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* re PR tree-optimization/20458 (structure aliasing causes wrong code)Daniel Berlin2005-03-151-1/+3
| | | | | | | | | | | | | | | | | 2005-03-14 Daniel Berlin <dberlin@dberlin.org> Fix PR tree-optimization/20458 * tree-flow-inline.h (mark_call_clobbered): Don't fiddle DECL_EXTERNAL on STRUCT_FIELD tags. (clear_call_clobbered): Ditto. * tree-ssa-operands.c (note_addressable): Make sure the original variable doesn't slip into the addressable list if we have subvars. * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD tags too. From-SVN: r96462
* builtin-attrs.def (ATTR_NOVOPS, [...]): New.Zdenek Dvorak2005-03-141-1/+3
| | | | | | | | | | | | | | | | | | * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST, ATTR_PURE_NOTHROW_NOVOPS_LIST): New. * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS. (BUILT_IN_PREFETCH): Set the NOVOPS attribute. * c-common.c (handle_novops_attribute): New function. (c_common_attribute_table): Add "no vops" entry. * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS. * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS. * tree-ssa-operands.c (get_call_expr_operands): Do not create virtual operands for calls with ECF_NOVOPS flag. * tree.h (DECL_IS_NOVOPS): New macro. (struct tree_decl): Add novops_flag. (ECF_NOVOPS): New constant. From-SVN: r96438
* In gcc/ada/ 2005-03-12 Daniel Berlin <dberlin@dberlin.org>Daniel Berlin2005-03-131-39/+142
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In gcc/ada/ 2005-03-12 Daniel Berlin <dberlin@dberlin.org> * misc.c (gnat_post_options): Turn off structural aliasing for now. In gcc/ 2005-03-12 Daniel Berlin <dberlin@dberlin.org> * tree-flow-inline.h (ref_contains_array_ref): New function. (lookup_subvars_for_var): Ditto. (get_subvars_for_var): Ditto. (var_can_have_subvars): Ditto. * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD. (struct subvar): New type. * tree-dfa.c (okay_component_ref_for_subvars): New function. * tree-optimize.c (init_tree_optimization_passes): Call pass_create_structure_vars. * tree-ssa-alias.c: Include vec.h. (init_alias_info): Don't auto-clear call clobbered on struct-field tags. (compute_flow_insensitive_aliasing): Handle subvars. (group_aliases): Handle STRUCT_FIELD aliases. (setup_pointers_and_addressables): Ditto. Don't mark variables non-addressable if they still have addressable subvars. Also mark subvars addressable when the real variable is marked addressable. (add_pointed_to_var): Try to prune the pointed-to set by only pointing to subvars when possible. Otherwise, make sure we set addresses_needed and pt_vars to properly include subvars. (bitpos_of_field): New function. (push_fields_onto_fieldstack): Ditto. (get_or_create_used_part_for): Ditto. (create_overlap_variables_for): Ditto. (find_used_portions): Ditto. (create_structure_vars): Ditto. (pass_create_structure_vars): New structure. * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert. (get_expr_operands): Handle subvars. Also try to turn COMPONENT_REF accesses into must-defs now that we can accurately portray it. (note_addressable): Try to only mark as addressable those subvars we know a COMPONENT_REF touches. (overlap_subvar): New function. * tree-vect-analyze.c (vect_object_analysis): Add new parameter. Handle subvar storing. (vect_address_analysis): Update caller of vect_object_analysis. * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars. * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member. (STMT_VINFO_SUBVARS): New macro. * common.opts: add flag_tree_salias. * opts.c (decode_options): flag_tree_salias defaults to on. * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias. * doc/tree-ssa.texi: Document structural alias analysis. From-SVN: r96362
* tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.Steven Bosscher2005-03-121-5/+1
| | | | | | | | | * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node. * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it. * tree-ssa-operands.c (get_expr_operands): Likewise. (get_expr_operands): Likewise for ERROR_MARK. From-SVN: r96351
* * tree-ssa-operands.c (check_build_stmt): Remove.Kazu Hirata2005-03-071-5/+0
| | | | From-SVN: r96017
* re PR tree-optimization/20100 (LIM is pulling out a pure function even ↵Diego Novillo2005-02-231-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | though there is something which can modify global memory) PR tree-optimization/20100 PR tree-optimization/20115 * tree-optimize.c (init_tree_optimization_passes): Remove pass_maybe_create_global_var. * tree-pass.h (pass_maybe_create_global_var): Remove. * tree-ssa-alias.c (aliases_computed_p): Declare. (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND. (count_calls_and_maybe_create_global_var): Remove. (pass_maybe_create_global_var): Remove. (init_alias_info): Do not declare aliases_computed_p. (maybe_create_global_var): If the function contains no call-clobbered variables and a mix of pure/const and regular function calls, create .GLOBAL_VAR. Mark all call-clobbered variables for renaming. (merge_pointed_to_info): Update comment. (add_pointed_to_var): Likewise. (is_escape_site): Likewise. Accept struct alias_info * instead of size_t *. Update all users. Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND as necessary. * tree-ssa-operands.c (get_call_expr_operands): If ALIASES_COMPUTED_P is false, do not add call-clobbering operands. * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false. (delete_tree_ssa): Likewise. testsuite/ChangeLog PR tree-optimization/20100 PR tree-optimization/20115 * gcc.dg/pr20115.c: New test. * gcc.dg/pr20115-1.c: New test. * gcc.dg/pr20100.c: New test. * gcc.dg/tree-ssa/20040517-1.c: Expect virtual operands for call-clobbered variables after alias1. From-SVN: r95437
* basic-block.h, [...]: Update copyright.Kazu Hirata2005-01-181-1/+1
| | | | | | | | | | | | | | | | | | | | * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c, c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c, combine.c, config.gcc, coverage.h, cse.c, cselib.c, defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c, flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c, gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h, output.h, postreload-gcse.c, postreload.c, recog.c, resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c, targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c, tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c, tree-optimize.c, tree-outof-ssa.c, tree-pass.h, tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def, unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright. From-SVN: r93827
* [multiple changes]Diego Novillo2005-01-081-7/+4
| | | | | | | | | | | | | | | | | | | | | | | 2005-01-08 Jeff Law <law@redhat.com> Diego Novillo <dnovillo@redhat.com> * tree-nrv.c (tree_nrv): Ignore volatile return values. * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize statements with volatile operands. * tree-ssa-operands.c (add_stmt_operand): Do add volatile operands after marking a statement with has_volatile_ops. testsuite/ChangeLog: 2005-01-08 Diego Novillo <dnovillo@redhat.com> * gcc.dg/pr18241-1.c: New test. * gcc.dg/pr18241-2.c: New test. * gcc.dg/pr18241-3.c: New test. * gcc.dg/pr18241-4.c: New test. * gcc.dg/pr18241-5.c: New test. From-SVN: r93088
* tree-ssa-alias.c (setup_pointers_and_addressables): Remove redundant test of ↵Jeff Law2004-12-101-12/+0
| | | | | | | | | | | | v_ann->mem_tag_kind. * tree-ssa-alias.c (setup_pointers_and_addressables): Remove redundant test of v_ann->mem_tag_kind. * tree-ssa-operands.c (get_indirect_ref_operands): Remove redundant conditional clearing opf_kill_def. From-SVN: r92000
* tree-ssa-operands.c (build_ssa_operands, [...]): Ignore a VIEW_CONVERT_EXPR ↵Richard Kenner2004-11-281-14/+27
| | | | | | | | | | | | on LHS when deciding if must or may def. PR/18664 * tree-ssa-operands.c (build_ssa_operands, case MODIFY_EXPR): Ignore a VIEW_CONVERT_EXPR on LHS when deciding if must or may def. * tree-ssa-ccp.c (visit_assignment): If LHS is a VIEW_CONVERT_EXPR, add an inverse VIEW_CONVERT_EXPR to const_val. From-SVN: r91450
* * cse.c, tree-ssa-operands.c: Fix comment typos.Kazu Hirata2004-11-261-3/+3
| | | | From-SVN: r91339
* re PR tree-optimization/18587 (build_v_may_defs and build_vuses can be ↵Andrew MacLeod2004-11-251-89/+241
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | improved when adding) 2004-11-25 Andrew Macleod <amacleod@redhat.com> PR tree-optimization/18587 * tree-flow-inline.h (mark_call_clobbered, mark_non_addressable): Flag call clobbered caches as invalid. * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): New. Flag indicating whether the call clobbered operand cache is valid. (ssa_ro_call_cache_valid): New. Flag indicating whether the pure/const call operand cache is valid. (clobbered_v_may_defs, clobbered_vuses, ro_call_vuses): New. cached list of operands for cached call virtual operands. (clobbered_aliased_loads, clobbered_aliased_stores, ro_call_aliased_load): New. flags caching whether alias bits are to be set in call stmt's. */ (fini_ssa_operands): Remove call operand caches if present. (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands): Pass stmt annotation to add_stmt_operand. (get_call_expr_operands): Add call clobbered variables first. (add_stmt_operand): Take stmt annotation rather than stmt as a param. (add_call_clobber_ops, add_call_read_ops): Use the call operand cache if it is valid, otherise fill the cache. * tree-ssa-operands.h (ssa_clobbered_cache_valid): Declare extern. * tree-flow.h (struct var_ann_d): Add in_vuse_list and in_v_may_def_list bits. * tree-ssa-operands.c (cleanup_v_may_defs): New. Clear the in_list bits for the v_may_def elements and empty the operand build array. (finalize_ssa_vuses): Use cleanup_v_may_defs and remove redundant VUSES by checking the in_v_may_def_list bit. (append_v_may_def, append_vuse): Use the in_list bit rather than scanning the array for duplicates. From-SVN: r91305
* tree-ssa-operands.c (build_ssa_operands): Make it static.Kazu Hirata2004-11-081-1/+1
| | | | | | | * tree-ssa-operands.c (build_ssa_operands): Make it static. * tree-flow.h: Remove the corresponding prototype. From-SVN: r90308
* bitmap.c (bitmap_print): Make bitno unsigned.Nathan Sidwell2004-11-041-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bitmap.c (bitmap_print): Make bitno unsigned. * bt-load.c (clear_btr_from_live_range, btr_def_live_range): Likewise. * caller-save.c (save_call_clobbered_regs): Likewise. * cfganal.c (compute_dominance_frontiers_1): Likewise. * cfgcleanup.c (thread_jump): Likewise. * cfgrtl.c (safe_insert_insn_on_edge): Likewise. * conflict.c (conflict_graph_compute): Likewise. * ddg.c (add_deps_for_use): Likewise. * df.c (df_refs_update): Likewise. * except.c (remove_eh_handler): Likewise. * flow.c (verify_local_live_at_start, update_life_info, initialize_uninitialized_subregs, propagate_one_insn, free_propagate_block_info, propagate_block, find_use_as_address, reg_set_to_hard_reg_set): Likewise. * gcse.c (clear_modify_mem_tables): Likewise. * global.c (global_conflicts, build_insn_chain): Likewise. * ifcvt.c (dead_or_predicable): Likewise. * local-alloc.c (update_equiv_regs): Likewise. * loop.c (load_mems): Likewise. * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Likewise. * ra-rewrite.c (reloads_to_loads, rewrite_program2, actual_spill): Likewise. * reload1.c (order_regs_for_reload, finish_spills): Likewise. * sched-deps.c (sched_analyze_insn, free_deps): Likewise. * sched-rgn.c (propagate_deps * tree-cfg.c (tree_purge_all_dead_eh_edges): Likewise. * tree-dfa.c (dump_dfa_stats tree-into-ssa.c (compute_global_livein, insert_phi_nodes, insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags): Likewise. * tree-outof-ssa.c (coalesce_ssa_name, coalesce_vars, free_temp_expr_table, find_replaceable_exprs): Likewise. * tree-sra.c (scan_function, scalarize_parms): Likewise. * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape, compute_flow_sensitive_aliasing, maybe_create_global_var): Likewise. * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Likewise. * tree-ssa-live.c (new_tree_live_info, live_worklist, calculate_live_on_entry, calculate_live_on_exit, compare_pairs, sort_coalesce_list, build_tree_conflict_graph, dump_live_info tree-ssa-loop-manip.c (add_exit_phis_var): Likewise. tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops, add_call_read_ops): Likewise. * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Likewise. * tree-ssa-live.h (num_var_partitions): Return unsigned. From-SVN: r90053
* Back out previous accidental commit.Geoffrey Keating2004-10-301-2/+0
| | | | From-SVN: r89878
* darwin.h (ASM_SPEC): Simplify.Geoffrey Keating2004-10-301-0/+2
| | | | | | | | | | | | | | | * config/i386/darwin.h (ASM_SPEC): Simplify. (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec. * config/rs6000/darwin.h (DARWIN_SUBARCH_SPEC): New. (SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec. * config/darwin.h (LINK_COMMAND_SPEC): Don't pass -arch here. (LINK_SPEC): Do pass -arch here. Handle -force_cpusubtype_ALL in all cases. Pass the right -arch or -arch_only based on -mcpu. (ASM_SPEC): Handle -force_cpusubtype_ALL. * doc/invoke.texi (Darwin Options): Improve documentation for Darwin linker (and libtool) switches. From-SVN: r89877
* bitmap.h (bitmap_empty_p): New.Nathan Sidwell2004-10-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bitmap.h (bitmap_empty_p): New. (bitmap_and, bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_ior_compl, bitmap_xor, bitmap_xor_into): New bitmap operation macros. (bitmap_ior_and_compl): Rename to ... (bitmap_ior_and_compl_into): ... here. * bitmap.c (bitmap_equal_p): Use bitmap_xor. (bitmap_ior_and_compl): Rename to ... (bitmap_ior_and_compl_into): ... here. Adjust. Return changed flag. (bitmap_union_of_diff): Use renamed bitmap functions. * basic-block.h (AND_REG_SET, AND_COMPL_REG_SET, IOR_REG_SET, XOR_REG_SET, IOR_AND_COMPL_REG_SET): Likewise. * cfgrtl.c (safe_insert_insn_on_edge): Likewise. * df.c (df_bb_rd_local_compute) * flow.c (calculate_global_regs_live, init_propagate_block_info): Likewise. * ifcvt.c (find_if_case_1, find_if_case_2, dead_or_predicable): Likewise. * ra-build.c (union_web_part_roots, livethrough_conflicts_bb, reset_conflicts, conflicts_between_webs): Likewise. * ra-rewrite.c (reloads_to_loads, rewrite_program2, detect_web_parts_to_rebuild): Likewise. * sched-ebb.c (compute_jump_reg_dependencies): Likewise. * tree-int-ssa.c (insert_phi_nodes_for, rewrite_into_ssa): Likewise. * tree-sra.c (decide_instantiations): Likewise. * tree-ssa-alias.c (create_name_tags, merge_pointed_to_info): Likewise. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise. * tree-ssa-loop-im.c (move_computations): Likewise. * tree-ssa-operands.c (get_call_expr_operands): Likewise. * tree-ssa-pre.c (fini_pre): Likewise. * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise. * tree-ssanames.c (any_marked_for_rewrite_p): Likewise. * tree-vectorizer.c (vectorize_loops): Likewise. From-SVN: r89827
* re PR tree-optimization/17133 (wrong code with -ftree-lim)Daniel Berlin2004-10-271-9/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2004-10-27 Daniel Berlin <dberlin@dberlin.org> Fix PR tree-optimization/17133 * tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must def kill operand. * tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT. (get_v_must_def_result_ptr): Modify for new structure of v_must_defs array. (get_v_must_def_kill_ptr): New. (op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs. (op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT. (op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT. (op_iter_init): Initialize new mustu members. (op_iter_next_mustdef): New function. (op_iter_init_mustdef): Ditto. * tree-flow.h (rewrite_def_def_chains): New function. * tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands. (ssa_mark_def_sites): Ditto. (rewrite_stmt): Ditto. (ssa_rewrite_stmt): Ditto. (rewrite_blocks): Factor out from rewrite_into_ssa. (mark_def_block_sites): Ditto. (rewrite_def_def_chains): New function, just rewrites def-def chains without phi node insertion. * tree-pass.h (TODO_fix_def_def_chains): New todo flag. * tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains. * tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that they include the rhs now. * tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became V_MUST_DEF_RESULT. * tree-ssa-dce.c (mark_operand_necessary): Add phionly argument. Update callers. (mark_really_necessary_kill_operand_phis): New function. (perform_tree_ssa_dce): Call it. (pass_dce): Add TODO_fix_def_def_chains. (pass_cd_dce): Ditto. * tree-ssa-loop-im.c (determine_max_movement): Look at kills as well. (rewrite_mem_refs): Ditto. * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills as well. * tree-ssa-operands.c (allocate_v_may_def_optype): v_may_def_operand_type_t became v_def_use_operand_type_t. (allocate_v_must_def_optype) Ditto. (finalize_ssa_v_must_defs): Update for new operand type, as well as setting the use portion as well. (copy_virtual_operands): Copy the kill operand as well. (create_ssa_artficial_load_stmt): V_MUST_DEF_OP became V_MUST_DEF_RESULT. * tree-ssa-operands.h (v_may_def_operand_type): Renamed to v_def_use_operand_type. (v_must_def_optype_d): Use v_def_use_operand_type. (V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_* (V_MUST_DEF_KILL_*): New macros. (struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i members. Rename existing must_i and num_v_must members to mustd_i and num_v_mustd. (SSA_OP_VMUSTDEFKILL): New flag. (SSA_OP_VIRTUAL_KILLS): New flag. (SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS. (SSA_OP_ALL_KILLS): New flag. (FOR_EACH_SSA_MUSTDEF_OPERAND): New macro. * tree-ssa.c (verify_ssa): Verify virtual kills as well. * tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP became V_MUST_DEF_RESULT. (rename_variables_in_bb): Rename kill pointer as well. * tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the immediate uses. From-SVN: r89695
* patch to remove the analysis of module level static variables.Kenneth Zadeck2004-10-251-61/+11
| | | | From-SVN: r89559
* re PR middle-end/17756 (contained_3.f90)Richard Henderson2004-10-051-0/+1
| | | | | | | PR 17756 * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL. From-SVN: r88579
* bitmap.h (EXECUTE_IF_SET_IN_BITMAP, [...]): Changed to iterator style.Zdenek Dvorak2004-09-261-8/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP, EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style. (bitmap_iterator): New type. (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init, bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1, bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1, bmp_iter_and_init, bmp_iter_and_next): New functions. * basic-block.h (EXECUTE_IF_SET_IN_REG_SET, EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to use iterator-style EXECUTE_IF_IN_BITMAP macros. * bitmap.c (bitmap_print): Ditto. * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range, btr_def_live_range): Ditto. * cfganal.c (compute_dominance_frontiers_1) Ditto. * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics): Ditto. * ddg.c (build_inter_loop_deps): Ditto. * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update): Ditto. * except.c (remove_eh_handler): Ditto. * flow.c (reg_set_to_hard_reg_set): Ditto. * gcse.c (clear_modify_mem_tables): Ditto. * global.c (build_insn_chain): Ditto. * ifcvt.c (dead_or_predicable): Ditto. * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg): Ditto. * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto. * ra-rewrite.c (reloads_to_loads, rewrite_program2, detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto. * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region, tree_purge_all_dead_eh_edges): Ditto. * tree-into-ssa.c (compute_global_livein, insert_phi_nodes, insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags, rewrite_ssa_into_ssa): Ditto. * tree-outof-ssa.c (find_replaceable_exprs): Ditto. * tree-sra.c (scan_function, decide_instantiations, scalarize_parms): Ditto. * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape, compute_flow_sensitive_aliasing, maybe_create_global_var, dump_points_to_info_for): Ditto. * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto. * tree-ssa-dse.c (dse_finalize_block): Ditto. * tree-ssa-live.c (live_worklist, calculate_live_on_entry, calculate_live_on_exit, build_tree_conflict_graph, dump_live_info): Ditto. * tree-ssa-loop-ivopts.c (find_induction_variables, find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map, determine_use_iv_costs, determine_set_costs, find_best_candidate, set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data): Ditto. * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto. * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops, add_call_read_ops): Ditto. * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto. From-SVN: r88145
* tree.def (ALIGN_INDIRECT_REF, [...]): New tree-codes.Dorit Naishlos2004-09-231-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2004-09-23 Dorit Naishlos <dorit@il.ibm.com> * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF): New tree-codes. * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and MISALIGNED_INDIRECT_REF. * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise. * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos): Likewise. * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base) (find_interesting_uses_address): Likewise. * fold-const.c (non_lvalue, operand_equal_p): Likewise. (build_fold_addr_expr_with_type): Likewise. * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise. * print-rtl.c (print_mem_expr): Likewise. * tree-dump.c (dequeue_and_dump): Likewise. * tree-eh.c (tree_could_trap_p): Likewise. * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise. * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise. * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise. * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise. * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise. (add_address_candidates, rewrite_address_base): Likewise. * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands): Likewise. * tree.c (staticp, build1_stat): Likewise. * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes. * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR. * tree-ssa-operands.c (get_expr_operands): Likewise. * expr.c (expand_expr_real_1): Likewise. * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New optabs. (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values for the new optabs. (expand_ternary_op): New function. * genopinit.c (optabs): Handle the new optabs. * optabs.c (optab_for_tree_code): Add cases for the new tree-codes. (init_optabs): Initialize vec_realign_load_optab. (expand_ternary_op): New functions. * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target. (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize. (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise. (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise. * target.h (struct vectorize): New member for struct gcc_target. (misaligned_mem_ok): New member for targetm.vectorize. (builtin_mask_for_load): Likewise. (builtin_mask_for_store): Likewise. * targethooks.c (default_vect_misaligned_mem_ok): New function. * targethooks.h (default_vect_misaligned_mem_ok): New function. * config/rs6000/altivec.md (build_vector_mask_for_load): New define_expand. (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi) (vec_realign_load_v16qi): New define_insn. * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD): (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins. * config/rs6000/rs6000.c (altivec_builtin_mask_for_load): (altivec_builtin_mask_for_store): New variables. (rs6000_builtin_mask_for_load): New function. Implements TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD. (rs6000_builtin_mask_for_store): New function. Implements TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE. (rs6000_expand_builtin): Expand the target builtins builtin_mask_for_load and builtin_mask_for_store. (altivec_init_builtins): Initialize the new target builtins. * config/i386/i386.c (ix86_misaligned_mem_ok): New function. Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK. * tree-vectorizer.c (vect_create_data_ref): Renamed to vect_create_data_ref_ptr. Returns a pointer instead of an array-ref. (vect_create_addr_base_for_vector_ref): Additional argument (offset). (vectorizable_store): Call vect_create_data_ref_ptr with additional arguments, and create an indirect_ref with its return value data_ref. Check aligned_access_p. (vectorizable_load): Handle misaligned loads, using software-pipelined scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if vec_realign_load_optab is supported, or using a scheme without software-pipelining with MISALIGNED_INDIRECT_REF if the target hook misaligned_mem_ok is supported. (vect_finish_stmt_generation): Typo. (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info. (vect_analyze_data_refs_alignment): Don't fail vectorization in the presence of misaligned loads. (vect_analyze_data_ref_access): Add check for constant init. (vect_get_symbl_and_dr): Remove duplicate line. * tree-vectorizer.h (DR_MISALIGNMENT): Add comment. From-SVN: r87948
* tree.def (VEC_COND_EXPR): New tree node.Devang Patel2004-09-211-1/+2
| | | | | | | * tree.def (VEC_COND_EXPR): New tree node. * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR. From-SVN: r87839
* alias.c, [...]: Fix comment typos.Kazu Hirata2004-09-181-1/+1
| | | | | | | | | | | * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c, gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c, optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c, tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-threadupdate.c: Fix comment typos. From-SVN: r87707
* alias.c (find_base_decl): Remove unreachable case '3' block.Jeffrey D. Oldham2004-09-171-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2004-09-17 Jeffrey D. Oldham <oldham@codesourcery.com> Zack Weinberg <zack@codesourcery.com> * alias.c (find_base_decl): Remove unreachable case '3' block. * expr.c (safe_from_p): Abort if passed a type. * tree-gimple.c (recalculate_side_effects): Abort if passed anything other than an expression. * tree-ssa-pre.c (phi_translate): Return expr immediately if is_gimple_min_invariant is true for it. Reorder cases for clarity. Abort on un-handled tree classes. (valid_in_set): Likewise. * tree.c (tree_code_class_strings): New static data. * tree.h (enum tree_code_class): New. (tree_code_class_strings): Declare. (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P) (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P) (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros. (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS) (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update. * tree.def, c-common.def, objc/objc-tree.def: Use tree_code_class enumeration constants instead of code letters. * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c Update to match. * LANGUAGES: Add note about change. ada: * ada-tree.def: Use tree_code_class enumeration constants instead of code letters. * ada-tree.h, decl.c, misc.c, trans.c, utils.c, utils2.c: Update for new tree-class enumeration constants. cp: * cp-tree.def: Use tree_code_class enumeration constants instead of code letters. * call.c, class.c, cp-gimplify.c, cp-lang.c, cxx-pretty-print.c * mangle.c, pt.c, semantics.c, tree.c, typeck.c: Update for new tree-class enumeration constants. fortran: * f95-lang.c, trans-expr.c, trans.c: Update for new tree-class enumeration constants. java: * java-tree.def: Use tree_code_class enumeration constants instead of code letters. * java-gimplify.c, jcf-write.c, lang.c, parse.y: Update for new tree-class enumeration constants. treelang: * treetree.c: Update for new tree-class enumeration constants. From-SVN: r87675
* tree-ssa-operands.c (add_call_clobber_ops): Make read-only test apply only ↵Diego Novillo2004-09-161-2/+8
| | | | | | | | | to TREE_STATIC and DECL_EXTERNAL. * tree-ssa-operands.c (add_call_clobber_ops): Make read-only test apply only to TREE_STATIC and DECL_EXTERNAL. From-SVN: r87615
* tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable warning with ↵Richard Henderson2004-09-151-37/+31
| | | | | | | | | code disable. * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable warning with code disable. Fix formatting. From-SVN: r87567
* turn off code clobbering optimization for static variables untilKenneth Zadeck2004-09-151-1/+5
| | | | | | analysis behind it can be fixed in a couple of days. From-SVN: r87564
* New code to analyze file level static variables and to determine if...Kenneth Zadeck2004-09-131-11/+56
| | | | | | | | New code to analyze file level static variables and to determine if they escape and also code to use this information to prune clobber lists. From-SVN: r87455
* c-common.c, [...]: Fix comment typos.Kazu Hirata2004-09-101-4/+4
| | | | | | | | | * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c, tree-data-ref.c, tree-flow.h, tree-ssa-operands.c, tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h, value-prof.c: Fix comment typos. Follow spelling conventions. From-SVN: r87288
* targhooks.c (default_unwind_emit, [...]): Use gcc_assert, gcc_unreachable & ↵Giovanni Bajo2004-09-091-36/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | internal_error instead of abort. * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p): Use gcc_assert, gcc_unreachable & internal_error instead of abort. * timevar.c (timevar_push, timevar_pop, timevar_start, timevar_stop): Likewise. * toplev.c (default_pch_valid_p): Likewise. * tracer.c (tail_duplicate): Likewise. * tree-alias-common.c (get_alias_var_decl, get_values_from_constructor, create_alias_var, delete_alias_vars, empty_points_to_set, same_points_to_set, ptr_may_alias_var): Likewise. * tree.c (tree_size, make_node_stat, copy_node_stat, build_int_cst_wide, integer_all_onesp, list_length, chainon, tree_node_structure, type_contains_placeholder_p, substitute_in_expr, substitute_placeholder_in_expr, tabilize_reference_1, build0_stat, build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p, lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr, build_method_type_directly, decl_type_context, get_callee_fndecl, get_set_constructor_bits, build_vector_type_for_mode, int_cst_value, tree_fold_gcd): Likewise. * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges, make_cond_expr_edges, group_case_labels, tree_merge_blocks, cleanup_control_expr_graph, find_taken_edge, find_taken_edge_switch_expr, phi_alternatives_equal, is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt, stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate, tree_split_edge, tree_verify_flow_info, thread_jumps, tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise. * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly): Likewise. * tree-complex.c (extract_component, expand_complex_division, expand_complex_comparison, expand_complex_operations_1, build_replicated_const, expand_vector_operations_1): Likewise. * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector, build_classic_dir_vector): Likewise. * tree-dfa.c (compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann, create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise. * tree-dump.c (dequeue_and_dump): Likewise. * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region, record_in_finally_tree, replace_goto_queue_1, maybe_record_in_goto_queue, verify_norecord_switch_expr, do_return_redirection): Likewise. * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr, add_to_dst_predicate_list, find_phi_replacement_condition, replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order): Likewise. * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r, initialize_inlined_parameters, declare_return_variable, estimate_num_insns_1, expand_call_inline, expand_calls_inline, optimize_inline_calls, copy_tree_r): Likewise. * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt, ssa_rewrite_stmt, rewrite_into_ssa): Likewise. * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after, tsi_split_statement_list_after, tsi_split_statement_list_before): Likewise. * tree-mudflap.c (mf_varname_tree): Likewise. * tree-nested.c (create_tmp_var_for, lookup_field_for_decl, lookup_tramp_for_decl, convert_all_function_calls): Likewise. * tree-optimize.c (tree_rest_of_compilation): Likewise. * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi, coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis, free_temp_expr_table, add_dependance, finish_expr, rewrite_trees): Likewise. * tree-phinodes.c (resize_phi_node, add_phi_arg, remove_all_phi_nodes_for): Likewise. * tree-pretty-print.c (op_prio, print_call_name): Likewise. * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler, tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise. * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree, sra_elt_eq, sra_walk_expr, instantiate_missing_elements, generate_one_element_ref, generate_element_copy, generate_element_zero, scalarize_copy, scalarize_init, scalarize_ldst): Likewise. * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p, add_may_alias, add_pointed_to_expr, add_pointed_to_var, collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise. * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise. * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value, set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment, widen_bitfield, ccp_fold_builtin): Likewise. * tree-ssa-copy.c (may_propagate_copy, merge_alias_info, replace_exp_1, propagate_tree_value): Likewise. * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise. * tree-ssa-dce.c (set_control_dependence_map_bit, find_control_dependence, find_pdom, mark_operand_necessary, mark_stmt_if_obviously_necessary, mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise. * tree-ssa-dom.c (dom_opt_initialize_block_local_data, simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis, eliminate_redundant_computations, avail_expr_eq): Likewise. * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise. * tree-ssa-loop-ch.c (should_duplicate_loop_header_p, duplicate_blocks): Likewise. * tree-ssa-loop-im.c (for_each_index, set_level, is_call_clobbered_ref): Likewise. * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos, stmt_after_increment, set_iv, contains_abnormal_ssa_name_p, find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates, peel_address, ptr_difference_cost, may_replace_final_value, determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer, rewrite_use, rewrite_uses): Likewise. * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa, check_loop_closed_ssa_use): Likewise. * tree-ssanames.c (make_ssa_name): Likewise. * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_must_defs, finalize_ssa_stmt_operands, get_stmt_operands, get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands, add_stmt_operand): Likewise. * tree-ssa-pre.c (value_exists_in_set_bitmap, value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set, phi_translate, valid_in_set, compute_antic, find_or_generate_expression, create_expression_by_pieces, insert_aux, create_value_expr_from, eliminate): Likewise. * tree-ssa-propagate.c (cfg_blocks_get): Likewise. * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges): Likewise. * tree-tailcall.c (independent_of_stmt_p, adjust_return_value, eliminate_tail_call): Likewise. * tree-vectorizer.c (vect_create_index_for_array_ref, vect_align_data_ref, vect_create_data_ref, vect_create_destination_var, vect_get_vec_def_for_operand, vect_finish_stmt_generation, vect_transform_stmt, vect_transform_loop_bound, vect_transform_loop, vect_analyze_operations): Likewise. * tree-vn.c (vn_compute, set_value_handle, get_value_handle): Likewise. * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr, get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start, bsi_after_labels, bsi_last): Likewise. * tree-ssa-live.c (var_union, change_partition_var, create_ssa_var_map, calculate_live_on_entry, root_var_init, type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce): Likewise. * tree-ssa-live.h (partition_is_global, live_entry_blocks, tpa_find_tree): Likewise. (register_ssa_partition_check): Declare. (register_ssa_partition): use it. * tree-ssa-live.c: Include errors.h. (register_ssa_partition_check): New. * tree-ssa-operands.c: Include errors.h. * Makefile.in (tree-ssa-operands.o): Depend on errors.h. Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com> From-SVN: r87223
* tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for variables ↵Jan Hubicka2004-09-081-10/+1
| | | | | | | | | being alias set. * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for variables being alias set. From-SVN: r87193
* c-common.c, [...]: Fix comment typos.Kazu Hirata2004-09-051-3/+3
| | | | | | | | | | | | | | * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h, et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h, hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c, tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c, tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-loop-niter.c, tree-ssa-operands.c, tree-ssa-operands.h, tree-ssa-propagate.c, tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c, vec.c, vec.h: Fix comment typos. Follow spelling conventions. From-SVN: r87104
* tree-ssa-loop-ivopts.c: New file.Zdenek Dvorak2004-09-051-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-ssa-loop-ivopts.c: New file. * Makefile.in (tree-ssa-loop-ivopts.c): Add. * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost, target_pres_cost, target_spill_cost): Declare. * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost, spill_cost): Renamed to ... (target_avail_regs, target_res_regs, target_small_cost, target_pres_cost, target_spill_cost): ... and exported. (init_set_costs, global_cost_for_size): Work with renamed variables. * common.opt (flag_ivopts): New flag. * expr.c (expand_expr_real_1): Handle SSA_NAME case. Handle REF_ORIGINAL. * gimplify.c (struct gimplify_ctx): Add into_ssa field. (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support generating SSA form. (force_gimple_operand): New function. * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar. * tree-cfg.c (stmt_bsi): New function. * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND, PARAM_IV_MAX_CONSIDERED_USES): New. * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge, bsi_insert_on_edge_immediate_loop. standard_iv_increment_position, ip_end_pos, ip_normal_pos, force_gimple_operand): Declare. * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names. * tree-nested.c (build_addr): Export. * tree-optimize.c (init_tree_optimization_passes): Add pass_iv_optimize. * tree-pass.h (pass_iv_optimize): Declare. * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and IMAGPART_EXPR. * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable as a phi node argument. (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop, ip_end_pos, ip_normal_pos, standard_iv_increment_position): New functions. * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export. * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts, pass_iv_optimize): New pass. * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL. * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL. * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions. * tree.h (REF_ORIGINAL): New macro. (build_int_cst_type, unsigned_type_for, zero_p, cst_and_fits_in_hwi, build_addr): Declare. * doc/invoke.texi (-fivopts): Document. (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND, PARAM_IV_MAX_CONSIDERED_USES): Document. * doc/passes.texi: Document induction variable optimizations pass. * gcc.dg/tree-ssa/loop-2.c: New test. * gcc.dg/tree-ssa/loop-3.c: New test. * gcc.dg/tree-ssa/loop-4.c: New test. * gcc.dg/tree-ssa/loop-5.c: New test. From-SVN: r87100
* Tree level if-conversion for vectorizer.Devang Patel2004-09-031-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (OBJS-common): Add tree-if-conv.o (tree-if-conv.o): New rule. * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag. (get_loop_body_in_bfs_order): New. * cfgloop.h (get_loop_body_in_bfs_order): New. * tree-flow.h (enum move_pos): Move here from .. * tree-ssa-loop-im.c (enum move_pos): here. (movement_possibility): Make externally visible. * tree-optimize.c (init_tree_optimization_passes): New entry for if conversion pass. * tree-pass.h (pass_if_conversion): New. * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR. * tree-if-conv.c: New file. * doc/passes.texi: Document tree if-conversion pass. * doc/tree-ssa.texi: Same. testsuite: * gcc.dg/tree-ssa/ifc-20040816-1.c: New test. * gcc.dg/tree-ssa/ifc-20040816-2.c: New test. From-SVN: r87073
* tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.Jan Hubicka2004-09-031-0/+10
| | | | | | | * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays. * tree-ssanames (init_ssanames): Likewise. From-SVN: r87054
* tree-ssa-operands.h (struct ssa_operand_iterator_d): New.Andrew MacLeod2004-08-251-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2004-08-25 Andrew MacLeod <amacleod@redhat.com> * tree-ssa-operands.h (struct ssa_operand_iterator_d): New. SSA operand iterator controlling structure. (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF, SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS, SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New. Operand iterator flags. (FOR_EACH_SSA_TREE_OPERAND): New. Iterate over operands as trees. (FOR_EACH_SSA_USE_OPERAND): New. Iterate over operands as uses. (FOR_EACH_SSA_DEF_OPERAND): New. Iterate over operands as defs. (FOR_EACH_SSA_MAYDEF_OPERAND): New. Iterate over V_MAY_DEFs. * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. Empty operand pointers. * tree-flow-inline.h (op_iter_done): New. Return true if finished. (op_iter_next_use): New. Return next use_operand_p. (op_iter_next_def): New. Return next def_operand_p. (op_iter_next_tree): New. Return next operands as a tree. (op_iter_init): New. Initialize an iterator structure. (op_iter_init_use): New. Initialize structure and get the first use. (op_iter_init_def): New. Initialize structure and get the first def. (op_iter_init_tree): New. Initialize structure and get the first tree. (op_iter_next_maydef): New. Return next V_MAY_DEF operands. (op_iter_init_maydef): New. Initialize structure and get the first V_MAY_DEF operands. * tree-cfg.c (tree_duplicate_bb): Use new operand iterator. * tree-dfa.c (compute_immediate_uses_for_stmt, redirect_immediate_uses): Use new operand iterator. (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete. (mark_new_vars_to_rename): Use new operand iterator. Count virtual operands instead of using *_disappeared_p routines. * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt, ssa_rewrite_stmt): Use new operand iterator. * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, rewrite_trees): Use new operand iterator. * tree-pretty-print.c (dump_vops): Use new operand iterator. * tree-sra.c (mark_all_v_defs): Use new operand iterator. * tree-ssa-alias.c (compute_points_to_and_addr_escape, dump_points_to_info): Use new operand iterator. * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new operand iterator. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, propagate_necessity): Use new operand iterator. * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator. (register_definitions_for_stmt): Use new operand iterator. Take stmt as a parameter instead of a stmt_ann_t. * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry, build_tree_conflict_graph): Use new operand iterator. * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address, rewrite_mem_refs): Use new operand iterator. * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, check_loop_closed_ssa_use): Use new operand iterator. * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator. * tree-ssanames.c (release_defs): Use new operand iterator. * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator. From-SVN: r86583
* tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for noreturn ↵Zdenek Dvorak2004-08-231-1/+1
| | | | | | | | | functions. * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for noreturn functions. From-SVN: r86411
* tree-dfa.c (add_referenced_var): Only global variables are call-clobbered.Diego Novillo2004-08-181-11/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-dfa.c (add_referenced_var): Only global variables are call-clobbered. * tree-flow.h (struct ptr_info_def): Add field pt_global_mem. * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark all pointers dereferenced if the statement dereferences them. (create_name_tags): Do not create memory tags for pointers that have PT_ANYTHING set. Also check if PT_VARS is not empty before creating a name tag. (compute_flow_sensitive_aliasing): Don't mark call-clobbered variables that share the same alias set with a pointer that may point anywhere. (add_may_alias): Add FIXME comment to remove clobbering aliased variables and tags. (replace_may_alias): Likewise. (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED. (merge_pointed_to_info): If the original variable has not points-to information, call set_pt_anything. (add_pointed_to_var): Do not prevent adding a pointed-to variable if the pointers is PT_ANYTHING. If the variable is a global, set PT_GLOBAL_MEM. (collect_points_to_info_r): Don't assume that PLUS_EXPRs of pointer type only come in PTR+OFFSET flavours. Always call merge_pointed_to_info on PHI arguments that are SSA_NAMEs. (get_nmt_for): Mark call-clobbered tags whose pointer points to global memory. * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch values. (get_indirect_ref_operands): Always clear OPF_KILL_DEF from FLAGS. (add_stmt_operand): Abort if the caller tried to add a killing definition for a memory tag. * tree-ssa.c (verify_flow_sensitive_alias_info): Remove unnecessary checks. From-SVN: r86198
* re PR tree-optimization/16867 (Inline array initializer miscompilation at -O)Diego Novillo2004-08-121-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PR tree-optimization/16867 * tree.c (is_global_var): New function. (needs_to_live_in_memory): Check for TREE_ADDRESSABLE. Call is_global_var. * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove. Update all users. (is_global_var): Declare. * tree-dfa.c (dump_variable): Display global and addressable attributes. (add_referenced_var): Clarify documentation when marking variables call-clobbered. * tree-flow-inline.h (is_call_clobbered): Call is_global_var instead of needs_to_live_in_memory. (mark_call_clobbered): If the variable is a tag, mark it DECL_EXTERNAL. * tree-gimple.c (is_gimple_reg): Don't check for TREE_ADDRESSABLE. (is_gimple_non_addressable): Likewise. * tree-ssa-alias.c (get_nmt_for): Always check whether the tag needs to be marked call-clobbered. (setup_pointers_and_addressables): Call is_global_var instead of needs_to_live_in_memory. * tree-ssa-dce.c (need_to_preserve_store): Remove. Update all users with is_global_var. (mark_stmt_if_obviously_necessary): Fix processing of aliased stores. Don't check the virtual definitions. Rather, check whether the store is going into global memory. (find_obviously_necessary_stmts): Get the symbol from the PHI result. * tree-ssa-operands.c (get_call_expr_operands): Do not add clobbering may-defs if the call does not have side effects. libjava/ChangeLog PR tree-optimization/16867 * testsuite/libjava.lang/PR16867.java: New test. From-SVN: r85874
* tree-flow-inline.h (get_def_ops, [...]): Add operand structure reference.Andrew MacLeod2004-08-111-486/+660
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2004-08-11 Andrew MacLeod <amacleod@redhat.com> * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,get_v_must_def_ops): Add operand structure reference. (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct. (start_ssa_stmt_operands): Delete. * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new struct stmt_operands_d. (build_ssa_operands): New extern entry point. * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand building code, replace with create_ssa_artficial_load_stmt(). * tree-ssa-operands.c (struct voperands_d): Delete. (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector. (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *). (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): Remove dealloc parameter. (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete. (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand vector comparisons, ssa_name reuse, and allocations here. (verify_start_operands): Delete. (finalize_ssa_stmt_operands): Set new operands by calling finalize routines. (start_ssa_stmt_operands): Move from tree-flow-inline.h. (append_def, append_usei): Simplify to simple accumulation. (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding duplicates and simple accumulation. (free_ssa_operands): Free vectors in a stmt_operand structure. (build_ssa_operands): New. Create a new stmt_operand structure from a stmt and an old set of stmt_operands. (get_stmt_operands): Simplify and call build_ssa_operands. (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands, get_call_expr_operands, add_stmt_operand, add_call_clobber_ops, add_call_read_ops): Don't pass prev_vops around anymore. (note_addressable): Return if no stmt annotation. (copy_virtual_operands): Access v_may_def operands through a struct. (create_ssa_artficial_load_stmt): New. Create a load stmt for DOM's hash tables without treating the stmt as a real stmt. * tree-ssa-operands.h (struct v_may_def_operand_type): New. Access v_may_def def and use through a struct instead of 2 array elements. (struct v_may_def_optype_d): Use v_may_def_operand_type. (struct stmt_operands_d): New. Struct for storing all operand vectors. From-SVN: r85807
* tree-ssa-operands.c (get_expr_operands): Revert changes to ADDR_EXPR ↵Diego Novillo2004-07-291-3/+3
| | | | | | | | | | | | | | | processing introduced by... * tree-ssa-operands.c (get_expr_operands): Revert changes to ADDR_EXPR processing introduced by: 2004-06-21 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * tree-ssa-operands.c (get_expr_operands): Minor rearrangements. testsuite/ChangeLog * gcc.dg/tree-ssa/20040729-1.c: New test. From-SVN: r85306
* tree-optimize.c (init_tree_optimization_passes): Schedule pass_may_alias ↵Diego Novillo2004-07-281-56/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | right after the program is renamed into SSA. * tree-optimize.c (init_tree_optimization_passes): Schedule pass_may_alias right after the program is renamed into SSA. * tree-pass.h (PROP_alias): Define. * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias. * tree-sra.c (pass_sra): Likewise. * tree-ssa-ccp.c (pass_ccp): Likewise. * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise. * tree-ssa-dce.c (pass_dce): Likewise. * tree-ssa-dom.c (pass_dominator): Likewise. * tree-ssa-dse.c (pass_dse): Likewise. * tree-ssa-forwprop.c (pass_forwprop): Likewise. * tree-ssa-loop-ch.c (pass_ch): Likewise. * tree-ssa-phiopt.c (pass_phiopt): Likewise. * tree-ssa-pre.c (pass_pre): Likewise. * tree-tailcall.c (pass_tail_recursion): Likewise. * tree-ssa.c (pass_redundant_phi): Likewise. * tree-ssa-alias.c (aliases_computed_p): Remove. Update all users. (init_alias_info): Do not mark all type tags for renaming unconditionally. Clear may_aliases from every symbol. (setup_pointers_and_addressables): If a pointer has not been dereferenced and it had a type tag, clear it and mark the old tag for renaming. testsuite/ChangeLog * gcc.dg/tree-ssa/20030714-2.c: Adjust number of expected conditionals. * gcc.dg/tree-ssa/20031022-1.c: Adjust number of expected loads. * gcc.dg/tree-ssa/ssa-dom-cse-1.c: Expect optimization in DOM1. From-SVN: r85255
* tree-ssa-operands.c (get_stmt_operands, [...]): Handle ARRAY_RANGE_REF like ↵Richard Kenner2004-07-251-2/+4
| | | | | | | | | ARRAY_REF. * tree-ssa-operands.c (get_stmt_operands, get_expr_operands): Handle ARRAY_RANGE_REF like ARRAY_REF. From-SVN: r85148
* tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.Richard Kenner2004-07-231-0/+1
| | | | | | | * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'. * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New. From-SVN: r85111
* tree-into-ssa.c (set_livein_block): Fix typo in comment.Diego Novillo2004-07-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-into-ssa.c (set_livein_block): Fix typo in comment. (rewrite_ssa_into_ssa): Start iterating over SSA names at 1. Release SSA names that have been re-renamed. * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the variable. * tree-ssa-alias.c (init_alias_info): If aliases have been computed before, clear existing alias information. (create_name_tags): Do no fixup PT_ANYTHING pointers. If the new name tag for a pointer is different than the one it had before, mark the old tag for renaming. (replace_may_alias): New function. (group_aliases): Call it. (setup_pointers_and_addressables): Always call get_tmt_for. (maybe_create_global_var): Don't create .GLOBAL_VAR more than once. (set_pt_anything): New local function. (set_pt_malloc): New local function. (merge_pointed_to_info): Don't merge pointed-to variables from the original pointer if the destination is pointing to an unknown location. (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc. (add_pointed_to_var): Do not add a variable to the points-to set if the pointer is already pointing to anywhere. (collect_points_to_info_r): If the defining statement is a PHI node, only merge pointed-to information if the argument has already been visited. (get_tmt_for): Only create a new tag if the pointer didn't have one already. (dump_alias_info): Emit more information. (dump_points_to_info_for): Likewise. * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't try to get the annotation of an SSA_NAME. * tree-ssa-operands.c (add_stmt_operand): Only check for empty alias sets when checking is enabled. * tree-ssa-pre.c (need_eh_cleanup): New local variable. (eliminate): Mark basic blocks that will need EH information cleaned up. (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one predecessor. Initialize need_eh_cleanup. (fini_pre): Call tree_purge_all_dead_eh_edges and cleanup_tree_cfg if needed. Free need_eh_cleanup. * tree-ssa.c (verify_ssa_name): New function. (verify_def): Call it. Re-arrange to avoid printing too many error messages. (verify_use): Likewise. (verify_phi_args): Likewise. (verify_flow_insensitive_alias_info): New function. (verify_flow_sensitive_alias_info): New function. (verify_alias_info): New function. (verify_ssa): Call verify_alias_info. Clear TREE_VISITED on all the SSA_NAMEs before scanning the program. Re-arrange to avoid printing too many error messages. * tree-ssanames.c (make_ssa_name): Clear SSA_NAME_IN_FREE_LIST. (release_ssa_name): Never release a default definition. (release_defs): New function. * tree.h: Declare it. * tree-ssa-dce.c (remove_dead_stmt): Call it. * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS. If true, do a depth-first search. Do a breadht-first search, otherwise. (walk_use_def_chains): Add new argument IS_DFS. Update all users. * tree-flow.h (walk_use_def_chains): Update prototype. From-SVN: r85052
* Fix typo in comment.Richard Kenner2004-07-201-1/+1
| | | | From-SVN: r84989
* builtins.c (std_expand_builtin_va_arg): Remove.Richard Henderson2004-07-161-9/+2
| | | | | | | | | | | | | | | | | | | | | | * builtins.c (std_expand_builtin_va_arg): Remove. (expand_builtin_va_arg): Remove. * expr.h: Don't declare them. * gimplify.c (mark_decls_volatile_r): Remove. (copy_if_shared_r): Don't call it. * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG. * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR. * gimple-low.c (lower_stmt): Likewise. * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise. * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention EXPAND_BUILTIN_VA_ARG. * system.h (EXPAND_BUILTIN_VA_ARG): Poison. * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h, config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h, config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove. From-SVN: r84842
* tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15 switchification wrt ↵Richard Henderson2004-07-161-1/+12
| | | | | | | | | CONSTRUCTOR. * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15 switchification wrt CONSTRUCTOR. Document the reason. From-SVN: r84839
* tree-def (WITH_SIZE_EXPR): New.Richard Henderson2004-07-161-11/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * tree-def (WITH_SIZE_EXPR): New. * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR. * expr.c (expand_expr_real_1): Likewise. * gimplify.c (maybe_with_size_expr): New. (gimplify_arg, gimplify_modify_expr): Use it. (gimplify_modify_expr_to_memcpy): Take size parameter. (gimplify_modify_expr_to_memset): Likewise. (gimplify_expr): Handle WITH_SIZE_EXPR. * tree-alias-common.c (find_func_aliases): Likewise. * tree-eh.c (tree_could_trap_p): Likewise. (tree_could_throw_p): Likewise. * tree-gimple.c (is_gimple_lvalue): Likewise. (get_call_expr_in): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. (expand_calls_inline): Likewise. * tree-nested.c (convert_call_expr): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-sra.c (sra_walk_expr): Likewise. * tree-ssa-alias.c (add_pointed_to_expr): Likewise. * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree-tailcall.c (find_tail_calls): Likewise. * calls.c (expand_call): Reset old_stack_allocated after calling emit_stack_restore. * gcc.c-torture/compile/20020210-1.c: Remove XFAIL. From-SVN: r84833
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