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2010-11-03builtins.c (fold_builtin_signbit): Use build_zero_cst instead of fold_convert.Nathan Froyd1-1/+1
gcc/ * builtins.c (fold_builtin_signbit): Use build_zero_cst instead of fold_convert. * c-typeck.c (build_function_call_vec): Likewise. * cfgexpand.c (expand_debug_expr): Likewise. * cgraphunit.c (assemble_thunk): Likewise. * config/sparc/sparc.c (sparc_fold_builtin): Likewise. * fold-const.c (fold_unary_loc, fold_mult_zconjz): Likewise. (fold_binary_loc, fold_ternary_loc): Likewise. * gimple-fold.c (get_symbol_constant_value): Likewise. * gimple-low.c (lower_builtin_setjmp): Likewise. * gimple.c (gimple_cond_get_ops_from_tree): Likewise. * gimplify.c (gimplify_init_constructor): Likewise. * lambda.h (build_linear_expr): Likewise. * omp-low.c (omp_reduction_init): Likewise. * tree-inline.c (remap_ssa_name): Likewise. * tree-object-size.c (compute_object_sizes): Likewise. * tree-sra.c (init_subtree_with_zero): Likewise. (sra_ipa_modify_assign): Likewise. * tree-ssa-copy.c (propagate_tree_value_into_stmt): Likewise. * tree-ssa-reassoc.c (eliminate_duplicate_pair): Likewise. (eliminate_plus_minus_pair, eliminate_not_pairs): Likewise. (undistribute_ops_list): Likewise. * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise. * tree-vect-stmts.c (vectorizable_call): Likewise. * tree.c (build_vector_from_ctor, build_one_cst): Likewise. (build_zero_cst): Handle more cases directly. Update comment. gcc/cp/ * class.c (build_base_path, add_vcall_offset): Use build_zero_cst instead of fold_convert. * init.c (build_zero_init): Likewise. * typeck.c (cp_build_binary_op): Likewise. gcc/fortran/ * trans-decl.c (add_argument_checking): Use build_zero_cst instead of fold_convert. * trans-expr.c (gfc_conv_missing_dummy, fill_with_spaces): Likewise. * trans-stmt.c (gfc_trans_do): Likewise. From-SVN: r166227
2010-11-02re PR tree-optimization/45875 (ice in gimple_fold_obj_type_ref_known_binfo ↵Martin Jambor1-20/+5
with -O2) 2010-11-02 Martin Jambor <mjambor@suse.cz> PR tree-optimization/45875 * gimple-fold.c (get_first_base_binfo_with_virtuals): Removed. (gimple_get_relevant_ref_binfo): Detect primary bases according to their field offset. * testsuite/g++.dg/torture/pr45875.C: New test. From-SVN: r166190
2010-10-22re PR tree-optimization/46137 (g++.dg/torture/pr45877.C FAILs with ↵Richard Guenther1-0/+2
-fno-tree-dce) 2010-10-22 Richard Guenther <rguenther@suse.de> PR middle-end/46137 * gimple-fold.c (gimplify_and_update_call_from_tree): Properly remove the virtual operands if they are not needed. * c-c++-common/torture/pr46137.c: New testcase. From-SVN: r165852
2010-10-13re PR objc/45878 (Can't compile even a trivial ObjC program with ↵Richard Guenther1-2/+2
-fexceptions -O2) 2010-10-13 Richard Guenther <rguenther@suse.de> PR objc/45878 * gimple-fold.c (gimple_fold_obj_type_ref): Leave OBJ_TYPE_REFs alone if there are no virtual methods. * objc.dg/pr45878.m: New testcase. From-SVN: r165435
2010-10-11re PR middle-end/45699 (Incorrect copy constructor generated with -O)Martin Jambor1-1/+20
2010-10-11 Martin Jambor <mjambor@suse.cz> PR middle-end/45699 * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Choose among thunks. * testsuite/g++.dg/torture/pr45699.C: New test. * testsuite/g++.dg/otr-fold-1.C: Adjusted. * testsuite/g++.dg/otr-fold-1.C: Likewise. From-SVN: r165327
2010-10-05re PR middle-end/45877 (invalid write in gimplify_and_update_call_from_tree)Richard Guenther1-1/+15
2010-10-05 Richard Guenther <rguenther@suse.de> PR middle-end/45877 * gimple-fold.c (gimplify_and_update_call_from_tree): Handle case where gimplification optimizes away the stmt. * g++.dg/torture/pr45877.C: New testcase. From-SVN: r164984
2010-10-04gimple-fold.c (static_object_in_other_unit_p): Rename to...Jan Hubicka1-22/+41
* gimple-fold.c (static_object_in_other_unit_p): Rename to... (can_refer_decl_in_current_unit_p): ... this one; reverse return value; handle comdats too. (canonicalize_constructor_val): Use it; handle function_decls correctly. (gimple_fold_obj_type_ref_known_binfo): Likewise. * gimple.c (get_base_address): Accept all kinds of decls. From-SVN: r164961
2010-09-28tree-ssa-ccp.c (fold_ctor_reference): New function.Jan Hubicka1-3/+4
* tree-ssa-ccp.c (fold_ctor_reference): New function. (fold_const_aggregate_ref): Use it. * fold-const.c (canonicalize_constructor_val): Check that we don't fold into external static. From-SVN: r164688
2010-09-22gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold ↵Martin Jambor1-6/+3
builtins if it is true. 2010-09-22 Martin Jambor <mjambor@suse.cz> * gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold builtins if it is true. (fold_stmt_1): Call, fold_gimple_call always, pass inplace as a parameter. From-SVN: r164517
2010-09-21re PR tree-optimization/45580 (Building WebKit fails with compiler catching ↵Richard Guenther1-0/+3
SIGSEGV in gimple_fold_obj_type_ref_known_binfo()) 2010-09-21 Richard Guenther <rguenther@suse.de> PR tree-optimization/45580 * tree-ssa-propagate.c (substitute_and_fold): Always replace regular uses. * gimple-fold.c (gimple_fold_obj_type_ref): For a BINFO without virtuals fold the call into a regular indirect one. * g++.dg/torture/pr45580.C: New testcase. From-SVN: r164474
2010-09-20re PR tree-optimization/45605 (Missed devirtualization)Jan Hubicka1-3/+1
PR tree-optimize/45605 * cgraph.h (const_value_known_p): Declare. (varpool_decide_const_value_known): Remove. * tree-ssa-ccp.c (get_base_constructor): Use it. * lto-cgraph.c (compute_ltrans_boundary): Likewise. * expr.c (string_constant): Likewise. * tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise. * ipa.c (ipa_discover_readonly_nonaddressable_var, function_and_variable_visibility): Likewise. * gimplify.c (gimplify_call_expr): Likewise. * gimple-fold.c (get_symbol_constant_value): Likewise. * varpool.c (varpool_decide_const_value_known): Replace by... (const_value_known_p): ... this one; handle other kinds of DECLs too and work for automatic vars. (varpool_finalize_decl): Use const_value_known_p. * lto.c (lto_promote_cross_file_statics): Use const_value_known_p. * g++.dg/tree-ssa/pr45605.C: New testcase. From-SVN: r164438
2010-09-18re PR tree-optimization/45605 (Missed devirtualization)Jan Hubicka1-5/+64
PR tree-optimization/45605 * cgraphunit.c (cgraph_analyze_functions): Allocate bitmap obstack. * gimple-fold.c (static_object_in_other_unit_p): New function. (canonicalize_constructor_val): Use it. (get_symbol_constant_value): Be reaqdy for canonicalize_constructor_val returning NULL. (gimple_fold_obj_type_ref_known_binfo): Use static_object_in_other_unit_p. From-SVN: r164402
2010-09-07gimple.c (maybe_fold_reference): Verify that operand is gimple_min_invariant.Jan Hubicka1-1/+2
* gimple.c (maybe_fold_reference): Verify that operand is gimple_min_invariant. * gcc.c-torture/compile/20100907.c: New testcase. From-SVN: r163948
2010-09-04foldconst-2.c: New testcase.Jan Hubicka1-21/+30
* gcc.dg/tree-ssa/foldconst-2.c: New testcase. * gcc.dg/tree-ssa/foldconst-3.c: New testcase. * gimple-fold.c (maybe_fold_reference): Use fold_const_aggregate_ref. * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_read_from_constant_string. * gimple.h (canonicalize_constructor_val): Declare. * gimple-fold.c (canonicalize_constructor_val): New function. (get_symbol_constant_value):Use it. * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise. From-SVN: r163861
2010-09-03cgraph.h (struct varpool_node): Add const_value_known.Jan Hubicka1-5/+3
* cgraph.h (struct varpool_node): Add const_value_known. (varpool_decide_const_value_known): Declare. * tree-ssa-ccp.c (fold_const_aggregate_ref): Update initializer folding. * lto-cgraph.c (lto_output_varpool_node): Store const_value_known. (input_varpool_node): Restore const_value_known. * tree-ssa-loop-ivcanon (constant_after_peeling): Check varpool for initializer folding. * ipa.c (ipa_discover_readonly_nonaddressable_var, function_and_variable_visibility): Compute const_value_known. * gimple-fold.c (get_symbol_constant_value): Use varpool for initializer folding. * varpool.c (varpool_decide_const_value_known): New function. From-SVN: r163808
2010-09-03tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE.Richard Guenther1-3/+12
2010-09-03 Richard Guenther <rguenther@suse.de> * tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE. Move TMR_OFFSET to second operand. Add TMR_INDEX2. * tree.h (TMR_SYMBOL): Remove. (TMR_BASE, TMR_OFFSET): Adjust. (TMR_INDEX2): New. * alias.c (ao_ref_from_mem): Use TMR_BASE. * builtins.c (get_object_alignment): Merge TMR_BASE and TMR_SYMBOL handling. * cfgexpand.c (expand_debug_expr): Use TMR_BASE. * gimple.c (get_base_address): Merge MEM_REF and TARGET_MEM_REF handling. Also allow TARGET_MEM_REF as base address. (walk_stmt_load_store_addr_ops): TMR_BASE is always non-NULL. * gimplify.c (gimplify_expr): Gimplify TMR_BASE like MEM_REF base. Gimplify TMR_INDEX2. * tree-cfg.c (verify_types_in_gimple_reference): Adjust. * tree-dfa.c (get_ref_base_and_extent): Likewise. (get_addr_base_and_unit_offset): Likewise. * tree-eh.c (tree_could_trap_p): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-address.c (tree_mem_ref_addr): Simplify. Handle TMR_INDEX2. (create_mem_ref_raw): Merge symbol and base. Move 2ndary base to index2. (get_address_description): Reconstruct addres description from merged TMR_BASE and TMR_INDEX2. (maybe_fold_tmr): Fold propagated addresses. * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Merge MEM_REF and TARGET_MEM_REF paths. (indirect_refs_may_alias_p): Likewise. * tree-ssa-live.c (mark_all_vars_used_1): Handle TMR_INDEX2 instead of TMR_SYMBOL. * tree-ssa-operands.c (get_tmr_operands): Simplify. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Adjust according to changes ... * tree-ssa-sccvn.c (copy_reference_ops_from_ref): ... here. Split TARGET_MEM_REF into two fields plus the base. * tree.c (mem_ref_offset): Simplify. * tree-ssa-loop-im.c (for_each_index): Handle TMR_INDEX2. * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise. Strip NOPs when folding MEM_REF addresses. * tree-ssa-sink.c (is_hidden_global_store): Handle TARGET_MEM_REF. * gimple-fold.c (maybe_fold_reference): Fold TARGET_MEM_REF here ... (fold_gimple_assign): ... not here. From-SVN: r163802
2010-08-19cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to bitmap_bit_p.Nathan Froyd1-2/+1
* cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to bitmap_bit_p. * config/bfin/bifn.c (bfin_discover_loop): Likewise. * dominance.c (iterate_fix_dominators): Likewise. * dse.c (set_usage_bits): Likewise. (set_position_unneeded, record_store): Likewise. * gimple-fold.c (get_maxval_strlen): Likewise. * haifa-sched.c (fix_inter_tick, fix_recovery_deps): Likewise. * ipa-inline.c (update_caller_keys): Likewise. * ipa-split.c (verify_non_ssa_vars): Likewise. * ipa-type-escape.c (mark_type, close_type_seen): Likewise. (close_type_exposed_parameter, close_type_full_escape): Likewise. (close_addressof_down): Likewise. * ira-color.c (assign_hard_reg, push_allocno_to_stack): Likewise. (setup_allocno_left_conflicts_size): Likewise. (ira_reassign_conflict_allocnos): Likewise. (ira_reassign_pseudos): Likewise. * ira-emit.c (change_loop): Likewise. * loop-invariant.c (mark_regno_live, mark_regno_death): Likewise. * lto-streamer-out.c (write_symbol): Likewise. * predict.c (expr_expected_value_1): Likewise. * regstat.c (regstat_bb_compute_ri): Likewise. * sel-sched.c (create_block_for_bookkeeping): Likewise. (track_scheduled_insns_and_blocks, sel_sched_region_1): Likewise. * stmt.c (expand_case): Likewise. * tree-eh.c (emit_eh_dispatch): Likewise. * tree-into-ssa.c (prune_unused_phi_nodes): Likewise. * tree-loop-distribution.c (make_nodes_having_upstream_mem_writes): Likewise. (rdg_flag_vertex, rdg_flag_loop_exits): Likewise. (rdg_build_components): Likewise. * tree-object-size.c (collect_object_sizes_for): Likewise. * tree-sra.c (convert_callers): Likewise. * tree-ssa-coalesce.c (live_track_add_partition): Likewise. * tree-ssa-live.c (mark_all_vars_used_1): Likewise. * tree-ssa-pre.c (bitmap_set_replace_value): Likewise. From-SVN: r163378
2010-07-26re PR tree-optimization/45073 (gfortran.dg/assumed_charlen_function_3.f90 ↵Richard Guenther1-3/+6
ICEs with -fprofile-generate) 2010-07-26 Richard Guenther <rguenther@suse.de> PR middle-end/45073 * gimple-fold.c (gimplify_and_update_call_from_tree): Conditionalize SSA updating on being in SSA form. From-SVN: r162537
2010-07-26re PR tree-optimization/45056 (ICE: in refs_may_alias_p_1, at ↵Richard Guenther1-0/+17
tree-ssa-alias.c:1023) 2010-07-26 Richard Guenther <rguenther@suse.de> PR middle-end/45056 * gimple-fold.c (fold_stmt_1): Also fold references in debug stmts. * g++.dg/pr45056.C: New testcase. From-SVN: r162536
2010-07-06lto-streamer.c (write_symbol_vec): Rename to ...Jan Hubicka1-1/+1
* lto-streamer.c (write_symbol_vec): Rename to ... (write_symbol) ... this one; write only symbol given and when present in cache. Sanity check that what is defined is present in cgraph/varpool with body/finalized decl. (write_symbols_of_kind): Remove. (produce_symtab): Take outputblock and sets; use cgraph/varpool/alias pairs to produce symtab. (produce_asm_for_decls): Update call of produce_symtab; don't do so when doing WPA streaming. From-SVN: r161868
2010-07-06gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that function is ↵Jan Hubicka1-1/+10
still available to fold into. * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that function is still available to fold into. From-SVN: r161866
2010-07-01re PR middle-end/42834 (memcpy folding overeager)Richard Guenther1-369/+124
2010-07-01 Richard Guenther <rguenther@suse.de> PR middle-end/42834 PR middle-end/44468 * doc/gimple.texi (is_gimple_mem_ref_addr): Document. * doc/generic.texi (References to storage): Document MEM_REF. * tree-pretty-print.c (dump_generic_node): Handle MEM_REF. (print_call_name): Likewise. * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF. (build_simple_mem_ref_loc): New function. (mem_ref_offset): Likewise. * tree.h (build_simple_mem_ref_loc): Declare. (build_simple_mem_ref): Define. (mem_ref_offset): Declare. * fold-const.c: Include tree-flow.h. (operand_equal_p): Handle MEM_REF. (build_fold_addr_expr_with_type_loc): Likewise. (fold_comparison): Likewise. (fold_unary_loc): Fold VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>. (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2], fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2]. * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF. (ptr_deref_may_alias_ref_p_1): Likewise. (ao_ref_base_alias_set): Properly differentiate base object for offset and TBAA. (ao_ref_init_from_ptr_and_size): Use MEM_REF. (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly. (indirect_refs_may_alias_p): Likewise. (refs_may_alias_p_1): Likewise. Remove pointer SSA name def chasing code. (ref_maybe_used_by_call_p_1): Handle MEM_REF. (call_may_clobber_ref_p_1): Likewise. * dwarf2out.c (loc_list_from_tree): Handle MEM_REF. * expr.c (expand_assignment): Handle MEM_REF. (store_expr): Handle MEM_REFs from STRING_CSTs. (store_field): If expanding a MEM_REF of a non-addressable decl use bitfield operations. (get_inner_reference): Handle MEM_REF. (expand_expr_addr_expr_1): Likewise. (expand_expr_real_1): Likewise. * tree-eh.c (tree_could_trap_p): Handle MEM_REF. * alias.c (ao_ref_from_mem): Handle MEM_REF. (get_alias_set): Likewise. Properly handle VIEW_CONVERT_EXPRs. * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF. (dr_analyze_indices): Likewise. (dr_analyze_alias): Likewise. (object_address_invariant_in_loop_p): Likewise. * gimplify.c (mark_addressable): Handle MEM_REF. (gimplify_cond_expr): Build MEM_REFs. (gimplify_modify_expr_to_memcpy): Likewise. (gimplify_init_ctor_preeval_1): Handle MEM_REF. (gimple_fold_indirect_ref): Adjust. (gimplify_expr): Handle MEM_REF. Gimplify INDIRECT_REF to MEM_REF. * tree.def (MEM_REF): New tree code. * tree-dfa.c: Include toplev.h. (get_ref_base_and_extent): Handle MEM_REF. (get_addr_base_and_unit_offset): New function. * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF. * gimple-fold.c (may_propagate_address_into_dereference): Handle MEM_REF. (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds accesses if the array has just one dimension. Remove always true parameter. Do not require type compatibility here. (maybe_fold_offset_to_component_ref): Remove. (maybe_fold_stmt_indirect): Remove. (maybe_fold_reference): Remove INDIRECT_REF handling. Fold back to non-MEM_REF. (maybe_fold_offset_to_address): Simplify. Deal with type mismatches here. (maybe_fold_reference): Likewise. (maybe_fold_stmt_addition): Likewise. Also handle &ARRAY + I in addition to &ARRAY[0] + I. (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs. (gimple_get_relevant_ref_binfo): Handle MEM_REF. * cfgexpand.c (expand_debug_expr): Handle MEM_REF. * tree-ssa.c (useless_type_conversion_p): Make most pointer conversions useless. (warn_uninitialized_var): Handle MEM_REF. (maybe_rewrite_mem_ref_base): New function. (execute_update_addresses_taken): Implement re-writing of MEM_REFs to SSA form. * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove INDIRECT_REF handling. (copy_tree_body_r): Handle MEM_REF. * gimple.c (is_gimple_addressable): Adjust. (is_gimple_address): Likewise. (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with invariant base are invariant. (is_gimple_min_lval): Adjust. (is_gimple_mem_ref_addr): New function. (get_base_address): Handle MEM_REF. (count_ptr_derefs): Likewise. (get_base_loadstore): Likewise. * gimple.h (is_gimple_mem_ref_addr): Declare. (gimple_call_fndecl): Handle invariant MEM_REF addresses. * tree-cfg.c (verify_address): New function, split out from ... (verify_expr): ... here. Use for verifying ADDR_EXPRs and the address operand of MEM_REFs. Verify MEM_REFs. Reject INDIRECT_REFs. (verify_types_in_gimple_min_lval): Handle MEM_REF. Disallow INDIRECT_REF. Allow conversions. (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of a register does not change its size. (verify_types_in_gimple_reference): Verify MEM_REF. (verify_gimple_assign_single): Disallow INDIRECT_REF. Handle MEM_REF. * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable): New. (mark_address_taken): Handle MEM_REF. (get_indirect_ref_operands): Pass through opf_not_non_addressable. (get_asm_expr_operands): Pass opf_not_non_addressable. (get_expr_operands): Handle opf_[not_]non_addressable. Handle MEM_REF. Remove INDIRECT_REF handling. * tree-vrp.c: (check_array_ref): Handle MEM_REF. (search_for_addr_array): Likewise. (check_array_bounds): Likewise. (vrp_stmt_computes_nonzero): Adjust for MEM_REF. * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF. (ref_always_accessed_p): Likewise. (gen_lsm_tmp_name): Likewise. Handle ADDR_EXPR. * tree-complex.c (extract_component): Do not handle INDIRECT_REF. Handle MEM_REF. * cgraphbuild.c (mark_load): Properly check for NULL result from get_base_address. (mark_store): Likewise. * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF. * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF handling for MEM_REF. * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle &MEM[ptr + CST] similar to POINTER_PLUS_EXPR. * builtins.c (stabilize_va_list_loc): Use the function ABI valist type if we couldn't canonicalize the argument type. Always dereference with the canonical va-list type. (maybe_emit_free_warning): Handle MEM_REF. (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding memmove to memcpy. * builtins.c (fold_builtin_memory_op): Use ref-all types for all memcpy foldings. * omp-low.c (build_receiver_ref): Adjust for MEM_REF. (build_outer_var_ref): Likewise. (scan_omp_1_op): Likewise. (lower_rec_input_clauses): Likewise. (lower_lastprivate_clauses): Likewise. (lower_reduction_clauses): Likewise. (lower_copyprivate_clauses): Likewise. (expand_omp_atomic_pipeline): Likewise. (expand_omp_atomic_mutex): Likewise. (create_task_copyfn): Likewise. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF. Remove old union trick. Initialize constant offsets. (ao_ref_init_from_vn_reference): Likewise. Do not handle INDIRECT_REF. Init base_alias_set properly. (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF. (vn_reference_fold_indirect): Adjust for MEM_REFs. (valueize_refs): Fold MEM_REFs. Re-evaluate constant offset for ARRAY_REFs. (may_insert): Remove. (visit_reference_op_load): Do not test may_insert. (run_scc_vn): Remove parameter, do not fiddle with may_insert. * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add a field to store the constant offset this op applies. (run_scc_vn): Adjust prototype. * cgraphunit.c (thunk_adjust): Adjust for MEM_REF. * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with MEM_REF. Propagate &foo + CST as &MEM[&foo, CST]. Do not bother about volatile qualifiers on pointers. (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF. * tree-ssa-loop-ivopts.c * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF. (strip_offset_1): Likewise. (find_interesting_uses_address): Replace INDIRECT_REF handling with MEM_REF handling. (get_computation_cost_at): Likewise. * ipa-pure-const.c (check_op): Handle MEM_REF. * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF. * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF and constants. * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF. * tree-parloops.c (take_address_of): Adjust for MEM_REF. (eliminate_local_variables_1): Likewise. (create_call_for_reduction_1): Likewise. (create_loads_for_reductions): Likewise. (create_loads_and_stores_for_name): Likewise. * matrix-reorg.c (may_flatten_matrices_1): Sanitize. (ssa_accessed_in_tree): Handle MEM_REF. (ssa_accessed_in_assign_rhs): Likewise. (update_type_size): Likewise. (analyze_accesses_for_call_stmt): Likewise. (analyze_accesses_for_assign_stmt): Likewise. (transform_access_sites): Likewise. (transform_allocation_sites): Likewise. * tree-affine.c (tree_to_aff_combination): Handle MEM_REF. * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do not handle INDIRECT_REF. * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF. (cond_store_replacement): Likewise. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle MEM_REF, no not handle INDIRECT_REFs. (insert_into_preds_of_block): Properly initialize avail. (phi_translate_1): Fold MEM_REFs. Re-evaluate constant offset for ARRAY_REFs. Properly handle reference lookups that require a bit re-interpretation. (can_PRE_operation): Do not handle INDIRECT_REF. Handle MEM_REF. * tree-sra.c * tree-sra.c (build_access_from_expr_1): Handle MEM_REF. (build_ref_for_offset_1): Remove. (build_ref_for_offset): Build MEM_REFs. (gate_intra_sra): Disable for now. (sra_ipa_modify_expr): Handle MEM_REF. (ipa_early_sra_gate): Disable for now. * tree-sra.c (create_access): Swap INDIRECT_REF handling for MEM_REF handling. (disqualify_base_of_expr): Likewise. (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for MEM_REF handling. (sra_ipa_modify_expr): Remove INDIRECT_REF handling. Use mem_ref_offset. Remove bogus folding. (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA. (make_fancy_name_1): Add support for MEM_REF. * tree-predcom.c (ref_at_iteration): Handle MEM_REFs. * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF. * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF. (compute_complex_ancestor_jump_func): Likewise. (ipa_analyze_virtual_call_uses): Likewise. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace INDIRECT_REF folding with more generalized MEM_REF folding. (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly. (forward_propagate_addr_into_variable_array_index): Also handle &ARRAY + I in addition to &ARRAY[0] + I. * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF. * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that creates assignments with overlap. * tree-nested.c (get_static_chain): Adjust for MEM_REF. (get_frame_field): Likewise. (get_nonlocal_debug_decl): Likewise. (convert_nonlocal_reference_op): Likewise. (struct nesting_info): Add mem_refs pointer-set. (create_nesting_tree): Allocate it. (convert_local_reference_op): Insert to be folded mem-refs. (fold_mem_refs): New function. (finalize_nesting_tree_1): Perform defered folding of mem-refs (free_nesting_tree): Free the pointer-set. * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF. (vectorizable_load): Likewise. * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF. (propagate_with_phi): Likewise. * tree-object-size.c (addr_object_size): Handle MEM_REFs instead of INDIRECT_REFs. (compute_object_offset): Handle MEM_REF. (plus_stmt_object_size): Handle MEM_REF. (collect_object_sizes_for): Dispatch to plus_stmt_object_size for &MEM_REF. * tree-flow.h (get_addr_base_and_unit_offset): Declare. (symbol_marked_for_renaming): Likewise. * Makefile.in (tree-dfa.o): Add $(TOPLEV_H). (fold-const.o): Add $(TREE_FLOW_H). * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF. (find_func_clobbers): Likewise. * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF. (decompose_access): Likewise. (replace_field_acc): Likewise. (replace_field_access_stmt): Likewise. (insert_new_var_in_stmt): Likewise. (get_stmt_accesses): Likewise. (reorg_structs_drive): Disable. * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF. (ix86_canonical_va_list_type): Likewise. cp/ * cp-gimplify.c (cp_gimplify_expr): Open-code the rhs predicate we are looking for, allow non-gimplified INDIRECT_REFs. testsuite/ * gcc.c-torture/execute/20100316-1.c: New testcase. * gcc.c-torture/execute/pr44468.c: Likewise. * gcc.c-torture/compile/20100609-1.c: Likewise. * gcc.dg/volatile2.c: Adjust. * gcc.dg/plugin/selfassign.c: Likewise. * gcc.dg/pr36902.c: Likewise. * gcc.dg/tree-ssa/foldaddr-2.c: Remove. * gcc.dg/tree-ssa/foldaddr-3.c: Likewise. * gcc.dg/tree-ssa/forwprop-8.c: Adjust. * gcc.dg/tree-ssa/pr17141-1.c: Likewise. * gcc.dg/tree-ssa/ssa-fre-13.c: Likewise. * gcc.dg/tree-ssa/ssa-fre-14.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-21.c: Likewise. * gcc.dg/tree-ssa/pta-ptrarith-1.c: Likewise. * gcc.dg/tree-ssa/20030807-7.c: Likewise. * gcc.dg/tree-ssa/forwprop-10.c: Likewise. * gcc.dg/tree-ssa/ssa-fre-1.c: Likewise. * gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-23.c: Likewise. * gcc.dg/tree-ssa/forwprop-1.c: Likewise. * gcc.dg/tree-ssa/forwprop-2.c: Likewise. * gcc.dg/tree-ssa/struct-aliasing-1.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-25.c: Likewise. * gcc.dg/tree-ssa/ssa-pre-26.c: Likewise. * gcc.dg/tree-ssa/struct-aliasing-2.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-26.c: Likewise. * gcc.dg/tree-ssa/ssa-sccvn-4.c: Likewise. * gcc.dg/tree-ssa/ssa-pre-7.c: Likewise. * gcc.dg/tree-ssa/forwprop-5.c: Likewise. * gcc.dg/struct/w_prof_two_strs.c: XFAIL. * gcc.dg/struct/wo_prof_escape_arg_to_local.c: Likewise. * gcc.dg/struct/wo_prof_global_var.c: Likewise. * gcc.dg/struct/wo_prof_malloc_size_var.c: Likewise. * gcc.dg/struct/w_prof_local_array.c: Likewise. * gcc.dg/struct/w_prof_single_str_global.c: Likewise. * gcc.dg/struct/wo_prof_escape_str_init.c: Likewise. * gcc.dg/struct/wo_prof_array_through_pointer.c: Likewise. * gcc.dg/struct/w_prof_global_array.c: Likewise. * gcc.dg/struct/wo_prof_array_field.c: Likewise. * gcc.dg/struct/wo_prof_single_str_local.c: Likewise. * gcc.dg/struct/w_prof_local_var.c: Likewise. * gcc.dg/struct/wo_prof_two_strs.c: Likewise. * gcc.dg/struct/wo_prof_empty_str.c: Likewise. * gcc.dg/struct/wo_prof_local_array.c: Likewise. * gcc.dg/struct/w_prof_global_var.c: Likewise. * gcc.dg/struct/wo_prof_single_str_global.c: Likewise. * gcc.dg/struct/wo_prof_escape_substr_value.c: Likewise. * gcc.dg/struct/wo_prof_global_array.c: Likewise. * gcc.dg/struct/wo_prof_escape_return.c: Likewise. * gcc.dg/struct/wo_prof_escape_substr_array.c: Likewise. * gcc.dg/struct/wo_prof_double_malloc.c: Likewise. * gcc.dg/struct/w_ratio_cold_str.c: Likewise. * gcc.dg/struct/wo_prof_escape_substr_pointer.c: Likewise. * gcc.dg/struct/wo_prof_local_var.c: Likewise. * gcc.dg/tree-prof/stringop-1.c: Adjust. * g++.dg/tree-ssa/pr31146.C: Likewise. * g++.dg/tree-ssa/copyprop-1.C: Likewise. * g++.dg/tree-ssa/pr33604.C: Likewise. * g++.dg/plugin/selfassign.c: Likewise. * gfortran.dg/array_memcpy_3.f90: Likewise. * gfortran.dg/array_memcpy_4.f90: Likewise. * c-c++-common/torture/pr42834.c: New testcase. From-SVN: r161655
2010-06-30re PR bootstrap/44699 (Bootstrap failure for x86_64-apple-darwin10: ICE ↵Michael Matz1-5/+19
while compiling genmodes.c) PR bootstrap/44699 * tree-vrp.c (vrp_finalize): Deal with changing num_ssa_names. * gimple-fold.c (gimplify_and_update_call_from_tree): If LHS is a gimple reg, attach the original VDEF to the last store in the sequence. testsuite/ PR bootstrap/44699 * gcc.dg/pr44699.c: New test. From-SVN: r161614
2010-06-28re PR c++/44535 (g++ -O[ 23] generates undefined symbol)Martin Jambor1-2/+18
2010-06-28 Martin Jambor <mjambor@suse.cz> PR c++/44535 * gimple-fold.c (get_first_base_binfo_with_virtuals): New function. (gimple_get_relevant_ref_binfo): Use get_first_base_binfo_with_virtuals instead of BINFO_BASE_BINFO. * testsuite/g++.dg/torture/pr44535.C: New test. From-SVN: r161498
2010-06-28re PR middle-end/44592 (wrong code at -O3)Michael Matz1-4/+50
PR middle-end/44592 * gimple-fold.c (gimplify_and_update_call_from_tree): Maintain proper VDEF chain for intermediate stores in the sequence. testsuite/ PR middle-end/44592 * gfortran.dg/pr44592.f90: New test. From-SVN: r161496
2010-06-25With large parts from Jim Wilson:Bernd Schmidt1-0/+27
PR target/43902 * tree-pretty-print.c (dump_generic_node, op_code_prio): Add WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR. * optabs.c (optab_for_tree_code): Likewise. (expand_widen_pattern_expr): Likewise. * tree-ssa-math-opts.c (convert_mult_to_widen): New function, broken out of execute_optimize_widening_mul. (convert_plusminus_to_widen): New function. (execute_optimize_widening_mul): Use the two new functions. * expr.c (expand_expr_real_2): Add support for GIMPLE_TERNARY_RHS. Remove code to generate widening multiply-accumulate. Add support for WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR. * gimple-pretty-print.c (dump_ternary_rhs): New function. (dump_gimple_assign): Call it when appropriate. * tree.def (WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR): New codes. * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise. (expand_gimple_stmt_1): Likewise. (expand_debug_expr): Support WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree-inline.c (estimate_operator_cost): Likewise. * gimple.c (extract_ops_from_tree_1): Renamed from extract_ops_from_tree. Add new arg for a third operand; fill it. (gimple_build_assign_stat): Support operations with three operands. (gimple_build_assign_with_ops_stat): Likewise. (gimple_assign_set_rhs_from_tree): Likewise. (gimple_assign_set_rhs_with_ops_1): Renamed from gimple_assign_set_rhs_with_ops. Add new arg for a third operand. (get_gimple_rhs_num_ops): Support GIMPLE_TERNARY_RHS. (get_gimple_rhs_num_ops): Handle WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR. * gimple.h (enum gimple_rhs_class): Add GIMPLE_TERNARY_RHS. (extract_ops_from_tree_1): Adjust declaration. (gimple_assign_set_rhs_with_ops_1): Likewise. (gimple_build_assign_with_ops): Pass NULL for last operand. (gimple_build_assign_with_ops3): New macro. (gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3, gimple_assign_set_rhs_with_ops, extract_ops_from_tree): New inline functions. * tree-cfg.c (verify_gimple_assign_ternary): New static function. (verify_gimple_assign): Call it. * doc/gimple.texi (Manipulating operands): Document GIMPLE_TERNARY_RHS. (Tuple specific accessors, subsection GIMPLE_ASSIGN): Document new functions for dealing with three-operand statements. * tree.c (commutative_ternary_tree_code): New function. * tree.h (commutative_ternary_tree_code): Declare it. * tree-vrp.c (gimple_assign_nonnegative_warnv_p): Return false for ternary statements. (gimple_assign_nonzero_warnv_p): Likewise. * tree-ssa-sccvn.c (stmt_has_constants): Handle GIMPLE_TERNARY_RHS. * tree-ssa-ccp.c (get_rhs_assign_op_for_ccp): New static function. (ccp_fold): Use it. Handle GIMPLE_TERNARY_RHS. * tree-ssa-dom.c (enum expr_kind): Add EXPR_TERNARY. (struct hashtable_expr): New member ternary in the union. (initialize_hash_element): Handle GIMPLE_TERNARY_RHS. (hashable_expr_equal_p): Fix indentation. Handle EXPR_TERNARY. (iterative_hash_hashable_expr): Likewise. (print_expr_hash_elt): Handle EXPR_TERNARY. * gimple-fold.c (fold_gimple_assign): Handle GIMPLE_TERNARY_RHS. * tree-ssa-threadedge.c (fold_assignment_stmt): Remove useless break statements. Handle GIMPLE_TERNARY_RHS. testsuite/ PR target/43902 * gcc.target/mips/madd-9.c: New test. From-SVN: r161366
2010-06-08re PR tree-optimization/39874 (missing VRP (submission))Sandra Loosemore1-0/+1049
2010-06-08 Sandra Loosemore <sandra@codesourcery.com> PR tree-optimization/39874 PR middle-end/28685 gcc/ * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons): Declare. * gimple-fold.c (canonicalize_bool, same_bool_comparison_p, same_bool_result_p): New. (and_var_with_comparison, and_var_with_comparison_1, and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New. (or_var_with_comparison, or_var_with_comparison_1, or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New. * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use maybe_fold_and_comparisons or maybe_fold_or_comparisons instead of combine_comparisons. * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise. gcc/testsuite/ * gcc.dg/pr39874.c: New file. From-SVN: r160445
2010-06-01gimplify.c: Do not include except.h and optabs.h.Steven Bosscher1-10/+0
* gimplify.c: Do not include except.h and optabs.h. (gimplify_body): Do not initialize RTL profiling. * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h, langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h. * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h, output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and langhooks.h. * tree-pretty-print.h: Include pretty-print.h. * gimple-pretty-print.h: Include pretty-print.h. * tree-pretty-print.c: Do not include diagnostic.h. * tree-vrp.c: Likewise. * tree-tailcall.c: Likewise * tree-scalar-evolution.c: Likewise * tree-ssa-dse.c: Likewise * tree-chrec.c: Likewise * tree-ssa-sccvn.c: Likewise * tree-ssa-copyrename.c: Likewise * tree-nomudflap.c: Likewise * tree-call-cdce.c: Likewise * tree-stdarg.c: Likewise * tree-ssa-math-opts.c: Likewise * tree-nrv.c: Likewise * tree-ssa-sink.c: Likewise * tree-browser.c: Likewise * tree-ssa-loop-ivcanon.c: Likewise * tree-ssa-loop.c: Likewise * tree-parloops.c: Likewise * tree-ssa-address.c: Likewise * tree-ssa-ifcombine.c: Likewise * tree-if-conv.c: Likewise * tree-data-ref.c: Likewise * tree-affine.c: Likewise * tree-ssa-phiopt.c: Likewise * tree-ssa-coalesce.c: Likewise * tree-ssa-pre.c: Likewise * tree-ssa-live.c: Likewise * tree-predcom.c: Likewise * tree-ssa-forwprop.c: Likewise * tree-ssa-dce.c: Likewise * tree-ssa-ter.c: Likewise * tree-ssa-loop-prefetch.c: Likewise * tree-optimize.c: Likewise * tree-ssa-phiprop.c: Likewise * tree-object-size.c: Likewise * tree-outof-ssa.c: Likewise * tree-ssa-structalias.c: Likewise * tree-switch-conversion.c: Likewise * tree-ssa-reassoc.c: Likewise * tree-ssa-operands.c: Likewise * tree-vectorizer.c: Likewise * tree-vect-data-refs.c: Likewise * tree-vect-generic.c: Likewise * tree-vect-stmts.c: Likewise * tree-vect-patterns.c: Likewise * tree-vect-slp.c: Likewise * tree-vect-loop.c: Likewise * tree-ssa-loop-ivopts.c: Likewise * tree-ssa-loop-im.c: Likewise * tree-ssa-loop-niter.c: Likewise * tree-ssa-loop-unswitch.c: Likewise * tree-ssa-loop-manip.c: Likewise * tree-ssa-loop-ch.c: Likewise * tree-dump.c: Likewise * tree-complex.c: Likewise * tree-into-ssa.c: Do not include diagnostic.h and expr.h. * tree-ssa-uninit.c: Likewise * tree-ssa-threadupdate.c: Likewise * tree-ssa-uncprop.c: Likewise * tree-ssa-ccp.c: Likewise * tree-ssa-dom.c: Likewise * tree-ssa-propagate.c: Likewise * tree-ssa-alias.c: Likewise * tree-dfa.c: Likewise * tree-cfgcleanup.c: Likewise * tree-sra.c: Likewise * tree-ssa-copy.c: Likewise * tree-ssa.c: Likewise * tree-profile.c: Likewise * tree-cfg.c: Likewise * tree-ssa-threadedge.c: Likewise * tree-vect-loop-manip.c: Likewise * tree-inline.c: Do not include diagnostic.h and expr.h. Include rtl.h. (copy_decl_for_dup_finish): Do not use NULL_RTX. * tree-loop-linear.c: Do not include diagnostic.h, expr.h, and optabs.h. * tree-loop-distribution.c: Likewise. From-SVN: r160125
2010-05-25re PR middle-end/44069 (optimization bug initializing from cast array)Richard Guenther1-0/+12
2010-05-25 Richard Guenther <rguenther@suse.de> PR middle-end/44069 * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating out-of-bounds array accesses. * g++.dg/torture/pr44069.C: New testcase. From-SVN: r159824
2010-05-13gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to ↵Martin Jambor1-13/+133
gimple-fold.c). 2010-05-13 Martin Jambor <mjambor@suse.cz> * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to gimple-fold.c). * gimple-fold.c (get_base_binfo_for_type): New function. (gimple_get_relevant_ref_binfo): Likewise. (gimple_fold_obj_type_ref_known_binfo): Likewise. (gimple_fold_obj_type_ref): Likewise. (fold_gimple_call): Simplify condition for folding virtual calls and call gimple_fold_obj_type_ref. * gimple.h (gimple_get_relevant_ref_binfo): Declare. (gimple_fold_obj_type_ref_known_binfo): Likewise. * testsuite/g++.dg/otr-fold-1.C: New test. * testsuite/g++.dg/otr-fold-2.C: New test. From-SVN: r159362
2010-04-18fold-const.c (fold_comparison): Use ssizetype.Eric Botcazou1-1/+1
2010-04-18  Eric Botcazou  <ebotcazou@adacore.com> * fold-const.c (fold_comparison): Use ssizetype. * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise. * ipa-prop.c (ipa_modify_call_arguments): Use sizetype. * tree-loop-distribution.c (build_size_arg_loc): Likewise. * tree-object-size.c (compute_object_sizes): Use size_type_node. * tree.h (initialize_sizetypes): Remove parameter. (build_common_tree_nodes): Remove second parameter. * stor-layout.c (initialize_sizetypes): Remove parameter. Always create an unsigned type. (set_sizetype): Assert that the passed type is unsigned and simplify. * tree.c (build_common_tree_nodes): Remove second parameter. Adjust call to initialize_sizetypes. * c-decl.c (c_init_decl_processing): Remove second argument in call to build_common_tree_nodes. cp/ * decl.c (cxx_init_decl_processing): Remove second argument in call to build_common_tree_nodes. java/ * decl.c (java_init_decl_processing): Remove argument in call to initialize_sizetypes fortran/ * f95-lang.c (gfc_init_decl_processing): Remove second argument in call to build_common_tree_nodes. ada/ * gcc-interface/misc.c (gnat_init): Remove second argument in call to build_common_tree_nodes. lto/ * lto-lang.c (lto_init): Remove second argument in call to build_common_tree_nodes. From-SVN: r158496
2010-04-15Makefile.in (OBJS-common): Add gimple-fold.o.Richard Guenther1-0/+1596
2010-04-15 Richard Guenther <rguenther@suse.de> * Makefile.in (OBJS-common): Add gimple-fold.o. (gimple-fold.o): New rule. * tree.h (maybe_fold_offset_to_reference, maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move prototypes ... * gimple.h: ... here. * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value, may_propagate_address_into_dereference): Move prototypes ... * gimple.h: ... here. * tree-ssa-ccp.c (get_symbol_constant_value, may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref, maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference, maybe_fold_offset_to_address, maybe_fold_stmt_indirect, maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen, ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond, fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace, gimplify_and_update_call_from_tree): Move ... * gimple-fold.c: ... here. New file. (ccp_fold_builtin): Rename to ... (gimple_fold_builtin): ... this. * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust. From-SVN: r158373