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2006-06-08tree-ssa-dom.c (record_conditions): Only record "unordered" conditions from ↵Roger Sayle1-17/+42
floating point comparisons. * tree-ssa-dom.c (record_conditions): Only record "unordered" conditions from floating point comparisons. From-SVN: r114489
2006-04-28The condition the assert was flawed.Andrew MacLeod1-1/+1
2006-04-28 Andrew MacLeod <amacleod@redhat.com> * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause. From-SVN: r113356
2006-04-27Implement new immediate use iterators.Andrew MacLeod1-21/+6
2006-04-27 Andrew MacLeod <amacleod@redhat.com> PR tree-optimization/26854 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator. * doc/tree-ssa.texi: Update immuse iterator documentation. * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator. * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator. * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p, first_safe_imm_use, next_safe_imm_use): Remove. (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal. (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal. (move_use_after_head): New. Helper function to sort immuses in a stmt. (link_use_stmts_after): New. Link all immuses in a stmt consescutively. (first_imm_use_stmt): New. Get first stmt in an immuse list. (next_imm_use_stmt): New. Get next stmt in an immuse list. (first_imm_use_on_stmt): New. Get first immuse on a stmt. (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt. (next_imm_use_on_stmt): New. Move to next immuse on a stmt. * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator. * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator. (perfect_nestify): Use new iterator. * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new iterator. * tree-flow.h (struct immediate_use_iterator_d): Add comments. (next_imm_name): New field in struct immediate_use_iterator_d. (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove. (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT, FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros. * tree-cfg.c (replace_uses_by): Use new iterator. * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator. * tree-ssa-operands.c (correct_use_link): Remove. (finalize_ssa_use_ops): No longer call correct_use_link. From-SVN: r113321
2006-04-22op-common.h, [...]: Fix comment typos.Kazu Hirata1-1/+1
* config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c: Fix comment typos. * doc/tm.texi: Fix a typo. From-SVN: r113178
2006-04-20re PR tree-optimization/26854 (Inordinate compile times on large routines)Jeff Law1-1/+1
PR tree-optimization/26854 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when checking for zero or one use. * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly. * tree-cfgcleanup.c (merge_phi_nodes): Similarly. * tree-ssa-reassoc.c (negate_value): Similarly. (reassociate_bb): Similarly. From-SVN: r113120
2006-04-08builtins.c, [...]: Fix comment typos.Kazu Hirata1-3/+3
* builtins.c, config/arm/arm.c, config/i386/cygwin.h, config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h, config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c, haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h, sched-rgn.c, tree-inline.h, tree-ssa-dom.c, tree-ssa-loop-prefetch.c, tree-ssa-operands.c, tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow spelling convensions. * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi, doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment typos. Follow spelling conventions. From-SVN: r112782
2006-04-03tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding and operand ↵Jeff Law1-10/+45
scanning in some common cases. * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding and operand scanning in some common cases. From-SVN: r112642
2006-03-28timevar.def (TV_TREE_PHI_CPROP): New timevar.Jeff Law1-1/+1
* timevar.def (TV_TREE_PHI_CPROP): New timevar. * tree-ssa-dom.c (pass_phi_only_cprop): Use it. From-SVN: r112466
2006-03-28re PR tree-optimization/26796 (ACATS ICE c34002a c52005 spurious storage_error)Jeff Law1-3/+18
PR tree-optimization/26796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which need EH edge cleanups rather than purging them immediately. (eliminate_degenerate_phis): Handle queued EH cleanups. From-SVN: r112453
2006-03-24tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt directly.Jeff Law1-5/+5
* tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt directly. Call mark_new_vars_to_rename slightly earlier. * gcc.c-torture/pr26840.c: New test. From-SVN: r112365
2006-03-24tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work around bug in ↵Jeff Law1-0/+19
immediate-use iterator. * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work around bug in immediate-use iterator. * gcc.c-torture/compile/pr26833.c: New test. * gfortran.fortran-torture/compile/pr26806.f90: New test. From-SVN: r112348
2006-03-20tree-pass.h (pass_phi_only_copy_prop): Delete.Jeff Law1-0/+422
* tree-pass.h (pass_phi_only_copy_prop): Delete. (pass_phi_only_cprop): Declare. * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop with phi_only_cprop * tree-ssa-dom.c (degenerate_phi_result): New function. (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise. (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise. (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise. (eliminate_degenerate_phis): Likewise. (pass_phi_only_cprop): New pass descriptor. * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and support code. Callers updated. (execute_copy_prop, do_copy_prop): Likewise and corresponding changes. (store_copy_prop): Likewise. (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove. * gcc.dg/tree-ssa/pr21829.c: New test. From-SVN: r112242
2006-03-02tree-vrp.c (execute_vrp): Return value.Daniel Berlin1-1/+2
2006-03-02 Daniel Berlin <dberlin@dberlin.org> * gcc/tree-vrp.c (execute_vrp): Return value. * gcc/regrename.c (rest_of_handle_regrename): Ditto. * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto. * gcc/tree-complex.c (tree_lower_complex): Ditto. (tree_lower_complex_O0): Ditto. * gcc/tracer.c (rest_of_handle_tracer): Ditto. * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto. * gcc/postreload.c (rest_of_handle_postreload): Ditto. * gcc/tree-tailcall.c (execute_tail_recursion): Ditto. (execute_tail_calls): Ditto. * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * gcc/tree.h (init_function_for_compilation): Ditto. * gcc/ipa-cp.c (ipcp_driver): Ditto. * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto. * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto. * gcc/final.c (compute_alignments): Ditto. (rest_of_handle_final): Ditto. (rest_of_handle_shorten_branches): Ditto. (rest_of_clean_state): Ditto. * gcc/omp-low.c (execute_expand_omp): Ditto. (execute_lower_omp): Ditto. * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto. * gcc/ipa-reference.c (static_execute): Ditto. * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto. * gcc/reorg.c (rest_of_handle_delay_slots): Ditto. (rest_of_handle_machine_reorg): Ditto. * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto. * gcc/flow.c (recompute_reg_usage): Ditto. (rest_of_handle_remove_death_notes): Ditto. (rest_of_handle_life): Ditto. (rest_of_handle_flow2): Ditto. * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto. * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto. (do_ssa_store_ccp): Ditto. (execute_fold_all_builtins): Ditto. * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto. * gcc/modulo-sched.c (rest_of_handle_sms): Ditto. * gcc/ipa-pure-const.c (static_execute): Ditto. * gcc/cse.c (rest_of_handle_cse): Ditto. (rest_of_handle_cse2): Ditto. * gcc/web.c (rest_of_handle_web): Ditto. * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto. * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto. * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto. * gcc/tree-nrv.c (tree_nrv): Ditto. (execute_return_slot_opt): Ditto. * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto. (create_structure_vars): Ditto. * gcc/loop-init.c (rtl_loop_init): Ditto. (rtl_loop_done): Ditto. (rtl_move_loop_invariants): Ditto. (rtl_unswitch): Ditto. (rtl_unroll_and_peel_loops): Ditto. (rtl_doloop): Ditto. * gcc/gimple-low.c (lower_function_body): Ditto. (mark_used_blocks): Ditto. * gcc/tree-ssa-sink.c (execute_sink_code): Ditto. * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto. (cgraph_early_inlining): Ditto. * gcc/global.c (rest_of_handle_global_alloc): Ditto. * gcc/jump.c (cleanup_barriers): Ditto. (purge_line_number_notes): Ditto. * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto. (rest_of_handle_if_after_reload): Ditto. * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto. (tree_ssa_loop_im): Ditto. (tree_ssa_loop_unswitch): Ditto. (tree_vectorize): Ditto. (tree_linear_transform): Ditto. (tree_ssa_loop_ivcanon): Ditto. (tree_ssa_empty_loop): Ditto. (tree_ssa_loop_bounds): Ditto. (tree_complete_unroll): Ditto. (tree_ssa_loop_prefetch): Ditto. (tree_ssa_loop_ivopts): Ditto. (tree_ssa_loop_done): Ditto. * gcc/predict.c (tree_estimate_probability): Ditto. * gcc/recog.c (split_all_insns_noflow): Ditto. (rest_of_handle_peephole2): Ditto. (rest_of_handle_split_all_insns): Ditto. * gcc/tree-eh.c (lower_eh_constructs): Ditto. * gcc/regmove.c (rest_of_handle_regmove): Ditto. (rest_of_handle_stack_adjustments): Ditto. * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto. * gcc/function.c (instantiate_virtual_regs): Ditto. (init_function_for_compilation): Ditto. (rest_of_handle_check_leaf_regs): Ditto. * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto. (rest_of_handle_gcse): Ditto. * gcc/ipa-type-escape.c (type_escape_execute): Ditto. * gcc/alias.c (rest_of_handle_cfg): Ditto. * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto. * gcc/profile.c (rest_of_handle_branch_prob): Ditto. * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto. * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto. * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto * gcc/tree-dfa.c (find_referenced_vars): Ditto. * gcc/except.c (set_nothrow_function_flags): Ditto. (convert_to_eh_region_ranges): Ditto. (rest_of_handle_eh): Ditto. * gcc/emit-rtl.c (unshare_all_rtl): Ditto. (remove_unnecessary_notes): Ditto. * gcc/except.h (set_nothrow_function_flags): Ditto. (convert_to_eh_region_ranges): Ditto. * gcc/cfgexpand.c (tree_expand_cfg): Ditto. * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto. * gcc/tree-ssa-pre.c (do_pre): Ditto. (execute_fre): Ditto. * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto. (rest_of_handle_jump2): Ditto. * gcc/tree-sra.c (tree_sra): Ditto. * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto. (execute_mudflap_function_decls): Ditto. * gcc/tree-ssa-copy.c (do_copy_prop): Ditto. (do_store_copy_prop): Ditto. * gcc/ipa-prop.h (ipcp_driver): Ditto. * gcc/cfglayout.c (insn_locators_initialize): Ditto. * gcc/tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): Ditto. * gcc/cfglayout.h (insn_locators_initialize): Ditto. * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto. * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto. (execute_late_warn_uninitialized): Ditto. * gcc/rtl.h (cleanup_barriers): Ditto. (split_all_insns_noflow): Ditto. (purge_line_number_notes): Ditto. (unshare_all_rtl): Ditto. (remove_unnecessary_notes): Ditto. (recompute_reg_usage): Ditto. (variable_tracking_main): Ditto. * gcc/integrate.c (emit_initial_value_sets): Ditto. * gcc/integrate.h (emit_initial_value_sets): Ditto. * gcc/tree-optimize.c (execute_free_datastructures): Ditto (execute_free_cfg_annotations): Ditto. (execute_fixup_cfg): Ditto. (execute_cleanup_cfg_pre_ipa): Ditto. (execute_cleanup_cfg_post_optimizing): Ditto. (execute_init_datastructures): Ditto. * gcc/tree-object-size.c (compute_object_sizes): Ditto. * gcc/combine.c (rest_of_handle_combine): Ditto. * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto. * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto. (rest_of_handle_reorder_blocks): Ditto. (rest_of_handle_partition_blocks): Ditto. * gcc/var-tracking.c (variable_tracking_main): Ditto. * gcc/tree-profile.c (tree_profiling): Ditto. * gcc/tree-vect-generic.c (expand_vector_operations): Ditto. * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto. * gcc/sched-rgn.c (rest_of_handle_sched): Ditto. (rest_of_handle_sched2): Ditto. * gcc/basic-block.h (free_bb_insn): Ditto. * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto. * gcc/tree-cfg.c (execute_build_cfg): Ditto. (remove_useless_stmts): Ditto. (split_critical_edges): Ditto. (execute_warn_function_return): Ditto. (execute_warn_function_noreturn): Ditto. * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto. * gcc/cfgrtl.c (free_bb_for_insn): Ditto. * gcc/passes.c (execute_one_pass): Run additional todos returned by execute function. * gcc/tree-pass.h (struct tree_opt_pass): Make execute return a value. From-SVN: r111643
2006-03-01tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.Diego Novillo1-2/+2
* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG. Update all users. * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage. Update all users. (TODO_update_smt_usage): Rename from TODO_update_tmt_usage. Update all users. * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE. Update all users. * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag' to 'symbol_mem_tag'. Update all users. * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT rename. From-SVN: r111617
2006-03-01re PR tree-optimization/26443 (ICE in add_virtual_operand, at ↵Daniel Berlin1-2/+3
tree-ssa-operands.c:1867) 2006-03-01 Daniel Berlin <dberlin@dberlin.org> Fix PR tree-optimization/26443 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage to todo and PROP_tmt_usage to properties_destroyed. * tree-ssa-ccp.c (pass_ccp): Ditto. (pass_store_ccp): Ditto. * tree-ssa-dom.c (pass_dominator): Ditto. From-SVN: r111608
2006-02-16tree-vrp.c (set_value_range_to_nonnegative): New function.Jeff Law1-157/+6
* tree-vrp.c (set_value_range_to_nonnegative): New function. (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise. (ssa_name_nonzero_p): Likewise. (get_value_range): Return NULL if VRP is not running. (extract_range_from_expr): Fallback to tree_expr_XXX_p if VRP routines do not discover a range. (vrp_finalize): Clear VR_VALUE to indicate VRP is not running. * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype. * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP. (tree_expr_nonnegative_p): Similarly. * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove. (restore_nonzero_vars_to_original_value): Remove. (unsafe_associative_fp_binop): Remove. (tree_ssa_dominator_optimize): Remove initialization and finalization of nonzero_vars and nonzero_vars_stack. (dom_opt_initialize_block): No longer push marker on nonzero_vars_stack. (dom_opt_finalize_block): No longer call restore_nonzero_vars_to_original_value. (record_equivalences_from_phis): No longer look for nonzero PHI arguments. (cprop_into_successor_phis): No longer propagate nonzero property into PHI arguments. Lose unused argument. Caller updated. (record_equivalences_from_stmt): No longer record nonzero values for SSA_NAMEs. (lookup_avail_expr): No longer use nonzero_vars. * gcc.dg/tree-ssa/vrp24.c: Update expected output. * gcc.dg/tree-ssa/vrp26.c: New test. From-SVN: r111175
2006-02-15tree-ssa-dom.c (dom_thread_across_edge): fix tag expression construction.Marcin Dalecki1-1/+1
2006-02-15 Marcin Dalecki <martin@dalecki.de> * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression construction. From-SVN: r111019
2006-02-07tree-vrp.c (find_conditional_asserts): Update comments.Jeff Law1-952/+85
2006-02-07 Jeff Law <law@redhat.com> * tree-vrp.c (find_conditional_asserts): Update comments. (simplify_stmt_for_jump_threading): New. (identify_jump_threads, finalize_jump_threads): New. (vrp_finalize): Call identify_jump_threads. (execute_vrp): Call finalize_jump_threads. * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field. (vrp_element, vrp_data, vrp_element_p): Remove. (vrp_hash_elt, vrp_variables_stack): Remove. (vrp_hash, vrp_eq, record_range): Remove. (simplify_cond_and_lookup_avail_expr): Remove. (extract_range_from_cond): Remove. (thread_across_edge): Relocated into tree-ssa-threadedge.c. (simplify_stmt_for_jump_threading): New. (dom_thread_across_edge): New wrapper. (tree_ssa_dominator_optimize): No longer initialize or finalize any of the VRP datastructures. Remove iteration step and simplify as a result of removal of iteration step. (pass_dominator): Perform a cfg cleanup after DOM. (dom_opt_finalize_block): Use the new common routines for threading jumps. Simplify stack management slightly. No longer need to unwind VRP state. (record_equivalences_from_incoming_edge): No longer record VRP information. (eliminate_redundant_computations): No longer call simplify_cond_and_lookup_avail_expr. * tree-flow.h (potentially_threadable_block): Prototype. (thread_across_edge): Likewise. * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o (tree-ssa-threadedge.o): Add dependencies. * tree-ssa-threadedge.c: New file. * passes.c (init_optimization_passes): Merge PHIs before calling VRP. Run VRP again late in the SSA optimization pipeline. * gcc.dg/tree-ssa/vrp01.c: Update dumpfile names now that we have multiple VRP passes. * gcc.dg/tree-ssa/vrp09.c: Likewise. * gcc.dg/tree-ssa/vrp18.c: Likewise. * gcc.dg/tree-ssa/pr21582.c: Likewise. * gcc.dg/tree-ssa/pr20657.c: Likewise. * gcc.dg/tree-ssa/pr21001.c: Likewise. * gcc.dg/tree-ssa/vrp02.c: Likewise * gcc.dg/tree-ssa/vrp11.c: Likewise * gcc.dg/tree-ssa/pr14341.c: Likewise * gcc.dg/tree-ssa/vrp19.c: Likewise * gcc.dg/tree-ssa/vrp20.c: Likewise * gcc.dg/tree-ssa/vrp03.c: Likewise * gcc.dg/tree-ssa/pr21086.c: Likewise * gcc.dg/tree-ssa/pr21959.c: Likewise * gcc.dg/tree-ssa/vrp21.c: Likewise * gcc.dg/tree-ssa/vrp04.c: Likewise * gcc.dg/tree-ssa/pr25485.c: Likewise * gcc.dg/tree-ssa/pr22026.c: Likewise * gcc.dg/tree-ssa/vrp22.c: Likewise * gcc.dg/tree-ssa/vrp05.c: Likewise * gcc.dg/tree-ssa/20030807-10.c: Likewise * gcc.dg/tree-ssa/pr20701.c: Likewise * gcc.dg/tree-ssa/vrp23.c: Likewise * gcc.dg/tree-ssa/vrp06.c: Likewise * gcc.dg/tree-ssa/pr22117.c: Likewise * gcc.dg/tree-ssa/pr20702.c: Likewise * gcc.dg/tree-ssa/vrp15.c: Likewise * gcc.dg/tree-ssa/pr21090.c: Likewise * gcc.dg/tree-ssa/pr21294.c: Likewise * gcc.dg/tree-ssa/vrp24.c: Likewise * gcc.dg/tree-ssa/vrp07.c: Likewise * gcc.dg/tree-ssa/pr21563.c: Likewise * gcc.dg/tree-ssa/pr25382.c: Likewise * gcc.dg/tree-ssa/vrp16.c: Likewise * gcc.dg/tree-ssa/vrp25.c: Likewise * gcc.dg/tree-ssa/vrp08.c: Likewise * gcc.dg/tree-ssa/20030807-6.c: Likewise * gcc.dg/tree-ssa/vrp17.c: Likewise * gcc.dg/tree-ssa/pr21458.c: Likewise * g++.dg/tree-ssa/pr18178.C: Likewise From-SVN: r110705
2006-01-11tree-ssa-threadupdate.c (threaded_edges): New VEC to hold edge pairs.Jeff Law1-14/+3
* tree-ssa-threadupdate.c (threaded_edges): New VEC to hold edge pairs. (mark_threaded_blocks, register_jump_thread): New functions. (thread_through_all_blocks): Remove unwanted argument. No longer rely on e->aux to communicate thread target info. Call mark_threaded_blocks. Release the threaded_blocks bitmap and threaded_edges vector when complete. * tree-ssa-dom.c (struct edge_info): Remove redirection_target field. (threaded_blocks): Remove. (tree_ssa_dominator_optimize): Remove initialization and finalization of threaded_blocks. Simplify call to thread_through_all_blocks. (thread_across_edge): Call register_jump_thread rather than storing thread information into e->aux. (free_all_edge_infos): Simplify now that e->aux is no longer used to communicate with thread_through_all_blocks. * tree-flow.h (thread_through_all_blocks): Update prototype. (register_jump_thread): Prototype. From-SVN: r109602
2006-01-09tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove code to ↵Jeff Law1-143/+7
propagate the RHS of a cast into COND_EXPR_COND. * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove code to propagate the RHS of a cast into COND_EXPR_COND. Remove now unused arguments. Callers updated. (eliminate_redundant_computations): Remove now unused arguments, callers updated. (local_fold): Remove, no longer used. (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c and moved to... * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here. (simplify_cond): New function. (forward_propagate_into_cond): Call simplify_cond. From-SVN: r109502
2005-12-19tree-ssa-dom.c (thread_across_edge): Do not use local_fold.Jeff Law1-3/+8
* tree-ssa-dom.c (thread_across_edge): Do not use local_fold. Strip away all type conversions after simplifying the condition. * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some cases the forwarder block dominates the destination. From-SVN: r108833
2005-12-19tree-flow.h (struct stmt_ann_d): Remove makes_aliased_loads and ↵Zdenek Dvorak1-2/+1
makes_aliased_stores fields. * tree-flow.h (struct stmt_ann_d): Remove makes_aliased_loads and makes_aliased_stores fields. * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores and makes_aliased_loads fields. * tree-ssa-dom.c (eliminate_redundant_computations): Do not use makes_aliased_stores. * tree-ssa-operands.c (clobbered_aliased_loads, clobbered_aliased_stores, ro_call_aliased_loads): Removed. (build_ssa_operands, add_stmt_operand, add_call_clobber_ops, add_call_read_ops): Do not set makes_aliased_stores and makes_aliased_loads fields. * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores field. From-SVN: r108766
2005-12-18tree-tailcall.c (find_tail_calls): Use XNEW.Gabriel Dos Reis1-22/+22
* tree-tailcall.c (find_tail_calls): Use XNEW. * tree-ssa-dom.c (allocate_edge_info): Use XCNEW. (free_all_edge_infos): Use explicit cast to convert from void * *. (vrp_free): Likewise. (dom_opt_finalize_block): Likewise. (record_equivalences_from_incoming_edge): Likewise. (thread_across_edge): Likewise. Use XCNEWVEC. (record_cond): Use XCNEW. (record_conditions): Use XNEWVEC. (record_edge_info): Use XCNEWVEC. (lookup_avail_expr): Use XNEW. (record_range): Likewise. Use GGC_NEW. * tree-nested.c (var_map_hash): Use explicit cast to convert * from void *. (var_map_eq): Likewise. (lookup_field_for_decl): Likewise. (convert_nonlocal_reference): Likewise. (convert_local_reference): Likewise. (convert_nl_goto_reference): Likewise. (convert_nl_goto_receiver): Likewise. (convert_call_expr): Likewise. (convert_tramp_reference): Likewise. (lookup_tramp_for_decl): Likewise.Use GGC_NEW. (convert_nl_goto_reference): Likewise. (lookup_field_for_decl): Use GGC_NEW. (create_nesting_tree): Use GGC_CNEW. * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC. * tree-ssa-alias.c (init_alias_info): Use XCNEW. (create_alias_map_for): Likewise. (setup_pointers_and_addressables): Use XCNEWVEC. (get_ptr_info): Use GGC_NEW. (used_part_map_eq): Use explicit cast to convert from void *. (up_lookup): Likewise. (up_insert): Use XNEW. (get_or_create_used_part_for): Use XCNEW. (get_tmt_for): Likewise. * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW. * tree-ssa-pre.c (phi_trans_add): Use XNEW. (bitmap_set_new): Use explicit cast to convert from void *. (set_new): Likewise. (insert_into_set): Likewise. (pool_copy_list): Likewise. (phi_translate): Likewise. (create_value_expr_from): Likewise. (insert_aux): Use XCNEWVEC. (compute_avail): Use XNEWVEC. * tree-ssa-live.c (calculate_live_on_entry): Likewise. (sort_coalesce_list): Likewise. (build_tree_conflict_graph): Use XCNEWVEC. * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC. * tree-ssa-copy.c (init_copy_prop): Likewise. (fini_copy_prop): Likewise. * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use * XNEW and XCNEWVEC. (record_equiv): Use XNEW. (uncprop_into_successor_phis): Use explicit cast to convert * from void *. (uncprop_initialize_block): Likewise. From-SVN: r108747
2005-12-18tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code to simplify ↵Jeff Law1-65/+0
SWITCH_EXPR_CODE moved from here to ... * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code to simplify SWITCH_EXPR_CODE moved from here to ... * tree-ssa-forwprop.c (simplify_switch_expr): Here. (tree-ssa-forward_propagate_single_use_vars): Call simplify_switch_expr when appropriate. From-SVN: r108738
2005-12-17tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.Jeff Law1-114/+3
* tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill. (simplify_rhs_and_lookup_avail_expr): Kill. Remnants moved into tree-ssa-forwprop.c. (eliminate_redundant_computations): Do not call simplify_rhs_and_lookup_avail_expr anymore. * tree-ssa-forwprop.c (simplify_not_neg_expr): New function extracted from remnants of simplify_rhs_and_lookup_avail_expr. (tree_ssa_forward_propagate_single_use_vars): Call simplify_not_neg_expr appropriately. From-SVN: r108711
2005-12-14tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer to a structure ↵Jeff Law1-10/+0
containing state rather than a... * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer to a structure containing state rather than a pointer to bool. (case ARRAY_REF): New code to handle folding some array references. (case ADDR_EXPR): Note when we are processing expressions found within an ADDRE_EXPR. (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r for state variables rather than just a pointer to a boolean. * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove handling of constant string references. * gcc.dg/tree-ssa/foldstring-1.c: New test. From-SVN: r108519
2005-12-12tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove reassociation code.Jeff Law1-93/+54
* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove reassociation code. * passes.c (init_optimization_passes): Run reassociation again after loop optimizations. * tree-ssa-dom.c (thread_across_edge): Canonicalize condition if necessary. (optimize_stmt): Ditto. (canonicalize_comparison): New function. * tree-ssa-operands.c (swap_tree_operands): Make external. (get_expr_operands): Stop auto-canonicalization. * tree-ssa-reassoc.c: Rewrite. (init_optimization_passes): * tree-flow.h (swap_tree_operands): Prototype. * Makefile.in (tree-ssa-reassoc.o): Update dependencies. * gcc.dg/tree-ssa/ssa-pre-2.c: Update due to reassociation changes. * gcc.dg/tree-ssa/reassoc-1.c: Likewise. * gcc.dg/tree-ssa/reassoc-2.c: Likewise. * gcc.dg/tree-ssa/reassoc-3.c: Likewise. * gcc.dg/tree-ssa/reassoc-4.c: Likewise. * gcc.dg/tree-ssa/reassoc-5.c: New. * gcc.dg/tree-ssa/reassoc-6.c: New. * gcc.dg/tree-ssa/reassoc-7.c: New. * gcc.dg/tree-ssa/reassoc-8.c: New. * gcc.dg/tree-ssa/reassoc-9.c: New. * gcc.dg/tree-ssa/reassoc-10.c: New. * gcc.dg/tree-ssa/reassoc-11.c: New. From-SVN: r108425
2005-12-09tree.c (recompute_tree_invariant_for_addr_expr): Rename from ↵Diego Novillo1-1/+1
recompute_tree_invarant_for_addr_expr. * tree.c (recompute_tree_invariant_for_addr_expr): Rename from recompute_tree_invarant_for_addr_expr. Update uses everywhere. From-SVN: r108316
2005-12-02tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.Richard Guenther1-11/+11
2005-12-02 Richard Guenther <rguenther@suse.de> * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build. * tree-complex.c (update_complex_assignment, expand_complex_div_wide): Likewise. * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref, maybe_fold_offset_to_component_ref): Likewise. * tree-ssa-dom.c (thread_across_edge, simplify_rhs_and_lookup_avail_expr, find_equivalent_equality_comparison, record_equivalences_from_stmt): Likewise. * gimple-low.c (lower_function_body, lower_return_expr): Likewise. * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions, lower_try_finally_switch): Likewise. * tree-if-conv.c (add_to_dst_predicate_list, replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise. * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter, voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr, gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr, gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr, shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr, gimplify_init_ctor_eval, gimplify_init_constructor, gimplify_variable_sized_compare, gimplify_boolean_expr, gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr, gimplify_expr, gimplify_body, gimplify_function_tree, force_gimple_operand): Likewise. * tree-ssa-pre.c (create_expression_by_pieces): Likewise. * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for, mx_register_decls): Likewise. * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain, get_frame_field, finalize_nesting_tree_1): Likewise. * tree-inline.c (setup_one_parameter): Likewise. * tree-vect-transform.c (vectorizable_condition): Likewise. * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies): Likewise. * tree-profile.c (tree_gen_edge_profiler): Likewise. * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise. * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise. * tree-chrec.h (build_polynomial_chrec): Likewise. From-SVN: r107907
2005-11-18tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds on types.Richard Kenner1-4/+12
* tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds on types. From-SVN: r107182
2005-11-10tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not perform ↵Jeff Law1-0/+1
reassociation if the parent statement will not die as a result... * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not perform reassociation if the parent statement will not die as a result of the optimization. From-SVN: r106744
2005-11-04invoke.texi: Document max-jump-thread-duplication-stmts PARAM.Jeff Law1-0/+16
* doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM. * tree-ssa-dom.c: Include params.h. (thread_across_edge): If there are too many statements in the target block, then do not thread through it. * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H). * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM. From-SVN: r106503
2005-10-07tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to determine whether ↵Jeff Law1-12/+10
or not to try and thread outgoing edges. * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to determine whether or not to try and thread outgoing edges. From-SVN: r105091
2005-10-04re PR tree-optimization/23049 (ICE with -O3 -ftree-vectorize on 4.1.x)Steven Bosscher1-7/+26
2005-10-05 Steven Bosscher <stevenb@suse.de> gcc/ PR tree-optimization/23049 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition of a COND_EXPR is folded before calling fold on the whole rhs of a conditional assignment. * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to document that a COND_EXPR may appear there. testsuite/ * gcc.dg/pr23049.c: New test. * gcc.dg/ucnid-4.c: Fix test. From-SVN: r104938
2005-09-26tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective about when ↵Jeff Law1-1/+5
to iterate. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective about when to iterate. From-SVN: r104658
2005-08-02tree-ssa-dom.c (thread_across_edge): Remove updating here.Jan Hubicka1-2/+0
* tree-ssa-dom.c (thread_across_edge): Remove updating here. (thread_block): Add it here. * update-threading.c: New test. From-SVN: r102648
2005-07-29tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.Diego Novillo1-0/+6
* tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations. (tree_ssa_dominator_optimize): Increment it. (dump_dominator_optimization_stats): Print it. From-SVN: r102553
2005-07-28builtins.c: Fix comment typo(s).Volker Reichelt1-3/+3
* builtins.c: Fix comment typo(s). * genautomata.c: Likewise. * gimplify.c: Likewise. * tree-dfa.c: Likewise. * tree-flow-inline.h: Likewise. * tree-into-ssa.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-tailcall.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. From-SVN: r102491
2005-07-20tree.h (tree_expr_nonzero_p): Export.James A. Morrison1-1/+1
2005-07-20 James A. Morrison <phython@gcc.gnu.org> * tree.h (tree_expr_nonzero_p): Export. * fold-const.c (tree_expr_nonzero_p): Likewise. Return true for CALL_EXPRs that are alloca calls. (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs against zero. * tree-flow.h (expr_computes_nonzero): Remove. * tree-vrp.c (expr_computes_nonzero): Remove. (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p. (extract_range_from_unary_expr): Likewise. * tree-ssa-dom.c (record_equivalences_from_stmt): Use tree_expr_nonzero_p. From-SVN: r102201
2005-07-13tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed structure as ↵David Edelsohn1-1/+1
argument. * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed structure as argument. From-SVN: r101971
2005-07-12re PR tree-optimization/22335 (DOM creates mis-matched types)Andrew Pinski1-8/+20
2005-07-12 Andrew Pinski <pinskia@physics.uc.edu> PR tree-opt/22335 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if requiring a cast in a non RHS of modify_expr. Add a cast when required. (lookup_avail_expr): Use constant_boolean_node instead of boolean_false_node/boolean_true_node. From-SVN: r101929
2005-07-02tree-ssa-dom.c (find_equivalent_equality_comparison): Do not a eliminate ↵Jeff Law1-0/+22
type conversion which feeds an equality comparison if... * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not a eliminate type conversion which feeds an equality comparison if the original type or either operand in the comparison is a function pointer. * gcc.dg/tree-ssa/pr22051-1.c: New test. * gcc.dg/tree-ssa/pr22051-2.c: New test. From-SVN: r101534
2005-06-25Update FSF address.Kelley Cook1-2/+2
From-SVN: r101317
2005-06-13tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer simplify DIV, ↵Jeff Law1-133/+8
MOD or ABS expressions using VRP information. * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer simplify DIV, MOD or ABS expressions using VRP information. Remove WALK_DATA parameter. Prototype and all callers updated. (eliminate_redundant_computations): Remove WALK_DATA parameter. Prototype and all callers updated. (optimize_stmt): WALK_DATA parameter is now unused. * tree-vrp.c (local_fold): New function. Like fold, but strips useless type conversions in the result. (simplify_using_ranges): New function, largely cribbed from tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr. (vrp_finalize): Call simplify_using_ranges. * gcc.dg/tree-ssa/20030807-10.c: VRP is now expected to perform the desired transformations. * gcc.dg/tree-ssa/20030806-6.c: Similarly. * gcc.dg/tree-ssa/20040514-2.c: Similarly. From-SVN: r100909
2005-06-03tree-ssa-dom.c (record_edge_info): Use last_basic_block to allocate info array.Diego Novillo1-1/+1
* tree-ssa-dom.c (record_edge_info): Use last_basic_block to allocate info array. * tree-vrp.c (extract_range_from_unary_expr): Set resulting range to varying in cast expressions that change TYPE_PRECISION. testsuite/ChangeLog * gcc.dg/tree-ssa/vrp14.c: New test. From-SVN: r100554
2005-06-01basic-block.h, [...]: Don't include errors.h and include toplev.h if necessary.Kaveh R. Ghazi1-1/+0
* basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c, config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c, lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c, tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c, tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c, tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c, tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c, tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c, tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include errors.h and include toplev.h if necessary. * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include errors.h otherwise include toplev.h. * Makefile.in: Update dependencies. ada: * misc.c: Don't include errors.h. fortran: * fortran/trans-decl.c: Don't include errors.h. * fortran/Make-lang.in: Updates dependencies. java: * java/verify-glue.c: Don't include errors.h and include toplev.h. * java/Make-lang.in: Updates dependencies. treelang: * treelang/lex.l, treelang/parse.y: Don't include errors.h and include toplev.h. * treelang/Make-lang.in: Updates dependencies. From-SVN: r100420
2005-05-28tree-ssa-dom.c (vrp_element_p): Define.Kazu Hirata1-22/+33
* tree-ssa-dom.c (vrp_element_p): Define. (vrp_hash_elt): Change the type of records to VEC(vrp_element_p,heap). (vrp_free): New. (tree_ssa_dominator_optimize): Pass vrp_free to htab_create. Update uses of VRP records. (simplify_cond_and_lookup_avail_expr, record_range): Update uses of VRP records. From-SVN: r100293
2005-05-27basic-block.h (basic_block_def): Add phi_nodes and predictions.Kazu Hirata1-2/+9
* basic-block.h (basic_block_def): Add phi_nodes and predictions. Remove tree_annotations. * predict.c (tree_predicted_by_p, tree_predict_edge, combine_predictions_for_bb): Adjust references to predictions. * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call create_block_annotation. (create_block_annotation, free_blocks_annotatios, clear_blocks_annotations): Remove. (dump_cfg_stats): Don't print out the memory spent on bb_ann_d. (delete_tree_cfg_annotations): Don't call free_blocks_annotations. * tree-flow-inline.h (bb_ann): Remove. (phi_nodes, set_phi_nodes): Update references to phi_nodes. * tree-flow.h (bb_ann_d): Remove. * tree-if-conv.c (process_phi_nodes): Update a reference to phi_nodes. * tree-phinodes.c (reserve_phi_args_for_new_edge, create_phi_node, remove_phi_node): Likewise. * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann. * tree-ssa-dom.c (threaded_blocks): New. (tree_ssa_dominator_optimize): Initialize, clear, and free threaded_blocks. Update a call to thread_through_all_blocks. (thread_across_edge): Use threaded_blocks instead of setting incoming_edge_threaded. * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take a bitmap of blocks that are threaded through. * tree.h: Move the prototype of threaded_through_blocks to tree-flow.h. From-SVN: r100279
2005-05-27tree-into-ssa.c (update_ssa): Ensure that the operand cache is up-to-date.Kazu Hirata1-9/+9
* tree-into-ssa.c (update_ssa): Ensure that the operand cache is up-to-date. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call update_stmt_if_modified before calling update_ssa. From-SVN: r100250
2005-05-23tree-ssa-dom.c (cprop_into_stmt): Do not call ↵Jeff Law1-8/+6
recompute_tree_invariant_for_addr_expr here. * tree-ssa-dom.c (cprop_into_stmt): Do not call recompute_tree_invariant_for_addr_expr here. (optimize_stmt): Call it here instead and do so if anything at all has changed in the statement and the RHS is an ADDR_EXPR. * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If needed, call recompute_tree_invariant_for_addr_expr. * tree-ssa-propagate.c (substitute_and_fold): Call recompute_tree_invariant_for_addr_expr as needed. * gcc.c-torture/compile/pr21638.c: New test. * gcc.c-torture/compile/20050520-1.c: New test. From-SVN: r100092
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