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2008-12-09re PR tree-optimization/38445 (ICE in tree-ssa-struct-alias when compiling ↵Richard Guenther1-4/+11
grub-0.97) 2008-12-09 Richard Guenther <rguenther@suse.de> PR tree-optimization/38445 * tree-ssa-structalias.c (emit_pointer_definition): Only visit names once. (emit_alias_warning): Adjust. From-SVN: r142590
2008-12-04re PR middle-end/36509 (gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c)Richard Guenther1-9/+108
2008-12-04 Richard Guenther <rguenther@suse.de> PR middle-end/36509 PR c++/38334 * Makefile.in (tree-ssa-alias-warnings.o): Remove. (tree-ssa-structalias.o): Remove errors.h dependency. (tree-ssa-reassoc.o): Likewise. * tree-ssa-reassoc.c: Do not include errors.h. * tree-ssa-alias-warnings.c: Remove. * tree-ssa-alias.c (compute_may_aliases): Remove call to strict_aliasing_warning_backend. * tree-ssa-structalias.c (emit_pointer_definition): New function. (emit_alias_warning): Likewise. (set_uids_in_ptset): Warn for clear cases of type-punning. * tree-inline.c (remap_gimple_op_r): Preserve TREE_NO_WARNING on INDIRECT_REFs. cp/ * typeck.c (get_member_function_from_ptrfunc): Mark the vtbl pointer access with TREE_NO_WARNING. * gcc.dg/Wstrict-aliasing-float-ptr-int-obj.c: Adjust, remove XFAIL. * gcc.dg/Wstrict-aliasing-converted-assigned.c: Adjust. * g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C: Likewise. From-SVN: r142437
2008-11-27tree-ssa-structalias.c (intra_create_variable_infos): Make a constraint for ↵Richard Guenther1-0/+9
the static chain parameter. 2008-11-27 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (intra_create_variable_infos): Make a constraint for the static chain parameter. From-SVN: r142242
2008-11-26re PR tree-optimization/37869 (PTA results wrong for "non-pointer" variables)Daniel Berlin1-34/+2
2008-11-25 Daniel Berlin <dberlin@dberlin.org> Richard Guenther <rguenther@suse.de> PR tree-optimization/37869 * tree-ssa-structalias.c (struct constraint_graph): Remove pt_used and number_incoming members. (build_pred_graph): Do not allocate them. (condense_visit): Do not use them. (label_visit): Likewise. (free_var_substitution_info): Do not free them. Co-Authored-By: Richard Guenther <rguenther@suse.de> From-SVN: r142213
2008-10-22tree.def (COMPLEX_TYPE): Constrain element type.Richard Guenther1-2/+1
2008-10-22 Richard Guenther <rguenther@suse.de> * tree.def (COMPLEX_TYPE): Constrain element type. * tree.c (build_complex_type): Assert that. * tree-ssa-structalias.c (could_have_pointers): Complex types cannot have pointers. From-SVN: r141299
2008-08-29tree-ssa-structalias.c (create_variable_info_for): Do not create fields for ↵Richard Guenther1-2/+12
heap vars or vars with a noalias state. 2008-08-29 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (create_variable_info_for): Do not create fields for heap vars or vars with a noalias state. For NO_ALIAS_ANYTHING variables add a self-constraint, not one from ESCAPED. * gfortran.fortran-torture/compile/20080806-1.f90: New testcase. From-SVN: r139765
2008-08-29re PR middle-end/37236 (ICE: in mark_operand_necessary, at tree-ssa-dce.c:242)Richard Guenther1-0/+1
2008-08-29 Richard Guenther <rguenther@suse.de> PR middle-end/37236 * tree-ssa-structalias.c (intra_create_variable_infos): Mark PARAM_NOALIAS tags with is_heapvar. * tree-ssa-operands.c (access_can_touch_variable): Offset based tests do not apply for heapvars. Fix offset test. * gfortran.fortran-torture/compile/pr37236.f: New testcase. From-SVN: r139763
2008-08-18tree.h (IS_CONVERT_EXPR_CODE_P): Renamed toTomas Bily1-2/+2
* tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to * CONVERT_EXPR_CODE_P. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use CONVERT_EXPR_P. * tree-data-ref.c (split_constant_offset_1): Likewise. * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT. * tree-sra.c (sra_walk_expr): Likewise. * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise. * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P. * tree-ssa-structalias.c (find_func_aliases, find_func_aliases): * Likewise. * gimple.c (gimple_assign_unary_nop_p): Likewise. * tree-vect-transform.c (vectorizable_type_demotion) (vectorizable_type_promotion): Likewise. * tree-inline.c (expand_call_inline): * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) (forward_propagate_addr_expr_1, forward_propagate_comparison) (tree_ssa_forward_propagate_single_use_vars): Likewise. * expr.c (expand_expr_real_1): Likewise. * tree-ssa-dom.c (hashable_expr_equal_p, * iterative_hash_hashable_expr) (gimple_assign_unary_useless_conversion_p): Likewise. * tree-stdarg.c (execute_optimize_stdarg): Likewise. * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise. * fold-const.c (fold_unary): Likewise. * tree.h (CONVERT_EXPR_P): Likewise. * tree.c (simple_cst_equal, iterative_hash_expr): Likewise. * tree-ssa-loop-im.c (rewrite_bittest): Likewise. * tree-vrp.c: (register_edge_assert_for_2, extract_range_from_unary_expr) (register_edge_assert_for_1): Likewise. * cp/tree.c (cp_tree_equal): Likewise. From-SVN: r139204
2008-08-06builtins.c (expand_builtin_profile_func): Avoid C++ keywords.Kaveh R. Ghazi1-3/+3
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords. * calls.c (avoid_likely_spilled_reg): Likewise. * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise. * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise. * config/i386/i386.c (ix86_expand_special_args_builtin, ix86_secondary_reload): Likewise. * except.c (struct eh_region, gen_eh_region_catch, remove_unreachable_regions, duplicate_eh_regions, assign_filter_values, build_post_landing_pads, sjlj_find_directly_reachable_regions, remove_eh_handler, reachable_next_level, foreach_reachable_handler, can_throw_internal_1, can_throw_external_1, collect_one_action_chain): Likewise. * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise. * fold-const.c (twoval_comparison_p, eval_subst): Likewise. * function.c (update_temp_slot_address, instantiate_new_reg, instantiate_virtual_regs_in_rtx, instantiate_virtual_regs_in_insn): Likewise. * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise. * gimplify.c (gimplify_call_expr, gimplify_init_constructor, gimplify_cleanup_point_expr): Likewise. * ipa-cp.c (ipcp_lattice_changed): Likewise. * passes.c (next_pass_1): Likewise. * print-tree.c (print_node_brief, print_node): Likewise. * profile.c (branch_prob): Likewise. * tree-dump.c (dump_register): Likewise. * tree-eh.c (replace_goto_queue_cond_clause, lower_catch): Likewise. * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks, copy_statement_list, remap_gimple_op_r, copy_tree_body_r, copy_edges_for_bb, copy_cfg_body, copy_tree_r, copy_arguments_for_versioning, copy_static_chain): Likewise. * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl, add_new_name_mapping, register_new_name_mapping): Likewise. * tree-mudflap.c (mf_xform_derefs): Likewise. * tree-predcom.c (struct chain, dump_chain, replace_ref_with, get_init_expr, combine_chains): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-structalias.c (create_variable_info_for): Likewise. * tree-vrp.c (simplify_cond_using_ranges): Likewise. * tree.c (substitute_in_expr, iterative_hash_expr): Likewise. * value-prof.c (gimple_duplicate_stmt_histograms): Likewise. From-SVN: r138809
2008-07-28tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.Richard Guenther1-28/+5
2008-07-28 Richard Guenther <rguenther@suse.de> * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code. (insert_fake_stores): Remove. (realify_fake_stores): Likewise. (execute_pre): Remove dead code. * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case. (find_func_aliases): Deal with it here instead. Re-enable gcc_unreachable call. From-SVN: r138213
2008-07-28backport: ChangeLog.tuples: ChangeLog from gimple-tuples-branch.Richard Biener1-200/+157
2008-07-28 Richard Guenther <rguenther@suse.de> Merge from gimple-tuples-branch. * ChangeLog.tuples: ChangeLog from gimple-tuples-branch. * gimple.def: New file. * gsstruct.def: Likewise. * gimple-iterator.c: Likewise. * gimple-pretty-print.c: Likewise. * tree-gimple.c: Removed. Merged into ... * gimple.c: ... here. New file. * tree-gimple.h: Removed. Merged into ... * gimple.h: ... here. New file. * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h. * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the --enable-checking=gimple flag. * config.in: Likewise. * configure: Regenerated. * tree-ssa-operands.h: Tuplified. * tree-vrp.c: Likewise. * tree-loop-linear.c: Likewise. * tree-into-ssa.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-dump.c: Likewise. * tree-complex.c: Likewise. * cgraphbuild.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-pretty-print.c: Likewise. * tracer.c: Likewise. * gengtype.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * tree-ssa-loop-manip.c: Likewise. * value-prof.c: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-tailcall.c: Likewise. * value-prof.h: Likewise. * tree.c: Likewise. * tree.h: Likewise. * tree-pass.h: Likewise. * ipa-cp.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-scalar-evolution.h: Likewise. * target.h: Likewise. * lambda-mat.c: Likewise. * tree-phinodes.c: Likewise. * diagnostic.h: Likewise. * builtins.c: Likewise. * tree-ssa-alias-warnings.c: Likewise. * cfghooks.c: Likewise. * fold-const.c: Likewise. * cfghooks.h: Likewise. * omp-low.c: Likewise. * tree-ssa-dse.c: Likewise. * ipa-reference.c: Likewise. * tree-ssa-uncprop.c: Likewise. * toplev.c: Likewise. * tree-gimple.c: Likewise. * tree-gimple.h: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sccvn.h: Likewise. * cgraphunit.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-nomudflap.c: Likewise. * tree-call-cdce.c: Likewise. * ipa-pure-const.c: Likewise. * c-format.c: Likewise. * tree-stdarg.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-nrv.c: Likewise. * tree-ssa-propagate.c: Likewise. * ipa-utils.c: Likewise. * tree-ssa-propagate.h: Likewise. * tree-ssa-alias.c: Likewise. * gimple-low.c: Likewise. * tree-ssa-sink.c: Likewise. * ipa-inline.c: Likewise. * c-semantics.c: Likewise. * dwarf2out.c: Likewise. * expr.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * predict.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-parloops.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * matrix-reorg.c: Likewise. * c-decl.c: Likewise. * tree-eh.c: Likewise. * c-pretty-print.c: Likewise. * lambda-trans.c: Likewise. * function.c: Likewise. * langhooks.c: Likewise. * ebitmap.h: Likewise. * tree-vectorizer.c: Likewise. * function.h: Likewise. * langhooks.h: Likewise. * tree-vectorizer.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * domwalk.c: Likewise. * tree-if-conv.c: Likewise. * profile.c: Likewise. * domwalk.h: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-flow-inline.h: Likewise. * tree-affine.c: Likewise. * tree-vect-analyze.c: Likewise. * c-typeck.c: Likewise. * gimplify.c: Likewise. * coretypes.h: Likewise. * tree-ssa-phiopt.c: Likewise. * calls.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree.def: Likewise. * tree-dfa.c: Likewise. * except.c: Likewise. * except.h: Likewise. * cfgexpand.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-live.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-live.h: Likewise. * tree-predcom.c: Likewise. * lambda.h: Likewise. * tree-mudflap.c: Likewise. * ipa-prop.c: Likewise. * print-tree.c: Likewise. * tree-ssa-copy.c: Likewise. * ipa-prop.h: Likewise. * tree-ssa-forwprop.c: Likewise. * ggc-page.c: Likewise. * c-omp.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-nested.c: Likewise. * tree-ssa.c: Likewise. * lambda-code.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-inline.c: Likewise. * tree-inline.h: Likewise. * tree-iterator.c: Likewise. * tree-optimize.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-vect-transform.c: Likewise. * tree-object-size.c: Likewise. * tree-outof-ssa.c: Likewise. * cfgloop.c: Likewise. * system.h: Likewise. * tree-profile.c: Likewise. * cfgloop.h: Likewise. * c-gimplify.c: Likewise. * c-common.c: Likewise. * tree-vect-generic.c: Likewise. * tree-flow.h: Likewise. * c-common.h: Likewise. * basic-block.h: Likewise. * tree-ssa-structalias.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-ssa-structalias.h: Likewise. * tree-cfg.c: Likewise. * passes.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * tree-ssa-reassoc.c: Likewise. * cfgrtl.c: Likewise. * varpool.c: Likewise. * stmt.c: Likewise. * tree-ssanames.c: Likewise. * tree-ssa-threadedge.c: Likewise. * langhooks-def.h: Likewise. * tree-ssa-operands.c: Likewise. * config/alpha/alpha.c: Likewise. * config/frv/frv.c: Likewise. * config/s390/s390.c: Likewise. * config/m32c/m32c.c: Likewise. * config/m32c/m32c-protos.h: Likewise. * config/spu/spu.c: Likewise. * config/sparc/sparc.c: Likewise. * config/i386/i386.c: Likewise. * config/sh/sh.c: Likewise. * config/xtensa/xtensa.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/ia64/ia64.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/pa/pa.c: Likewise. * config/mips/mips.c: Likewise. From-SVN: r138207
2008-07-25cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.Jan Hubicka1-2/+1
* cgraphbuild.c (record_reference): Drop non-unit-at-a-time code. (build_cgraph_edges): Likewise. * cgraph.c (cgraph_node): Do not update assembler hash. (cgraph_remove_node): Drop non-unit-at-a-time code. * tree-pass.h (pass_O0_always_inline): Remove. * ipa-reference.c (gate_reference): Remove unit-at-a-time check. * toplev.c (process_options): Flag unit-at-a-time does not imply no section anchors. * cgraphunit.c: Update comments. (decide_is_function_needed): Drop non-unit-at-a-time mode. (cgraph_assemble_pending_functions): Remove. (cgraph_reset_node): Drop non-unit-at-a-time code. (cgraph_finalize_function): Likewise. (cgraph_analyze_function): Likewise. (cgraph_finalize_compilation_unit): Likewise. (cgraph_expand_function): Likewise. (cgraph_optimize): Likesise. (save_inline_function_body): Likewise. * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check. * tree-ssa-alias.c (maybe_be_aliased): Likewise. * ipa-inline.c: Update comments. (enum inlining_mode): remove INLINE_SPEED. (cgraph_clone_inlined_nodes): Drop unit-at-a-time check. (cgraph_mark_inline_edge): Likewise. (try_inline): Likewise. (cgraph_decide_inlining_incrementally): Likewise. (cgraph_gate_inlining): Remove. (cgraph_early_inlining): Remove flag_unit_at_a_time checks. (cgraph_gate_early_inlining): Likewise. (gate_inline_passes): Remove. (pass_inline_parameters, pass_ipa_inline): Remove gates. (cgraph_gate_O0_always_inline, cgraph_O0_always_inline, pass_O0_always_inline): Remove. * c-pch.c (c_pch_matching): Remove -funit-at-a-time. * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check. * opts.c (no_unit_at_a_time_default): Remove. (decode_options): Remove flag_unit_at_a_time reset and warning. * opts.h (no_unit_at_a_time_default): Remove. * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword early in GNU dialect. (merge_decls): Update comment; drop unit-at-a-time check. (finish_decl): Likewise. (grok_declaration): Remove flag_inline_trees code. (finish_functions): Return on function returning non-void on all statics. * ipa-tye-escape.c (gate_type_escape_vars): Remove. * cfgexpand.c (expand_one_static_var): Remove. (expand_one_var): Remove expand_one_static_var call. (expand_used_vars_for_block): Remove flag_unit_a_time check. * c-opts.c (c_common_post_options): Remove flag_inline_trees code and flag_unit_at_a-time compatibility checks. * varasm.c (assemble_alias): Remove flag_unit_at_a_time check. * tree-inline.c (flag_inline_trees): Remove. (inlinable_function_p): Don't check it. (expand_call_inline): Remove non-unit-at-a-time code. * tree-inline.h (flag_inline_trees): Remove. * tree-optimize.c (execute_early_local_optimizations): Remove unit-at-a-time checks. (tree_rest_of_compilation): Likewise. * combine.c (setup_incoming_promotions): Likewise. * tree-profile.c (tree_gen_ic_func_profiler): Likewise. * tree-ssa-structalias.c (delete_points_to_sets): Likewise. * passes.c (pass_inline_parameters): Update comments; remove O0_alwaysinline pass. (execute_one_ipa_transform_pass): Do not reset in_gimple_form. (execute_one_pass): Likewise. * i386.c (ix86_function_regparm): Remove unit-at-a-time check. (ix86_function_sseregparm): Likewise. * arm.c (arm_function_in_section_p): Likewise. * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise. * varpool.c: Update comments. (decide_is_variable_needed): Remove unit-at-a-time checks. (varpool_finalize_decl): Likewise. * ada/utils.c (end_subprog_body): Remove inline trees check. * ada/misc.c (gnat_post_options): Do not set flag_inline_trees. * fortran/options.c (gfc_post_options): Remove flag_unline_trees code. * gcc.dg/winline-4.c: Remove. * gcc.dg/pch/valid-3.hs: Remove. * gcc.dg/pch/valid-3.c: Remove. * g++.old-deja/g++.brendan/crash52.C: Accept returning void warning * g++.old-deja/g++.jason/report.C: Likewise. * testsuite/g++.dg/warn/pr23075.C: We get returning void warning instead of control flow warning. * cp/decl.c (duplicate_decls): Update comment and unit-at-a-time. (grogfndecl): Drop flag_inline_trees code. * cp/pt.c (instantiate_decl): Drop flag_iline_trees code. * cp/lex.c (cxx_init): Do not set unit-at-a-time. * java/decl.c: Include cgraph.h (end_java_method): Remove non-unit-at-a-time code. (java_mark_decl_local): Likewise; sanity check that we don't touch finalized nodes. From-SVN: r138140
2008-07-07tree-ssa-structalias.c (compute_points_to_sets): Add call to ↵Fernando Pereira1-0/+94
dump_constraint_graph. 2008-07-07 Fernando Pereira <fernando@cs.ucla.edu> * tree-ssa-structalias.c (compute_points_to_sets): Add call to dump_constraint_graph. (dump_constraint_edge): New function. (dump_constraint_graph): New function. (debug_constraint_graph): New function. (dump_constraint): Removed useless comparison. * tree-ssa-structalias.h (dump_constraint_edge): Declare. (dump_constraint_graph): Declare. (debug_constraint_graph): Declare. * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH. From-SVN: r137597
2008-07-07tree-ssa-structalias.h (set_used_smts): Remove.Richard Guenther1-55/+0
2008-07-07 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.h (set_used_smts): Remove. * tree-ssa-structalias.c (used_smts): Likewise. (set_used_smts): Likewise. * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove call to set_used_smts. From-SVN: r137574
2008-07-07tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.Richard Guenther1-233/+229
2008-07-07 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag. (new_var_info): Set it to false. (solution_set_add): Correctly handle pointers outside a var and inside a field. (type_safe): Treat variables with is_full_var properly. (do_sd_constraint): Likewise. (do_ds_constraint): Likewise. (process_constraint): Remove zeroing offset for !use_field_sensitive. (get_constraint_for_ptr_offset): New function. (get_constraint_for_component_ref): For addresses at least include the last field of the variable. Handle is_full_vars properly. (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR. (handle_ptr_arith): Remove. (find_func_aliases): Simplify assignment handling. (create_function_info_for): For parameter and result varinfos set is_full_var flag. (create_variable_info_for): Set is_full_var flag whenever we just created a single varinfo for a decl. (init_alias_vars): Initialize use_field_sensitive from max-fields-for-field-sensitive parameter. * gcc.dg/torture/pta-ptrarith-1.c: New testcase. * gcc.dg/torture/pta-ptrarith-2.c: Likewise. * gcc.dg/torture/ipa-pta-1.c: Likewise. From-SVN: r137573
2008-07-06tree-ssa-structalias.c (struct variable_info): Remove has_union.Richard Guenther1-75/+64
2008-07-06 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (struct variable_info): Remove has_union. (new_var_info): Deal with it. (solution_set_add): Likewise. (bitpos_of_field): Make signed, fix. (struct fieldoff): Remove type and decl fields. Make size field unsigned HOST_WIDE_INT. Add has_unknown_size and may_have_pointers flags. (fieldoff_compare): Deal with it. (push_fields_onto_fieldstack): Remove has_union argument, glob adjacent non-pointer fields together. (create_function_info_for): Do not set has_union. (create_variable_info_for): Simplify. * gcc.dg/tree-ssa/pta-callused.c: Adjust testcase. From-SVN: r137530
2008-07-04tree-ssa-structalias.c (lookup_vi_for_tree): Declare.Richard Guenther1-0/+42
2008-07-04 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (lookup_vi_for_tree): Declare. (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED properly to compute the reachability set if we do field-sensitive PTA. * invoke.texi (max-fields-for-field-sensitive): Document default. * opts.c (decode_options): Set max-fields-for-field-sensitive to 100 for optimize >= 2. * gcc.dg/tree-ssa/pta-callused.c: New testcase. From-SVN: r137453
2008-07-02tree-ssa-structalias.c (struct variable_info): Reorder to fill padding on ↵Richard Guenther1-28/+28
64bit hosts. 2008-07-02 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (struct variable_info): Reorder to fill padding on 64bit hosts. Make collapsed_to an int. (get_varinfo_fc): Deal with that. (new_var_info): Likewise. (collapse_rest_of_var): Likewise. From-SVN: r137354
2008-07-02bitmap.h (bitmap_set_bit): Return bool.Richard Guenther1-30/+16
2008-07-02 Richard Guenther <rguenther@suse.de> * bitmap.h (bitmap_set_bit): Return bool. (bitmap_clear_bit): Likewise. * bitmap.c (bitmap_set_bit): Return if the bit changed. Only write to the bitmap if it would. (bitmap_clear_bit): Likewise. * tree-ssa-structalias.c (add_implicit_graph_edge): Use bitmap_set_bit return value. (add_pred_graph_edge): Likewise. (add_graph_edge): Likewise. (do_sd_constraint): Likewise. (do_ds_constraint): Likewise. From-SVN: r137345
2008-07-01re PR tree-optimization/36666 (ICE in process_constraint, at ↵Richard Guenther1-73/+104
tree-ssa-structalias.c:2573) 2008-07-01 Richard Guenther <rguenther@suse.de> PR tree-optimization/36666 * tree-ssa-structalias.c (get_constraint_for_1): Declare. (get_constraint_exp_from_ssa_var): Split into ... (get_constraint_exp_for_temp): ... this ... (get_constraint_for_ssa_var): ... and that. Return constraint expressions for all touched sub-fields if the results address is not taken. (process_constraint): Remove assertion that aggregate assignments do not happen at this place. (get_constraint_for_component_ref): Add address_p argument. Return constraint expressions for all touched sub-fields if the results address is not taken. (do_deref): Use get_constraint_exp_for_temp. (get_constraint_for_1): Rename from ... (get_constraint_for): ... this. Add the old function as wrapper. (do_structure_copy): Use get_constraint_for_1. * gcc.c-torture/compile/pr36666.c: New testcase. From-SVN: r137315
2008-06-30re PR middle-end/36671 (gfortran.dg/associated_1.f90)Richard Guenther1-12/+38
2008-06-30 Richard Guenther <rguenther@suse.de> PR middle-end/36671 * tree-ssa-structalias.c (handle_lhs_call): Add flags argument, handle calls from ECF_MALLOC functions. (handle_pure_call): ECF_MALLOC functions do not return call-used memory. (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call. From-SVN: r137271
2008-06-29tree-ssa-structalias.h (compute_points_to_sets): Adjust prototype.Richard Guenther1-313/+31
2008-06-29 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.h (compute_points_to_sets): Adjust prototype. (struct alias_info): Move ... * tree-ssa-alias.c: ... here. (update_alias_info): Declare. (compute_may_aliases): Call it. (update_alias_info): New function. * tree-ssa-structalias.c (update_alias_info): Move ... * tree-ssa-alias.c (update_alias_info_1): ... here. * tree-ssa-structalias.c (process_constraint_1): Remove unused from_call argument. Rename to ... (process_constraint): ... this. Delete old wrapper. (make_constraint_to): Adjust callers. (handle_const_call): Likewise. (handle_pure_call): Likewise. (init_base_vars): Likewise. (handle_lhs_call): Likewise. Remove unnecessary constraint. (find_func_aliases): We don't need structure copies for complex types. (make_constraint_from_anything): Remove. (create_variable_info_for): For globals make constraints from escaped, not from anything. (compute_points_to_sets): Do not call update_alias_info. (ipa_pta_execute): Use make_constraint_from. From-SVN: r137252
2008-06-28tree-ssa-structalias.c (callused_id, [...]): Add.Richard Guenther1-7/+155
2008-06-28 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (callused_id, var_callused, callused_tree): Add. (handle_pure_call): New function. (find_func_aliases): Call it. (find_what_p_points_to): Handle the call-used set. (clobber_what_escaped): Likewise. (compute_call_used_vars): New function. (init_base_vars): Init the call-used variable. (do_sd_constraint): Do not propagate the solution from CALLUSED but use CALLUSED as a placeholder. (solve_graph): Likewise. * tree-flow-inline.h (gimple_call_used_vars): New function. * tree-flow.h (struct gimple_df): Add call_used_vars bitmap. (compute_call_used_vars): Declare. * tree-ssa-alias.c (set_initial_properties): Call compute_call_used_vars. (reset_alias_info): Clear call-used variables. (add_call_clobber_ops): Assert we are not called for const/pure functions. Remove handling of them. (add_call_read_ops): Handle pure functions by adding the call-used set of variables as VUSEs. * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap. (delete_tree_ssa): Free it. * tree-dfa.c (remove_referenced_var): Clear the var from the call-used bitmap. * gcc.dg/tree-ssa/pr24287.c: Remove XFAIL. From-SVN: r137222
2008-06-27re PR tree-optimization/36400 (points-to results wrong)Richard Guenther1-98/+285
2008-06-27 Richard Guenther <rguenther@suse.de> PR tree-optimization/36400 PR tree-optimization/36373 PR tree-optimization/36344 * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id, var_nonlocal, nonlocal_tree, nonlocal_id): New globals (update_alias_info): Remove call clobbering code. (make_constraint_to): New helper function. (make_escape_constraint): Likewise. (handle_rhs_call): Use it on all pointer containing arguments. Also mark the static chain escaped. (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED instead of ANYTHING. (make_constraint_from): New helper split out from ... (make_constraint_from_anything): ... here. (find_func_aliases): Add constraints for escape sites. (intra_create_variable_infos): Make constraints from NONLOCAL for parameters. (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same as ANYTHING. (clobber_what_p_points_to): Remove. (clobber_what_escaped): New function. (init_base_vars): Init NONLOCAL and ESCAPED. (do_sd_constraint): Do not propagate the solution from ESCAPED but use ESCAPED as a placeholder. (solve_graph): Likewise. * tree-flow.h (clobber_what_p_points_to): Remove. (clobber_what_escaped): Declare. * tree-ssa-alias.c (set_initial_properties): Call it. Remove code clobbering escaped pointers. * gcc.dg/torture/pr36373-1.c: New testcase. * gcc.dg/torture/pr36373-2.c: Likewise. * gcc.dg/torture/pr36373-3.c: Likewise. * gcc.dg/torture/pr36373-4.c: Likewise. * gcc.dg/torture/pr36373-5.c: Likewise. * gcc.dg/torture/pr36373-6.c: Likewise. * gcc.dg/torture/pr36373-7.c: Likewise. * gcc.dg/torture/pr36373-8.c: Likewise. * gcc.dg/torture/pr36373-9.c: Likewise. * gcc.dg/torture/pr36373-10.c: Likewise. * gcc.dg/torture/pr36400.c: Likewise. * gcc.c-torture/execute/pta-field-1.c: Likewise. * gcc.c-torture/execute/pta-field-2.c: Likewise. * gcc.dg/tree-ssa/loadpre8.c: Remove XFAIL. * gcc.dg/tree-ssa/pr24287.c: XFAIL. From-SVN: r137197
2008-06-27Don't mark statements modified when we are in ipa modeDaniel Berlin1-1/+2
From-SVN: r137189
2008-06-25tree-ssa-structalias.c (fieldoff_compare): Make sure to not overflow the ↵Richard Guenther1-4/+10
result type. 2008-06-25 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (fieldoff_compare): Make sure to not overflow the result type. * gcc.c-torture/compile/20080625-1.c: New testcase. From-SVN: r137104
2008-06-12re PR tree-optimization/36345 (TBAA-pruning of points-to sets ineffective)Richard Guenther1-22/+18
2008-06-12 Richard Guenther <rguenther@suse.de> PR tree-optimization/36345 * tree-flow.h (struct ptr_info_def): Align escape_mask, add memory_tag_needed flag. (may_alias_p): Declare. * tree-ssa-alias.c (may_alias_p): Export. (set_initial_properties): Use memory_tag_needed flag. (update_reference_counts): Likewise. (reset_alias_info): Reset memory_tag_needed flag. (create_name_tags): Check memory_tag_needed flag. (dump_points_to_info_for): Dump it. * tree-ssa-structalias.c (struct variable_info): Remove directly_dereferenced flag. (new_var_info): Do not initialize it. (process_constraint_1): Do not set it. (update_alias_info): Set is_dereferenced flag. (set_uids_in_ptset): Use may_alias_p. (set_used_smts): Check memory_tag_needed flag. (find_what_p_points_to): Likewise. Pass is_dereferenced flag. * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check memory_tag_needed flag. * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover from broken design. * gcc.c-torture/execute/20020619-1.c: Remove broken part of the testcase. From-SVN: r136695
2008-06-06tree-ssa-structalias.c (merge_smts_into): Remove.Richard Guenther1-35/+8
2008-06-06 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (merge_smts_into): Remove. (find_what_p_points_to): Do not bother to compute the points-to set for pt_anything pointers. * tree-ssa-operands.c (get_addr_dereference_operands): No NMT for pt_anything pointers is ok. * gcc.dg/tree-ssa/alias-18.c: XFAIL some sub-tests. From-SVN: r136428
2008-06-04tree-ssa-structalias.c (handle_ptr_arith): Correctly handle negative or ↵Richard Guenther1-32/+12
non-representable offsets. 2008-06-04 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle negative or non-representable offsets. * gcc.c-torture/execute/20080604-1.c: New testcase. From-SVN: r136351
2008-06-03tree-ssa-structalias.c (find_func_aliases): Add constraints for the lhs of ↵Richard Guenther1-1/+1
calls if the return type contains pointers. 2008-06-03 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (find_func_aliases): Add constraints for the lhs of calls if the return type contains pointers. From-SVN: r136315
2008-05-29re PR tree-optimization/36343 (Wrong code due to bad TBAA pruning of ↵Richard Guenther1-5/+71
points-to-sets and use in call clobbering) 2008-05-29 Richard Guenther <rguenther@suse.de> PR tree-optimization/36343 PR tree-optimization/36346 PR tree-optimization/36347 * tree-flow.h (clobber_what_p_points_to): Declare. * tree-ssa-structalias.c (set_uids_in_ptset): Whether the pointed-to variable is dereferenced is irrelevant to whether the pointer can access the pointed-to variable. (clobber_what_p_points_to): New function. * tree-ssa-alias.c (set_initial_properties): Use it. * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust call clobber check for NMTs. * gcc.c-torture/execute/pr36343.c: New testcase. From-SVN: r136152
2008-05-09pa.c (reloc_needed): Use CASE_CONVERT.Tomas Bily1-2/+1
* config/pa/pa.c (reloc_needed): Use CASE_CONVERT. * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * c-common.c (c_common_truthvalue_conversion): Likewise. * tree-object-size.c (compute_object_offset): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants) (initializer_constant_valid_p): Likewise. * c-omp.c (check_omp_for_incr_expr): Likewise. * gimplify.c (gimplify_expr): Likewise. * c-typeck.c (c_finish_return): Likewise. * tree-vectorizer.c (supportable_widening_operation) (supportable_narrowing_operation): Likewise. * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise. * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info) (descr_info_loc): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * fold-const.c (operand_equal_p, make_range, extract_muldiv_1) (fold_unary): Likewise. * builtins.c (get_pointer_alignment): Likewise. * tree-scalar-evolution.c (interpret_rhs_modify_stmt) (instantiate_parameters_1): Likewise. * tree.c (expr_align, stabilize_reference): Likewise. * tree-pretty-print.c (dump_generic_node, op_prio): Likewise. * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise. * convert.c (strip_float_extensions): Use CONVERT_EXPR_P. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * config/alpha/alpha.c (va_list_skip_additions): Likewise. * c-common.c (c_alignof_expr, check_function_arguments_recurse): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise. * varasm.c (initializer_constant_valid_p, output_constant): Likewise. * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) (forward_propagate_addr_expr_1, forward_propagate_addr_expr) (forward_propagate_comparison) (tree_ssa_forward_propagate_single_use_vars): Likewise. * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * tree-ssa-phiopt.c (conditional_replacement): Likewise. * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr): Likewise. * c-typeck.c (default_function_array_conversion, build_indirect_ref) (build_function_call, pointer_diff, build_compound_expr) (c_finish_return): Likewise. * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise. * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1): Likewise. * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise. * expr.c (is_aligning_offset): Likewise. * tree-ssa-alias.c (is_escape_site): Likewise. * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes) (check_all_va_list_escapes): Likewise. * tree-ssa-loop-ivopts.c (determine_base_object) (determine_common_wider_type): Likewise. * dojump.c (do_jump): Likewise. * tree-ssa-sccvn.c (simplify_unary_expression): Likewise. * tree-gimple.c (is_gimple_cast): Likewise. * fold-const.c (decode_field_reference, ) (fold_sign_changed_comparison, fold_unary, fold_comparison) (fold_binary): Likewise. * tree-ssa-alias-warnings.c (find_alias_site_helper) (already_warned_in_frontend_p): Likewise. * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise. * tree.c (really_constant_p, get_unwidened): Likewise. * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. * tree-ssa-loop-im.c (rewrite_bittest): Likewise. * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1): Likewise. * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use CONVERT_EXPR_P. (CONVERT_EXPR_P): Define. (CASE_CONVERT): Define. From-SVN: r135114
2008-05-09tree-flow-inline.h (var_can_have_subvars): Move ...Richard Guenther1-158/+93
2008-05-08 Richard Guenther <rguenther@suse.de> * tree-flow-inline.h (var_can_have_subvars): Move ... * tree-ssa-structalias.c (var_can_have_subvars): ... here. * tree-flow.h (var_can_have_subvars): Remove. (push_fields_onto_fieldstack): Remove. (sort_fieldstack): Likewise. (struct fieldoff): Move ... * tree-ssa-structalias.c (struct fieldoff): ... here. Remove alias_set and base_for_components fields. (sort_fieldstack): Make static. (push_fields_onto_fieldstack): Likewise. Remove code that handles anything but RECORD_TYPEs. Remove alias_set and base_for_components handling. (create_variable_info_for): Adjust. From-SVN: r135110
2008-05-08tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.Richard Guenther1-70/+15
2008-05-08 Richard Guenther <rguenther@suse.de> * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS. * tree-data-ref.h (struct dr_alias): Remove subvars field. (DR_SUBVARS): Remove. * tree-dfa.c (dump_subvars_for): Remove. (debug_subvars_for): Likewise. (dump_variable): Do not dump subvars. (remove_referenced_var): Do not remove subvars. * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist. (lookup_subvars_for_var): Remove. (get_subvars_for_var): Likewise. (get_subvars_at): Likewise. (get_first_overlapping_subvar): Likewise. (overlap_subvar): Likewise. * tree-flow.h (subvar_t): Remove. (struct var_ann_d): Remove subvars field. * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued argument. Remove special handling of SFTs. (compute_tag_properties): Likewise. (set_initial_properties): Likewise. (compute_call_clobbered): Likewise. (count_mem_refs): Likewise. (compute_memory_partitions): Likewise. (compute_flow_insensitive_aliasing): Likewise. (setup_pointers_and_addressables): Likewise. (new_type_alias): Likewise. (struct used_part): Remove. (used_portions): Likewise. (struct used_part_map): Likewise. (used_part_map_eq): Likewise. (used_part_map_hash): Likewise. (free_used_part_map): Likewise. (up_lookup): Likewise. (up_insert): Likewise. (get_or_create_used_part_for): Likewise. (create_sft): Likewise. (create_overlap_variables_for): Likewise. (find_used_portions): Likewise. (create_structure_vars): Likewise. * tree.def (STRUCT_FIELD_TAG): Remove. * tree.h (MTAG_P): Adjust. (struct tree_memory_tag): Remove base_for_components and unpartitionable flags. (struct tree_struct_field_tag): Remove. (SFT_PARENT_VAR): Likewise. (SFT_OFFSET): Likewise. (SFT_SIZE): Likewise. (SFT_NONADDRESSABLE_P): Likewise. (SFT_ALIAS_SET): Likewise. (SFT_UNPARTITIONABLE_P): Likewise. (SFT_BASE_FOR_COMPONENTS_P): Likewise. (union tree_node): Remove sft field. * alias.c (get_alias_set): Remove special handling of SFTs. * print-tree.c (print_node): Remove handling of SFTs. * tree-dump.c (dequeue_and_dump): Likewise. * tree-into-ssa.c (mark_sym_for_renaming): Likewise. * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs. * tree-predcom.c (set_alias_info): Do not set subvars. * tree-pretty-print.c (dump_generic_node): Do not handle SFTs. * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise. * tree-ssa-operands.c (access_can_touch_variable): Likewise. (add_vars_for_offset): Remove. (add_virtual_operand): Remove special handling of SFTs. (add_call_clobber_ops): Likewise. (add_call_read_ops): Likewise. (get_asm_expr_operands): Likewise. (get_modify_stmt_operands): Likewise. (get_expr_operands): Likewise. (add_to_addressable_set): Likewise. * tree-ssa.c (verify_ssa_name): Do not handle SFTs. * tree-tailcall.c (suitable_for_tail_opt_p): Likewise. * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars. * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization. (tree_code_size): Remove STRUCT_FIELD_TAG handling. (tree_node_structure): Likewise. * tree-ssa-structalias.c (set_uids_in_ptset): Remove special handling of SFTs. (find_what_p_points_to): Likewise. From-SVN: r135077
2008-05-08re PR middle-end/36154 (internal compiler error: in ↵Richard Guenther1-4/+8
get_constraint_for_component_ref, at tree-ssa-structalias.c:2727) 2008-05-08 Richard Guenther <rguenther@suse.de> PR middle-end/36154 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make sure to create a representative for trailing arrays for PTA. * gcc.c-torture/compile/pr36154.c: New testcase. From-SVN: r135071
2008-04-29tree-ssa-alias.c (finalize_ref_all_pointers): Remove.Richard Guenther1-9/+1
2008-04-29 Richard Guenther <rguenther@suse.de> * tree-ssa-alias.c (finalize_ref_all_pointers): Remove. (compute_may_aliases): Do not call finalize_ref_all_pointers. (compute_flow_insensitive_aliasing): Do not treat PTR_IS_REF_ALL pointers special. (get_smt_for): Likewise. (may_alias_p): Re-structure. (is_escape_site): A ref-all pointer conversion is not an escape site. * tree-ssa-structalias.c (find_what_p_points_to): Do not treat PTR_IS_REF_ALL pointers special. * tree-ssa-structalias.h (struct alias_info): Remove ref_all_symbol_mem_tag field. (PTR_IS_REF_ALL): Remove. From-SVN: r134797
2008-04-23re PR tree-optimization/27799 (adding unused char field inhibits optimization)Richard Guenther1-15/+1
2008-04-23 Richard Guenther <rguenther@suse.de> PR tree-optimization/27799 PR tree-optimization/32921 PR tree-optimization/32624 * tree-ssa-structalias.c (merge_smts_into): Only merge the SMTs aliases and the tag itself into the solution. * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not merge the points-to solution back into the SMT aliases. (may_alias_p): Use alias_set_subset_of instead of aliases_conflict_p. A pointer which points to memory with alias set zero may access any variable. * gcc.dg/tree-ssa/pr27799.c: New testcase. * gcc.dg/tree-ssa/20030807-7.c: Remove xfail, scan vrp dump. From-SVN: r134598
2008-04-23tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case.Tomas Bily1-1/+0
* tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case. * tree-vrp.c (extract_range_from_unary_expr): Removed unused NON_LVALUE_EXPR. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1, ) (is_aligning_offset): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * dojump.c (do_jump): Likewise. * builtins.c (get_pointer_alignment, get_memory_rtx) (integer_valued_real_p, fold_builtin_next_arg): Likewise. * tree-scalar-evolution.c (instantiate_parameters_1): Likewise. From-SVN: r134591
2008-04-15tree-ssa-structalias.c (get_constraint_for_component_ref): Do not punt for ↵Eric Botcazou1-5/+10
STRING_CST. * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not punt for STRING_CST. (get_constraint_for): Deal with STRING_CST here instead. From-SVN: r134325
2008-04-03expmed.c (extract_split_bit_field): Remove if (0) code.Ben Elliston1-5/+0
* expmed.c (extract_split_bit_field): Remove if (0) code. * tree-ssa-structalias.c (do_sd_constraint): Likewise. (do_ds_constraint): Likewise. From-SVN: r133848
2008-03-19re PR other/35094 (RTL dump file letters hosed and partly undocumented)Jan Hubicka1-3/+5
* gcc.dg/20050811-2.c: Update dumping flags. * gcc.dg/sms-2.c: Update dumping flags. * gcc.dg/var-expand1.c: Update dumping flags. * gcc.dg/var-expand3.c: Update dumping flags. * gcc.dg/pr30957-1.c: Update dumping flags. * gcc.dg/20050811-1.c: Update dumping flags. * gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail. * gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail. PR other/35094 * toplev.c (decode_d_option): Handle all CPP flags. * tree-vrp.c: Update tree_pass descriptors. * regrename.c: Update tree_pass descriptors. * fwprop.c: Update tree_pass descriptors. * doc/invoke.texi: Remove documentation of dropped -d? flags. * tree-into-ssa.c: Update tree_pass descriptors. * tree-dump.c: Update tree_pass descriptors. * tree-complex.c: Update tree_pass descriptors. * tree-dump.h: Update tree_pass descriptors. * see.c: Update tree_pass descriptors. * cgraphbuild.c: Update tree_pass descriptors. * tracer.c: Update tree_pass descriptors. * tree-loop-distribution.c: Update tree_pass descriptors. * cgraph.c: Update tree_pass descriptors. * postreload-gcse.c: Update tree_pass descriptors. * postreload.c: Update tree_pass descriptors. * tree-ssa-loop-ch.c: Update tree_pass descriptors. * tree-tailcall.c: Update tree_pass descriptors. * tree-pass.h (tree_opt_pass): Rename to ... (opt_pass) ... this one; add "type" field and remove letter field. (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New. (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes, all_lowering_passes): Update declaration. * ipa-cp.c: Update tree_pass descriptors. * final.c: Update tree_pass descriptors. * omp-low.c: Update tree_pass descriptors. * tree-ssa-dse.c: Update tree_pass descriptors. * ipa-reference.c: Update tree_pass descriptors. * tree-ssa-uncprop.c: Update tree_pass descriptors. * auto-inc-dec.c: Update tree_pass descriptors. * reorg.c: Update tree_pass descriptors. * cgraphunit.c: Update tree_pass descriptors. * tree-ssa-copyrename.c: Update tree_pass descriptors. * tree-ssa-ccp.c: Update tree_pass descriptors. * df-core.c: Update tree_pass descriptors. * mode-switching.c: Update tree_pass descriptors. * tree-nomudflap.c: Update tree_pass descriptors. * modulo-sched.c: Update tree_pass descriptors. * ipa-pure-const.c: Update tree_pass descriptors. * cse.c: Update tree_pass descriptors. * web.c: Update tree_pass descriptors. * tree-stdarg.c: Update tree_pass descriptors. * tree-ssa-math-opts.c: Update tree_pass descriptors. * tree-ssa-dom.c: Update tree_pass descriptors. * tree-nrv.c: Update tree_pass descriptors. * tree-ssa-alias.c: Update tree_pass descriptors. * loop-init.c: Update tree_pass descriptors. * gimple-low.c: Update tree_pass descriptors. * ipa-inline.c: Update tree_pass descriptors. * tree-ssa-sink.c: Update tree_pass descriptors. * global.c: Update tree_pass descriptors. * ifcvt.c: Update tree_pass descriptors. * jump.c: Update tree_pass descriptors. * predict.c: Update tree_pass descriptors. * tree-ssa-loop.c: Update tree_pass descriptors. * recog.c: Update tree_pass descriptors. * dse.c: Update tree_pass descriptors. * tree-ssa-ifcombine.c: Update tree_pass descriptors. * tree-eh.c: Update tree_pass descriptors. * regmove.c: Update tree_pass descriptors. * local-alloc.c * function.c: Update tree_pass descriptors. * tree-vectorizer.c: Update tree_pass descriptors. * gcse.c: Update tree_pass descriptors. * ipa-type-escape.c: Update tree_pass descriptors. * tree-if-conv.c: Update tree_pass descriptors. * init-regs.c: Update tree_pass descriptors. * ipa.c: Update tree_pass descriptors. * tree-ssa-phiopt.c: Update tree_pass descriptors. * rtl-factoring.c: Update tree_pass descriptors. * lower-subreg.c: Update tree_pass descriptors. * bt-load.c: Update tree_pass descriptors. * tree-dfa.c: Update tree_pass descriptors. * except.c: Update tree_pass descriptors. * emit-rtl.c: Update tree_pass descriptors. * cfgexpand.c: Update tree_pass descriptors. * tree-cfgcleanup.c: Update tree_pass descriptors. * cfgcleanup.c: Update tree_pass descriptors. * tree-ssa-pre.c: Update tree_pass descriptors. * tree-sra.c: Update tree_pass descriptors. * tree-mudflap.c: Update tree_pass descriptors. * tree-ssa-copy.c: Update tree_pass descriptors. * cfglayout.c: Update tree_pass descriptors. * tree-ssa-forwprop.c: Update tree_pass descriptors. * tree-ssa-dce.c: Update tree_pass descriptors. * tree-ssa.c: Update tree_pass descriptors. * regclass.c: Update tree_pass descriptors. * integrate.c: Update tree_pass descriptors. * tree-optimize.c: Update tree_pass descriptors. * tree-ssa-phiprop.c: Update tree_pass descriptors. * tree-object-size.c: Update tree_pass descriptors. * combine.c: Update tree_pass descriptors. * tree-outof-ssa.c: Update tree_pass descriptors. * bb-reorder.c: Update tree_pass descriptors. * stack-ptr-mod.c: Update tree_pass descriptors. * var-tracking.c: Update tree_pass descriptors. * tree-profile.c: Update tree_pass descriptors. * tree-vect-generic.c: Update tree_pass descriptors. * reg-stack.c: Update tree_pass descriptors. * sched-rgn.c: Update tree_pass descriptors. * tree-ssa-structalias.c: Update tree_pass descriptors. * tree-cfg.c: Update tree_pass descriptors. * passes.c (current_pass): Update declaration. (finish_optimization_passes): Update. (all_passes, all_ipa_passes, all_lowering_passes): Update declaration. (register_one_dump_file, register_dump_files_1, next_pass_1): Update arguments. (init_optimization_passes): Update handling of new types. (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update. * ipa-struct-reorg.c: Update tree_pass descriptors. * tree-ssa-reassoc.c: Update tree_pass descriptors. * combine-stack-adj.c: Update tree_pass descriptors. * cfgrtl.c: Update tree_pass descriptors. * dce.c: Update tree_pass descriptors. * tree-ssanames.c: Update tree_pass descriptors. From-SVN: r133342
2008-03-05tree-ssa-structalias.c (get_constraint_for_component_ref): Use ranges_overlap_p.Richard Guenther1-21/+2
2008-03-05 Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (get_constraint_for_component_ref): Use ranges_overlap_p. (offset_overlaps_with_access): Rename to ranges_overlap_p and move ... * tree-flow-inline.h (ranges_overlap_p): ... here. * tree.h (get_inner_reference, handled_component_p): Update comments. * tree.h (record_component_aliases, get_alias_set, alias_sets_conflict_p, alias_sets_must_conflict_p, objects_must_conflict_p): Move declarations ... * alias.h (record_component_aliases, get_alias_set, alias_sets_conflict_p, alias_sets_must_conflict_p, objects_must_conflict_p): ... here. Include coretypes.h. * Makefile.in (ALIAS_H): Add coretypes.h dependency. From-SVN: r132950
2008-02-28revert: tree-flow.h (uid_decl_map_hash, [...]): Move ...Richard Guenther1-12/+15
2008-02-28 Richard Guenther <rguenther@suse.de> Revert: 2008-02-26 Richard Guenther <rguenther@suse.de> * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. (lookup_decl_from_uid): Declare. (remove_decl_from_map): Likewise. * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. (decl_for_uid_map): New global hashtable mapping DECL_UID to the decl tree. (init_ttree): Allocate it. (insert_decl_to_uid_decl_map): New helper function. (make_node_stat): Insert new decls into the map. (copy_node_stat): Likewise. (lookup_decl_from_uid): New function. (remove_decl_from_map): Likewise. (print_decl_for_uid_map_statistics): New helper. (dump_tree_statistics): Call it. cp/ * decl.c (duplicate_decls): Remove decl from global mapping before ggc_freeing it. * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. (referenced_var_iterator): Adjust. (FOR_EACH_REFERENCED_VAR): Adjust. (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. (num_referenced_vars): Adjust. * tree-flow-inline.h (gimple_referenced_vars): Adjust. (first_referenced_var): Remove. (end_referenced_vars_p): Likewise. (next_referenced_var): Likewise. (referenced_var_iterator_set): New helper function. * tree-dfa.c (referenced_var_lookup): Adjust. (referenced_var_check_and_insert): Likewise. (remove_referenced_var): Likewise. * tree-ssa.c (verify_flow_insensitive_alias_info): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (verify_call_clobbering): Likewise. (verify_memory_partitions): Likewise. (init_tree_ssa): Allocate bitmap instead of hashtable for referenced_vars. (delete_tree_ssa): Adjust. * tree-ssa-alias.c (mark_aliases_call_clobbered): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (compute_tag_properties): Likewise. (set_initial_properties): Likewise. (find_partition_for): Likewise. (update_reference_counts): Likewise. (dump_may_aliases_for): Likewise. * tree-ssa-operands.c (add_virtual_operand): Likewise. (add_call_clobber_ops): Likewise. (add_call_read_ops): Likewise. (get_asm_expr_operands): Likewise. * tree-into-ssa.c (dump_decl_set): Likewise. (update_ssa): Likewise. * tree-sra.c (scan_function): Likewise. (decide_instantiations): Likewise. (scalarize_parms): Likewise. * tree-ssa-alias-warnings.c (build_reference_table): Likewise. (dsa_named_for): Likewise. * tree-ssa-structalias.c (update_alias_info): Likewise. (merge_smts_into): Likewise. From-SVN: r132740
2008-02-26tree-flow.h (uid_decl_map_hash, [...]): Move ...Richard Guenther1-15/+12
2008-02-26 Richard Guenther <rguenther@suse.de> * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. (lookup_decl_from_uid): Declare. (remove_decl_from_map): Likewise. * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. (decl_for_uid_map): New global hashtable mapping DECL_UID to the decl tree. (init_ttree): Allocate it. (insert_decl_to_uid_decl_map): New helper function. (make_node_stat): Insert new decls into the map. (copy_node_stat): Likewise. (lookup_decl_from_uid): New function. (remove_decl_from_map): Likewise. (print_decl_for_uid_map_statistics): New helper. (dump_tree_statistics): Call it. cp/ * decl.c (duplicate_decls): Remove decl from global mapping before ggc_freeing it. * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. (referenced_var_iterator): Adjust. (FOR_EACH_REFERENCED_VAR): Adjust. (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. (num_referenced_vars): Adjust. * tree-flow-inline.h (gimple_referenced_vars): Adjust. (first_referenced_var): Remove. (end_referenced_vars_p): Likewise. (next_referenced_var): Likewise. (referenced_var_iterator_set): New helper function. * tree-dfa.c (referenced_var_lookup): Adjust. (referenced_var_check_and_insert): Likewise. (remove_referenced_var): Likewise. * tree-ssa.c (verify_flow_insensitive_alias_info): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (verify_call_clobbering): Likewise. (verify_memory_partitions): Likewise. (init_tree_ssa): Allocate bitmap instead of hashtable for referenced_vars. (delete_tree_ssa): Adjust. * tree-ssa-alias.c (mark_aliases_call_clobbered): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (compute_tag_properties): Likewise. (set_initial_properties): Likewise. (find_partition_for): Likewise. (update_reference_counts): Likewise. (dump_may_aliases_for): Likewise. * tree-ssa-operands.c (add_virtual_operand): Likewise. (add_call_clobber_ops): Likewise. (add_call_read_ops): Likewise. (get_asm_expr_operands): Likewise. * tree-into-ssa.c (dump_decl_set): Likewise. (update_ssa): Likewise. * tree-sra.c (scan_function): Likewise. (decide_instantiations): Likewise. (scalarize_parms): Likewise. * tree-ssa-alias-warnings.c (build_reference_table): Likewise. (dsa_named_for): Likewise. * tree-ssa-structalias.c (update_alias_info): Likewise. (merge_smts_into): Likewise. From-SVN: r132676
2008-02-25revert: tree-flow.h (uid_decl_map_hash, [...]): Move ...Richard Guenther1-12/+15
2008-02-25 Richard Guenther <rguenther@suse.de> Revert: 2008-02-25 Richard Guenther <rguenther@suse.de> * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. (lookup_decl_from_uid): Declare. * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. (decl_for_uid_map): New global hashtable mapping DECL_UID to the decl tree. (init_ttree): Allocate it. (insert_decl_to_uid_decl_map): New helper function. (make_node_stat): Insert new decls into the map. (copy_node_stat): Likewise. (lookup_decl_from_uid): New function. (print_decl_for_uid_map_statistics): New helper. (dump_tree_statistics): Call it. * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. (referenced_var_iterator): Adjust. (FOR_EACH_REFERENCED_VAR): Adjust. (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. (num_referenced_vars): Adjust. * tree-flow-inline.h (gimple_referenced_vars): Adjust. (first_referenced_var): Remove. (end_referenced_vars_p): Likewise. (next_referenced_var): Likewise. (referenced_var_iterator_set): New helper function. * tree-dfa.c (referenced_var_lookup): Adjust. (referenced_var_check_and_insert): Likewise. (remove_referenced_var): Likewise. * tree-ssa.c (verify_flow_insensitive_alias_info): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (verify_call_clobbering): Likewise. (verify_memory_partitions): Likewise. (init_tree_ssa): Allocate bitmap instead of hashtable for referenced_vars. (delete_tree_ssa): Adjust. * tree-ssa-alias.c (mark_aliases_call_clobbered): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (compute_tag_properties): Likewise. (set_initial_properties): Likewise. (find_partition_for): Likewise. (update_reference_counts): Likewise. (dump_may_aliases_for): Likewise. * tree-ssa-operands.c (add_virtual_operand): Likewise. (add_call_clobber_ops): Likewise. (add_call_read_ops): Likewise. (get_asm_expr_operands): Likewise. * tree-into-ssa.c (dump_decl_set): Likewise. (update_ssa): Likewise. * tree-sra.c (scan_function): Likewise. (decide_instantiations): Likewise. (scalarize_parms): Likewise. * tree-ssa-alias-warnings.c (build_reference_table): Likewise. (dsa_named_for): Likewise. * tree-ssa-structalias.c (update_alias_info): Likewise. (merge_smts_into): Likewise. From-SVN: r132643
2008-02-25tree-flow.h (uid_decl_map_hash, [...]): Move ...Richard Guenther1-15/+12
2008-02-25 Richard Guenther <rguenther@suse.de> * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ... * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here. (lookup_decl_from_uid): Declare. * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ... * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here. (decl_for_uid_map): New global hashtable mapping DECL_UID to the decl tree. (init_ttree): Allocate it. (insert_decl_to_uid_decl_map): New helper function. (make_node_stat): Insert new decls into the map. (copy_node_stat): Likewise. (lookup_decl_from_uid): New function. (print_decl_for_uid_map_statistics): New helper. (dump_tree_statistics): Call it. * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap. (referenced_var_iterator): Adjust. (FOR_EACH_REFERENCED_VAR): Adjust. (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator. (num_referenced_vars): Adjust. * tree-flow-inline.h (gimple_referenced_vars): Adjust. (first_referenced_var): Remove. (end_referenced_vars_p): Likewise. (next_referenced_var): Likewise. (referenced_var_iterator_set): New helper function. * tree-dfa.c (referenced_var_lookup): Adjust. (referenced_var_check_and_insert): Likewise. (remove_referenced_var): Likewise. * tree-ssa.c (verify_flow_insensitive_alias_info): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (verify_call_clobbering): Likewise. (verify_memory_partitions): Likewise. (init_tree_ssa): Allocate bitmap instead of hashtable for referenced_vars. (delete_tree_ssa): Adjust. * tree-ssa-alias.c (mark_aliases_call_clobbered): Use FOR_EACH_REFERENCED_VAR_IN_BITMAP. (compute_tag_properties): Likewise. (set_initial_properties): Likewise. (find_partition_for): Likewise. (update_reference_counts): Likewise. (dump_may_aliases_for): Likewise. * tree-ssa-operands.c (add_virtual_operand): Likewise. (add_call_clobber_ops): Likewise. (add_call_read_ops): Likewise. (get_asm_expr_operands): Likewise. * tree-into-ssa.c (dump_decl_set): Likewise. (update_ssa): Likewise. * tree-sra.c (scan_function): Likewise. (decide_instantiations): Likewise. (scalarize_parms): Likewise. * tree-ssa-alias-warnings.c (build_reference_table): Likewise. (dsa_named_for): Likewise. * tree-ssa-structalias.c (update_alias_info): Likewise. (merge_smts_into): Likewise. From-SVN: r132629
2008-01-08re PR c++/31863 (g++-4.1: out of memory with -O1/-O2)Richard Guenther1-1/+7
2008-01-08 Richard Guenther <rguenther@suse.de> PR middle-end/31863 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail out early if the result will be unused. * g++.dg/torture/pr31863.C: New testcase. From-SVN: r131405
2007-11-21re PR tree-optimization/34148 (Too many VOPs, too deep tree-ssa-sccvn.c ↵Richard Guenther1-0/+1
recursion) 2007-11-21 Richard Guenther <rguenther@suse.de> PR tree-optimization/34148 * tree-ssa-structalias.c (create_variable_info_for): Do not use field-sensitive PTA for single-element structures. * tree-ssa-alias.c (create_overlap_variables_for): Do not create SFTs for single-element structures. From-SVN: r130329
2007-11-16re PR tree-optimization/33870 (miscompiles sqlite)Richard Guenther1-65/+68
2007-11-16 Richard Guenther <rguenther@suse.de> PR tree-optimization/33870 * tree.h (struct tree_memory_tag): Add base_for_components flag. (struct tree_struct_field_tag): Remove nesting_level field. (SFT_NESTING_LEVEL): Remove. (SFT_BASE_FOR_COMPONENTS_P): Add. * tree-flow.h (struct fieldoff): Remove nesting_level field. Add base_for_components flag. (push_fields_onto_fieldstack): Remove nesting_level parameter. * tree-ssa-alias.c (create_sft): Likewise. Add base_for_components parameter. (create_overlap_variables_for): Deal with it. * tree-dfa.c (dump_subvars_for): Likewise. (dump_variable): Likewise. * tree-ssa-structalias.c (push_fields_onto_fieldstack): Likewise. Set base_for_components for first elements of sub-structures. (create_variable_info_for): Handle base_for_components. (set_uids_in_ptset): Always set SFT_UNPARTITIONABLE_P for pointed-to SFTs if SFT_BASE_FOR_COMPONENTS_P is set. * tree-ssa-operands.c (ref_nesting_level): Remove. (add_vars_for_offset): Remove full_ref parameter, always add the offset of the pointed-to SFT. (add_virtual_operand): Adjust for changed signature of add_vars_for_offset. * gcc.dg/torture/pr33870.c: New testcase. From-SVN: r130231
2007-11-16tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to 'func'.Tom Tromey1-3/+3
* tree-ssa-structalias.c (ipa_pta_execute): Rename 'cfun' to 'func'. * tree-parloops.c (create_loop_fn): Use set_cfun. * gengtype.c (open_base_files): Emit #undef cfun. * ipa-struct-reorg.c (do_reorg_1): Use set_cfun. * function.h (cfun): New define. * function.c: Undefine cfun. From-SVN: r130213