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* 2007-10-28 Richard Guenther <rguenther@suse.de>rguenth2007-10-281-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | * tree-flow.h (subvar_t): Make it a VEC. (struct subvar): Remove. (struct var_ann_d): Use VEC(tree,gc) to store subvars. * tree-flow-inline.h (get_subvar_at): Adjust iterators over variable subvars. * tree-into-ssa.c (mark_sym_for_renaming): Likewise. * tree-nrv.c (dest_safe_for_nrv_p): Likewise. * tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise. (set_initial_properties): Likewise. (setup_pointers_and_addressables): Likewise. (new_type_alias): Likewise. (create_overlap_variables_for): Likewise. * tree-dfa.c (dump_subvars_for): Likewise. * tree-ssa-operands.c (add_vars_for_offset): Likewise. (get_expr_operands): Likewise. (add_to_addressable_set): Likewise. * tree-ssa-structalias.c (set_uids_in_ptset): Likewise. * gcc.dg/tree-ssa/alias-15.c: Adjust pattern. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129699 138bc75d-0d04-0410-961f-82ee72b054a4
* Change copyright header to refer to version 3 of the GNU General Public ↵nickc2007-07-261-5/+5
| | | | | | License and to point readers at the COPYING3 file and the FSF's license web page. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126948 138bc75d-0d04-0410-961f-82ee72b054a4
* 2006-12-11 Diego Novillo <dnovillo@redhat.com>dnovillo2006-12-121-254/+457
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * doc/tree-ssa.texi: Update documentation for virtual operands and the use of push_stmt_changes/pop_stmt_changes. * doc/invoke.texi: Remove documentation for params global-var-threshold. Update documentation on max-aliased-vops. * tree-into-ssa.c: Cleanup comments, variables and spacing in various functions. (regs_to_rename): Declare. (mem_syms_to_rename): Declare. (dump_update_ssa): Declare. (debug_update_ssa): Declare. (dump_names_replaced_by): Declare. (debug_names_replaced_by): Declare. (dump_def_blocks): Declare. (debug_def_blocks): Declare. (dump_defs_stack): Declare. (debug_defs_stack): Declare. (dump_currdefs): Declare. (debug_currdefs): Declare. (mark_def_sites): Do not handle virtual operands. (compute_idf): Rename from find_idf. Update users. (register_new_def): Make local. Convert second argument to 'tree'. Use BLOCK_DEFS_STACK directly. If pushing a non-register, also push the underlying symbol. (rewrite_stmt): Do not handle virtual operands. (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack, dump_currdefs and dump_tree_ssa_stats. (dump_tree_ssa_stats): Also dump REPL_TBL. (replace_use): Remove. Update all users to call SET_USE instead. (rewrite_blocks): Move code to free memory to fini_ssa_renamer. (mark_def_site_blocks): Move initialization code to init_ssa_renamer. (init_ssa_renamer): New. (fini_ssa_renamer): New. (rewrite_into_ssa): Call them. (prepare_block_for_update): Process SSA_OP_ALL_USES first and SSA_OP_ALL_DEFS later. Do not process virtual operands separately. (dump_update_ssa): Call dump_decl_set. (init_update_ssa): Initialize regs_to_rename and mem_syms_to_rename. Call init_ssa_renamer. (delete_update_ssa): Call fini_ssa_renamer. Free blocks_with_phis_to_rewrite. (mark_sym_for_renaming): If the variable has sub-variables, also mark them. If the variable belongs to a partition, also mark it. (mark_set_for_renaming): Call mark_sym_for_renaming on every symbol in the set. (switch_virtuals_to_full_rewrite): Call mark_set_for_renaming. (update_ssa): Separate syms_to_rename into regs_to_rename and mem_syms_to_rename. * tree-dump.c (dump_options): Add TDF_MEMSYMS. * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS. (debug_generic_stmt): Likewise. (debug_tree_chain): Likewise. (dump_symbols): New. (dump_generic_node): Check for TDF_MEMSYMS. Handle MEMORY_PARTITION_TAG. If the statement references memory and TDF_MEMSYMS is given, call dump_symbols. Indicate default names with (D). (dump_vops): Update for new virtual operator format. * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to tree_contains_struct. (tree_code_size): Handle MEMORY_PARTITION_TAG. (tree_node_structure): Likewise. (needs_to_live_in_memory): Handle SSA names. * tree.h (MTAG_P): Likewise. (struct tree_memory_partition_tag): Declare. (MPT_SYMBOLS): Define. (union tree_node): Add field 'mpt'. * treestruct.def (TS_MEMORY_PARTITION_TAG): Define. * tree.def (MEMORY_PARTITION_TAG): Define. * tree-pass.h (TDF_MEMSYMS): Define. * params.h (GLOBAL_VAR_THRESHOLD): Remove. * tree-ssa-alias.c: Include pointer-set.h (struct alias_map_d): Remove fields total_alias_vops, grouped_p and may_aliases. Update all users. (struct mp_info_def): Declare. (mp_info_t): New type. (get_smt_for): Rename from get_tmt_for. Update all users. (add_may_alias): Add argument ALREADY_ADDED. If given, use it to avoid adding duplicate entries to alias sets. (replace_may_alias): Remove. Update all users. (total_alias_vops_cmp): Remove. Update all users. (group_aliases_into): Remove. Update all users. (tree_pointer_compare): Remove. Update all users. (compact_name_tags): Remove. Update all users. (group_aliases): Remove. Update all users. (mark_non_addressable): Move from tree-flow-inline.h. Remove the symbol from the partition holding it, if needed. (dump_mp_info): New. (debug_mp_info): New. (sort_mp_info): New. (create_partition_for): New. (rewrite_alias_set_for): New. (compute_memory_partitions): New. (compute_may_aliases): Call it. (init_alias_info): If computing aliases for the first time, mark every memory symbol for renaming. (have_common_aliases_p): New. (compute_flow_insensitive_aliasing): Call it. (setup_pointers_and_addressables): Do not cache num_referenced_vars. For register promoted symbols, mark their former partition for renaming. (maybe_create_global_var): Only create .GLOBAL_VAR if there are no call-clobbered variables and a mix of pure and non-pure functions were found. (may_alias_p): Tidy comments. (create_tag_raw): Remove unused variable new_type. (dump_alias_info): call dump_memory_partitions. (dump_points_to_info_for): Call dump_decl_set. (may_be_aliased): Tidy comments and formatting. * timevar.def (TV_MEMORY_PARTITIONING): Define. * tree-vectorizer.c (vect_memsyms_to_rename): Rename from vect_vnames_to_rename. Set DECL_UIDs instead of SSA name versions in it. (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs. * tree-vect-transform.c (vect_transform_loop): Call mark_set_for_renaming with vect_memsyms_to_rename. * tree-flow-inline.h (zero_imm_uses_p): New. (memory_partition): New. (set_memory_partition): New. (factoring_name_p): New. (symbol_mem_tag): New. Update every function that used to access the annotation directly. (set_symbol_mem_tag): Likewise. * tree-ssa-copy.c (may_propagate_copy): Allow copies between a partition and a symbol as long as the symbol belongs to the partition. (merge_alias_info): Ignore merge requests when memory partitions are involved. * tree-ssa.c (verify_ssa_name): Check that default definitions have empty defining statements. (verify_use): Remove argument IS_VIRTUAL. Don't call verify_ssa_name. (verify_phi_args): Call verify_ssa_name. (verify_flow_insensitive_alias_info): Handle MPTs. (verify_flow_sensitive_alias_info): Likewise. (verify_name_tags): Likewise. (verify_call_clobbering): Likewise. (verify_ssa): Check for VOPs only after aliasing information is available. Check virtuals and real operands separately. Call verify_ssa_name on every operand. (stmt_references_memory_p): Move to tree-ssa-operands.c. (walk_use_def_chains_1): Guard against NULL PHI arguments. * tree-ssa-operands.c (stmt_references_memory_p): Move from tree-ssa.c. (get_mpt_for): New. (dump_memory_partitions): New. (debug_memory_partitions): New. * tree-flow.h (struct var_ann_d): Add field mpt. (struct stmt_ann_d): Add bitfield references_memory. * Makefile.in (tree-ssa-structalias.o): Include pointer-set.h (tree-ssa-alias.o): Likewise. * tree-ssa-structalias.c: (update_alias_info): Use STORED_SYMS to determine which variables are being written to by the store operation. * tree-ssa-structalias.h (struct alias_info) <total_alias_vops>: Remove. Update all users. <written_vars>: Change to a pointer set. Update all users. <dereferenced_ptrs_store>: Likewise. <dereferenced_ptrs_load>: Likewise. (NUM_REFERENCES): Remove. Update all users. (NUM_REFERENCES_CLEAR): Remove. Update all users. (NUM_REFERENCES_INC): Remove. Update all users. (NUM_REFERENCES_SET): Remove. Update all users. * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove. Update all users. (PARAM_MAX_ALIASED_VOPS): Set to 10. * tree-ssanames.c (make_ssa_name): Initialize SSA_NAME_IS_DEFAULT_DEF to 0. 2006-12-11 Aldy Hernandez <aldyh@redhat.com> * tree-ssa-dse.c (aggregate_vardecl_d): New. (dse_global_data): Add aggregate_vardecl field. (dse_possible_dead_store_p): New. Add prev_defvar variable. Allow immediate uses and previous immediate uses to differ if they are setting different parts of the whole. (get_aggregate_vardecl): New. (dse_record_partial_aggregate_store): New. (dse_whole_aggregate_clobbered_p): New. (dse_partial_kill_p): New. (dse_optimize_stmt): Abstract code checking a possible dead store into new function dse_possible_dead_store_p(). Call dse_maybe_record_aggregate_store(). When checking whether a STMT and its USE_STMT refer to the same memory address, check also for partial kills that clobber the whole. Move some variable definitions to the block where they are used. (aggregate_vardecl_hash): New. (aggregate_vardecl_eq): New. (aggregate_vardecl_free): New. (aggregate_whole_store_p): New. (tree_ssa_dse): Initialize and free aggregate_vardecl. Mark which aggregate stores we care about. 2006-12-11 Andrew Macleod <amacleod@redhat.com> * tree-ssa-operands.h (struct vuse_element_d): Declare. (vuse_element_t): Declare. (struct vuse_vec_d): Declare. (vuse_vec_p): Declare. (VUSE_VECT_NUM_ELEM): Define. (VUSE_VECT_ELEMENT_NC): Define. (VUSE_ELEMENT_PTR_NC): Define. (VUSE_ELEMENT_VAR_NC): Define. (VUSE_VECT_ELEMENT): Define. (VUSE_ELEMENT_PTR): Define. (VUSE_ELEMENT_VAR): Define. (struct maydef_optype_d) <use_var>: Remove. <use_ptr>: Remove. <usev>: Add. (struct vuse_optype_d) <kill_var>: Remove. <use_ptr>: Remove. <usev>: Add. (struct mustdef_optype_d) <kill_var>: Remove. <use_ptr>: Remove. <usev>: Add. (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR. (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR. (VUSE_NUM): Define. (VUSE_VECT): Define. (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR. (MAYDEF_OP): Add argument. Use VUSE_OP. (MAYDEF_NUM): Define. (MAYDEF_VECT): Define. (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR. (MUSTDEF_KILL): Use VUSE_OP. (MUSTDEF_NUM): Define. (MUSTDEF_VECT): Define. (realloc_maydef): Declare. (realloc_vuse): Declare. (struct ssa_operand_iterator_d) <vuse_index>: Add. <mayuse_index>: Add. (LOADED_SYMS): Define. (STORED_SYMS): Define. (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef. * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE operators. * tree-pretty-print.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-flow-inline.h: Likewise. (op_iter_next_mustdef): New. * tree-ssa-operands.c: Likewise. (ALLOC_OPTYPE): Remove. Update all users. (alloc_def): New. (alloc_use): New. (alloc_maydef): New. (alloc_vuse): New. (alloc_mustdef): New. (realloc_maydef): New. (realloc_vuse): New. 2006-12-11 Aldy Hernandez <aldyh@redhat.com> * tree-ssa-operands.c: Remove build_v_must_defs. (init_ssa_operands): Delete build_v_must_defs. (finalize_ssa_v_must_def_ops): Remove. (finalize_ssa_v_must_defs): Remove. (finalize_ssa_stmt_operands): Do not call finalize_ssa_v_must_defs. (start_ssa_stmt_operands): Do not check build_v_must_defs. (append_v_must_def): Delete. (copy_virtual_operands): Do not copy V_MUST_DEFs. (get_modify_expr_operands): Remove reference to V_MUST_DEF from comment. Remove opf_kill_def. (build_ssa_operands): Remove references to v_must_defs. (copy_virtual_operands): Same. (copy_virtual_operands): Same. (fini_ssa_operands): Same. (free_ssa_operands): Same. (add_mustdef_op): Remove. Remove mustdef_optype_p. (alloc_mustdef): Remove. Remove references to V_MUST_DEFs in comment at top of file. (get_expr_operands): Remove opf_kill_def. (opf_kill_def): Remove. (add_virtual_operand): Remove opf_kill_def. (get_indirect_ref_operands): Same. (get_tmr_operands): Same. * tree-vectorizer.c (rename_variables_in_bb): Remove SSA_OP_ALL_KILLS. * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove SSA_OP_ALL_KILLS. (check_loop_closed_ssa_stmt): Same. * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment. (verify_use): Same. (verify_ssa): Remove V_MUST_DEFs traces. (verify_ssa): Remove SSA_OP_ALL_KILLS. * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to SSA_OP_VMAYDEF. (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS. (rewrite_stmt): Remove SSA_OP_ALL_KILLS. * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF references. (MUSTDEF_OPS): Remove. (SSA_OP_VMUSTDEF): Remove. (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove. (struct mustdef_optype_d): Remove. Remove mustdef_optype_p. (struct stmt_operands_d): Remove mustdef_ops. (ssa_operand_iterator_d): Remove mustdefs and mustkills. (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF. (MUSTDEF_RESULT_PTR): Remove. (MUSTDEF_RESULT): Remove. (MUSTDEF_KILL_PTR): Remove. (MUSTDEF_KILL): Remove. (MUSTDEF_NUM): Remove. (MUSTDEF_VECT): Remove. (SSA_OP_VIRTUAL_KILLS): Remove. (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS. (SSA_OP_VMUSTKILL): Remove. (SSA_OP_ALL_KILLS): Remove. (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS. * tree-flow-inline.h (op_iter_init_def): Remove SSA_OP_VIRTUAL_KILLS. (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS. * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove SSA_OP_VIRTUAL_KILLS. * tree-ssa-loop-im.c (determine_max_movement): Remove SSA_OP_VIRTUAL_KILLS. (gather_mem_refs_stmt): Same. (gather_mem_refs_stmt): Same. * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete. (perform_tree_ssa_dce): Remove call to mark_really_necessary_kill_operand_phis. * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs and mustkills. (op_iter_next_use): Do not check mustkills. (op_iter_next_def): Do not check mustdefs. (op_iter_next_tree): Do not check mustkills or mustdefs. (clear_and_done_ssa_iter): Do not set mustdefs or mustkills. (op_iter_next_maymustdef): Do not check mustkills. (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL. (op_iter_init_mustdef): Remove. * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to SSA_OP_VMAYDEF. * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF. * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments. (visit_assignment): Same. * tree-ssa-copy.c (copy_prop_visit_assignment): Same. * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment. * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF. * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF. Remove kill_p variable. * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs. (dump_dfa_stats): Remove code related to V_MUST_DEFs. (collect_dfa_stats_r): Do not set num_v_must_defs. (mark_new_vars_to_rename): Remove v_must_defs_{before,after} code. * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to SSA_OP_VMAYUSE. * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL. * tree-ssa-propagate.c (stmt_makes_single_store): Remove SSA_OP_VMUSTDEF. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119760 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-ssa-operands.h (create_ssa_artificial_load_stmt):dnovillo2006-12-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename from create_ssa_artficial_load_stmt. Update all users. * tree-into-ssa.c (register_new_def): Make static. * tree.c (is_global_var): Handle SSA_NAMEs. * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users that used to call gimple_default_def. * tree-ssa-operands.c (push_stmt_changes): New. (pop_stmt_changes): New. Update every pass that modifies statements to bracket modifications with push_stmt_changes/pop_stmt_changes. (discard_stmt_changes): New. * tree-ssa-dom.c (stmts_to_rescan): Change to stack of 'tree *' instead of 'tree'. Update all users. * tree-flow-inline.h (zero_imm_uses_p): New. (symbol_mem_tag): New. Update every function that used to access the annotation directly. (set_symbol_mem_tag): Likewise. * tree-dfa.c (dump_variable): Always show the escape mask. (mark_symbols_for_renaming): Rename from mark_new_vars_to_rename. Update all users. Only mark to rename naked symbols in real and virtual operands. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119746 138bc75d-0d04-0410-961f-82ee72b054a4
* Merge gimple-tuples-branch into mainline.aldyh2006-12-051-1/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119546 138bc75d-0d04-0410-961f-82ee72b054a4
* Privatize SSA variables into gimple_df.hubicka2006-11-281-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-flow-inline.h (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars, gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var, gimple_nonlocal_all): New accessors. (first_referenced_var): Update. (mark_stmt_modified): Update. (is_call_clobbered): Update. (mark_call_clobbered): Update. (clear_call_clobbered): Update. (mark_non_addressable): Update. * tree-vrp.c (get_value_range): Update. * tree-into-ssa.c (in_ssa_p): Kill. (get_default_def_for): Update. (rewrite_into_ssa): Update. * tree-complex.c (init_parameter_lattice_values): Update. (update_complex_assignment): Update. (update_parameter_components): Update. (expand_complex_libcall): Update. (expand_complex_operations_1): Update. * tree-tailcall.c (arg_needs_copy_p): Update. (add_virtual_phis): Update. (tree_optimize_tail_calls_1): Update. * tree-ssa-dse.c (memory_ssa_name_same): Update. * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Update. * tree-ssa-math-opts.c (execute_cse_reciprocals): Update. * tree-ssa-propagate.c (set_rhs): Update. * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars, addressable_vars, global_var):Kill. (set_initial_properties): Update. (init_alias_info): Update. (finalize_ref_all_pointers): Update. (setup_pointers_and_addressables): Update. (maybe_create_global_var): Update. (create_global_var): Update. (dump_points_to_info): Update. * function.h (struct gimple_df): Forward declare. (struct function): Add GIMPLE_DF field. * gimplify.c (force_gimple_operand): Update. * tree-dfa.c (referenced_vars, default_defs): KIll. (make_rename_temp): Update. (dump_variable): Update. (referenced_var_lookup): Update. (referenced_var_check_and_insert): Update. (default_def): Rename to ... (gimple_default_def): ... this one; accept cfun argument. (set_default_def): Update. * tree-cfgcleanup.c (modified_noreturn_calls): Kill. (cleanup_control_flow): Update. * tree-ssa-pre.c (compute_avail): Update * tree-ssa-live.c (calculate_live_on_entry): Update. * tree-ssa.c (verify_use): Update. (verify_call_clobbering): Update. (verify_call_clobbering): Update. (init_tree_ssa): Update. (delete_tree_ssa): Update. * tree-outof-ssa.c (coalesce_ssa_name): Update. (rewrite_out_of_ssa): Update. * tree-flow.h (gimple_df): New structure collecting dataflow variables. (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New private accessors. (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs, ssa_names, global_var, nonlocal_all, call_clobbered_vars, addressable_vars, aliases_computed_p): Kill. (default_def): Rename to... (gimple_default_def): ... this one. (defaule_def_fn): Kill. (num_referenced_vars, ssa_names, num_ssa_names): Update. * tree-ssa-structalias.c (nonlocal_all): Kill. (get_constraint_exp_from_ssa_var): Update. (create_nonlocal_var): Update. (get_constraint_for): Update. (update_alias_info): Update. (find_global_initializers): Update. (intra_create_variable_infos): Update. (intra_create_variable_infos): (find_what_p_points_to): Update. (init_alias_heapvars): Update. * tree-cfg.c (remove_bb): Update. (gimplify_val): Update. * tree-ssa-reassoc.c (get_rank): Update. (init_reassoc): Update. * tree-ssanames.c: Do not include gt-tree-ssanames.h (ssa_names, free_ssanames): Kill. (init_ssanames): Update. (make_ssa_name): Update. (release_ssa_name): Update. (release_defs): Update. (replace_ssa_name_symbol): Update. * tree-ssa-operands.c (access_can_touch_variable): Update. (add_virtual_operand): Update. (add_call_clobber_ops): Update. (add_call_read_ops): Update. (get_call_expr_operands): Update. (get_asm_expr_operands): Update. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119294 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-flow.h (name_mappings_registered_p): Declare.rakdver2006-11-121-0/+7
| | | | | | | | | | * tree-into-ssa.c (name_mappings_registered_p): New function. * tree-cfg.c (tree_can_merge_blocks_p): Check name_mappings_registered_p instead of need_ssa_update_p. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118732 138bc75d-0d04-0410-961f-82ee72b054a4
* PR tree-optimization/28839rakdver2006-08-311-0/+7
| | | | | | | | | | | * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in blocks in that phi arguments appear. * gcc.dg/pr28839.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116605 138bc75d-0d04-0410-961f-82ee72b054a4
* PR rtl-optimization/28071rakdver2006-08-161-40/+230
| | | | | | | | | | | | | | | | * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare. * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions. * tree-into-ssa.c (struct dom_dfsnum): New. (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New functions. (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of compute_global_livein. (prepare_block_for_update, prepare_use_sites_for): Mark the uses in phi nodes in the correct blocks. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116190 138bc75d-0d04-0410-961f-82ee72b054a4
* PR tree-optimization/26830rakdver2006-05-151-84/+145
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-into-ssa.c (struct ssa_name_info): Add age field. (info_for_ssa_name, current_info_for_ssa_name_age, blocks_to_update): New variables. (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX. (clear_ssa_name_info, initialize_flags_in_bb, mark_block_for_update): New functions. (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL. (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update, prepare_def_site_for): Use mark_block_for_update. (mark_def_interesting): Assert that the processed block is marked in blocks_to_update. Do not take blocks argument. (prepare_use_sites_for, prepare_names_to_update): Do not take blocks argument. (rewrite_update_init_block, rewrite_update_stmt): Only process blocks with statements to rewrite. (delete_update_ssa): Do not clear SSA_NAME_AUX. (update_ssa): Initialize and free blocks_to_update. Do not clear flags on statements. Do not use blocks bitmap. * tree.h (SSA_NAME_AUX): Removed. (struct tree_ssa_name): Removed aux field. * print-tree.c (print_node): Do not print SSA_NAME_AUX. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@113799 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): Newrakdver2006-05-011-6/+68
| | | | | | | | | | | | | variables. (mark_phi_for_rewrite): New function. (insert_phi_nodes_for, mark_use_interesting): Call mark_phi_for_rewrite. (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite. (update_ssa): Initialize and free phis_to_rewrite. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@113431 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,kazu2006-04-101-6/+1
| | | | | | | | | | | | | | tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o, global.o, cfglayout.o, lambda-code.o, reg-stack.o, build/genextract.o): Depend on vecprim.h. * cfglayout.c, df-problems.c, function.c, genextract.c, global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c, tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include vecprim.h. * vecprim.h: New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112830 138bc75d-0d04-0410-961f-82ee72b054a4
* 2006-03-02 Daniel Berlin <dberlin@dberlin.org>dberlin2006-03-021-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * gcc/tree-vrp.c (execute_vrp): Return value. * gcc/regrename.c (rest_of_handle_regrename): Ditto. * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto. * gcc/tree-complex.c (tree_lower_complex): Ditto. (tree_lower_complex_O0): Ditto. * gcc/tracer.c (rest_of_handle_tracer): Ditto. * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto. * gcc/postreload.c (rest_of_handle_postreload): Ditto. * gcc/tree-tailcall.c (execute_tail_recursion): Ditto. (execute_tail_calls): Ditto. * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * gcc/tree.h (init_function_for_compilation): Ditto. * gcc/ipa-cp.c (ipcp_driver): Ditto. * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto. * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto. * gcc/final.c (compute_alignments): Ditto. (rest_of_handle_final): Ditto. (rest_of_handle_shorten_branches): Ditto. (rest_of_clean_state): Ditto. * gcc/omp-low.c (execute_expand_omp): Ditto. (execute_lower_omp): Ditto. * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto. * gcc/ipa-reference.c (static_execute): Ditto. * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto. * gcc/reorg.c (rest_of_handle_delay_slots): Ditto. (rest_of_handle_machine_reorg): Ditto. * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto. * gcc/flow.c (recompute_reg_usage): Ditto. (rest_of_handle_remove_death_notes): Ditto. (rest_of_handle_life): Ditto. (rest_of_handle_flow2): Ditto. * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto. * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto. (do_ssa_store_ccp): Ditto. (execute_fold_all_builtins): Ditto. * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto. * gcc/modulo-sched.c (rest_of_handle_sms): Ditto. * gcc/ipa-pure-const.c (static_execute): Ditto. * gcc/cse.c (rest_of_handle_cse): Ditto. (rest_of_handle_cse2): Ditto. * gcc/web.c (rest_of_handle_web): Ditto. * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto. * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto. * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto. * gcc/tree-nrv.c (tree_nrv): Ditto. (execute_return_slot_opt): Ditto. * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto. (create_structure_vars): Ditto. * gcc/loop-init.c (rtl_loop_init): Ditto. (rtl_loop_done): Ditto. (rtl_move_loop_invariants): Ditto. (rtl_unswitch): Ditto. (rtl_unroll_and_peel_loops): Ditto. (rtl_doloop): Ditto. * gcc/gimple-low.c (lower_function_body): Ditto. (mark_used_blocks): Ditto. * gcc/tree-ssa-sink.c (execute_sink_code): Ditto. * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto. (cgraph_early_inlining): Ditto. * gcc/global.c (rest_of_handle_global_alloc): Ditto. * gcc/jump.c (cleanup_barriers): Ditto. (purge_line_number_notes): Ditto. * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto. (rest_of_handle_if_after_reload): Ditto. * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto. (tree_ssa_loop_im): Ditto. (tree_ssa_loop_unswitch): Ditto. (tree_vectorize): Ditto. (tree_linear_transform): Ditto. (tree_ssa_loop_ivcanon): Ditto. (tree_ssa_empty_loop): Ditto. (tree_ssa_loop_bounds): Ditto. (tree_complete_unroll): Ditto. (tree_ssa_loop_prefetch): Ditto. (tree_ssa_loop_ivopts): Ditto. (tree_ssa_loop_done): Ditto. * gcc/predict.c (tree_estimate_probability): Ditto. * gcc/recog.c (split_all_insns_noflow): Ditto. (rest_of_handle_peephole2): Ditto. (rest_of_handle_split_all_insns): Ditto. * gcc/tree-eh.c (lower_eh_constructs): Ditto. * gcc/regmove.c (rest_of_handle_regmove): Ditto. (rest_of_handle_stack_adjustments): Ditto. * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto. * gcc/function.c (instantiate_virtual_regs): Ditto. (init_function_for_compilation): Ditto. (rest_of_handle_check_leaf_regs): Ditto. * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto. (rest_of_handle_gcse): Ditto. * gcc/ipa-type-escape.c (type_escape_execute): Ditto. * gcc/alias.c (rest_of_handle_cfg): Ditto. * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto. * gcc/profile.c (rest_of_handle_branch_prob): Ditto. * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto. * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto. * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto * gcc/tree-dfa.c (find_referenced_vars): Ditto. * gcc/except.c (set_nothrow_function_flags): Ditto. (convert_to_eh_region_ranges): Ditto. (rest_of_handle_eh): Ditto. * gcc/emit-rtl.c (unshare_all_rtl): Ditto. (remove_unnecessary_notes): Ditto. * gcc/except.h (set_nothrow_function_flags): Ditto. (convert_to_eh_region_ranges): Ditto. * gcc/cfgexpand.c (tree_expand_cfg): Ditto. * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto. * gcc/tree-ssa-pre.c (do_pre): Ditto. (execute_fre): Ditto. * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto. (rest_of_handle_jump2): Ditto. * gcc/tree-sra.c (tree_sra): Ditto. * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto. (execute_mudflap_function_decls): Ditto. * gcc/tree-ssa-copy.c (do_copy_prop): Ditto. (do_store_copy_prop): Ditto. * gcc/ipa-prop.h (ipcp_driver): Ditto. * gcc/cfglayout.c (insn_locators_initialize): Ditto. * gcc/tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): Ditto. * gcc/cfglayout.h (insn_locators_initialize): Ditto. * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto. * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto. (execute_late_warn_uninitialized): Ditto. * gcc/rtl.h (cleanup_barriers): Ditto. (split_all_insns_noflow): Ditto. (purge_line_number_notes): Ditto. (unshare_all_rtl): Ditto. (remove_unnecessary_notes): Ditto. (recompute_reg_usage): Ditto. (variable_tracking_main): Ditto. * gcc/integrate.c (emit_initial_value_sets): Ditto. * gcc/integrate.h (emit_initial_value_sets): Ditto. * gcc/tree-optimize.c (execute_free_datastructures): Ditto (execute_free_cfg_annotations): Ditto. (execute_fixup_cfg): Ditto. (execute_cleanup_cfg_pre_ipa): Ditto. (execute_cleanup_cfg_post_optimizing): Ditto. (execute_init_datastructures): Ditto. * gcc/tree-object-size.c (compute_object_sizes): Ditto. * gcc/combine.c (rest_of_handle_combine): Ditto. * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto. * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto. (rest_of_handle_reorder_blocks): Ditto. (rest_of_handle_partition_blocks): Ditto. * gcc/var-tracking.c (variable_tracking_main): Ditto. * gcc/tree-profile.c (tree_profiling): Ditto. * gcc/tree-vect-generic.c (expand_vector_operations): Ditto. * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto. * gcc/sched-rgn.c (rest_of_handle_sched): Ditto. (rest_of_handle_sched2): Ditto. * gcc/basic-block.h (free_bb_insn): Ditto. * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto. * gcc/tree-cfg.c (execute_build_cfg): Ditto. (remove_useless_stmts): Ditto. (split_critical_edges): Ditto. (execute_warn_function_return): Ditto. (execute_warn_function_noreturn): Ditto. * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto. * gcc/cfgrtl.c (free_bb_for_insn): Ditto. * gcc/passes.c (execute_one_pass): Run additional todos returned by execute function. * gcc/tree-pass.h (struct tree_opt_pass): Make execute return a value. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111643 138bc75d-0d04-0410-961f-82ee72b054a4
* 2006-01-05 Richard Guenther <rguenther@suse.de>rguenth2006-01-051-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Diego Novillo <dnovillo@redhat.com> * tree-pass.h (TODO_remove_unused_locals): Define. * gimple-low.c (expand_var_p, remove_useless_vars, pass_remove_useless_vars): Remove. Update all users. * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names. (remove_unused_locals): New function. * tree-flow.h (remove_unused_locals): Declare. * passes.c (execute_todo): Call remove_unused_locals if TODO_remove_unused_locals is set. * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals. * tree-ssa-dce.c (pass_dce): Likewise. * tree-outof-ssa.c (pass_del_ssa): Likewise. * gcc.dg/tree-ssa/loop-11.c: Deal with removed vars pass. * gcc.dg/tree-ssa/loop-8.c: Likewise. * gcc.dg/tree-ssa/loop-1.c: Likewise. * gcc.dg/tree-ssa/pr23294.c: Likewise. * gcc.dg/tree-ssa/pr21985.c: Likewise. * gcc.dg/tree-ssa/loop-14.c: Likewise. * gcc.dg/tree-ssa/loop-2.c: Likewise. * gcc.dg/tree-ssa/loop-3.c: Likewise. * gcc.dg/tree-ssa/loop-4.c: Likewise. * gcc.dg/tree-ssa/pr21171.c: Likewise. * gcc.dg/tree-ssa/loop-5.c: Likewise. * gcc.dg/tree-ssa/loop-10.c: Likewise. * gcc.dg/tree-ssa/loop-6.c: Likewise. * treelang/compile/extravar.tree: Likewise. * g++.dg/tree-ssa/ssa-cast-1.C: Likewise. * g++.dg/tree-ssa/pointer-reference-alias.C: Likewise. * g++.dg/tree-ssa/ssa-sra-1.C: Likewise. * g++.dg/tree-ssa/ssa-sra-2.C: Likewise. * gcc.dg/tree-ssa/20031106-6.c: Disable SRA. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109379 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-vn.c (vn_add): Use XNEW.gdr2005-12-181-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC. (ccp_fold): Likewise. (fold_stmt_r): Use explicit cast to convert from void *. * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC. (new_temp_expr_table): Likewise. * gimplify.c (lookup_tmp_var): Use XNEW. (gimplify_asm_expr): Use explcit cast to convert from void *. * tree-into-ssa.c (get_ssa_name_ann): Likewise. (get_def_blocks_for): Use XNEW. (add_to_repl_tbl): Likewise. (mark_def_sites): Use explicit cast to convert from void *. (def_blocks_free): Likewise. (mark_def_sites_initialize_block): Likewise. (update_ssa): Use XNEWVEC. * tree-dfa.c (create_var_ann): Use GGC_NEW. (create_stmt_ann): Likewise. (create_tree_ann): Likewise. (referenced_var_insert): Likewise. (set_default_def): Likewise. (referenced_var_lookup_if_exists): Use explicit cast to * convert from void *. (referenced_var_lookup): Likewise. (default_def): Likewise. (set_default_def): Likewise. * tree-cfg.c (create_bb): Likewise. (edge_to_cases_cleanup): Likewise. (verify_node_sharing): Likewise. (record_switch_edge): Use XNEW. (cleanup_dead_labels): Use XCNEWVEC. (tree_duplicate_sese_region): Use XNEWVEC. * tree-scalar-evolution.c (get_instantiated_value): Likewise. * tree-ssa.c (verify_ssa): Use XCNEWVEC. (int_tree_map_eq): Use explicit cast to convert from void *. * libgcov.c (gcov_exit): Use explicit cast to convert from * void *. (__gcov_execl): Likewise. (__gcov_execlp): Likewise. (__gcov_execle): Likewise. * tree-eh.c (struct_ptr_eq): Likewise. (struct_ptr_hash): Likewise. (lookup_stmt_eh_region_fn): Likewise. (outside_finally_tree): Likewise. (find_goto_replacement): Likewise. (make_eh_edge): Likewise. (mark_eh_edge): Likewise. (add_stmt_to_eh_region_fn): Use GGC_NEW. (record_in_finally_tree): Use XNEW. (maybe_record_in_goto_queue): Use XRESIZEVEC. (lower_try_finally_copy): Use XCNEWVEC. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108736 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.davem2005-11-301-1/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107701 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (mark_def_sites): Correct minor typo in functionrmathew2005-10-151-2/+1
| | | | | | | comment. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105435 138bc75d-0d04-0410-961f-82ee72b054a4
* * builtins.c: Fix comment typo(s).reichelt2005-07-281-2/+2
| | | | | | | | | | | | | | | | | | | | | * genautomata.c: Likewise. * gimplify.c: Likewise. * tree-dfa.c: Likewise. * tree-flow-inline.h: Likewise. * tree-into-ssa.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-tailcall.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102491 138bc75d-0d04-0410-961f-82ee72b054a4
* * bt-load.c (link_btr_uses): Fix uninitialised warnings.bje2005-07-191-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * cfganal.c (find_edge_index): Ditto. * combine.c (combine_instructions): Ditto. * ddg.c (create_scc): Ditto. (find_successors): Ditto. (find_predecessors): Ditto. (find_nodes_on_paths): Ditto. (longest_simple_path): Ditto. * flow.c (update_life_info): Ditto. (count_or_remove_death_notes): Ditto. (clear_log_links): Ditto. * modulo-sched.c (generate_reg_moves): Ditto. (find_max_asap): Ditto. (find_max_hv_min_mob): Ditto. (find_max_dv_min_mob): Ditto. * sbitmap.c (sbitmap_first_set_bit): Ditto. * sched-rgn.c (extract_edgelst): Ditto. * tree-into-ssa.c (prepare_names_to_update): Ditto. (dump_update_ssa): Ditto. (ssa_names_to_replace) Ditto. (switch_virtuals_to_full_rewrite): Ditto. (update_ssa): Ditto. * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102151 138bc75d-0d04-0410-961f-82ee72b054a4
* 2005-06-29 Daniel Berlin <dberlin@dberlin.org>dberlin2005-06-301-15/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-complex.c (complex_variable_components): Now a hashtable. (cvc_lookup): Ditto. (cvc_insert): Ditto. (create_components): Use referenced var iterator. Initialize hashtable. Use cvc_insert/lookup. (extract_components): Use cvc_insert/lookup. (update_complex_components): Ditto. (update_complex_components_on_edge): Ditto. * tree-dfa.c (referenced_vars): Now a hashtable. (dump_referenced_vars): Use iterator. (referenced_var_lookup): New function. (referenced_var_insert): Ditto. (add_referenced_var): Use referenced_var_insert. (mark_new_vars_to_rename): Use DECL_UID. * tree-flow-inline.h (first_htab_element): New function. (end_htab_p): Ditto. (next_htab_element): Ditto. (first_referenced_var): Ditto. (end_referenced_vars_p): Ditto. (next_referenced_var): Ditto. (is_call_clobbered): Use DECL_UID. (mark_call_clobbered): Ditto. (clear_call_clobbered): Ditto. (mark_non_addressable): Ditto. * tree-flow.h (htab_iterator): New struct. (FOR_EACH_HTAB_ELEMENT): New macro. (struct int_tree_map): New struct. (int_tree_map_hash): Prototype. (int_tree_map_eq): Ditto. (referenced_var_iterator): Ditto. (FOR_EACH_REFERENCED_VAR): New macro. (referenced_vars): Now a hashtable. * tree-into-ssa.c (symbol_marked_for_renaming): Use DECL_UID. (add_new_name_mapping): Ditto. (mark_def_sites): Ditto. (insert_phi_nodes): Use referenced_var iterator. (mark_def_site_blocks): Ditto. (mark_sym_for_renaming): Use DECL_UID. * tree-sra.c (is_sra_candidate_decl): Use DECL_UID. (lookup_element): Ditto. (find_candidates_for_sra): Use referenced_vars iterator. Use DECL_UID. * tree-ssa-alias.c (NUM_REFERENCES): New macro. (NUM_REFERENCES_CLEAR): Ditto. (NUM_REFERENCES_INC): Ditto. (NUM_REFERENCES_SET): Ditto. (alias_obstack): New bitmap obstack. (struct alias_map_d): Use bitmap, not sbitmap. (struct alias_info): Remove num_references. (init_alias_info): Use referenced_var iterator. Initialize bitmap obstack. (delete_alias_info): Use referenced_var iterator. Free bitmap obstack. (compute_points_to_and_addr_escape): Use DECL_UID. Use new NUM_REFERENCES macros. (compute_flow_sensitive_aliasing): may_aliases is now a bitmap. Use new NUM_REFERENCES macros. (group_aliases_into): Update prototype to use bitmap. (setup_pointers_and_addressables): Use referenced_vars iterator. Use DECL_UID. Use new NUM_REFERENCES macros. (add_pointed_to_var): Use DECL_UID. (dump_alias_info): Use referenced_var iterator. (add_type_alias): Ditto. (used_portions): Now a hashtable. (used_part_map_eq): New function. (used_part_map_hash): Ditto. (free_used_part_map): Ditto. (up_lookup): Ditto. (up_insert): Ditto. (get_or_create_used_part_for): Use up_lookup. (create_overlap_variables_for): Ditto. (find_used_portions): Use up_insert. Use DECL_UID. (create_structure_vars): Init used_portions hashtable, use referenced_vars iterator. * tree-ssa-live.c (create_ssa_var_map): sbitmaps became bitmaps. Use DECL_UID. * tree-ssa-loop-im.c (gather_mem_refs_stmt): Use DECL_UID. * tree-ssa-operands.c (get_asm_expr_operands): Ditto. (note_addressable): Ditto. * tree-ssa-structalias.c (set_uids_in_ptset): Ditto. * tree-ssa.c (verify_flow_insensitive_alias_info): Use referenced_var iterator. Use DECL_UID. (delete_tree_ssa): Ditto. (int_tree_map_eq): New function. (int_tree_map_hash): Ditto. * tree-stdarg.c (find_va_list_reference): Use DECL_UID. (va_list_ptr_read): Ditto. (va_list_counter_struct_op): Ditto. (va_list_ptr_write): Ditto. (check_va_list_escapes): Ditto. (check_all_va_list_escapes): Ditto. (execute_optimize_stdarg): Ditto. * tree-tailcall.c (suitable_for_tail_opt_p): Used referenced_var iterator. 2005-06-30 Daniel Berlin <dberlin@dberlin.org> * hashtab.h (HTAB_DELETED_ENTRY): New macro. (HTAB_EMPTY_ENTRY): New macro. 2005-06-30 Daniel Berlin <dberlin@dberlin.org> * hashtab.c (EMPTY_ENTRY): Moved and renamed. (DELETED_ENTRY): Ditto. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101480 138bc75d-0d04-0410-961f-82ee72b054a4
* Update FSF address.kcook2005-06-251-2/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101317 138bc75d-0d04-0410-961f-82ee72b054a4
* * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,kazu2005-06-071-16/+24
| | | | | | | | | | | sbitmap_iter_cond, sbitmap_iter_next): New. * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c, modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c, tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update uses of EXECUTE_IF_SET_IN_SBITMAP to the new style. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100709 138bc75d-0d04-0410-961f-82ee72b054a4
* * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,ghazi2005-06-011-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c, lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c, tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c, tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c, tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c, tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c, tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c, tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include errors.h and include toplev.h if necessary. * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include errors.h otherwise include toplev.h. * Makefile.in: Update dependencies. ada: * misc.c: Don't include errors.h. fortran: * fortran/trans-decl.c: Don't include errors.h. * fortran/Make-lang.in: Updates dependencies. java: * java/verify-glue.c: Don't include errors.h and include toplev.h. * java/Make-lang.in: Updates dependencies. treelang: * treelang/lex.l, treelang/parse.y: Don't include errors.h and include toplev.h. * treelang/Make-lang.in: Updates dependencies. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100420 138bc75d-0d04-0410-961f-82ee72b054a4
* * vec.h: Implement integral type vector specialization.nathan2005-05-271-2/+2
| | | | | | | | | | | | | | | | | | | | | (VEC_T): Define a non-GTY structure. (VEC_T_GTY): Define a GTY structure. (VEC_TA): Rename to ... (VEC_TA_GTY): ... here. (DEF_VEC_I, DEF_VEC_ALLOC_I): New. (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust. (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of DEF_VEC_P and DEF_VEC_ALLOC_P. (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust. (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of DEF_VEC_O and DEF_VEC_ALLOC_O. * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I. * lambda-code.c: Likewise. * tree-into-ssa.c: Likewise. * tree-ssa-live.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100251 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (update_ssa): Ensure that the operand cachekazu2005-05-271-0/+4
| | | | | | | | | is up-to-date. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call update_stmt_if_modified before calling update_ssa. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100250 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replacekazu2005-05-251-2/+2
| | | | | | | sizeof (bitmap *) with sizeof (bitmap). git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100152 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (update_ssa): Clean up by shortening thekazu2005-05-171-16/+16
| | | | | | | live range of DFS. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99847 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-dfa.c (referenced_vars, add_referenced_var): Use VECkazu2005-05-081-1/+1
| | | | | | | | | | | instead of VARRAY. * tree-flow.h (num_referenced_var, referenced_var): Likewise. * tree-into-ssa.c (mark_def_site_blocks): Likewise. * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise. * tree-tailcall.c (suitable_for_tail_opt_p): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99393 138bc75d-0d04-0410-961f-82ee72b054a4
* 2005-05-03 Andrew MacLeod <amacleod@redhat.com>amacleod2005-05-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lambda-code.c (gcc_loop_to_lambda_loop, lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def, stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use generic operand interface. * tree-data-ref.c (find_data_references_in_loop): Use generic interface. * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use generic operand interface. * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt, next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use, num_imm_uses): Use ssa_use_operand_t. (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops, get_v_must_def_ops): Delete. (get_def_from_ptr, get_phi_result_ptr): Get def directly now. (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr, get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr, get_v_must_def_kill_ptr): Delete. (delink_stmt_imm_use): Move and use new operand interface. (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init, op_iter_next_tree): Use new operand implementation. (clear_and_done_ssa_iter): New. Initialize a blank operand iterator. (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator type check. (op_iter_next_mustdef, op_iter_next_maydef, op_iter_next_must_and_may_def): Delete. Replace with... (op_iter_next_maymustdef): New. Combine must and may next operations. (op_iter_init_maydef, op_iter_init_mustdef, op_iter_init_must_and_may_def): Use new interface. (single_ssa_tree_operand ): New. Process single operands only as trees. (single_ssa_use_operand): New. Process single operands only as uses. (single_ssa_def_operand): New. Process single operands only as defs. (zero_ssa_operands): New. Return TRUE if there are zero operands of the specified types. (num_ssa_operands): New. Count the number of specified operands. (compare_ssa_operands_equal): New. Compare two statements' operands. (single_phi_def): New. Return true if PHI has one def of the specified operand type. (op_iter_init_phiuse): New. Initialize the iterator for PHI arguments. (op_iter_init_phidef): New. Initialize the iterator for the PHI def. * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t. (struct stmt_ann_d): Operands field no longer require GTY(). (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype. * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL. * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, dump_replaceable_exprs, rewrite_trees): Use generic interface. * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): Use use_operand_p instead of ssa_imm_use_t *. * tree-pretty-print.c (dump_vops): check if operands are active before dumping virtual operands. * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS. * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS. (ccp_fold): Use new interface. (ccp_visit_stmt): Remove unused variables and code. (convert_to_gimple_builtin): Insert statements before calling mark_new_vars_to_rename. * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS. (copy_prop_visit_cond_stmt): Use generic interface. * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the annotation in table. (thread_across_edge): Use generic interface. (initialize_hash_element): Initialzie with stmt, not annotation. (eliminate_redundant_computations): Use generic interface. (record_equivalences_from_stmt): Pass stmt, not annotation. (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic interface. * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS. * tree-ssa-loop-ivopts.c (find_invariants_stmt, find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use generic operand interface. * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic interface. * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand Interface. * tree-ssa-operands.c (struct opbuild_list_d): New. Operand build type. (build_defs, build_uses, build_v_may_defs, build_vuses, build_v_must_defs): Change type to struct opbuild_list_d. (ops_active): New. Operands active boolean. (operand_memory, operand_memory_index): New. Operand memory managers. (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype, allocate_vuse_optype, allocate_v_must_def_optype): Delete. (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): Change from functions to static variable list heads. (opbuild_initialize_virtual): New. Initialize a virtual build list. (opbuild_initialize_real): New. Initialize a virtual build list. (opbuild_free): New. Free a build list. (opbuild_num_elems): New. Number of items in a list. (opbuild_append_real): New. Add a real (tree *) operand. (opbuild_append_virtual): New. Add and sort a virtual (tree) operand. (opbuild_first): New. Return first element index in a list. (opbuild_next): New. Return next element in a list. (opbuild_elem_real): New. Return real element. (opbuild_elem_virtual): New. Return virtual element. (opbuild_elem_uid): New. Return UID of virtual element. (opbuild_clear): New. Reset an operand list. (opbuild_remove_elem): New. Remove an element form a list. (ssa_operands_active): New. Return true if operand cache is active. (init_ssa_operands, fini_ssa_operands): Initialize new implementation. (ssa_operand_alloc): New. Allocate memory from an operand chunk. (correct_use_link): Use use_operand_p. (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. (cleanup_v_may_defs): Use new implmentation. (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New implementation. (append_def, append_use, append_v_may_def, append_vuse, append_v_must_def): Call opbuild_append routine instead of using varray. (build_ssa_operands): Simplify to simply use stmt, don't maintain a global parse_old_ops variable. (free_ssa_operands): New implementation. (update_stmt_operands): Move. Change argument to build_ssa_operands. (copy_virtual_operands): Move. New generic implementation. (create_ssa_artficial_load_stmt): Move. New implementation. (swap_tree_operands): Update for new implementation. (get_expr_operands): Add stmt parameter to calls to swap_tree_operands. (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list rather than a varray. (verify_imm_links): Use use_operand_p. (dump_immediate_uses_for): If the immediate use variable is a virtual variable, show the virtual ops in the stmt. * tree-ssa-operands.h (def_operand_p): No longer a structure. (NULL_DEF_OPERAND_P): Now a #define. (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d, vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete. (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d, mustdef_optype_d): New. Use Linked list representation. (SSA_OPERAND_MEMORY_SIZE): New. Size of operand memory chunk. (struct ssa_operand_memory_d): New. Allocated Chunk node. (struct stmt_operands_d): Change to new pointers that are not GTY. (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP, STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT, SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP, STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, SET_V_MUST_DEF_KILL): Delete. (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*. (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*. (enum ssa_op_iter_type): Operand iterator typechecking values. (struct ssa_operand_iterator_d): Use linked lists of operands. (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL. (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND, FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef. (FOR_EACH_PHI_ARG): New. Iterate over PHI arguments. (FOR_EACH_PHI_OR_STMT_USE): New. Iterate over PHI or stmt uses. (FOR_EACH_PHI_OR_STMT_DEF): New. Iterate over PHI or stmt defs. (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New. * tree-ssa-opfinalize.h: New. Function templates for expansion. (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef, alloc_vuse, and alloc_mustdef. (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops, and finalize_ssa_v_must_def_ops. * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add. (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass stmt around. (compute_avail): Use generic iterator interface. * tree-ssa-propagate.c (first_vdef): Use generic operand interface. (stmt_makes_single_load, stmt_makes_single_store): Use ZERO_SSA_OPERANDS. * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS. (statement_sink_location): Use generic interface. * tree-ssa.c (verify_ssa): Use %p in fprintf. Use generic interface. (delete_tree_ssa): Don't call release_defs. Call release_ssa_name and reset the immediate use link nodes. (stmt_references_memory_p): Use ZERO_SSA_OPERANDS. * tree-ssanames.c (make_ssa_name): Use use_operand_p. * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS. (eliminate_tail_call): Use generic operand interface. * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS. (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic interface. * tree-vect-transform.c (update_vuses_to_preheader): Use generic interface. * tree-vectorizer.c (rename_variables_in_bb): Use generic interface. * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of vuse_optype. (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): Use statement pointer instead of vuse_optype. Use generic interface. * tree-vrp.c (maybe_add_assert_expr): Use generic interface. (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS. * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d. (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d. * doc/tree-ssa.texi: Update documentation for operand interface. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99155 138bc75d-0d04-0410-961f-82ee72b054a4
* 2005-04-22 Diego Novillo <dnovillo@redhat.com>dnovillo2005-04-231-887/+417
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H. * lambda-code.c (perfect_nestify): Mark virtual operands in the moved statement for renaming. * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define. (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define. * params.h (MIN_VIRTUAL_MAPPINGS): Define. (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define. * tree-flow.h (struct var_ann_d): Update comments. (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names, allocate_ssa_names, find_phi_node_for, dump_tree_ssa, debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats, debug_tree_ssa_stats, rewrite_ssa_into_ssa, dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by, debug_names_replaced_by): Remove declarations. (delete_update_ssa, get_current_def, set_current_def): Declare. (rewrite_into_loop_closed_ssa): Add new argument. Update all callers. * tree-into-ssa.c: Include params.h. (old_virtual_ssa_names): Remove. Update all users. (need_to_replace_names_p): Remove. Update all users. (struct update_ssa_stats_d): Declare. (update_ssa_stats): New local. (dump_tree_ssa, debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats, debug_tree_ssa_stats, dump_update_ssa, debug_update_ssa, dump_names_replaced_by, debug_names_replaced_by): Declare. (get_current_def, set current_def): Make extern. (is_old_name, is_new_name): Protect against references past the end of the sets. (add_new_name_mapping): Assert that OLD and NEW are different SSA names for the same symbol. When adding a virtual mapping, update stats for virtual mapping heuristic. (insert_phi_nodes_for): If UPDATE_P is true, create the LHS of the new PHI by duplicating SSA name VAR. (insert_phi_nodes_1): Remove. Update all users. (insert_phi_nodes): Remove second argument. Update all users. (maybe_replace_use, maybe_replace_def): New. (rewrite_update_stmt): Call them. (mark_def_interesting): Remove calls to is_gimple_reg. (prepare_phi_args_for_update): Remove. Update all users. (prepare_block_for_update): Only process virtual operands and GIMPLE registers in normal form. (prepare_use_sites_for): New. (prepare_names_to_update): Rename from prepare_def_sites. Call prepare_use_sites_for. (dump_update_ssa): Rename from dump_repl_tbl. Update all users. Show statistics for virtual mapping heuristic. (debug_update_ssa): Rename from debug_debug_repl_tbl. (init_update_ssa): Initialize UPDATE_SSA_STATS. (delete_update_ssa): Make extern. (mark_set_for_renaming): If the set is empty, do nothing. (release_ssa_name_after_update_ssa): Update comment. (insert_updated_phi_nodes_for): Do not remove existing PHI nodes for symbols. (switch_virtuals_to_full_rewrite_p): New. (switch_virtuals_to_full_rewrite): New. (update_ssa): Call them. Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT for every statement before updating. If all the names in NEW_SSA_NAMES have been marked for removal, do nothing. Only start at the top of the CFG if there are symbols in SYMS_TO_RENAME. (ssa_rewrite_finalize_block): Remove. (ssa_register_new_def): Remove. (ssa_rewrite_stmt): Remove. (ssa_rewrite_phi_arguments): Remove. (ssa_rewrite_initialize_block): Remove. (ssa_mark_def_sites): Remove. (ssa_mark_def_sites_initialize_block): Remove. (ssa_mark_phi_uses): Remove. (rewrite_ssa_into_ssa): Remove. * tree-phinodes.c (find_phi_node_for): Remove. * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Call update_ssa. * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Remove calls to verify_dominators and verify_loop_structure. (tree_unswitch_single_loop): Call update_ssa. * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p returns false. Call verify_stmts. (delete_tree_ssa): Assert that need_ssa_update_p returns false. * tree-vect-transform.c (vect_transform_loop): Call update_ssa. * tree-vectorizer.c (allocate_new_names, rename_def_op, free_new_names): Remove. Update all users. (rename_use_op): Call get_current_def. (rename_variables_in_bb): Do not handle any real or virtual definition. (slpeel_update_phis_for_duplicate_loop): Call get_current_def and set_current_def instead of using SSA_NAME_AUX. (slpeel_update_phi_nodes_for_guard2): Reformat comments. (slpeel_can_duplicate_loop_p): Call need_ssa_update_p, ssa_names_to_replace and delete_update_ssa. * doc/invoke.texi: Document --param min-virtual-mappings and --param virtual-mappings-ratio. 2005-04-22 Zdenek Dvorak <dvorakz@suse.cz> Diego Novillo <dnovillo@redhat.com> * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for for newly created PHI nodes. Call create_new_def_for for every new V_MAY_DEF and V_MUST_DEF on the copied statement. (struct ssa_name_map_entry): Remove. (ssa_name_map_entry_hash): Remove. (ssa_name_map_entry_eq): Remove. (allocate_ssa_names): Remove. (rewrite_to_new_ssa_names_def): Remove. (rewrite_to_new_ssa_names_use): Remove. (rewrite_to_new_ssa_names_bb): Remove. (rewrite_to_new_ssa_names): Remove. (tree_duplicate_sese_region): Remove variables ver, definitions, phi, ssa_name_map and bi. Call need_ssa_update_p instead of any_marked_for_rewrite_p. Call update_ssa. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call update_ssa instead of rewrite_ssa_into_ssa. * tree-ssa-loop-manip.c (add_exit_phis_edge): Call create_new_def_for. (find_uses_to_rename_use): Add argument 'need_phis'. (find_uses_to_rename_stmt): Do not scan virtual operands. (find_uses_to_rename): Only scan PHI nodes for non-virtual names. (rewrite_into_loop_closed_ssa): Call update_ssa. (check_loop_closed_ssa_use): Ignore virtual operands. (check_loop_closed_ssa_stmt): Likewise. (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is NULL. (rename_variables, set_phi_def_stmts): Remove. (tree_duplicate_loop_to_header_edge): Reformat comment. Remove variables BB, I and DEFINITIONS. Call need_ssa_update_p. Call update_ssa. (lv_adjust_loop_header_phi): Reformat comment. * tree-ssanames.c (ssa_names_to_rewrite): Remove. (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite, unmark_all_for_rewrite, marked_ssa_names): Remove. Update all users. (release_ssa_name): If VAR has been registered for SSA updating, do nothing. * tree-vrp.c (new_ssa_names, old_ssa_names): Remove. (build_assert_expr_for): Call register_new_name_mapping. (insert_range_assertions): Update call to update_ssa. * tree.h (mark_for_rewrite, unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p, marked_ssa_names): Remove. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98599 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,rakdver2005-04-221-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | _gcov_pow2_profiler and _gcov_one_value_profiler. (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency. (GTFILES): Add $(srcdir)/tree-profile.c. * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler, __gcov_one_value_profiler): Declare. * gimplify.c (force_gimple_operand): Check whether the statements should be produced in ssa form. (force_gimple_operand_bsi): New function. * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler, __gcov_one_value_profiler): New functions. * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether the profiled value is a power of two or not. * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks. * tree-flow.h (in_ssa_p): Declare. (force_gimple_operand_bsi): Declare. * tree-into-ssa.c (in_ssa_p): New variable. (rewrite_into_ssa): Set in_ssa_p. * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p. * tree-profile.c: Include ggc.h and gt-tree-profile.h. (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn, tree_one_value_profiler_fn): New variables. (tree_init_edge_profiler): Initialize the profiler function decls. (tree_gen_edge_profiler): Use global gcov_type_node. (prepare_instrumented_value): New function. (tree_gen_interval_profiler, tree_gen_interval_profiler, tree_gen_one_value_profiler): Call the library functions instead of creating instrumentation code. * tree.c (build_fn_decl): New function. * tree.h (build_fn_decl): Declare. * value-prof.c (rtl_divmod_values_to_profile, rtl_find_values_to_profile, rtl_mod_pow2_value_transform, tree_mod_pow2_value_transform, tree_find_values_to_profile): Do not handle may_be_other and precise values of exponents at pow2 profiler. (tree_mod_subtract_transform): Reflect that value field of histogram has changed meaning. (tree_divmod_values_to_profile): Record the values correctly. (tree_values_to_profile): Update comment. * value-prof.h (struct histogram_value_t): Remove pow2 data. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98555 138bc75d-0d04-0410-961f-82ee72b054a4
* * vec.h: Update API to separate allocation mechanism from type.nathan2005-04-211-30/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (VEC_safe_grow): New. * vec.c (calculate_allocation): New. (vec_gc_o_reserve, vec_heap_o_reserve): Adjust. (vec_gc_free, vec_heap_free): Remove. * gengtype-lex.l (DEF_VEC_): Process mult-argument macros. Adjust. (VEC): Likewise. (mangle_macro_name): New. (struct macro_def): New. (struct macro): Add multiple argument values. (macro_expans_end): New. (push_macro_expansion): Chain on new macro. Process multiple args, create follow on expansion. Return follow on argument. (macro_input): Deal with multiple arguments. * tree.h: Define VEC(tree,heap) and VEC(tree,gc). (struct tree_binfo): Adjust. * basic-block.h: Define VEC(edge,gc). (struct edge_def): Adjust. (struct basic_block_def, struct edge_iterator): Likewise. (ei_container, ei_start_1, ei_last_1): Likewise. * cfg.c (connect_src, connect_dest): Likewise. * cfgrtl.c (force_nonfallthru_and_redirect) * dbxout.c (dbxout_type) * dwarf2out.c (gen_member_die) * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc). (gcc_tree_to_linear_expression): Adjust. (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest, lbv_to_gcc_expression, lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, perfect_nestify): Likewise. * lambda.h (gcc_loopnest_to_lambda_loopnest, lambda_loopnest_to_gcc_loopnest): Adjust prototypes. * profile.c (instrument_values): Adjust. * tree-cfg.c (modified_noreturn_calls): Adjust. (remove_fallthru_edge): Likewise. * tree-dump.c (dequeue_and_dump): Adjust. * tree-flow-inline.h (mark_stmt_modified): Adjust. * tree-flow.h (modified_noreturn_calls): Adjust. (tree_on_heap): Remove. (yay!) (register_new_def): Adjust. * tree-into-ssa.c: Define VEC(int,heap). (block_defs_stack): Adjust. (find_idf, insert_phi_nodes, register_new_def, rewrite_initialize_block, rewrite_finalize_block, register_new_update_single, rewrite_update_init_block, rewrite_update_fini_block, rewrite_blocks, ssa_rewrite_finalize_block, ssa_register_new_def, ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise. * tree-loop-linear.c (linear_transform_loops): Adjust. * tree-ssa-alias.c: Define VEC(fieldoff_t,heap). (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust. * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack, stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack, vrp_variables_stack): Adjust declarations. (tree_ssa_dominator_optimize): Adjust. (dom_opt_initialize_block, remove_local_expressions_from_table, restore_nonzero_vars_to_original_value, restore_vars_to_original_value, restore_currdefs_to_original_value, dom_opt_finalize_block, record_var_is_nonzero, record_cond, record_const_or_copy_1, optimize_stmt, update_rhs_and_lookup_avail_expr, lookup_avail_expr, record_range): Likewise. * tree-ssa-pre.c: Define VEC(basic_block,heap). (compute_antic_aux): Adjust. (inserted_exprs, create_expression_by_pieces, insert_into_preds_of_block, eliminate, mark_operand_necessary, remove_dead_inserted_code, fini_pre): Likewise. * tree-ssa-propagate.c (interesting_ssa_edges): Adjust. (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. ssa_prop_init): Likewise. * tree-ssa.c: Define VEC(bitmap,heap). (verify_name_tags): Adjust. * value-prof.c (rtl_divmod_values_to_profile): Adjust. (insn_prefetch_values_to_profile, rtl_find_values_to_profile, tree_divmod_values_to_profile, tree_find_values_to_profile, value_profile_transformations): Likewise. * value-prof.h: Define VEC(histogram_value,heap). * varasm.c: Remove alias_pair pointer typedef, define VEC(alias_pair,gc). (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust. * config/pa/pa.c (typedef extern_symbol): Typedef the structure, not a pointer to it. Create an object vector. (extern_symbols): Turn into an object vector. (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust. * cp/cp-tree.h: Adjust for new VEC API. Define VEC(tree_pair_s,gc). (struct save_scope): Adjust. (struct lang_type_class): Adjust. (unemitted_tinfo_decls): Adjust. * cp/class.c (add_method, resort_type_method_vec, finish_struct_methods, struct find_final_overrider_data, dfs_find_final_overrider_pre, find_final_overrider, get_vcall_index, warn_hidden, walk_subobject_offsets, check_methods, fixup_inline_methods, end_of_class, warn_about_ambiguous_bases, finish_struct, build_vtbl_initializer, add_vcall_offset): Adjust. * cp/decl.c (xref_basetypes, finish_method): Adjust. * cp/decl2.c (check_classfn): Adjust. * cp/init.c (sort_mem_initializers, push_base_cleanups): Adjust. * cp/method.c (do_build_copy_constructor): Adjust. * cp/name-lookup.c (new_class_binding, store_binding, store_bindings, store_class_bindings): Adjust. * cp/name-lookup.h: Define VEC(cxx_saved_binding,gc), VEC(cp_class_binding,gc). (struct cp_binding_level): Adjust. * cp/parser.c: Define VEC(cp_token_position,heap). (struct cp_lexer): Adjust. (cp_lexer_new_main, cp_lexer_new_from_tokens, cp_lexer_destroy, cp_lexer_save_tokens): Adjust. * cp/pt.c (retrieve_specialization, check_explicit_specialization): Adjust. * cp/rtti.c (unemitted_tinfo_decls): Adjust. (init_rtti_processing, get_tinfo_decl, get_pseudo_ti_init, get_pseudo_ti_desc): Adjust. * cp/search.c (dfs_access_in_type, lookup_conversion_operator, lookup_fnfields_1, dfs_walk_once, dfs_walk_once_accessible, dfs_get_pure_virtuals, lookup_conversions_r, binfo_for_vbase): Adjust. * cp/semantics.c: Define VEC(deferred_access,gc). (push_deferring_access_checks): Adjust. * cp/typeck2.c (abstract_virtuals_error): Adjust. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98498 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c: Fix a comment typo.kazu2005-04-171-1/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98285 138bc75d-0d04-0410-961f-82ee72b054a4
* Merge from tree-cleanup-branch: VRP, store CCP, storednovillo2005-04-091-325/+1785
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | copy-prop, incremental SSA updating of FUD chains and newly exposed symbols. * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h. (OBJS-common): Add tree-vrp.o. (tree-vrp.o): New rule. * basic-block.h (nearest_common_dominator_for_set): Declare. * common.opt (ftree-store-ccp): New flag. (ftree-copy-prop): New flag. (ftree-vrp): New flag. (ftree-store-copy-prop): New flag. * dominance.c (nearest_common_dominator_for_set): New. * domwalk.c (walk_dominator_tree): Only traverse statements in blocks marked in walk_data->interesting_blocks. * domwalk.h (struct dom_walk_data): Add field interesting_blocks. * fold-const.c (fold): Handle ASSERT_EXPR. * opts.c (decode_options): Set flag_tree_copy_prop at -O1. Set flag_tree_store_ccp, flag_tree_store_copy_prop and flag_tree_vrp at -O2. * timevar.def (TV_TREE_VRP): Define. (TV_TREE_COPY_PROP): Define. (TV_TREE_STORE_COPY_PROP): Define. (TV_TREE_SSA_INCREMENTAL): Define. (TV_TREE_STORE_CCP): Define. * tree-cfg.c (tree_can_merge_blocks_p): Remove reference to kill_redundant_phi_nodes from comment. (verify_expr): Handle ASSERT_EXPR. * tree-dfa.c (mark_new_vars_to_rename): Remove second argument. Update all users. (mark_call_clobbered_vars_to_rename): Remove. Update all users. * tree-flow-inline.h (unmodifiable_var_p): New. * tree-flow.h (enum value_range_type): Declare. (struct value_range_def): Declare. (value_range): Declare. (remove_all_phi_nodes_for): Remove. Update all users. (find_phi_node_for): Declare. (add_type_alias): Declare. (count_uses_and_derefs): Declare. (kill_redundant_phi_nodes): Remove. (rewrite_into_ssa): Remove. (rewrite_def_def_chains): Remove. (update_ssa, register_new_name_mapping, create_new_def_for, need_ssa_update_p, name_registered_for_update_p, release_ssa_name_after_update_ssa, dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by, debug_names_replaced_by, mark_sym_for_renaming, mark_set_for_renaming, get_current_def, set_current_def, get_value_range, dump_value_range, debug_value_range, dump_all_value_ranges, debug_all_value_ranges, expr_computes_nonzero, loop_depth_of_name, unmodifiable_var_p): Declare. * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle ASSERT_EXPR. * tree-into-ssa.c (block_defs_stack): Update comment. (old_ssa_names, new_ssa_names, old_virtual_ssa_names, syms_to_rename, names_to_release, repl_tbl, need_to_initialize_update_ssa_p, need_to_update_vops_p, need_to_replace_names_p): New locals. (NAME_SETS_GROWTH_FACTOR): Define. (struct repl_map_d): Declare. (struct mark_def_sites_global_data): Add field interesting_blocks. (enum rewrite_mode): Declare. (REGISTER_DEFS_IN_THIS_STMT): Define. (compute_global_livein): Use last_basic_block instead of n_basic_blocks. (set_def_block): Remove last argument. Update all callers. (prepare_use_operand_for_rename): Remove. Update all callers. (prepare_def_operand_for_rename): Remove. Update all callers. (symbol_marked_for_renaming): New. (is_old_name): New. (is_new_name): New. (repl_map_hash): New. (repl_map_eq): New. (repl_map_free): New. (names_replaced_by): New. (add_to_repl_tbl): New. (add_new_name_mapping): New. (mark_def_sites): Assume that all the operands in the statement are in normal form. (find_idf): Assert that the block in the stack is valid. (get_default_def_for): New. (insert_phi_nodes_for): Add new argument 'update_p'. Add documentation. If update_p is true, add a new mapping between the LHS of each new PHI and the name that it replaces. (insert_phi_nodes_1): Only call find_idf if needed. (get_reaching_def): Call get_default_def_for. (rewrite_operand): Remove. (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT and REWRITE_THIS_STMT are false. Assume that all the operands in the statement are in normal form. (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN. (rewrite_virtual_phi_arguments): Remove. (invalidate_name_tags): Remove. (register_new_update_single, register_new_update_set, rewrite_update_init_block, replace_use, rewrite_update_fini_block, rewrite_update_stmt, rewrite_update_phi_arguments): New. rewrite_blocks): Remove argument 'fix_virtual_phis'. Add arguments 'entry', 'what' and 'blocks'. Initialize the dominator walker according to 'what' and 'blocks'. Start the dominator walk at 'entry'. (mark_def_site_blocks): Add argument 'interesting_blocks'. Use it to configure the dominator walker. (rewrite_into_ssa): Remove argument 'all'. Make internal. (rewrite_all_into_ssa): Remove. (rewrite_def_def_chains): Remove. (mark_def_interesting, mark_use_interesting, prepare_phi_args_for_update, prepare_block_for_update, prepare_def_site_for, prepare_def_sites, dump_names_replaced_by, debug_names_replaced_by, dump_repl_tbl, debug_repl_tbl, init_update_ssa, delete_update_ssa, create_new_def_for, register_new_name_mapping, mark_sym_for_renaming, mark_set_for_renaming, need_ssa_update_p, name_registered_for_update_p, ssa_names_to_replace, release_ssa_name_after_update_ssa, insert_updated_phi_nodes_for, update_ssa): New. * tree-loop-linear.c (linear_transform_loops): Call update_ssa instead of rewrite_into_ssa. * tree-optimize.c (vars_to_rename): Remove. Update all users. (init_tree_optimization_passes): Replace pass_redundant_phi with pass_copy_prop. Add pass_vrp. Replace pass_ccp with pass_store_ccp. Add pass_store_copy_prop after pass_store_ccp. (execute_todo): If the TODO_ flags don't include updating the SSA form, assert that it does not need to be updated. Call update_ssa instead of rewrite_into_ssa and rewrite_def_def_chains. If TODO_verify_loops is set, call verify_loop_closed_ssa. (tree_rest_of_compilation): * tree-pass.h (TODO_dump_func, TODO_ggc_collect, TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts, TODO_cleanup_cfg): Renumber. (TODO_verify_loops, TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi, TODO_update_ssa_only_virtuals): Define. (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp): Declare. * tree-phinodes.c (make_phi_node): Update documentation. (remove_all_phi_nodes_for): Remove. (find_phi_node_for): New. * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR. * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise. (interpret_rhs_modify_expr): Likewise. * tree-sra.c (decide_instantiations): Mark all symbols in SRA_CANDIDATES for renaming. (mark_all_v_defs_1): Rename from mark_all_v_defs. (mark_all_v_defs): New function. Update all users to call it with the whole list of scalarized statements, not just the first one. * tree-ssa-alias.c (count_ptr_derefs): Make extern. (compute_flow_insensitive_aliasing): If the tag is unmodifiable and the variable isn't or vice-versa, don't make them alias of each other. (setup_pointers_and_addressables): If the type tag for VAR is about to change, mark the old one for renaming. (add_type_alias): New. * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP. (ccp_lattice_t): Rename from latticevalue. (value): Remove. Update all users. (const_val): New local variable. (do_store_ccp): New local variable. (dump_lattice_value): Handle UNINITIALIZED. (debug_lattice_value): New. (get_default_value): Re-write. (set_lattice_value): Re-write. (def_to_varying): Remove. Update all users. (likely_value): Return VARYING for statements that make stores when STORE_CCP is false. Return VARYING for any statement other than MODIFY_EXPR, COND_EXPR and SWITCH_EXPR. (ccp_initialize): Re-write. (replace_uses_in, replace_vuse_in, substitute_and_fold): Move to tree-ssa-propagate.c. (ccp_lattice_meet): Handle memory stores when DO_STORE_CCP is true. (ccp_visit_phi_node): Likewise. (ccp_fold): Likewise. (evaluate_stmt): Likewise. (visit_assignment): Likewise. (ccp_visit_stmt): Likewise. (execute_ssa_ccp): Add argument 'store_ccp'. Copy it into DO_STORE_CCP. (do_ssa_ccp): New. (pass_ccp): Use it. (do_ssa_store_ccp): New. (gate_store_ccp): New. (pass_store_ccp): Declare. * tree-ssa-copy.c: Include tree-ssa-propagate.h. (may_propagate_copy): Reformat. Don't abort if ORIG is a virtual and DEST isn't. If NEW does not have alias information but DEST does, copy it. (copy_of, cached_last_copy_of, do_store_copy_prop, enum copy_prop_kind, which_copy_prop): Declare. (stmt_may_generate_copy, get_copy_of_val, get_last_copy_of, set_copy_of_val, dump_copy_of, copy_prop_visit_assignment, copy_prop_visit_cond_stmt, copy_prop_visit_stmt, copy_prop_visit_phi_node, init_copy_prop, fini_copy_prop, execute_copy_prop, gate_copy_prop, do_copy_prop, gate_store_copy_prop, store_copy_prop): New. (pass_copy_prop, pass_store_copy_prop): Declare. * tree-ssa-dom.c (struct opt_stats_d): Add fields 'num_const_prop' and 'num_copy_prop'. (cprop_operand): Update them. (dump_dominator_optimization_stats): Dump them. (tree_ssa_dominator_optimize): Call update_ssa instead of rewrite_into_ssa. (loop_depth_of_name): Declare extern. (simplify_cond_and_lookup_avail_expr): Guard against NULL values for LOW or HIGH. (cprop_into_successor_phis): Only propagate if NEW != ORIG. (record_equivalences_from_stmt): Call expr_computes_nonzero. (cprop_operand): Only propagate if VAL != OP. * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed statement for renaming. * tree-ssa-loop-im.c (move_computations): Call update_ssa. * tree-ssa-loop-ivopts.c (rewrite_address_base): Call add_type_alias if necessary. Call mark_new_vars_to_rename. (tree_ssa_iv_optimize): If new symbols need to be renamed, mark every statement updated, call update_ssa and rewrite_into_loop_closed_ssa. * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB from LIVEIN if VAR is a virtual. * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa. * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR. (get_call_expr_operands): Reformat statement. (add_stmt_operand): Don't create V_MAY_DEFs for read-only symbols. * tree-ssa-propagate.c (ssa_prop_init): Initialize SSA_NAME_VALUE for every name. (first_vdef, stmt_makes_single_load, stmt_makes_single_store, get_value_loaded_by): New. (replace_uses_in, replace_vuses_in, replace_phi_args_in, substitute_and_fold): Move from tree-ssa-ccp.c. * tree-ssa-propagate.h (struct prop_value_d, prop_value_t, first_vdef, stmt_makes_single_load, stmt_makes_single_store, get_value_loaded_by, replace_uses_in, substitute_and_fold): Declare. * tree-ssa.c (verify_use): Fix error message. (propagate_into_addr, replace_immediate_uses, get_eq_name, check_phi_redundancy, kill_redundant_phi_nodes, pass_redundant_phi): Remove. Update all users. * tree-vect-transform.c (vect_create_data_ref_ptr): Call add_type_alias, if necessary. * tree-vectorizer.h (struct _stmt_vect_info): Update documentation for field 'memtag'. * tree-vrp.c: New file. * tree.def (ASSERT_EXPR): Define. * tree.h (ASSERT_EXPR_VAR): Define. (ASSERT_EXPR_COND): Define. (SSA_NAME_VALUE_RANGE): Define. (struct tree_ssa_name): Add field 'value_range'. (PHI_REWRITTEN): Remove. (struct tree_phi_node): Remove field 'rewritten'. * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop, -ftree-store-copy-prop): Document. * doc/tree-ssa.texi: Remove broken link to McCAT's compiler. Document usage of update_ssa. testsuite/ChangeLog * g++.dg/tree-ssa/pr18178.C: New test. * gcc.c-torture/execute/20030216-1.x: Ignore at -O1. * gcc.c-torture/execute/20041019-1.c: New test. * gcc.dg/tree-ssa/20041008-1.c: New test. * gcc.dg/tree-ssa/ssa-ccp-12.c: New test. * gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp. * gcc.dg/tree-ssa/20030917-1.c: Likewise. * gcc.dg/tree-ssa/20030917-3.c: Likewise. * gcc.dg/tree-ssa/20040721-1.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97884 138bc75d-0d04-0410-961f-82ee72b054a4
* 2005-04-05 Andrew MacLeod <amacleod@redhat.com>amacleod2005-04-051-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt. Use immediate use iterator. (stmt_is_bumper_for_loop): Use immediate use iterator. * predict.c (strip_builtin_expect): Use update_stmt. * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified on all elements of a STATEMENT_LIST. (bsi_insert_before, bsi_insert_after): Call update_modified_stmts. (bsi_remove): Remove imm_use links and mark the stmt as modified. (bsi_replace): Mark stmt as modified and the update it. * tree-complex.c (update_complex_assignment): Call mark_stmt_modified. (expand_complex_libcal): Call update_stmt. (expand_complex_comparison): Call mark_stmt_modified. (expand_complex_operations_1): Call update_stmt_if_modified. (expand_vector_operations_1): Call mark_stmt_modified. * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df, compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt, add_immediate_use, redirect_immediate_use, redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses, dump_immediate_uses_for, debug_immediate_uses_for): Delete. (mark_new_vars_to_rename): Call update_stmt. * tree-dump.c (dump_option_value_in): Add "stmtaddr". * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified. Ignore PHI nodes. (unmodify_stmt): Delete. (update_stmt): New. Force an update of a stmt. (update_stmt_if_modified): update a stmt if it is out of date. (get_stmt_operands): Verify stmt is NOT modified. (stmt_modified_p): Update comment. (delink_imm_use): Remove a use node from its immuse list. (link_imm_use_to_list): Link a use node to a specific list. (link_imm_use): Link a node to the correct list. (set_ssa_use_from_ptr): Set a use node to a specific value, and insert it in the correct list, if appropriate. (link_imm_use_stmt): Link a use node, and set the stmt pointer. (relink_imm_use): Link a use node in place of another node in a list. (relink_imm_use_stmt): LInk a node in place of another node, and set the stmt pointer. (end_safe_imm_use_traverse): New. Terminate a safe immuse iterator. (end_safe_imm_use_p): New. Check for the end of a safe immuse iterator. (first_safe_imm_use): New. Initialize a safe immuse iterator. (next_safe_imm_use): New. Proceed to next safe immuse iterator value. (end_readonly_imm_use_p): New. Check for end of a fast immuse iterator. (first_readonly_imm_use): New. Initialize a fast immuse iterator. (next_readonly_imm_use): New. Get the next fast immuse iterator value. (has_zero_uses): New. Return true if there are no uses of a var. (has_single_use): New. Return true if there is only a single use of a variable. (single_imm_use): New. Return the simgle immediate use. (num_imm_uses): New. Return the number of immediate uses. (get_v_must_def_ops): Use is now a pointer. (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of the use node. (get_immediate_uses, num_immediate_uses, immediate_use): Delete. (delink_stmt_imm_use): Delink all immuses from a stmt. (phi_arg_index_from_use): New. Return a phi arg index for a use. * tree-flow.h (struct dataflow_d): Delete. (immediate_use_iterator_d): New. Immediate use iterator struct. (FOR_EACH_IMM_USE_FAST): New. Macro for read only immuse iteration. (FOR_EACH_IMM_USE_SAFE): New. Macro for write-safe immuse iteration. (BREAK_FROM_SAFE_IMM_USE): New. Macro for earlyu exit from write-safe iteration. (struct stmt_ann_d): Remove dataflow_t from struct. * tree-if-conv.c (tree_if_conversion). Don't call free_df. (if_convertible_phi_p): Use FAST immuse iterator. (if_convertible_loop_p): Don't call compute_immediate_uses. (replace_phi_with_cond_modify_expr): Call update_stmt. * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call update_stmt_if_modified. (rewrite_all_into_ssa): Initialize ssa operands. * tree-loop-linear.c (linear_transform_loops): Don't call free_df or compute_immediate_uses. * tree-optimize.c (execute_todo): Call verify_ssa whenever the ssa_property is available. (execute_one_pass): Change parameters passed to execute_todo. * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt. (remove_ssa_form): Call fini_ssa_operands. (insert_backedge_copies): Delete call to modify_stmt. * tree-phinodes.c (make_phi_node): Initialize use nodes. (release_phi_node): Delink any use nodes before releasing. (resize_phi_node): Relink any use nodes. (remove_phi_arg_num): Delink the use node. (remove_phi_node): Release the ssa_name AFTER releasing the phi node. (remove_all_phi_nodes_for): Release phi node first. * tree-pretty-print.c (dump_generic_node): Print stmt address. * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified. (scalarize_use, scalarize_copy): Call update_stmt. * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts. (compute_points_to_and_addr_escape): Call mark_stmt_modified. * tree-ssa-cpp.c (need_imm_uses_for): Delete. (ccp_initialize): Remove call to compute_immediate_uses. (substitute_and_fold, execute_fold_all_builtins): Call update_stmt. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified stmts. (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified. (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified. (eliminate_redundant_computations): Call mark_stmt_modified. (cprop_operand): Call mark_stmt_modified. (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified. * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete. (dse_optimize_stmt): Use new immuse interface. (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df. * tree-ssa-forwprop.c (need_imm_uses_for): Delete. (substitute_single_use_vars): Use new immuse interface. (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df and compute_immediate_uses. * tree-ssa-loop-im.c (single_reachable_address): Use new immuse interface. (rewrite_mem_refs): Call update_stmt. (determine_lsm): Remove call to compute_imm_uses and free_df. * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt. (try_unroll_loop_completely): Call update_stmt. * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt. (rewrite_use_compare): Call update_stmt. (compute_phi_arg_on_exit): Insert each stmt before trying to process. (rewrite_use) : Call update_stmt. * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call. * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call update_stmt. * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration. (allocate_use_optype, allocate_vuse_optype): Adjust allocation size. (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink use nodes. (initialize_vuse_operand): New. Initialize a vuse operand. (initialize_v_may_def_operand): New. Initialize a maydef operand. (initialize_v_must_def_operand): New. Initialize a mustdef operand. (finalize_ssa_defs): Use stmt parameter. (correct_use_link): Ensure a use node is in the correct list, and has the correct stmt pointer. (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs): Also initialize use nodes. (finalize_ssa_stmt_operands): Pass extra stmt operands. (build_ssa_operands): Seperate parsing from final operand construction. (parse_ssa_operands): New. Parse entry point for operand building. (swap_tree_operands): New. Swap 2 tree operands. (update_stmt_operands): Ranamed from get_stmt_operands. Always builds operands. (get_expr_operands): Call swap_tree_operands when needed. (copy_virtual_operands): Use initialize routines for virtual use ops. (create_ssa_artficial_load_stmt): Add extra stmt parameter. (verify_abort): New. Issue imm_use error. (verify_imm_links): New Verify imm_use links for a var. (dump_immediate_uses_for): New. Dump imm_uses for a var to file. (dump_immediate_uses): New. Dump imm_uses for all vars to file. (debug_immediate_uses): New. Dump imm_uses for all vars to stderr. (debug_immediate_uses_for): New. Dump imm_uses for a var to stderr. * tree-ssa-operands.h (struct use_operand_ptr): Delete. (NULL_USE_OPERAND_P) Define. (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate use node. (struct vuse_operand_type): New struct. (SET_USE): Call set_ssa_use_from_ptr. (USE_STMT): Define. (PHI_ARG_INDEX_FROM_USE): Define. * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi argument via SET_USE, not PHI_ARG_DEF_TREE. * tree-ssa-pre.c (eliminate): Call update_stmt. * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators. Don't call free_df. * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator. (nearest_common_dominator_of_uses): Use imm_use iterator. (statement_sink_location): Use imm_use iterator and interface. (execute_sink_code): Don't call compute_immediate_uses or free-df. * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use PHI_ARG_DEF, not PHI_ARG_DEF_TREE. * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info. (verify_ssa): Ensure no stmt is marked modify after optimization pass if new parameter is true. (init_tree_ssa): Don't initialize operand cache here. (delete_tree_ssa): Don't destroy operand cache here. (propagate_into_addr): Pass in a use pointer, return true if anything was changed. (replace_immediate_uses): Use imm_use iterator, call update_stmt. (check_phi_redundancy): Use imm_use iterator. (kill_redundant_phi_nodes): Don't call compute_immediate_uses or free_df. * tree-ssanames.c (make_ssa_name): Initialize imm_use node. (release_ssa_name): Delink node and all elements in its imm_use list. * tree-tailcall.c (adjust_return_value): Call update_stmt. * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator. * tree-vectorizer.c (need_imm_uses_for): Delete. (vectorize_loops): Dont call compute_immediate_uses or free_df. * tree.h (struct ssa_imm_use_d): Define. (SSA_NAME_IMM_USE_NODE): Define. (struct tree_ssa_name): Add imm_use node. (PHI_DF): Delete. (PHI_ARG_IMM_USE_NODE): Define. (struct phi_arg_d): Add imm_use node. (struct tree_phi_node): Remove struct dataflow_d element. (TDF_STMTADDR): Define. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97648 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c: Remove obsolete comments.kazu2005-03-211-6/+3
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* * tree-into-ssa.c (find_idf): Use VEC_quick_push instead ofkazu2005-03-181-1/+5
| | | | | | | VEC_safe_push. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96684 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (find_idf): Speed up by putting the indexeskazu2005-03-131-11/+8
| | | | | | | of basic blocks into work_stack. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96367 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (ann): Remove ann.kazu2005-03-091-2/+0
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96185 138bc75d-0d04-0410-961f-82ee72b054a4
* PR tree-optimization/20204dnovillo2005-02-251-5/+1
| | | | | | | | | | | | | | | * tree-into-ssa.c (insert_phi_nodes_for): Do not use REWRITE_THIS_STMT markers on PHI nodes. (rewrite_initialize_block): Likewise. testsuite/ChangeLog PR tree-optimization/20204 * testsuite/gcc.dg/pr20204.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95547 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c: Re-organize internal functions.dnovillo2005-02-241-712/+726
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95499 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...dnovillo2005-02-221-7/+8
| | | | | | | (rewrite_into_ssa): ... here. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95395 138bc75d-0d04-0410-961f-82ee72b054a4
* * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.nathan2005-02-171-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and BITMAP_FREE. * bt-load.c (btr_def_live_range, combine_btr_defs, migrate_btr_def, migrate_btr_defs): Likewise. * cfgcleanup.c (thread_jump): Likewise. * cfgloop.c (get_loop_body_in_bfs_order): Likewise. * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute, df_rd_local_compute, df_reg_info_compute): Likewise. * dominance.c (init_dom_info, free_dom_info): Likewise. * flow.c (init_propagate_block_info, free_propagate_block_info): Likewise. * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise. * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav, modify_reg_pav): Likewise. * loop-invariant.c (find_defs, find_invariant_insn, find_invariants, free_inv_motion_data): Likewise. * predict.c (tree_predict_by_opcode, estimate_bb_frequencies): Likewise. * stmt.c (expand_case): Likewise. * tree-cfg.c (tree_duplicate_sese_region): Likewise. * tree-dfa.c (mark_new_vars_to_rename): Likewise. * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise. * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free, get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa, rewrite_ssa_into_ssa): Likewise. * tree-optimize.c (tree_rest_of_compilation): Likewise. * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table, analyze_edges_for_bb, perform_edge_inserts): Likewise. * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise. * tree-sra.c (tree_sra): Likewise. * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise. * tree-ssa-ccp.c (ccp_fold_builtin): Likewise. * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise. * tree-ssa-dse.c (tree_ssa_dse): Likewise. * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var): Likewise. * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info, calculate_live_on_entry, calculate_live_on_exit, build_tree_conflict_graph): Likewise. * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use, record_important_candidates, set_use_iv_cost, find_depends, determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data, tree_ssa_iv_optimize_finalize): Likewise. * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit, find_uses_to_rename_use, rewrite_into_loop_closed_ssa, tree_duplicate_loop_to_header_edge): Likewise. * tree-ssa-pre.c (init_pre, fini_pre): Likewise. * tree-ssa.c (verify_flow_insensitive_alias_info, verify_name_tags, verify_ssa, init_tree_ssa, delete_tree_ssa): Likewise. * tree-ssanames.c (marked_ssa_names, init_ssanames, fini_ssanames): Likewise. * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95172 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (mark_def_sites_global_data): Make KILLSlaw2005-02-011-18/+18
| | | | | | | | | | | | | bitmap a sparse bitmap instead of a simple bitmap. (mark_def_sites_initialize_block): Corresponding changes. (ssa_mark_def_sites_initialize_block): Likewise. (ssa_mark_phi_uses): Likewise. (mark_def_site, ssa_mark_def_sites): Likewise. (mark_def_site_blocks): Likewise. (rewrite_ssa_into_ssa): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94519 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not registerlaw2005-01-271-14/+8
| | | | | | | | | | | definitions of SSA_NAMEs which are not being rewritten. (rewrite_ssa_into_ssa): Only initialize the current definition of an SSA_NAME if that SSA_NAME has been marked for rewriting. If checking is enabled, assert that SSA_NAME_AUX is clear for all SSA_NAMEs before returning. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94343 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (rewrite_ssa_into_ssa): Free SSA_NAME_AUXkazu2004-12-111-0/+5
| | | | | | | before we release an SSA_NAME. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92031 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (REWRITE_THIS_STMT): Define.dnovillo2004-12-101-13/+46
| | | | | | | | | | | | | | | | | | (mark_def_sites): Clear REWRITE_THIS_STMT for statements that don't need any operands rewritten. (rewrite_stmt): Ignore statements that don't need to be rewritten. (rewrite_operand): Validate that an existing SSA_NAME is identical to the current reaching definition of the operand. * tree-dfa.c (mark_call_clobbered_vars_to_rename): New function. * tree-vectorizer.c (vectorizable_load): Call it. * tree-flow.h (mark_call_clobbered_vars_to_rename): Declare. * tree-sra.c (mark_all_v_defs): Also mark VUSEs for renaming. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92010 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (insert_phi_nodes_for): Pass argumentdnovillo2004-11-291-12/+15
| | | | | | | | | | | | | WORK_STACK by reference. Call VEC_safe_push instead of VEC_quick_push. Update all users. testsuite/ChangeLog * gcc.c-torture/compile/pr18712.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91481 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-phinodes.c (add_phi_arg): Take "tree" instead ofkazu2004-11-251-2/+2
| | | | | | | | | | | | "tree *" as the first argument. * tree-flow.h: Update the prototype of add_phi_arg. * lambda-code.c, tree-cfg.c, tree-into-ssa.c, tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c, tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c, tree-vectorizer.c: Update all call sites of add_phi_arg. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91307 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree-into-ssa.c (DEF_VEC_MALLOC_P(basic_block)): Declare.dnovillo2004-11-231-21/+20
| | | | | | | | | | | | | (insert_phi_nodes_for): Change third argument to VEC(basic_block). * tree-ssa-dom.c (avail_exprs_stack): Change type to VEC(tree_on_heap). Update all users. (stmts_to_rescan): Likewise. (const_and_copies_stack): Likewise. (nonzero_vars_stack): Likewise. (vrp_variables_stack): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91122 138bc75d-0d04-0410-961f-82ee72b054a4