (simplify_const_binary_operation): Likewise. (simplify_relational_operation): Likewise. (simplify_const_relational_operation): Likewise. (simplify_immed_subreg): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * expmed.c (expand_mult): Likewise. * stor-layout.c (layout_type): Likewise. From-SVN: r107322
2005-11-21re PR rtl-optimization/20583 (ICE in output_operand: invalid expression as ↵Kazu Hirata1-11/+16
operand) gcc/ PR middle-end/20583 * cse.c (cse_insn): Reject invalid forms of CONST earlier. gcc/testsuite/ PR middle-end/20583 * gcc.c-torture/compile/pr20583.c: New. From-SVN: r107278
2005-11-05re PR rtl-optimization/23490 (Long compile time for array initializer with ↵Jan Hubicka1-1/+1
inlined constructor) PR rtl-optimization/23490 * doc/invoke.texi (max-predicted-iterations, max-cse-insns, max-flow-memory-location): Document. * flow.c: Include params.h (MAX_MEM_SET_LIST_LEN): Kill. (add_to_mem_set_list): Use new param. * cse.c (cse_basic_block): Replace 1000 by new param. * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS, PARAM_MAX_FLOW_MEMORY_LOCATIONS): New. * predict.c (predict_loops): Use new param. * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove. From-SVN: r106520
2005-09-19re PR rtl-optimization/23943 (segv in side_effects_p())Steven Bosscher1-1/+3
gcc/ PR rtl-optimization/23943 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx. testsuite/ * gcc.dg/pr23943.c: New test. From-SVN: r104413
2005-09-06re PR rtl-optimization/23098 (store of 0.0 to float)Jakub Jelinek1-0/+3
PR rtl-optimization/23098 * cse.c (fold_rtx_mem): Call delegitimize_address target hook. * simplify-rtx.c (constant_pool_reference_p): New function. * rtl.h (constant_pool_reference_p): New prototype. * config/i386/i386.md (pushf split, mov[sdx]f split): Use constant_pool_reference_p in condition and avoid_constant_pool_reference in preparation statements. * gcc.target/i386/pr23098.c: New test. From-SVN: r103935
2005-07-28cse.c (exp_equiv_p): Special case CONST_DOUBLE.Richard Henderson1-0/+1
* cse.c (exp_equiv_p): Special case CONST_DOUBLE. * cselib.c (rtx_equal_for_cselib_p): Likewise. * jump.c (rtx_renumbered_equal_p): Likewise. * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0, CONST_INT and CONST_DOUBLE. (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF. * reload.c (operands_match_p): Special case CONST_INT and CONST_DOUBLE; check mode earlier. From-SVN: r102548
2005-07-28re PR rtl-optimization/18992 (delete_trivially_dead_insns made ineffective ↵J"orn Rennecke1-24/+40
for two-address targets) PR rtl-optimization/18992 Back out this patch: 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> PR optimization/12142 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the uses of the register in the SET_SRC. Remove unnecessary argument. Replace it with this: * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases, if flag_non_call_exceptions is set and the insn may trap, pass pc_rtx as dest for recursion. In SET_SRC part of SET case, if dest is already set, pass it down unchanged. From-SVN: r102478
2005-07-05Makefile.in: Adjust dependencies.Paolo Bonzini1-0/+117
2005-07-05 Paolo Bonzini <bonzini@gnu.org> * Makefile.in: Adjust dependencies. * tree-pass.h: Add new passes and passes formerly in tree-optimize.c. * basic-block.h (duplicate_computed_gotos): Remove, it is now static. * alias.c (rest_of_handle_cfg, pass_cfg): New. * bb-reorder.c (duplicate_computed_gotos): Make it static. * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of rest_of_compilation. * bb-reorder.c (gate_duplicate_computed_gotos, pass_duplicate_computed_gotos, gate_handle_reorder_blocks, rest_of_handle_reorder_blocks, pass_reorder_blocks, gate_handle_partition_blocks, rest_of_handle_partition_blocks, pass_partition_blocks): New. * bt-load.c (gate_handle_branch_target_load_optimize, rest_of_handle_branch_target_load_optimize, pass_branch_target_load_optimize): New. * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2, pass_jump2): New. * cfglayout.c (pass_insn_locators_initialize): New. * cfgrtl.c (pass_free_cfg): New. * combine.c (gate_handle_combine, rest_of_handle_combine, pass_combine): New. * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse, gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New. * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New. * except.c (pass_set_nothrow_function_flags, pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh, pass_rtl_eh): New. * final.c (pass_compute_alignments, rest_of_handle_final, pass_final, rest_of_handle_shorten_branches, pass_shorten_branches, rest_of_clean_state, pass_clean_state): New. * flow.c (pass_recompute_reg_usage, gate_remove_death_notes, rest_of_handle_remove_death_notes, pass_remove_death_notes, rest_of_handle_life, pass_life, rest_of_handle_flow2, pass_flow2): New. * function.c (pass_instantiate_virtual_regs, pass_init_function, rest_of_handle_check_leaf_regs, pass_leaf_regs): New. * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass, pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse, pass_gcse): New. * global.c (rest_of_handle_global_alloc, pass_global_alloc): New. * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion, pass_rtl_ifcvt, gate_handle_if_after_combine, rest_of_handle_if_after_combine, pass_if_after_combine, gate_handle_if_after_reload, rest_of_handle_if_after_reload, pass_if_after_reload): New. * integrate.c (pass_initial_value_sets): New. * jump.c (pass_cleanup_barriers, purge_line_number_notes, pass_purge_lineno_notes): New. * mode-switching.c (rest_of_handle_mode_switching, pass_mode_switching): New. * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New. * loop-init.c (gate_handle_loop2, rest_of_handle_loop2, pass_loop2): New. * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize, pass_loop_optimize): New. * modulo-sched.c (gate_handle_sms, rest_of_handle_sms, pass_sms): New. * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2, pass_gcse2): New. * postreload.c (gate_handle_postreload, rest_of_handle_postreload, pass_postreload_cse): New. * profile.c (gate_handle_profiling, pass_profiling, rest_of_handle_branch_prob, pass_branch_prob): New. * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split, pass_split_before_regstack, gate_handle_split_before_regstack, gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2, rest_of_handle_split_all_insns, pass_split_all_insns): New. * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs, pass_stack_regs): New. * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove, gate_handle_stack_adjustments, rest_of_handle_stack_adjustments, pass_stack_adjustments): New. * regrename.c (gate_handle_regrename, rest_of_handle_regrename, pass_regrename): New. * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots, pass_delay_slots, gate_handle_machine_reorg, rest_of_handle_machine_reorg, pass_machine_reorg): New. * rtl.h (extern void purge_line_number_notes): New. * sched-rgn.c (gate_handle_sched, rest_of_handle_sched, gate_handle_sched2, rest_of_handle_sched2, pass_sched, pass_sched2): New. * tracer.c (gate_handle_tracer, rest_of_handle_tracer, pass_tracer): New. * value-prof.c (gate_handle_value_profile_transformations, rest_of_handle_value_profile_transformations, pass_value_profile_transformations): New. * var-tracking.c (gate_handle_var_tracking, pass_variable_tracking): New. * web.c (gate_handle_web, rest_of_handle_web, pass_web): New. * passes.c (open_dump_file, close_dump_file, rest_of_handle_final, rest_of_handle_delay_slots, rest_of_handle_stack_regs, rest_of_handle_variable_tracking, rest_of_handle_machine_reorg, rest_of_handle_old_regalloc, rest_of_handle_regrename, rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks, rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2, rest_of_handle_gcse2, rest_of_handle_regmove, rest_of_handle_tracer, rest_of_handle_if_conversion, rest_of_handle_if_after_combine, rest_of_handle_if_after_reload, rest_of_handle_web, rest_of_handle_branch_prob, rest_of_handle_value_profile_transformations, rest_of_handle_cfg, rest_of_handle_jump_bypass, rest_of_handle_combine, rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2, rest_of_handle_gcse, rest_of_handle_loop_optimize, rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize, rest_of_handle_mode_switching, rest_of_handle_jump, rest_of_handle_eh, rest_of_handle_stack_adjustments, rest_of_handle_flow2, rest_of_handle_jump2, rest_of_handle_peephole2, rest_of_handle_postreload, rest_of_handle_shorten_branches, rest_of_clean_state, rest_of_compilation): Remove. * cgraphunit.c (ipa_passes): Moved from tree-optimize.c. * passes.c (dump_flags, in_gimple_form, all_passes, all_ipa_passes, all_lowering_passes, register_one_dump_file, register_dump_files, next_pass_1, last_verified, execute_todo, execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved from tree-optimize.c. (init_optimization_passes): Moved from tree-optimize.c, adding the RTL optimizations. * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h. * tree-optimize.c (dump_flags, in_gimple_form, all_passes, all_ipa_passes, all_lowering_passes, register_one_dump_file, register_dump_files, next_pass_1, last_verified, execute_todo, execute_one_pass, execute_pass_list, execute_ipa_pass_list, init_tree_optimization_passes, ipa_passes): Delete. * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing the RTL dumps. (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved from tree.h. (ipa_passes): Remove. (all_passes, all_ipa_passes, all_lowering_passes): Now extern. * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved to tree-pass.h. (dump_info_p, dump_flag): Moved to tree-dump.h. * Makefile.in: Adjust dependencies for tree-pretty-print.c, cgraph.c, opts.c. * passes.c (finish_optimization_passes): Use dump_begin and dump_end, TDI_end. (gate_rest_of_compilation): New. (pass_rest_of_compilation): Use it. (gate_postreload, pass_postreload): New. * toplev.c (general_init): Rename init_tree_optimization_passes. * toplev.h (init_tree_optimization_passes): Rename to init_optimizations_passes. * tree-dump.c (dump_flag): Make static. (dump_files): Remove RTL dumps. * tree-optimize.c (pass_all_optimizations, pass_early_local_passes, pass_cleanup_cfg, pass_free_cfg_annotations, pass_cleanup_cfg_post_optimizing, pass_free_datastructures, pass_init_datastructures, pass_fixup_cfg): Make non-static. * tree-pretty-print.c: Include tree-pass.h. * cgraph.c: Include tree-dump.h. cp: 2005-07-05 Paolo Bonzini <bonzini@gnu.org> * Makefile.in (class.o, decl2.o): Adjust dependencies. * class.c: Include tree-dump.h. * decl2.c: Include tree-dump.h. java: 2005-07-05 Paolo Bonzini <bonzini@gnu.org> * Makefile.in (parse.o): Adjust dependencies. * parse.y: Include tree-dump.h. From-SVN: r101627
2005-07-03bb-reorder.c, [...]: Avoid "." or "\n" at end of diagnostics and capital ↵Joseph Myers1-1/+1
letters at start of diagnostics. * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c, cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c, config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c, config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h, config/stormy16/stormy16.c, config/v850/v850.c, config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c, except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c: Avoid "." or "\n" at end of diagnostics and capital letters at start of diagnostics. * combine.c, cse.c: Don't translate dump file output. * toplev.c (print_version): Only translate output if going to stderr. From-SVN: r101561
2005-06-25Update FSF address.Kelley Cook1-2/+2
From-SVN: r101317
2005-04-22builtins.c (gimplify_va_arg_expr): Reword comments to avoid 'abort'.Nathan Sidwell1-3/+4
* builtins.c (gimplify_va_arg_expr): Reword comments to avoid 'abort'. Use gcc_assert and gcc_unreachable as appropriate. * c-format.c (get_constant, decode_format_attr, get_flag_spec, find_char_info_specifier_index, find_length_info_modifier_index): Likewise. * c-typeck.c (composite_type, pop_init_level): Likewise. * combine.c (cant_combine_insn_p, try_combine): Likewise. * cse.c (cse_insn): Likewise * dominance.c (calc_dfs_tree): Likewise dwarf2out.c (loc_descriptor_from_tree_1, add_abstract_origin_attribute, force_decl_die, force_type_die): Likewise emit-rtl.c (operand_subword_force): Likewise explow.c (hard_function_value): Likewise expmed.c (store_bit_field, expand_divmod, emit_store_flag_force): Likewise expr.c (emit_move_multi_word, store_expr, expand_expr_real_1): Likewise final.c (this_is_asm_operands, shorten_branches, final_scan_insn, output_operand): Likewise flow.c (recompute_reg_usage): Likewise * function.c (assign_stack_temp_for_type, assign_temp, handle_epilogue_set): Likewise * genextract.c (main): Likewise * gimplify.c (mostly_copy_tree_r, gimplify_return_expr, gimplify_modify_expr_rhs, gimplify_expr): Likewise * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element, ready_remove, rm_line_notes, rm_other_notes, schedule_block): Likewise mips-tfile.c (copy_object, out_of_bounds): Likewise From-SVN: r98567
2005-04-06cse.c, [...]: Fix comment typos.Kazu Hirata1-1/+1
* cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c, tree-ssa-sink.c, tree.h, config/bfin/bfin.c, config/bfin/bfin.h: Fix comment typos. From-SVN: r97730
2005-04-05combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use gen_lowpart_for_combine.Paolo Bonzini1-41/+0
2004-04-05 Paolo Bonzini <bonzini@gnu.org> * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use gen_lowpart_for_combine. * cse.c (gen_lowpart_if_possible): Move... * rtlhooks.c (gen_lowpart_if_possible): ... here. Also try gen_lowpart_SUBREG. (gen_lowpart_no_emit_general): Use it. From-SVN: r97633
2005-03-25re PR rtl-optimization/20249 (ICE with -fprofile-arcs on ppc)Zdenek Dvorak1-1/+18
PR rtl-optimization/20249 * cse.c (insert_regs): Do not record equivalence of registers in different modes. * gcc.dg/20050325-1.c: New test. From-SVN: r97039
2005-03-14re PR rtl-optimization/18628 (miscompilation of switch statement in loop)Alexandre Oliva1-2/+24
gcc/ChangeLog: PR middle-end/18628 * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a register. gcc/testsuite/ChangeLog: * gcc.dg/pr18628.c: New. From-SVN: r96445
2005-03-08c-common.c, [...]: Fix comment formatting.Kazu Hirata1-1/+1
* c-common.c, c-opts.c, combine.c, cse.c, dojump.c, gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c, tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c, tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting. From-SVN: r96104
2005-03-06* cse.c (cse_reg_info_table): Make it static.Kazu Hirata1-1/+1
From-SVN: r95988
2005-03-06* cse.c (find_best_addr): Use canon_for_address.Zdenek Dvorak1-1/+2
From-SVN: r95983
2005-03-06cse.c (fold_rtx_subreg, [...]): New.Kazu Hirata1-312/+342
* cse.c (fold_rtx_subreg, fold_rtx_mem): New. (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle SUBREG and MEM, respectively. From-SVN: r95964
2005-02-25cse.c (delete_trivially_dead_insns): Speed up by minimizing calls to ↵Kazu Hirata1-1/+1
find_reg_note. * cse.c (delete_trivially_dead_insns): Speed up by minimizing calls to find_reg_note. From-SVN: r95532
2005-02-24cse.c (delete_trivially_dead_insns): Speed up by using NEXT_INSN and ↵Kazu Hirata1-8/+7
PREV_INSN directly instead of next_real_insn... * cse.c (delete_trivially_dead_insns): Speed up by using NEXT_INSN and PREV_INSN directly instead of next_real_insn and prev_real_insn. From-SVN: r95488
2005-02-21* gcse.c: Remove an obsolete comment.Kazu Hirata1-3/+5
From-SVN: r95319
2005-02-10cse.c, [...]: Fix comment typos.Kazu Hirata1-1/+1
* cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h: Fix comment typos. From-SVN: r94845
2005-02-07* cse.c: Update comments.Kazu Hirata1-13/+15
From-SVN: r94705
2005-02-02* cse.c: Update comments.Kazu Hirata1-4/+2
From-SVN: r94624
2005-02-01* cse.c (get_cse_reg_info): Update a comment.Kazu Hirata1-3/+2
From-SVN: r94511
2005-02-01cse.c (cse_reg_info): Remove hash_next, next, regno.Kazu Hirata1-86/+96
* cse.c (cse_reg_info): Remove hash_next, next, regno. Add timestamp. (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN, cached_cse_reg_info, GET_CSE_REG_INFO): Remove. (cached_regno): Initialize to INVALID_REGNUM. (cse_reg_info_table_size, cse_reg_info_table_first_uninitialized, cse_reg_info_timestamp): New. (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use get_cse_reg_info. (init_cse_reg_info, get_cse_reg_info_1): New. (get_cse_reg_info): Cache the last look-up. (new_basic_block): Update the code to clear mappings from registers to cse_reg_info entries. (cse_main): Call init_cse_reg_info. From-SVN: r94506
2005-01-31* cse.c (delete_trivially_dead_insn): Don't iterate.Kazu Hirata1-49/+43
From-SVN: r94498
2005-01-29cse.c (n_elements_made, [...]): Remove.Kazu Hirata1-20/+1
* cse.c (n_elements_made, max_elements_made): Remove. (insert): Don't touch n_elements_made. (cse_main): Don't touch n_elements_made or max_elements_made. From-SVN: r94407
2005-01-28* cse.c (fold_rtx) <PC>: Don't optimize.Kazu Hirata1-11/+1
From-SVN: r94378
2005-01-28cse.c (cse_reg_info_free_list, [...]): Remove.Kazu Hirata1-20/+29
* cse.c (cse_reg_info_free_list, cse_reg_info_used_list, cse_reg_info_used_list_end): Remove. (cse_reg_info_list, cse_reg_info_list_free): New. (get_cse_reg_info): When allocating an instance of cse_reg_info, add it to the beginning of the cse_reg_info_list list. Remove code to maintain cse_reg_info_used_list. (new_basic_block): Reset the free list to the beginning of cse_reg_info_list. From-SVN: r94375
2005-01-27cse.c: (find_best_addr): Don't call copy_rtx before calling fold_rtx.Arend Bayer1-15/+21
* cse.c: (find_best_addr): Don't call copy_rtx before calling fold_rtx. Save cost recomputation if fold_rtx did nothing. (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is NULL_RTX. Co-Authored-By: Kazu Hirata <kazu@cs.umass.edu> From-SVN: r94345
2005-01-26* cse.c (fold_rtx): Call equiv_constant only when necessary.Kazu Hirata1-2/+3
From-SVN: r94260
2005-01-23cse.c (max_reg, [...]): Remove.Kazu Hirata1-13/+0
* cse.c (max_reg, max_insn_uid): Remove. (cse_main): Don't access max_reg or max_insn_uid. From-SVN: r94119
2005-01-18basic-block.h, [...]: Update copyright.Kazu Hirata1-1/+1
* basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c, c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c, combine.c, config.gcc, coverage.h, cse.c, cselib.c, defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c, flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c, gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h, output.h, postreload-gcse.c, postreload.c, recog.c, resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c, targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c, tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c, tree-optimize.c, tree-outof-ssa.c, tree-pass.h, tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def, unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright. From-SVN: r93827
2005-01-05combine.c (expand_compound_operation): Add comment that we fall through ↵Steven Bosscher1-11/+7
after case. * combine.c (expand_compound_operation) <ZERO_EXTRACT>: Add comment that we fall through after case. (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST. (distribute_links): Likewise. * cse.c (cse_insn): Likewise. * cselib.c (cselib_invalidate_mem): Likewise. * df.c: Update comments at the top of the file. (read_modify_subreg_p): Update comments here too. (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST. * flow.c (mark_set_1): Likewise. (mark_used_regs): Likewise. * gcse.c (mems_conflict_for_gcse_p): Likewise. (canon_list_insert): Likewise. (mark_set): Likewise. (try_replace_reg): Likewise. (store_killed_in_insn): Likewise. * loop.c (count_one_set): Likewise. (basic_induction_var): Likewise. * postreload-gcse.c (find_mem_conflicts): Likewise. * postreload.c (reload_combine_note_store): Likewise. (move2add_note_store): Likewise. * reload.c (find_equiv_reg): Likewise. (mark_referenced_resources): Likewise. * rtlanal.c (set_noop_p): Likewise. (note_stores): Likewise. (note_uses): Likewise. * sched-deps.c (sched_analyze_1): Likewise. * sched-rgn.c (check_live_1): Likewise. (update_live_1): Likewise. * config/i860/i860.c: Likewise. * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as an lvalue. (ZERO_EXTRACT): Mention that this one can be an lvalue. * doc/rtl.texi: Update documentation for bit-fields and SET. From-SVN: r92974
2005-01-04re PR middle-end/17767 (MMX intrinsics cause internal compiler error)Uros Bizjak1-0/+4
PR middle-end/17767 * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt any simplifications of vector mode comparison operators. * simplify-rtx.c (simplify_relational_operation): Fix variable name. testsuite: * gcc.dg/i386-mmx-6.c: New test case. From-SVN: r92896
2004-11-26* cse.c, tree-ssa-operands.c: Fix comment typos.Kazu Hirata1-2/+2
From-SVN: r91339
2004-11-25parts of PR rtl-opt/18463, rtl-opt/17647Andrew Pinski1-0/+56
2004-11-25 Andrew Pinski <pinskia@physics.uc.edu> parts of PR rtl-opt/18463, rtl-opt/17647 * cse.c (canon_for_address): New function. (find_best_addr): Call canon_for_address before getting the address's cost when checking if we should take that address. From-SVN: r91308
2004-11-23cse.c (record_jump_cond_subreg): New.Richard Henderson1-20/+28
* cse.c (record_jump_cond_subreg): New. (record_jump_cond): Use it instead of gen_lowpart. From-SVN: r91119
2004-11-22bitmap.h (struct bitmap_obstack): New obstack type.Nathan Sidwell1-2/+1
* bitmap.h (struct bitmap_obstack): New obstack type. (struct bitmap_head_def): Replace using_obstack with obstack pointer. (bitmap_default_obstack): New. (bitmap_initialize): Make inline, does not do allocation. (bitmap_release_memory): Remove. (bitmap_obstack_initialize, bitmap_obstack_release): Declare. (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc, bitmap_obstack_free, bitmap_malloc_free): Declare. (BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust. (BITMAP_FREE): Replace with ... (BITMAP_OBSTACK_FREE): ... this. (BITMAP_XFREE): Adjust. (BITMAP_INIT_ONCE): Remove. * bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove. (bitmap_default_obstack): New. (bitmap_elem_to_freelist): Adjust. (bitmap_element_allocate): Adjust. Break initialization into ... (bitmap_obstack_initialize): ... here. (bitmap_release_memory): Replace with ... (bitmap_obstack_release): ... this. (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc, bitmap_obstack_free, bitmap_malloc_free): New. (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use bitmap_initialize. (bitmap_initialize): Move to bitmap.h. * gengtype.c (open_base_files): Add obstack.h to ifiles. * Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h. * basic-block.h (INIT_REG_SET): Allocate from reg_obstack. (INITIALIZE_REG_SET): Remove. (FREE_REG_SET): Use BITMAP_OBSTACK_FREE. (INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove. (flow_obstack): Do not declare. (reg_obstack): Declare. * regs.h: Include obstack.h. * tree-optimize.c (tree_rest_of_compilation): Initialize and release bitmap obstack here. * bb-reorder.c: #include regs, not basic-block. (fix_crossing_conditional_branches): Allocate regsets from reg_obstack. * bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or obstack.h. * caller-save.c: Include regs.h earlier. * cfg.c: Do not include basic-block.h or obstack.h. (reg_obstack): Define. * cfganal.c: Include obstack.h * cfgcleanyp.c: Do not include basic-block.h. Include regs.h earlier. * cfglayout.c: Do not include obstack.h. (flow_obstack): Remove declaration. (cfg_layout_duplicate_bb): Use reg_obstack. * cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h. * cfgrtl.c (rtl_split_block): Use reg_obstack. (force_nonfallthru_and_redirect, rtl_split_edge): Likewise. (safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust. (cfg_layout_split_edge): Use reg_obstack. * cse.c: Include regs.h earlier. * ddg.c: Do not include basic-block.h. * dominance.c: Inlude obstack.h. * flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust. (calculate_global_regs_live): Likewise. (allocate_bb_life_data): Use reg_obstack. (init_propagate_block_info): Use OBSTACK_ALLOC_REGSET. * global.c: Do not include basic-block.h. (build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust. * graph.c: Include obstack.h. * haifa-sched.c: Do not include basic-block.h. * ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust. * local-alloc.c: Do not include basic-block.h. * loop-init.c, loop-invariant.c: Include obstack.h. * loop-iv.c: Likewise. (simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET, adjust. * loop-unroll.c, loop-unswitch.c: Inlude obstack.h. * modulo-sched.c: Do not include basic-block.h. * passes.c (rest_of_handle_final): Do not call regset_release_memory. * ra-debug.c: Include regs.h earlier. Do not include basic-block.h. * recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust. * regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET. (allocate_reg_info): Do not call MAX_REGNO_REG_SET. (regset_release_memory): Remove. * resource.c: Do not include basic-block.h. * rtlanal.c: Do not include basic-block.h. * sbitmap.c: Include obstack.h. * sched-deps.c: Do not include basic-block.h. (reg_pending_sets_head, reg_pending_clobbers_head, reg_pending_uses_head): Remove. (init_deps_global): Use OBSTACK_ALLOC_REG_SET. * sched-ebb.c: Do not include basic-block.h. * sched-rgn.c: Likewise. * tree-if-conv.c (get_loop_body_in_if_conv_order): Use BITMAP_XFREE. * tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE. * tree-sra.c (decide_instantiations): Adjust bitmap initialization. * tree-ssa-dce.c: Include obstack.h. * tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack. (value_insert_into_set_bitmap): Remove useless bitmap_clear. (bitmap_set_new): Likewise. (init_pre): Initialize bitmap obstack. (fini_pre): Release bitmap obstack. * tree-ssanames.c (ssa_names_to_rewrite): Make static. (marked_for_rewrite_p): ssa_names_to_rewrite is never NULL. (mark_for_rewrite, unmark_for_rewrite): Likewise. (marked_ssa_names): Likewise. (init_ssanames): Use BITMAP_XMALLOC. (fini_ssanames): Use BITMAP_XFREE. * web.c: Include obstack.h From-SVN: r91009
2004-11-16cse.c (struct change_cc_mode_args): New structure.Andreas Krebbel1-12/+44
2004-11-16 Andreas Krebbel <krebbel1@de.ibm.com> * gcc/cse.c (struct change_cc_mode_args): New structure. (cse_change_cc_mode_insn): New function. (cse_change_cc_mode): Use validate_change to perfom changes. (cse_change_cc_mode_insns, cse_condition_code_reg): Call cse_change_cc_mode_insn. From-SVN: r90728
2004-11-13cse.c (cse_insn): Stores in a libcall sequence can invalidate previous loads.Bernd Schmidt1-12/+2
* cse.c (cse_insn): Stores in a libcall sequence can invalidate previous loads. From-SVN: r90587
2004-11-13cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and HARD_REGISTER_NUM_P.Steven Bosscher1-5/+3
* cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and HARD_REGISTER_NUM_P. * cselib.c (new_cselib_val): Make comment correct and more detailed. * flow.c (mark_set_1): Likewise. * except.c (duplicate_eh_region_1, duplicate_eh_region_2, duplicate_eh_regions): Remove. * except.h (duplicate_eh_regions): Remove prototype. * integrate.c (get_label_from_map, copy_rtx_and_substitute, global_const_equiv_varray): Remove. * integrate.h (get_label_from_map, copy_rtx_and_substitute, global_const_equiv_varray, set_label_in_map): Remove prototypes, extern declaration, and #define. (MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove. (struct inline_remap): Remove. * varray.c (struct element): Remove entry for const_equiv_data. * varray.h (struct const_equiv_data): Remove. (enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove. (union varray_data_tag) <const_equiv>: Remove. (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV, VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove. * regstack.c (record_label_references): Remove unused function. * rtl.def (VALUE): Update comment. (LABEL_REF): Remove unused operand 2. * rtl.h (struct rtx_def): Update for removed accessor macros. (XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN, REG_LOOP_TEST_P): Remove. (ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments. * web.c (entry_register): Don't copy REG_LOOP_TEST_P. * doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove. From-SVN: r90580
2004-11-02cfgloop.h (struct loop): Update comment.Steven Bosscher1-5/+1
* cfgloop.h (struct loop): Update comment. * cse.c (cse_main): Remove obsolete comment. * expr.h (gen_cond_trap): Move prototype under functions provided by optabs.c. (canonicalize_condition, get_condition): Move to... * rtl.h (canonicalize_condition, get_condition): ...here. (branch_target_load_optimize): Add comment that this function is in bt-load.c. * loop.c (canonicalize_condition, get_condition): Move to... * rtlanal.c (canonicalize_condition, get_condition): ...here. * sched-deps.c (get_condition): Rename to sched_get_condition. (add_dependence): Update this caller. From-SVN: r89995
2004-10-28cse.c (memory_extend_rtx): Remove.Richard Henderson1-13/+3
* cse.c (memory_extend_rtx): Remove. (cse_main): Don't set it. (cse_insn): Use a local buffer instead. From-SVN: r89765
2004-10-25cse.c: Change encoding of quantity numbers to avoid undefined pointer ↵Roger Sayle1-21/+17
arithmetic on... * cse.c: Change encoding of quantity numbers to avoid undefined pointer arithmetic on qty_table. (REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative. (get_cse_reg_info): Initialize reg_qty to a unique negative value. (new_basic_block): Assign "real" quantity numbers from zero. (delete_reg_equiv): Do nothing if quantity is invalid. Reset the REG_QTY to its unique negative value. (merge_equiv_classes): Calculate need_rehash if quantity is valid. (cse_main): Don't include max_reg when determining max_qty. (cse_basic_block): Avoid subtracting a large offset from qty_table, which causes undefined C99 behaviour. Only allocate needed memory. Co-Authored-By: John David Anglin <dave.anglin@nrc-cnrc.gc.ca> From-SVN: r89543
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