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diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7c7b7cf5745..38851471644 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,507 @@ +2009-04-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/13146 + PR tree-optimization/23940 + PR tree-optimization/33237 + PR middle-end/33974 + PR middle-end/34093 + PR tree-optimization/36201 + PR tree-optimization/36230 + PR tree-optimization/38049 + PR tree-optimization/38207 + PR tree-optimization/38230 + PR tree-optimization/38301 + PR tree-optimization/38585 + PR middle-end/38895 + PR tree-optimization/38985 + PR tree-optimization/39299 + * tree-ssa-structalias.h: Remove. + * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p. + (NULL_DEF_OPERAND_P): Make of type def_operand_p. + (struct vuse_element_d): Remove. + (struct vuse_vec_d): Likewise. + (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC, + VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR, + SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR, + VUSE_ELEMENT_VAR): Likewise. + (struct voptype_d): Likewise. + (NUM_VOP_FREE_BUCKETS): Likewise. + (struct ssa_operands): Remove vop_free_buckets and mpt_table fields. + (struct stmt_operands_d): Remove. + (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT, + VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP, + VDEF_NUM, VDEF_VECT): Likewise. + (copy_virtual_operands): Remove. + (operand_build_cmp): Likewise. + (create_ssa_artificial_load_stmt): Likewise. + (enum ssa_op_iter_type): Remove ssa_op_iter_vdef. + (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm + vuse_index and mayuse_index members. Pack and move done and iter_type + members to the front. + (SSA_OP_VMAYUSE): Remove. + (SSA_OP_VIRTUAL_USES): Adjust. + (FOR_EACH_SSA_VDEF_OPERAND): Remove. + (unlink_stmt_vdef): Declare. + (add_to_addressable_set): Remove. + * tree-vrp.c (stmt_interesting_for_vrp): Adjust. + (vrp_visit_stmt): Likewise. + * doc/tree-ssa.texi (Alias analysis): Update. + * doc/invoke.texi (max-aliased-vops): Remove docs. + (avg-aliased-vops): Likewise. + * tree-into-ssa.c (syms_to_rename): Remove. + (need_to_update_vops_p): Likewise. + (need_to_initialize_update_ssa_p): Rename to ... + (update_ssa_initialized_fn): ... this. Track function we are + initialized for. + (symbol_marked_for_renaming): Simplify. + (add_new_name_mapping): Do not set need_to_update_vops_p. + (dump_currdefs): Use SYMS_TO_RENAME. + (rewrite_update_stmt): Always walk all uses/defs. + (dump_update_ssa): Adjust. + (init_update_ssa): Take function argument. Track what we are + initialized for. + (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn. + (create_new_def_for): Initialize for cfun, assert we are initialized + for cfun. + (mark_sym_for_renaming): Simplify. + (mark_set_for_renaming): Do not initialize update-ssa. + (need_ssa_update_p): Simplify. Take function argument. + (name_mappings_registered_p): Assert we ask for the correct function. + (name_registered_for_update_p): Likewise. + (ssa_names_to_replace): Likewise. + (release_ssa_name_after_update_ssa): Likewise. + (update_ssa): Likewise. Use SYMS_TO_RENAME. + (dump_decl_set): Do not print a newline. + (debug_decl_set): Do it here. + (dump_update_ssa): And here. + * tree-ssa-loop-im.c (move_computations): Adjust. + (movement_possibility): Likewise. + (determine_max_movement): Likewise. + (gather_mem_refs_stmt): Likewise. + * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG + or NAME_MEMORY_TAG. + * tree-complex.c (update_all_vops): Remove. + (expand_complex_move): Adjust. + * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE. + Simplify test for memory referencing statement. Exclude + non-invariant ADDR_EXPRs. + * tree-pretty-print.c (dump_generic_node): Do not handle memory tags. + * tree-loop-distribution.c (generate_memset_zero): Adjust. + (rdg_flag_uses): Likewise. + * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag + related code. + (tree_optimize_tail_calls_1): Also split the + edge from the entry block if we have degenerate PHI nodes in + the first basic block. + * tree.c (init_ttree): Remove memory-tag related code. + (tree_code_size): Likewise. + (tree_node_structure): Likewise. + (build7_stat): Re-write to be build6_stat. + * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove. + (SSA_VAR_P): Adjust. + (struct tree_memory_tag): Remove. + (struct tree_memory_partition_tag): Likewise. + (union tree_node): Adjust. + (build7): Re-write to be build6. + * tree-pass.h (pass_reset_cc_flags): Remove. + (TODO_update_address_taken): New flag. + (pass_simple_dse): Remove. + * ipa-cp.c (ipcp_update_callgraph): Update SSA form. + * params.h (MAX_ALIASED_VOPS): Remove. + (AVG_ALIASED_VOPS): Likewise. + * omp-low.c (expand_omp_taskreg): Update SSA form. + * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs + aliases the lhs in a copy stmt. + * tree-ssa-dse.c (struct address_walk_data): Remove. + (memory_ssa_name_same): Likewise. + (memory_address_same): Likewise. + (get_kill_of_stmt_lhs): Likewise. + (dse_possible_dead_store_p): Simplify, use the oracle. Handle + unused stores. Look through PHI nodes into post-dominated regions. + (dse_optimize_stmt): Simplify. Properly remove stores. + (tree_ssa_dse): Compute dominators. + (execute_simple_dse): Remove. + (pass_simple_dse): Likewise. + * ipa-reference.c (scan_stmt_for_static_refs): Open-code + gimple_loaded_syms and gimple_stored_syms computation. + * toplev.c (dump_memory_report): Dump alias and pta stats. + * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify. + (vn_reference_eq): Likewise. + (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec, + copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt, + valueize_vuses): Remove. + (get_def_ref_stmt_vuses): Simplify. Rename to ... + (get_def_ref_stmt_vuse): ... this. + (vn_reference_lookup_2): New function. + (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for + walking equivalent vuses. Simplify. + (vn_reference_lookup): Likewise. + (vn_reference_insert): Likewise. + (vn_reference_insert_pieces): Likewise. + (visit_reference_op_call): Simplify. + (visit_reference_op_load): Likewise. + (visit_reference_op_store): Likewise. + (init_scc_vn): Remove shared_lookup_vuses initialization. + (free_scc_vn): Remove shared_lookup_vuses freeing. + (sort_vuses, sort_vuses_heap): Remove. + (get_ref_from_reference_ops): Export. + * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses + vector with single vuse pointer. + (vn_reference_lookup_pieces, vn_reference_lookup, + vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes. + (shared_vuses_from_stmt): Remove. + (get_ref_from_reference_ops): Declare. + * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust. + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove + memory-tag related code. + * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code. + (likely_value): Add comment, skip static-chain of call statements. + (surely_varying_stmt_p): Adjust. + (gimplify_and_update_call_from_tree): Likewise. + (execute_fold_all_builtins): Do not rebuild alias info. + (gimplify_and_update_call_from_tree): Properly update VOPs. + * tree-ssa-loop-ivopts.c (get_ref_tag): Remove. + (copy_ref_info): Remove memory-tag related code. + * tree-call-cdce.c (tree_call_cdce): Rename the VOP. + * ipa-pure-const.c (check_decl): Remove memory-tag related code. + (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms + computation. + * tree-ssa-dom.c (gimple_p): Remove typedef. + (eliminate_redundant_computations): Adjust. + (record_equivalences_from_stmt): Likewise. + (avail_expr_hash): Likewise. + (avail_expr_eq): Likewise. + * tree-ssa-propagate.c (update_call_from_tree): Properly + update VOPs. + (stmt_makes_single_load): Likewise. + (stmt_makes_single_store): Likewise. + * tree-ssa-alias.c: Rewrite completely. + (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats, + debug_mem_sym_stats, dump_mem_sym_stats_for_var, + debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt, + delete_mem_ref_stats, create_tag_raw, dump_points_to_info, + dump_may_aliases_for, debug_may_aliases_for, new_type_alias): + Remove public functions. + (pass_reset_cc_flags): Remove. + (pass_build_alias): Move ... + * tree-ssa-structalias.c (pass_build_alias): ... here. + * tree-ssa-alias.c (may_be_aliased): Move ... + * tree-flow-inline.h (may_be_aliased): ... here. + tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs, + count_uses_and_derefs): Move ... + * gimple.c: ... here. + * gimple.h (count_uses_and_derefs): Declare. + * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p, + ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p, + same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p, + indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p, + ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p, + call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until, + get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs): + New functions. + * tree-dfa.c (refs_may_alias_p): Move ... + * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend. + * tree-ssa-alias.h: New file. + * tree-ssa-sink.c (is_hidden_global_store): Adjust. + (statement_sink_location): Likewise. + * opts.c (decode_options): Do not adjust max-aliased-vops or + avg-aliased-vops values. + * timevar.def (TV_TREE_MAY_ALIAS): Remove. + (TV_CALL_CLOBBER): Likewise. + (TV_FLOW_SENSITIVE): Likewise. + (TV_FLOW_INSENSITIVE): Likewise. + (TV_MEMORY_PARTITIONING): Likewise. + (TV_ALIAS_STMT_WALK): New timevar. + * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust. + * tree-ssa-address.c (create_mem_ref_raw): Use build6. + (get_address_description): Remove memory-tag related code. + * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust. + * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove. + * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs + and immediate uses in statements. Document. + * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust. + (dump_symbols): Remove. + (dump_gimple_mem_ops): Do not dump loaded or stored syms. + * alias.c (get_deref_alias_set): New function split out from ... + (get_alias_set): ... here. + * alias.h (get_deref_alias_set): Declare. + * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused + type parameter. Remove restrict pointer handling. Create a + ref-all pointer in case type-based alias sets do not conflict. + (vect_analyze_data_refs): Remove SMT related code. + * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert. + (vectorizable_load): Likewise. + * tree-data-ref.h (struct dr_alias): Remove symbol_tag field. + (DR_SYMBOL_TAG, DR_VOPS): Remove. + * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle. + Ignore vops and SMTs. + (dr_analyze_alias): Likewise.. + (free_data_ref): Likewise. + (create_data_ref): Likewise. + (analyze_all_data_dependences): Likewise. + (get_references_in_stmt): Adjust. + * tree-flow-inline.h (gimple_aliases_computed_p, + gimple_addressable_vars, gimple_call_clobbered_vars, + gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition, + factoring_name_p, mark_call_clobbered, clear_call_clobbered, + compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag, + gimple_mem_ref_stats): Remove. + (gimple_vop): New function. + (op_iter_next_use): Remove vuses and mayuses cases. + (op_iter_next_def): Remove vdefs case. + (op_iter_next_tree): Remove vuses, mayuses and vdefs cases. + (clear_and_done_ssa_iter): Do not set removed fields. + (op_iter_init): Likewise. Skip vuse and/or vdef if requested. + Assert we are not iterating over vuses or vdefs if not also + iterating over uses or defs. + (op_iter_init_use): Likewise. + (op_iter_init_def): Likewise. + (op_iter_next_vdef): Remove. + (op_iter_next_mustdef): Likewise. + (op_iter_init_vdef): Likewise. + (compare_ssa_operands_equal): Likewise. + (link_use_stmts_after): Handle vuse operand. + (is_call_used): Use is_call_clobbered. + (is_call_clobbered): Global variables are always call clobbered, + query the call-clobbers bitmap. + (mark_call_clobbered): Ignore global variables. + (clear_call_clobbered): Likewise. + * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust + virtual operands sanity check. + * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG): + Remove. + (TARGET_MEM_REF): Remove TMR_TAG operand. + * tree-dfa.c (add_referenced_var): Initialize call-clobber state. + Remove call-clobber related code. + (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag. + (dump_variable): Do not dump SMTs, memory stats, may-aliases or + partitions or escape reason. + (get_single_def_stmt, get_single_def_stmt_from_phi, + get_single_def_stmt_with_phi): Remove. + (dump_referenced_vars): Tidy. + (get_ref_base_and_extent): Allow bare decls. + (collect_dfa_stats): Adjust. + * graphite.c (rename_variables_in_stmt): Adjust. + (graphite_copy_stmts_from_block): Likewise. + (translate_clast): Likewise. + * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap. + (EXPR_DIES): New. + (translate_vuse_through_block): Use the oracle. + (phi_translate_1): Adjust. + (value_dies_in_block_x): Use the oracle. Cache the outcome + in EXPR_DIES. + (valid_in_sets): Check if the VUSE for + a REFERENCE is available. + (eliminate): Do not remove stmts during elimination, + instead queue and remove them afterwards. + (do_pre): Do not rebuild alias info. + (pass_pre): Run TODO_rebuild_alias before PRE. + * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code. + * tree-sra.c (sra_walk_function): Use gimple_references_memory_p. + (mark_all_v_defs_stmt): Remove. + (mark_all_v_defs_seq): Adjust. + (sra_replace): Likewise. + (scalarize_use): Likewise. + (scalarize_copy): Likewise. + (scalarize_init): Likewise. + (scalarize_ldst): Likewise. + (todoflags): Remove. + (tree_sra): Do not rebuild alias info. + (tree_sra_early): Adjust. + (pass_sra): Run TODO_update_address_taken before SRA. + * tree-predcom.c (set_alias_info): Remove. + (prepare_initializers_chain): Do not call it. + (mark_virtual_ops_for_renaming): Adjust. + (mark_virtual_ops_for_renaming_list): Remove. + (initialize_root_vars): Adjust. + (initialize_root_vars_lm): Likewise. + (prepare_initializers_chain): Likewise. + * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code. + (may_propagate_copy_into_stmt): Likewise. + (merge_alias_info): Do nothing for now. + (propagate_tree_value_into_stmt): Adjust. + (stmt_may_generate_copy): Likewise. + * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do + not mark symbols for renaming. + (forward_propagate_addr_expr): Match up push/pop_stmt_changes + with the same statement, make sure to update the new pointed-to one. + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy + call statements, do not mark symbols for renaming. + (mark_operand_necessary): Dump something. + (ref_may_be_aliased): New function. + (mark_aliased_reaching_defs_necessary_1): New helper function. + (mark_aliased_reaching_defs_necessary): Likewise. + (mark_all_reaching_defs_necessary_1): Likewise. + (mark_all_reaching_defs_necessary): Likewise. + (propagate_necessity): Do not process virtual PHIs. For + non-aliased loads mark all reaching definitions as necessary. + For aliased loads and stores mark the immediate dominating + aliased clobbers as necessary. + (visited): New global static. + (perform_tree_ssa_dce): Free visited bitmap after propagating + necessity. + (remove_dead_phis): Perform simple dead virtual PHI removal. + (remove_dead_stmt): Properly unlink virtual operands when + removing stores. + (eliminate_unnecessary_stmts): Schedule PHI removal after + stmt removal. + * tree-ssa-ter.c (is_replaceable_p): Adjust. + (process_replaceable): Likewise. + (find_replaceable_in_bb): Likewise. + * tree-ssa.c (verify_ssa_name): Verify all VOPs are + based on the single gimple vop. + (verify_flow_insensitive_alias_info): Remove. + (verify_flow_sensitive_alias_info): Likewise. + (verify_call_clobbering): Likewise. + (verify_memory_partitions): Likewise. + (verify_alias_info): Likewise. + (verify_ssa): Adjust.. + (execute_update_addresses_taken): Export. Update SSA + manually. Optimize only when optimizing. Use a local bitmap. + (pass_update_address_taken): Remove TODO_update_ssa, add + TODO_dump_func. + (pass_update_address_taken): Just use TODO_update_address_taken. + (init_tree_ssa): Do not initialize addressable_vars. + (verify_ssa): Verify new VUSE / VDEF properties. + Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT. + Do not call verify_alias_info. + (delete_tree_ssa): Clear the VUSE, VDEF operands. + Do not free the loaded and stored syms bitmaps. Reset the escaped + and callused solutions. Do not free addressable_vars. + Remove memory-tag related code. + (warn_uninitialized_var): Aliases are always available. + * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust. + * lambda-code.c (can_put_in_inner_loop): Adjust. + (can_put_after_inner_loop): Likewise. + (perfect_nestify): Likewise. + * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust. + (vect_gen_widened_results_half): Remove CALL_EXPR handling. + (vectorizable_conversion): Do not mark symbols for renaming. + * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF. + (expand_call_inline): Unlink the calls virtual operands before + replacing it. + (tree_function_versioning): Do not call update_ssa if we are not + updating clones. Simplify. + * tree-ssa-phiprop.c (phivn_valid_p): Adjust. + (propagate_with_phi): Likewise.. + * tree-outof-ssa.c (create_temp): Remove memory tag and call + clobber code. Assert we are not aliased or global. + * tree-flow.h: Include tree-ssa-alias.h + (enum escape_type): Remove. + (struct mem_sym_stats_d): Likewise. + (struct mem_ref_stats_d): Likewise. + (struct gimple_df): Add vop member. Remove global_var, + call_clobbered_vars, call_used_vars, addressable_vars, + aliases_compted_p and mem_ref_stats members. Add syms_to_rename, + escaped and callused members. + (struct ptr_info_def): Remove all members, add points-to solution + member pt. + (struct var_ann_d): Remove in_vuse_list, in_vdef_list, + call_clobbered, escape_mask, mpt and symbol_mem_tag members. + * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h. + (tree-ssa-structalias.o): Remove tree-ssa-structalias.h. + (tree-ssa-alias.o): Likewise. + (toplev.o): Add tree-ssa-alias.h + (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h. + * gimple.c (gimple_set_bb): Fix off-by-one error. + (is_gimple_reg): Do not handle memory tags. + (gimple_copy): Also copy virtual operands. + Delay updating the statement. Do not reset loaded and stored syms. + (gimple_set_stored_syms): Remove. + (gimple_set_loaded_syms): Likewise. + (gimple_call_copy_skip_args): Copy the virtual operands + and mark the new statement modified. + * tree-ssa-structalias.c (may_alias_p): Remove. + (set_uids_in_ptset): Take the alias set to prune with as + parameter. Fold in the alias test of may_alias_p. + (compute_points_to_sets): Compute whether a ptr is dereferenced + in a local sbitmap. + (process_constraint): Deal with &ANYTHING on the lhs, reject all + other ADDRESSOF constraints on the lhs. + (get_constraint_for_component_ref): Assert that we don't get + ADDRESSOF constraints from the base of the reference. + Properly generate UNKNOWN_OFFSET for DEREF if needed. + (struct variable_info): Remove collapsed_to member. + (get_varinfo_fc): Remove. + (new_var_info): Do not set collapsed_to. + (dump_constraint): Do not follow cycles. + (dump_constraint_graph): Likewise. + (build_pred_graph): Likewise. + (build_succ_graph): Likewise. + (rewrite_constraints): Likewise. + (do_simple_structure_copy): Remove. + (do_rhs_deref_structure_copy): Remove. + (do_lhs_deref_structure_copy): Remove. + (collapse_rest_of_var): Remove. + (do_structure_copy): Re-implement. + (pta_stats): New global variable. + (dump_pta_stats): New function. + (struct constraint_expr): Make offset signed. + (UNKNOWN_OFFSET): Define special value. + (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN. + (solution_set_expand): New helper function split out from ... + (do_sd_constraint): ... here. + (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets. + (do_ds_constraint): Likewise. + (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED + and CALLUSED = *CALLUSED. + (set_union_with_increment): Make inc argument signed. + (type_safe): Remove. + (get_constraint_for_ptr_offset): Handle unknown and negative + constant offsets. + (first_vi_for_offset): Handle offsets before start. Bail + out early for offsets beyond the variable extent. + (first_or_preceding_vi_for_offset): New function. + (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint. + Together with ESCAPED = *ESCAPED this properly computes reachability. + (find_what_var_points_to): New function. + (find_what_p_points_to): Implement in terms of find_what_var_points_to. + (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global, + pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1, + pt_solutions_intersect): New functions. + (compute_call_used_vars): Remove. + (compute_may_aliases): New main entry into PTA computation. + * gimple.h (gimple_p): New typedef. + (struct gimple_statement_base): Remove references_memory_p. + (struct gimple_statement_with_memory_ops_base): Remove + vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse + members. + (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops, + gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms, + gimple_set_references_memory): Remove. + (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef, + gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef): + New functions. + * tree-cfg.c (move_block_to_fn): Fix off-by-one error. + (verify_expr): Allow RESULT_DECL. + (gimple_duplicate_bb): Do not copy virtual operands. + (gimple_duplicate_sese_region): Adjust. + (gimple_duplicate_sese_tail): Likewise. + (mark_virtual_ops_in_region): Remove. + (move_sese_region_to_fn): Do not call it. + * passes.c (init_optimization_passes): Remove pass_reset_cc_flags + and pass_simple_dse. + (execute_function_todo): Handle TODO_update_address_taken, + call execute_update_addresses_taken for TODO_rebuild_alias. + (execute_todo): Adjust. + (execute_one_pass): Init dump files early. + * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars + call-clobbered. + (create_general_new_stmt): Clear vops. + * tree-ssa-reassoc.c (get_rank): Adjust. + * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark + symbols for renaming. + * params.def (PARAM_MAX_ALIASED_VOPS): Remove. + (PARAM_AVG_ALIASED_VOPS): Likewise. + * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME. + (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps. + * tree-ssa-operands.c: Simplify for new virtual operand + representation. + (operand_build_cmp, copy_virtual_operands, + create_ssa_artificial_load_stmt, add_to_addressable_set, + gimple_add_to_addresses_taken): Remove public functions. + (unlink_stmt_vdef): New function. + 2009-04-03 Alan Modra <amodra@bigpond.net.au> * config.gcc (powerpc-*-linux*): Merge variants. |