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(vector_type, -1))
PR tree-optimization/26996
* tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
VECTOR_TYPE variables.
From-SVN: r112700
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build_int_cst instead of build_int_cst_type.
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
set_nb_iterations_in_loop): Use build_int_cst instead of
build_int_cst_type.
* tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
build_int_cst instead of convert.
From-SVN: r112673
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build_polynomial_chrec)
PR bootstrap/26992
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
the type of nb_iter.
(instantiate_parameters_1): Convert the operands before calling
chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
* tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
From-SVN: r112635
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* tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
at_stmt. Convert the type of operands before calling
build_polynomial_chrec.
(add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
add_to_evolution_1.
(follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
(instantiate_parameters_1): Convert the type of operands before calling
build_polynomial_chrec.
* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
reset_evolution_in_loop): Insert asserts to check the types of the
operands.
(chrec_type): Moved...
(eq_evolutions_p): Use operand_equal_p.
* tree-chrec.h (build_polynomial_chrec): Insert an assert to check
the types of the operands.
(chrec_type): ...here.
* tree-data-ref.c (create_data_ref): Convert the operands before
calling chrec_replace_initial_condition.
(same_access_functions, analyze_subscript_affine_affine,
analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
(compute_subscript_distance, analyze_ziv_subscript,
analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
analyze_miv_subscript): Convert the operands before calling
chrec_fold_minus or chrec_fold_plus.
From-SVN: r112621
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clatm5.f (lapack))
PR tree-optimization/26524
* tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
fold_convert to create a constant of the appropriate type.
* gfortran.dg/pr26524.f: New test case.
From-SVN: r111676
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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
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2006-02-02 Paolo Bonzini <bonzini@gnu.org>
* tree-flow-inline.h (bsi_after_labels): Rewrite, return
what its name says.
* lambda-code.c (perfect_nestify): Use bsi_insert_before on
bsi_after_labels iterator.
* tree-if-conv.c (find_phi_replacement_condition,
replace_phi_with_cond_modify_expr): Likewise.
* tree-scalar-evolution.c (scev_const_prop): Likewise.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
From-SVN: r110514
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loops with <=)
PR tree-optimization/18527
* tree-ssa-loop-niter.c (number_of_iterations_cond,
number_of_iterations_special, number_of_iterations_exit):
Move base and step of an iv to a single structure. Add
no_overflow flag, and use it in # of iterations analysis.
* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
folded_casts argument.
(simple_iv): Pass base and step in a structure. Set no_overflow
flag.
(scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
Evaluate expensiveness of computing # of iterations instead of
the final expression.
* tree-scalar-evolution.h (affine_iv): New structure.
(simple_iv): Declaration changed.
* tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
find_givs_in_stmt): Changed due to simple_iv change.
* gcc.dg/tree-ssa/loop-15.c: New test.
From-SVN: r109427
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* tree-vn.c (vn_add): Use XNEW.
* tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
(ccp_fold): Likewise.
(fold_stmt_r): Use explicit cast to convert from void *.
* tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
(new_temp_expr_table): Likewise.
* gimplify.c (lookup_tmp_var): Use XNEW.
(gimplify_asm_expr): Use explcit cast to convert from void *.
* tree-into-ssa.c (get_ssa_name_ann): Likewise.
(get_def_blocks_for): Use XNEW.
(add_to_repl_tbl): Likewise.
(mark_def_sites): Use explicit cast to convert from void *.
(def_blocks_free): Likewise.
(mark_def_sites_initialize_block): Likewise.
(update_ssa): Use XNEWVEC.
* tree-dfa.c (create_var_ann): Use GGC_NEW.
(create_stmt_ann): Likewise.
(create_tree_ann): Likewise.
(referenced_var_insert): Likewise.
(set_default_def): Likewise.
(referenced_var_lookup_if_exists): Use explicit cast to
* convert
from void *.
(referenced_var_lookup): Likewise.
(default_def): Likewise.
(set_default_def): Likewise.
* tree-cfg.c (create_bb): Likewise.
(edge_to_cases_cleanup): Likewise.
(verify_node_sharing): Likewise.
(record_switch_edge): Use XNEW.
(cleanup_dead_labels): Use XCNEWVEC.
(tree_duplicate_sese_region): Use XNEWVEC.
* tree-scalar-evolution.c (get_instantiated_value): Likewise.
* tree-ssa.c (verify_ssa): Use XCNEWVEC.
(int_tree_map_eq): Use explicit cast to convert from void *.
* libgcov.c (gcov_exit): Use explicit cast to convert from
* void *.
(__gcov_execl): Likewise.
(__gcov_execlp): Likewise.
(__gcov_execle): Likewise.
* tree-eh.c (struct_ptr_eq): Likewise.
(struct_ptr_hash): Likewise.
(lookup_stmt_eh_region_fn): Likewise.
(outside_finally_tree): Likewise.
(find_goto_replacement): Likewise.
(make_eh_edge): Likewise.
(mark_eh_edge): Likewise.
(add_stmt_to_eh_region_fn): Use GGC_NEW.
(record_in_finally_tree): Use XNEW.
(maybe_record_in_goto_queue): Use XRESIZEVEC.
(lower_try_finally_copy): Use XCNEWVEC.
From-SVN: r108736
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* tree-inline.c (copy_body_r): Use explicit cast when
converting
from void *.
(copy_bb): Likewise.
(copy_edges_for_bb): Likewise.
(remap_decl_1): Likewise.
(estimate_num_insns_1): Likewise.
* cgraph.c (hash_node): Use explicit cast when converting from
void *.
(eq_node): Likewise.
(cgraph_create_node): Use GGC_CNEW.
(cgraph_create_edge): Use GGC_NEW.
(cgraph_remove_node): Use explicit cast when converting from
void *.
(hash_varpool_node): Likewise.
(eq_varpool_node): Likewise.
(cgraph_varpool_node): Use GGC_CNEW.
* lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
* tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
(eq_scev_info): Use explicit cast when converting from void *.
(find_var_scev_info): Likewise.
(set_instantiated_value): Likewise.
(gather_stats_on_scev_database_1): Likewise.
* cfgloop.h (simple_loop_desc): Use explicit cast when
converting
from void *.
* c-pch.c (c_common_write_pch): Use XNEWVEC.
(c_common_read_pch): Likewise.
* prefix.c (save_string): Use XNEWVEC.
(translate_name): Use explicit cast when converting from void
*.
* c-ppoutput.c (print_line): Use explicit cast when converting
from void *.
(pp_dir_change): Likewise.
* c-cppbuiltin.c (builtin_define_std): Likewise.
(builtin_define_with_value): Likewise.
(builtin_define_with_value_n): Likewise.
(builtin_define_with_int_value): Likewise.
(builtin_define_type_max): Likewise.
* c-incpath.c (add_env_var_paths): Use XNEWVEC.
(add_path): Use XNEW.
* c-format.c (check_format_info_main): Use GGC_NEW.
(format_type_warning): Use explicit cast when converting from
void *.
* c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
xmalloc.
(start_init): Likewise.
* tree-flow-inline.h (first_referenced_var): Use explicit cast
when converting from void *.
(next_referenced_var): Likewise.
* c-pragma.c (push_alignment): Use GGC_NEW instead of
ggc_alloc.
* gensupport.c (lookup_predicate): Use explicit cast to
convert
from void *.
(init_predicate_table): Use XCNEW instead of xcalloc.
* genpreds.c (process_define_predicate): Likewise.
From-SVN: r108723
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PR tree-optimization/25248
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
evolution_of_loop from the failed attempt. Remove handling
of MULT_EXPR.
From-SVN: r108225
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* tree-scalar-evolution.c (expression_expensive_p): New function.
(scev_const_prop): Use compute_overall_effect_of_inner_loop.
* gcc.dg/tree-ssa/loop-14.c: New test.
From-SVN: r107170
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2005-11-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/24716
* tree-scalar-evolution.c (analyze_evolution_in_loop): Use
t_bool to track results from follow_ssa_edge.
* gcc.c-torture/execute/pr24716.c: New testcase.
From-SVN: r106700
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of an expression to be instantiated and give up the...
PR/18595
* tree-scalar-evolution.c (instantiate_parameters_1,
instantiate_parameters, resolve_mixers): Compute the size of an
expression to be instantiated and give up the instantiation if the
size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
From-SVN: r106501
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to compile)
PR tree-optimization/23942
* Makefile.in (SCEV_H): Depends on PARAMS_H.
* tree-scalar-evolution.c: Include params.h.
(t_bool): New enum.
(follow_ssa_edge, follow_ssa_edge_in_rhs,
follow_ssa_edge_in_condition_phi_branch,
follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
Change return type to t_bool. Use a parameter to limit the size of
trees that are walked before stopping
(analyze_evolution_in_loop): Initialize the limit to 0.
(follow_ssa_edge): Give up by returning t_dont_know if the limit
exceeds PARAM_SCEV_MAX_EXPR_SIZE.
From-SVN: r104653
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PR tree-optimization/18463
* tree-chrec.c (chrec_convert): Return fold_converted chrec if
converting it directly is not possible.
(chrec_convert_aggressive): New function.
* tree-chrec.h (chrec_convert_aggressive): Declare.
* tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
Fold chrec conversions aggressively if asked to.
(instantiate_parameters): Modified because of changes in
instantiate_parameters_1.
From-SVN: r104443
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* Makefile.in (tree-chrec.o): Depends on SCEV_H.
* tree-chrec.c: Include tree-scalar-evolution.h.
(chrec_convert): Instantiate the base and step before calling
scev_probably_wraps_p that would fail on parametric evolutions.
Collect all the fails into a single section failed_to_convert,
print a diagnostic, and return chrec_dont_know instead of calling
fold_convert.
* tree-scalar-evolution.c (loop_closed_phi_def): New.
(instantiate_parameters_1): Avoid instantiation of loop closed ssa
phi nodes.
(scev_const_prop): Don't replace the definition of a loop closed ssa
phi node by itself, or by another loop closed ssa phi node.
* tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
that base and step are defined.
From-SVN: r104092
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PR 23391
* Makefile.in (tree-chrec.o): Depends on real.h.
* tree-chrec.c: Include real.h.
(chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
* tree-scalar-evolution.c (add_to_evolution_1,
interpret_rhs_modify_expr): Ditto.
From-SVN: r103109
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PR tree-optimization/22236
* tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
successors and predecessors.
* tree-chrec.c (chrec_convert): Before converting, check that
sequences don't wrap.
* tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
(analyze_array): Extern.
(find_data_references_in_loop): Remove call to
compute_estimated_nb_iterations.
* tree-data-ref.h (analyze_array): Declared.
* tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
single_ssa_def_operand, zero_ssa_operands): Fix documentation.
* tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
* tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
condition.
* tree-ssa-loop-ivcanon.c: Fix documentation.
* tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
* tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
(infer_loop_bounds_from_undefined): New.
(estimate_numbers_of_iterations_loop): Use
infer_loop_bounds_from_undefined.
(used_in_pointer_arithmetic_p): New.
(scev_probably_wraps_p): Pass an extra parameter. Call
used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
(convert_step): Fix documentation.
* tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
Use initial_condition_in_loop_num and evolution_part_in_loop_num
instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
scev_probably_wraps_p.
From-SVN: r103055
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PR tree-optimization/23157
* tree-scalar-evolution.c (scev_const_prop): Unshare trees
before emitting them.
From-SVN: r102704
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integer_cst in const_binop, at fold-const.c:1490 with -ftree-vectorize -msse2)
PR tree-optimization/19899
* Makefile.in (tree-scalar-evolution.o): Add real.h.
* tree-scalar-evolution.c: Include real.h.
(add_to_evolution): Build constant -1 of correct type.
* gcc.dg/tree-ssa/scev-1.c: New test.
* gcc.dg/tree-ssa/scev-2.c: New test.
From-SVN: r102695
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PR tree-optimization/22325
* tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
Declare.
* tree-scalar-evolution.c (scev_const_prop): Add generic final
value replacement.
* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
(force_var_cost): ... this function.
(compute_phi_arg_on_exit): Export.
From-SVN: r102426
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|
gcc:
2005-07-21 Paolo Bonzini <bonzini@gnu.org>
Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/19210
* common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
New.
* Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
* loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
rely on unproven assumptions.
* predict.c (predict_loops): Adjust call to number_of_iterations_exit.
* tree-flow.h (number_of_iterations_exit): Add final parameter.
* tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
to number_of_iterations_exit.
* tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
* tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
* tree-ssa-loop-niter.c (find_loop_niter,
estimate_numbers_of_iterations_loop): Likewise.
(number_of_iterations_exit): Honor the new options.
* doc/invoke.texi (Wunsafe-loop-optimizations,
funsafe-loop-optimizations): Document them.
gcc/testsuite:
2005-07-21 Paolo Bonzini <bonzini@gnu.org>
* gcc.dg/tree-ssa/pr19210-1.c: New.
* gcc.dg/tree-ssa/pr19210-2.c: New.
Co-Authored-By: Zdenek Dvorak <dvorakz@suse.cz>
From-SVN: r102225
|
|
* builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c,
convert.c, lambda-code.c, predict.c, tree-cfg.c,
tree-complex.c, tree-data-ref.c, tree-if-conv.c,
tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c,
tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c,
tree.c: Use fold_buildN instead of fold (buildN (...)).
From-SVN: r101338
|
|
From-SVN: r101317
|
|
* Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
* tree-chrec.c: Include cfgloop.h and tree-flow.h.
(evolution_function_is_invariant_rec_p,
evolution_function_is_invariant_p): New.
(chrec_convert): Use an extra parameter AT_STMT for refining the
information that is passed down to convert_step. Integrate the
code that was in count_ev_in_wider_type.
* tree-chrec.h (count_ev_in_wider_type): Removed.
(chrec_convert): Modify its declaration.
(evolution_function_is_invariant_p): Declared.
(evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
* tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
(scev_probably_wraps_p): Declared.
* tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
(follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
Use an extra parameter AT_STMT for refining the information that is
passed down to convert_step.
(follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
analyze_scalar_evolution_1): Initialize AT_STMT with the current
analyzed statement.
(instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
* tree-ssa-loop-ivopts.c (idx_find_step): Update the use of
can_count_iv_in_wider_type to use convert_step.
* tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move
code that is independent of the loop over the known iteration
bounds to convert_step_widening, the rest is moved to
proved_non_wrapping_p.
(scev_probably_wraps_p): New.
(can_count_iv_in_wider_type): Renamed convert_step.
* tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
Use scev_probably_wraps_p for computing init_is_max.
(vrp_visit_assignment): Pass the current analyzed statement to
adjust_range_with_scev.
(execute_vrp): Call estimate_numbers_of_iterations for refining the
information provided by scev analyzer.
testsuite:
* testsuite/gcc.dg/vect/vect-77.c: Remove xfail from lp64.
* testsuite/gcc.dg/vect/vect-78.c: Same.
From-SVN: r100718
|
|
-funroll-loops)
PR tree-optimization/21846
* tree-cfg.c (replace_uses_by): Update information stored at loops.
* tree-flow.h (substitute_in_loop_info): Declare.
* tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
Ensure that chrec_dont_know and chrec_known have a type.
* tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
From-SVN: r100631
|
|
* 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
|
|
* timevar.def (TV_SCEV_CONST): New timevar.
* tree-optimize.c (init_tree_optimization_passes): Add
pass_scev_cprop.
* tree-pass.h (pass_scev_cprop): Declare.
* tree-scalar-evolution.c (scev_const_prop): New function.
* tree-scalar-evolution.h (scev_const_prop): Declare.
* tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
New.
* tree-cfg.c (replace_uses_by): Export.
* tree-flow.h (replace_uses_by): Declare.
From-SVN: r99860
|
|
TREE_OVERFLOW on INTEGER_CST trees.
* tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
check for TREE_OVERFLOW on INTEGER_CST trees.
* tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
CONSTANT_CLASS_P tree nodes.
From-SVN: r99765
|
|
VARRAY.
* tree-scalar-evolution.c (get_exit_conditions_rec,
select_loops_exit_conditions,
number_of_iterations_for_all_loops,
analyze_scalar_evolution_for_all_loop_phi_nodes,
scev_analysis): Use VEC instead of VARRAY.
From-SVN: r99093
|
|
PR tree-optimization/18316
PR tree-optimization/19126
* tree.c (build_int_cst_type): Avoid shift by size of type.
* tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
argument.
* tree-scalar-evolution.h (simple_iv): Declaration changed.
* tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
field.
(dump_cand): Dump depends_on information.
(determine_biv_step): Add argument to simple_iv call.
(contains_abnormal_ssa_name_p): Handle case expr == NULL.
(find_bivs, find_givs_in_stmt_scev): Do not require step to be a
constant.
(add_candidate_1): Record depends_on for candidates.
(tree_int_cst_sign_bit, constant_multiple_of): New functions.
(get_computation_at, get_computation_cost_at, may_eliminate_iv):
Handle ivs with nonconstant step.
(iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
(iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
(create_new_iv): Unshare the step before passing it to create_iv.
(free_loop_data): Free cand->depends_on.
(build_addr_strip_iref): New function.
(find_interesting_uses_address): Use build_addr_strip_iref.
(strip_offset_1): Split the recursive part from strip_offset.
Strip constant offset component_refs and array_refs.
(strip_offset): Split the recursive part to strip_offset_1.
(add_address_candidates): Removed.
(add_derived_ivs_candidates): Do not use add_address_candidates.
(add_iv_value_candidates): Add candidates with stripped constant
offset. Consider all candidates with initial value 0 important.
(struct affine_tree_combination): New.
(aff_combination_const, aff_combination_elt, aff_combination_scale,
aff_combination_add_elt, aff_combination_add,
tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
fold_affine_sum): New functions.
(get_computation_at): Use fold_affine_sum.
* tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
* tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
to simple_iv call.
* gcc.dg/tree-ssa/loop-8.c: New test.
From-SVN: r99059
|
|
PR/20742
* Makefile.in (tree-chrec.o): Depend on params.h.
* params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
default value 20.
* tree-chrec.c: Depend on params.h. Replace build with buildN,
and fold build with fold_buildN.
(chrec_fold_plus_1): Fail with a chrec_don_know when the size of
the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
(tree_contains_chrecs): Compute an estimation of the size of the
given expression.
* tree-chrec.h (tree_contains_chrecs): Modify its declaration.
(tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
* tree-scalar-evolution.c (simple_iv): Ditto.
* doc/invoke.texi (scev-max-expr-size): Documented.
From-SVN: r98497
|
|
* tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
comment.
From-SVN: r98237
|
|
exposed symbols.
Merge from tree-cleanup-branch: VRP, store CCP, store
copy-prop, incremental SSA updating of FUD chains and
newly exposed symbols.
* Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
(OBJS-common): Add tree-vrp.o.
(tree-vrp.o): New rule.
* basic-block.h (nearest_common_dominator_for_set): Declare.
* common.opt (ftree-store-ccp): New flag.
(ftree-copy-prop): New flag.
(ftree-vrp): New flag.
(ftree-store-copy-prop): New flag.
* dominance.c (nearest_common_dominator_for_set): New.
* domwalk.c (walk_dominator_tree): Only traverse
statements in blocks marked in walk_data->interesting_blocks.
* domwalk.h (struct dom_walk_data): Add field interesting_blocks.
* fold-const.c (fold): Handle ASSERT_EXPR.
* opts.c (decode_options): Set flag_tree_copy_prop at -O1.
Set flag_tree_store_ccp, flag_tree_store_copy_prop and
flag_tree_vrp at -O2.
* timevar.def (TV_TREE_VRP): Define.
(TV_TREE_COPY_PROP): Define.
(TV_TREE_STORE_COPY_PROP): Define.
(TV_TREE_SSA_INCREMENTAL): Define.
(TV_TREE_STORE_CCP): Define.
* tree-cfg.c (tree_can_merge_blocks_p): Remove reference
to kill_redundant_phi_nodes from comment.
(verify_expr): Handle ASSERT_EXPR.
* tree-dfa.c (mark_new_vars_to_rename): Remove second
argument. Update all users.
(mark_call_clobbered_vars_to_rename): Remove. Update all
users.
* tree-flow-inline.h (unmodifiable_var_p): New.
* tree-flow.h (enum value_range_type): Declare.
(struct value_range_def): Declare.
(value_range): Declare.
(remove_all_phi_nodes_for): Remove. Update all users.
(find_phi_node_for): Declare.
(add_type_alias): Declare.
(count_uses_and_derefs): Declare.
(kill_redundant_phi_nodes): Remove.
(rewrite_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(update_ssa, register_new_name_mapping, create_new_def_for,
need_ssa_update_p, name_registered_for_update_p,
release_ssa_name_after_update_ssa, dump_repl_tbl,
debug_repl_tbl, dump_names_replaced_by,
debug_names_replaced_by, mark_sym_for_renaming,
mark_set_for_renaming, get_current_def, set_current_def,
get_value_range, dump_value_range, debug_value_range,
dump_all_value_ranges, debug_all_value_ranges,
expr_computes_nonzero, loop_depth_of_name,
unmodifiable_var_p): Declare.
* tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
ASSERT_EXPR.
* tree-into-ssa.c (block_defs_stack): Update comment.
(old_ssa_names, new_ssa_names, old_virtual_ssa_names,
syms_to_rename, names_to_release, repl_tbl,
need_to_initialize_update_ssa_p, need_to_update_vops_p,
need_to_replace_names_p): New locals.
(NAME_SETS_GROWTH_FACTOR): Define.
(struct repl_map_d): Declare.
(struct mark_def_sites_global_data): Add field
interesting_blocks.
(enum rewrite_mode): Declare.
(REGISTER_DEFS_IN_THIS_STMT): Define.
(compute_global_livein): Use last_basic_block instead of
n_basic_blocks.
(set_def_block): Remove last argument. Update all callers.
(prepare_use_operand_for_rename): Remove. Update all callers.
(prepare_def_operand_for_rename): Remove. Update all callers.
(symbol_marked_for_renaming): New.
(is_old_name): New.
(is_new_name): New.
(repl_map_hash): New.
(repl_map_eq): New.
(repl_map_free): New.
(names_replaced_by): New.
(add_to_repl_tbl): New.
(add_new_name_mapping): New.
(mark_def_sites): Assume that all the operands in the
statement are in normal form.
(find_idf): Assert that the block in the stack is valid.
(get_default_def_for): New.
(insert_phi_nodes_for): Add new argument 'update_p'.
Add documentation.
If update_p is true, add a new mapping between the LHS of
each new PHI and the name that it replaces.
(insert_phi_nodes_1): Only call find_idf if needed.
(get_reaching_def): Call get_default_def_for.
(rewrite_operand): Remove.
(rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
and REWRITE_THIS_STMT are false.
Assume that all the operands in the statement are in
normal form.
(rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
(rewrite_virtual_phi_arguments): Remove.
(invalidate_name_tags): Remove.
(register_new_update_single, register_new_update_set,
rewrite_update_init_block, replace_use,
rewrite_update_fini_block, rewrite_update_stmt,
rewrite_update_phi_arguments): New.
rewrite_blocks): Remove argument 'fix_virtual_phis'.
Add arguments 'entry', 'what' and 'blocks'.
Initialize the dominator walker according to 'what' and
'blocks'.
Start the dominator walk at 'entry'.
(mark_def_site_blocks): Add argument 'interesting_blocks'.
Use it to configure the dominator walker.
(rewrite_into_ssa): Remove argument 'all'.
Make internal.
(rewrite_all_into_ssa): Remove.
(rewrite_def_def_chains): Remove.
(mark_def_interesting, mark_use_interesting,
prepare_phi_args_for_update, prepare_block_for_update,
prepare_def_site_for, prepare_def_sites,
dump_names_replaced_by, debug_names_replaced_by,
dump_repl_tbl, debug_repl_tbl, init_update_ssa,
delete_update_ssa, create_new_def_for,
register_new_name_mapping, mark_sym_for_renaming,
mark_set_for_renaming, need_ssa_update_p,
name_registered_for_update_p, ssa_names_to_replace,
release_ssa_name_after_update_ssa,
insert_updated_phi_nodes_for, update_ssa): New.
* tree-loop-linear.c (linear_transform_loops): Call
update_ssa instead of rewrite_into_ssa.
* tree-optimize.c (vars_to_rename): Remove.
Update all users.
(init_tree_optimization_passes): Replace
pass_redundant_phi with pass_copy_prop.
Add pass_vrp.
Replace pass_ccp with pass_store_ccp.
Add pass_store_copy_prop after pass_store_ccp.
(execute_todo): If the TODO_ flags don't include updating
the SSA form, assert that it does not need to be updated.
Call update_ssa instead of rewrite_into_ssa and
rewrite_def_def_chains.
If TODO_verify_loops is set, call verify_loop_closed_ssa.
(tree_rest_of_compilation):
* tree-pass.h (TODO_dump_func, TODO_ggc_collect,
TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
TODO_cleanup_cfg): Renumber.
(TODO_verify_loops, TODO_update_ssa,
TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
TODO_update_ssa_only_virtuals): Define.
(pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
Declare.
* tree-phinodes.c (make_phi_node): Update documentation.
(remove_all_phi_nodes_for): Remove.
(find_phi_node_for): New.
* tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
(interpret_rhs_modify_expr): Likewise.
* tree-sra.c (decide_instantiations): Mark all symbols in
SRA_CANDIDATES for renaming.
(mark_all_v_defs_1): Rename from mark_all_v_defs.
(mark_all_v_defs): New function. Update all users to call it
with the whole list of scalarized statements, not just the
first one.
* tree-ssa-alias.c (count_ptr_derefs): Make extern.
(compute_flow_insensitive_aliasing): If the tag is
unmodifiable and the variable isn't or vice-versa, don't
make them alias of each other.
(setup_pointers_and_addressables): If the type tag for
VAR is about to change, mark the old one for renaming.
(add_type_alias): New.
* tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
(ccp_lattice_t): Rename from latticevalue.
(value): Remove. Update all users.
(const_val): New local variable.
(do_store_ccp): New local variable.
(dump_lattice_value): Handle UNINITIALIZED.
(debug_lattice_value): New.
(get_default_value): Re-write.
(set_lattice_value): Re-write.
(def_to_varying): Remove. Update all users.
(likely_value): Return VARYING for statements that make
stores when STORE_CCP is false.
Return VARYING for any statement other than MODIFY_EXPR,
COND_EXPR and SWITCH_EXPR.
(ccp_initialize): Re-write.
(replace_uses_in, replace_vuse_in, substitute_and_fold):
Move to tree-ssa-propagate.c.
(ccp_lattice_meet): Handle memory stores when
DO_STORE_CCP is true.
(ccp_visit_phi_node): Likewise.
(ccp_fold): Likewise.
(evaluate_stmt): Likewise.
(visit_assignment): Likewise.
(ccp_visit_stmt): Likewise.
(execute_ssa_ccp): Add argument 'store_ccp'. Copy it
into DO_STORE_CCP.
(do_ssa_ccp): New.
(pass_ccp): Use it.
(do_ssa_store_ccp): New.
(gate_store_ccp): New.
(pass_store_ccp): Declare.
* tree-ssa-copy.c: Include tree-ssa-propagate.h.
(may_propagate_copy): Reformat.
Don't abort if ORIG is a virtual and DEST isn't.
If NEW does not have alias information but DEST does,
copy it.
(copy_of, cached_last_copy_of, do_store_copy_prop, enum
copy_prop_kind, which_copy_prop): Declare.
(stmt_may_generate_copy, get_copy_of_val,
get_last_copy_of, set_copy_of_val, dump_copy_of,
copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
copy_prop_visit_stmt, copy_prop_visit_phi_node,
init_copy_prop, fini_copy_prop, execute_copy_prop,
gate_copy_prop, do_copy_prop, gate_store_copy_prop,
store_copy_prop): New.
(pass_copy_prop, pass_store_copy_prop): Declare.
* tree-ssa-dom.c (struct opt_stats_d): Add fields
'num_const_prop' and 'num_copy_prop'.
(cprop_operand): Update them.
(dump_dominator_optimization_stats): Dump them.
(tree_ssa_dominator_optimize): Call update_ssa instead of
rewrite_into_ssa.
(loop_depth_of_name): Declare extern.
(simplify_cond_and_lookup_avail_expr): Guard against NULL
values for LOW or HIGH.
(cprop_into_successor_phis): Only propagate if NEW != ORIG.
(record_equivalences_from_stmt): Call expr_computes_nonzero.
(cprop_operand): Only propagate if VAL != OP.
* tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
statement for renaming.
* tree-ssa-loop-im.c (move_computations): Call update_ssa.
* tree-ssa-loop-ivopts.c (rewrite_address_base): Call
add_type_alias if necessary.
Call mark_new_vars_to_rename.
(tree_ssa_iv_optimize): If new symbols need to be renamed,
mark every statement updated, call update_ssa and
rewrite_into_loop_closed_ssa.
* tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
from LIVEIN if VAR is a virtual.
* tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
* tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
(get_call_expr_operands): Reformat statement.
(add_stmt_operand): Don't create V_MAY_DEFs for read-only
symbols.
* tree-ssa-propagate.c (ssa_prop_init): Initialize
SSA_NAME_VALUE for every name.
(first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by): New.
(replace_uses_in, replace_vuses_in, replace_phi_args_in,
substitute_and_fold): Move from tree-ssa-ccp.c.
* tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
first_vdef, stmt_makes_single_load, stmt_makes_single_store,
get_value_loaded_by, replace_uses_in, substitute_and_fold):
Declare.
* tree-ssa.c (verify_use): Fix error message.
(propagate_into_addr, replace_immediate_uses, get_eq_name,
check_phi_redundancy, kill_redundant_phi_nodes,
pass_redundant_phi): Remove. Update all users.
* tree-vect-transform.c (vect_create_data_ref_ptr): Call
add_type_alias, if necessary.
* tree-vectorizer.h (struct _stmt_vect_info): Update
documentation for field 'memtag'.
* tree-vrp.c: New file.
* tree.def (ASSERT_EXPR): Define.
* tree.h (ASSERT_EXPR_VAR): Define.
(ASSERT_EXPR_COND): Define.
(SSA_NAME_VALUE_RANGE): Define.
(struct tree_ssa_name): Add field 'value_range'.
(PHI_REWRITTEN): Remove.
(struct tree_phi_node): Remove field 'rewritten'.
* doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
-ftree-store-copy-prop): Document.
* doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
Document usage of update_ssa.
testsuite/ChangeLog
* g++.dg/tree-ssa/pr18178.C: New test.
* gcc.c-torture/execute/20030216-1.x: Ignore at -O1.
* gcc.c-torture/execute/20041019-1.c: New test.
* gcc.dg/tree-ssa/20041008-1.c: New test.
* gcc.dg/tree-ssa/ssa-ccp-12.c: New test.
* gcc.dg/tree-ssa/20030731-2.c: Update to use -fdump-tree-store_ccp.
* gcc.dg/tree-ssa/20030917-1.c: Likewise.
* gcc.dg/tree-ssa/20030917-3.c: Likewise.
* gcc.dg/tree-ssa/20040721-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.
From-SVN: r97884
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chrec_dont_know is detected.
* tree-scalar-evolution.c (instantiate_parameters_1): Return
as soon as a chrec_dont_know is detected.
From-SVN: r97253
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* bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
* bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
BITMAP_FREE.
* bt-load.c (btr_def_live_range, combine_btr_defs,
migrate_btr_def, migrate_btr_defs): Likewise.
* cfgcleanup.c (thread_jump): Likewise.
* cfgloop.c (get_loop_body_in_bfs_order): Likewise.
* df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
df_rd_local_compute, df_reg_info_compute): Likewise.
* dominance.c (init_dom_info, free_dom_info): Likewise.
* flow.c (init_propagate_block_info,
free_propagate_block_info): Likewise.
* gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
* global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
modify_reg_pav): Likewise.
* loop-invariant.c (find_defs, find_invariant_insn,
find_invariants, free_inv_motion_data): Likewise.
* predict.c (tree_predict_by_opcode,
estimate_bb_frequencies): Likewise.
* stmt.c (expand_case): Likewise.
* tree-cfg.c (tree_duplicate_sese_region): Likewise.
* tree-dfa.c (mark_new_vars_to_rename): Likewise.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
* tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
rewrite_ssa_into_ssa): Likewise.
* tree-optimize.c (tree_rest_of_compilation): Likewise.
* tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
analyze_edges_for_bb, perform_edge_inserts): Likewise.
* tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
* tree-sra.c (tree_sra): Likewise.
* tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
* tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
* tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
* tree-ssa-dse.c (tree_ssa_dse): Likewise.
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
Likewise.
* tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
calculate_live_on_entry, calculate_live_on_exit,
build_tree_conflict_graph): Likewise.
* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
record_important_candidates, set_use_iv_cost, find_depends,
determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
tree_ssa_iv_optimize_finalize): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
tree_duplicate_loop_to_header_edge): Likewise.
* tree-ssa-pre.c (init_pre, fini_pre): Likewise.
* tree-ssa.c (verify_flow_insensitive_alias_info,
verify_name_tags, verify_ssa, init_tree_ssa,
delete_tree_ssa): Likewise.
* tree-ssanames.c (marked_ssa_names, init_ssanames,
fini_ssanames): Likewise.
* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
From-SVN: r95172
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* 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
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tree-scalar-evolution.c (instantiate_parameters_1)?)
PR tree-optimization/19224
* tree-scalar-evolution.c (get_instantiated_value,
set_instantiated_value): New functions.
(instantiate_parameters_1): Cache the results.
(instantiate_parameters, resolve_mixers): Initialize and free
the cache.
From-SVN: r93106
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if needed.
* tree-scalar-evolution.c (instantiate_parameters_1): Copy the
expression only if needed.
From-SVN: r92768
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TREE_THIS_VOLATILE checks on SSA_NAMEs.
* tree-scalar-evolution.c (analyzable_condition): Remove
superfluous TREE_THIS_VOLATILE checks on SSA_NAMEs.
From-SVN: r90528
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PR tree-optimization/17742
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle
MINUS_EXPR correctly.
From-SVN: r90492
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as the evolution is known not computable.
* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
Give up as soon as the evolution is known not computable.
From-SVN: r90491
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* tree-cfg.c, tree-if-conv.c, tree-into-ssa.c,
tree-scalar-evolution.c, tree-ssa-loop-im.c,
tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa.c,
tree-vectorizer.c: Replace TREE_CHAIN with PHI_CHAIN where
appropriate.
From-SVN: r90262
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* alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
tree-scalar-evolution.c, tree-ssa-dom.c,
tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
tree-vectorizer.c, vec.h: Fix comment formatting.
From-SVN: r89453
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build_int_cst_type instead od fonvert.
* tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
od fonvert.
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
follow_ssa_edge_in_rhs): Ditto.
* tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
(dump_iv): Dump base_object.
(dump_use, dump_cand): Use dump_iv.
(determine_base_object): New function.
(alloc_iv): Initialize base_object field.
(record_use): Clear the ssa_name field of iv.
(get_computation_cost_at): Do not use difference of addresses of
two different objects.
(may_eliminate_iv): Do not require the loop to have just single exit.
* tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
(nonzero_p): New function.
(inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
tree_simplify_using_condition, simplify_using_initial_conditions,
loop_niter_by_eval, find_loop_niter_by_eval,
estimate_numbers_of_iterations_loop, compare_trees,
upper_bound_in_type, lower_bound_in_type,
can_count_iv_in_wider_type_bound): Use buildN instead of build. Use
fold_convert or build_int_cst_type instead of convert. Use (non)zero_p
instead of integer_(non)zerop.
From-SVN: r88388
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* basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
gimplify.c, lambda-code.c, optabs.c, predict.c,
tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
tree-ssa.c, vec.h: Fix comment typos. Follow spelling
conventions.
From-SVN: r87637
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* bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
tree-scalar-evolution.c, tree-ssa-copyrename.c,
tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
From-SVN: r87302
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* builtins.c (fold_builtin_strchr): Use build_int_cst, not
fold_convert.
(fold_builtin_strpbrk): Likewise.
* expr.c (array_ref_low_bound): Likewise.
* tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
* tree-sra.c (generate_element_zero): Likewise.
* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
* tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
add_old_iv_candidates, add_iv_candidates): Likewise.
* tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
From-SVN: r87141
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* c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
vec.h: Fix comment formatting.
From-SVN: r87105
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