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tree-optimization/22310
2005-07-06 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/22319
Fix PR tree-optimization/22140
Fix PR tree-optimization/22310
* tree-ssa-structalias.c (do_structure_copy): Give up earlier on
variable sized types.
Use correct type for intermediate structure on *a = *b structure
copies.
From-SVN: r101658
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saying it points to readonly memory if we can't do better.
2005-07-04 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
Only fall back to saying it points to readonly memory if
we can't do better.
From-SVN: r101625
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From-SVN: r101609
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tree-ssa-structalias.c:2566)
2005-07-04 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/22279
* tree-ssa-structalias.c (offset_overlaps_with_access): Use
correct operator.
From-SVN: r101603
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tree-ssa-structalias.c:2506)
2005-06-29 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/22071
* tree-ssa-structalias.c (offset_overlaps_with_access): New
function.
(get_constraint_for_component_ref): Use it.
From-SVN: r101516
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2005-06-29 Daniel Berlin <dberlin@dberlin.org>
* 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.
From-SVN: r101480
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PR middle-end/22247
* tree-ssa-structalias.c (build_constraint_graph, scc_visit,
process_unification_queue, init_topo_info, topo_visit,
init_scc_info, free_scc_info, perform_var_substitution,
solve_graph): Use unsigned instead of uint.
From-SVN: r101475
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From-SVN: r101317
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2005-06-20 Daniel Berlin <dberlin@dberlin.org>
* c-typeck.c (build_function_call): Set fundecl = function again.
* tree-ssa-alias.c (find_used_portions): Address taking causes the
entire variable to be used.
* tree-ssa-structalias.c (do_structure_copy): Fix handling of
unknown size variables, and structure copies from addressof
operations. Simplify how we do *a = *b type structure copies.
(init_base_vars): Add ANYTHING = &ANYTHING constraint the right
way. READONLY's address is not taken by default.
INTEGER dereference should point to anything.
(create_variable_info_for): It's okay for the first field to not start
at 0.
From-SVN: r101227
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* tree-ssa-structalias.c (dump_solution_for_var): Reformat
output.
(dump_sa_points_to_info): Make extern.
(debug_sa_points_to_info): New.
* tree-ssa-structalias.h (TREE_SSA_STRUCTALIAS_H): Rename from
TREE_ALIAS_COMMON.
(dump_sa_points_to_info): Declare.
(debug_sa_points_to_info): Declare.
From-SVN: r100987
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* cgraphunit.c, tree-ssa-loop-ivopts.c,
tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h,
config/sparc/sparc.c: Fix comment typos.
From-SVN: r100856
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2005-06-11 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/22005
Fix PR tree-optimization/22025
* tree-ssa-structalias.c (struct variable_info): Add has_union
member.
(create_variable_info_for): Mark variables containing unions.
Don't sort the field stack if notokay is true.
(find_what_p_points_to): Convert variables containing unions back
to their SFT's if necessary.
From-SVN: r100851
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2005-06-08 Daniel Berlin <dberlin@dberlin.org>
* Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
* tree-flow.h (find_what_p_points_to): Add prototype.
(push_fields_onto_fieldstack): Ditto.
(sort_fieldstack): Ditto.
* tree-optimize.c (init_tree_optimization_passes): Add
pass_build_pta and pass_del_pta.
* tree-pass.h (pass_build_pta): New structure.
(pass_del_pta): Ditto.
* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
using new alias analyzer.
(push_fields_onto_fieldstack): Removed from here.
(bitpos_of_field): Ditto.
(fieldoff_compare): Ditto.
* tree-ssa-structalias.c: New file.
* tree-ssa-structalias.h: Ditto.
From-SVN: r100800
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