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2007-09-04re PR tree-optimization/33291 (a+=2; a+=2 not simplified to a+=4; with ↵Richard Guenther1-1/+1
-O3 (ok with gcc-4.2.1)) 2007-09-04 Richard Guenther <rguenther@suse.de> PR tree-optimization/33291 * tree-pretty-print.c (dump_generic_node): Dump all qualifiers for pointer types, not only first. Dump qualifiers for aggregate types as well. * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always use the canonical type for building ARRAY_REFs. * gimplify.c (canonicalize_addr_expr): Clean up. The correct validness check is compatibility of the pointer types. Always use the canonical type for building ARRAY_REFs and ADDR_EXPRs. * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert change that disabled propagation of ADDR_EXPRs into statements with volatile ops. * gcc.dg/volatile2.c: New testcase. * gcc.dg/pr32721.c: Adjust volatile reference pattern. * gcc.dg/tree-ssa/forwprop-1.c: Remove xfail. * gcc.dg/tree-ssa/forwprop-2.c: Likewise. * gcc.dg/tree-ssa/pr17141-1.c: Likewise. From-SVN: r128068
2007-08-24re PR tree-optimization/33166 (ICE in get_indirect_ref_operands, at ↵Richard Guenther1-1/+6
tree-ssa-operands.c:1698) 2007-08-24 Richard Guenther <rguenther@suse.de> PR middle-end/33166 * tree-ssa.c (useless_type_conversion_p): Split into a recursive and a non-recursive part. (useless_type_conversion_p_1): New function. * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result from maybe_fold_offset_to_reference is trivially convertible to the desired type before doing the simplification. * gcc.c-torture/compile/pr33166.c: New testcase. From-SVN: r127771
2007-08-14tree-pass.h (PROP_pta): Removed.Daniel Berlin1-2/+8
2007-08-14 Daniel Berlin <dberlin@dberlin.org> * tree-pass.h (PROP_pta): Removed. (TODO_rebuild_alias): New. (pass_may_alias): Removed. * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild aliasing if we changed something. * tree-ssa-alias.c (compute_may_aliases): Make non-static. Update SSA internally. (pass_may_alias): Removed. (create_structure_vars): Return TODO_rebuild_alias. * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias. * tree-sra.c (tree_sra): Only rebuild aliasing if something changed. (tree_sra_early): We never affect aliasing right now. * tree-flow.h (compute_may_aliases): New prototype. * passes.c: Remove pass_may_alias from the passes. (execute_function_todo): Support TODO_rebuild_alias. From-SVN: r127491
2007-07-26fold-const.c (fold_read_from_constant_string): Use build_int_cst_type.Daniel Jacobowitz1-4/+3
* fold-const.c (fold_read_from_constant_string): Use build_int_cst_type. * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise. From-SVN: r126952
2007-07-26Change copyright header to refer to version 3 of the GNU General Public ↵Nick Clifton1-4/+3
License and to point readers at the COPYING3 file and the FSF's license web page. From-SVN: r126948
2007-07-24tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.Daniel Jacobowitz1-2/+4
* tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert. * gcc.c-torture/execute/20070724-1.c: New. From-SVN: r126888
2007-07-13re PR tree-optimization/32721 (CCP removes volatile qualifiers.)Richard Guenther1-1/+5
2007-07-13 Richard Guenther <rguenther@suse.de> PR tree-optimization/32721 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve TREE_THIS_VOLATILE on the folded reference. * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops if the array reference has TREE_THIS_VOLATILE set. * gcc.dg/pr32721.c: New testcase. From-SVN: r126624
2007-07-02re PR middle-end/15988 (ICE in fold_convert with pointer-to-member-function)Richard Guenther1-4/+4
2007-07-02 Richard Guenther <rguenther@suse.de> * tree-flow.h (types_compatible_p): Declare. * tree-ssa.c (types_compatible_p): New function. * ipa-type-escape.c (discover_unique_type): Use types_compatible_p instead of lang_hooks.types_compatible_p. * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise. * tree-vn.c (expressions_equal_p): Likewise. * tree.c (fields_compatible_p): Likewise. * tree-ssa-dom.c (avail_expr_eq): Likewise. (cprop_operand): Use useless_type_conversion_p instead of lang_hooks.types_compatible_p. * tree-inline.c (setup_one_parameter): Likewise. (declare_return_variable): Likewise. * tree-nrv.c (tree_nrv): Likewise. * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise. (maybe_fold_offset_to_component_ref): Likewise. (maybe_fold_offset_to_reference): Likewise. * tree-ssa-copy.c (may_propagate_copy): Likewise. (merge_alias_info): Likewise. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise. * tree-ssa-phiopt.c (conditional_replacement): Likewise. * tree-ssa-reassoc.c (optimize_ops_list): Likewise. * tree-tailcall.c (find_tail_calls): Likewise. * tree-vect-generic.c (expand_vector_operations_1): Likewise. * gimplify.c (canonicalize_addr_expr): Likewise. (fold_indirect_ref_rhs): Likewise. (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type. (cpt_same_type): Likewise. (check_pointer_types_r): Swap parameters to cpt_same_type where appropriate. * fold-const.c (fold_convert): Revert fix for PR15988. * tree-inline.c (setup_one_parameter): Instead fix it here by using fold_build1 instead of fold_convert and checking for error_mark_node. Convert only if the conversion is necessary. From-SVN: r126198
2007-07-02tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...Richard Guenther1-2/+1
2007-07-02 Richard Guenther <rguenther@suse.de> * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ... (useless_type_conversion_p): ... this. * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ... (useless_type_conversion_p): ... this. * builtins.c (fold_builtin_memory_op): Rename tree_ssa_useless_type_conversion_1 to useless_type_conversion_p. * tree-cfg.c (verify_expr): Likewise. * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise. * tree-ssa-ccp.c (ccp_fold): Likewise. * tree-ssa-copy.c (may_propagate_copy): Likewise. * tree-ssa-dom.c (eliminate_redundant_computations): Likewise. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise. * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise. * tree-ssa-pre.c (eliminate): Likewise. * tree-ssa.c (delete_tree_ssa): Likewise. (tree_ssa_useless_type_conversion): Likewise. * tree.c (build2_stat): Likewise. From-SVN: r126194
2007-06-15[multiple changes]Andrew Pinski1-40/+10
2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> Zdenek Dvorak <dvorakz@suse.cz> Richard Guenther <rguenther@suse.de> Kaz Kojima <kkojima@gcc.gnu.org> * tree-vrp.c (compare_values_warnv): Convert val2 to the type of val1. (extract_range_from_assert): Create POINTER_PLUS_EXPR for pointer types. (extract_range_from_binary_expr): Handle only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR for pointer types. * doc/c-tree.texi (POINTER_PLUS_EXPR): Document. * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (number_of_iterations_lt_to_ne): For pointer types, use sizetype when creating MINUS_EXPR/PLUS_EXPRs. (assert_loop_rolls_lt): For pointer types, use sizetype when creating MINUS_EXPR/PLUS_EXPRs. (number_of_iterations_le): Likewise. (expand_simple_operations): POINTER_PLUS_EXPR are simple also. (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just like PLUS_EXPR and MINUS_EXPR. * tree-pretty-print.c (dump_generic_node): Handle POINTER_PLUS_EXPR. (op_prio): Likewise. (op_symbol_1): Likewise. * optabs.c (optab_for_tree_code): Likewise. * tree-ssa-loop-manip.c (create_iv): Handle pointer base specially. * tree-tailcall.c (process_assignment): Mention POINTER_PLUS_EXPR in a TODO comment. * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR not used with a pointer and an integer type. * tree-scalar-evolution.c (add_to_evolution_1): Convert the increment using chrec_convert_rhs instead of chrec_convert. (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like PLUS_EXPR except for the right hand side's type will be sizetype. (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR. (fold_used_pointer_cast): Kill. (pointer_offset_p): Kill. (fold_used_pointer): Kill. (pointer_used_p): Kill. (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't call fold_used_pointer. (instantiate_parameters_1): Convert the increment using chrec_convert_rhs instead of chrec_convert. Handle POINTER_PLUS_EXPR as PLUS_EXPR. * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (std_gimplify_va_arg_expr): Likewise. (fold_builtin_memory_op): Likewise. (fold_builtin_strstr): Likewise. (fold_builtin_strchr): Likewise. (fold_builtin_strrchr): Likewise. (fold_builtin_strpbrk): Likewise. (expand_builtin_memory_chk): Likewise. (fold_builtin_memory_chk): Likewise. (std_expand_builtin_va_start): Use sizetype for the call to make_tree and then convert to the pointer type. (fold_builtin_memchr): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for adding to a pointer. (std_gimplify_va_arg_expr): Use fold_build2 for the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast the operands to sizetype first and then cast the BIT_AND_EXPR back to the pointer type. * fold-const.c (build_range_check): Handle pointer types specially. (extract_array_ref): Look for POINTER_PLUS_EXPR instead of PLUS_EXPR's. Make sure the offset is converted to sizetype. (try_move_mult_to_index): Strip the NOPs from the offset. Remove code argument and replace all uses with PLUS_EXPR. (fold_to_nonsharp_ineq_using_bound): Handle pointer types specially. Don't use a pointer type for MINUS_EXPR. (fold_unary): Handle for (T1)(X op Y), only p+ as that is the only as that can be handled for binary operators now. (fold_binary <case POINTER_PLUS_EXPR>): Add folding of POINTER_PLUS_EXPR. <case PLUS_EXPR>: Add folding of PTR+INT into PTR p+ INT. Don't call try_move_mult_to_index. <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B) into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies. Don't call try_move_mult_to_index. (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR. (tree_expr_nonzero_p): Likewise. (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead of PLUS_EXPR for the complex expression folding. * tree-chrec.c (chrec_fold_plus_poly_poly): If the first chrec is a pointer type, then the second should be sizetype and not the first's type. For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR instead of PLUS_EXPR. When either operand is zero, convert the other operand. (chrec_apply): Use chrec_convert_rhs on the argument x instead of chrec_convert. (reset_evolution_in_loop): For pointer types, the new_evol should be sizetype. (convert_affine_scev): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_convert_rhs): New function. (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. * tree-chrec.h (chrec_convert_rhs): New prototype. (build_polynomial_chrec): For pointer types, the right hand * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for POINTER_PLUS_EXPR instead of PLUS_EXPR's. Remove subtraction case as it is always addition now. Make sure the offset is converted to sizetype. (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially. Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before. * tree-ssa-loop-ivopts.c (determine_base_object): Abort for PLUS_EXPR in pointer type. Handle POINTER_PLUS_EXPR. (tree_to_aff_combination): Likewise. (force_expr_to_var_cost): Likewise. (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR of pointer types. * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (check_va_list_escapes): Likewise. (check_all_va_list_escapes): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Handle POINT_PLUS_EXPR as a PLUS_EXPR. * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR. (string_constant): Likewise. * tree-ssa-address.c (tree_mem_ref_addr): When adding the offset to the base, use POINTER_PLUS_EXPR. (add_to_parts): Convert the index to sizetype. (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case. * matrix-reorg.c (collect_data_for_malloc_call): Stmt will now only be either INDIRECT_REF and POINTER_PLUS_EXPR. Offset only holds something for PLUS_EXPR. (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as a PLUS_EXPR. (analyze_transpose): POINTER_PLUS_EXPR will only show up now and not PLUS_EXPR. (analyze_accesses_for_modify_stmt): Likewise. Remove comment about the type being integral type as it is wrong now. (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (transform_access_sites): POINTER_PLUS_EXPR will only show up now and not PLUS_EXPR. Correct the type which the artimentic is done in (is now sizetype). Reindent one loop. * tree-data-ref.c (split_constant_offset): Handle POINTER_PLUS_EXPR * tree-affine.c (tree_to_aff_combination): Likewise. * c-typeck.c (build_unary_op): For pointers create the increment as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * gimplify.c (gimplify_self_mod_expr): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR. * tree.def (POINTER_PLUS_EXPR): New tree code. * tree-predcom.c (ref_at_iteration): If we have a pointer type do the multiplication in sizetype. * tree-mudflap.c (mf_xform_derefs_1): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_array_index): Don't expect there to be a cast for the index as that does not exist anymore. (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR instead of PLUS_EXPR. Don't check for the first operand of the POINTER_PLUS_EXPR was the index as it cannot be. Call forward_propagate_addr_into_variable_array_index with the SSA_NAME instead of the statement. * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR. (compare_constant): Likewise. (copy_constant): Likewise. (compute_reloc_for_constant): Likewise. (output_addressed_constants): Likewise. (initializer_constant_valid_p): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion_1): Convert the MIN/MAX of the inner type to the outer type before comparing them. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-inline.c (estimate_num_insns_1): Handle POINTER_PLUS_EXPR. * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (bump_vector_ptr): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for the pointer increment statement. (vect_update_ivs_after_vectorizer): For pointer types, create POINTER_PLUS_EXPR instead of PLUS_EXPR and also create MULT_EXPR in sizetype. (vect_gen_niters_for_prolog_loop): Add a cast when creating byte_misalign. * tree-object-size.c (plus_expr_object_size): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra code which is trying to figure out which side is a pointer and is the index. (check_for_plus_in_loops_1): Likewise. (check_for_plus_in_loops): Likewise. * c-common.c (pointer_int_sum): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-ssa-structalias.c (handle_ptr_arith): Handle only POINTER_PLUS_EXPR. Removing all the extra code which is trying to figure out which side is a pointer and is the index. * tree-cfg.c (verify_expr): Add extra checking for pointers and PLUS_EXPR and MINUS_EXPR. Also add checking to make sure the operands of POINTER_PLUS_EXPR are correct. * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype with make_tree, instead of a pointer type. * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR for pointers instead of PLUS_EXPR. (s390_gimplify_va_arg): Likewise. * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR when doing addition on pointer types. Use sizetype for the second operand. (spu_gimplify_va_arg_expr): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Use POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was a pointer. Don't create a BIT_AND_EXPR for pointer types. * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR for the pointer addition and also use size_int/sizetype for the offset. (ix86_gimplify_va_arg): Likewise. Perform BIT_AND_EXPR on sizetype arguments. * config/sh/sh.c (sh_va_start): Call make_tree with sizetype and convert its result to a pointer type. Use POINTER_PLUS_EXPR for the pointer additions and also use size_int for the offsets. (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer additions and also use size_int for the offsets. Perform BIT_AND_EXPR on sizetype arguments. * config/ia64/ia64.c (ia64_gimplify_va_arg): Use POINTER_PLUS_EXPR for pointers and create the BIT_AND_EXPR in sizetype. * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition. (rs6000_va_start): Likewise. Also use sizetype for the offset. * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR as PLUS_EXPR/MINUS_EXPR. (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR. Don't use BIT_AND_EXPR on a pointer type, convert the expression to sizetype first. * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR for pointers. (mips_gimplify_va_arg_expr): Likewise. Don't create BIT_AND_EXPR in a pointer type. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition. * trans-expr.c (gfc_trans_string_copy): Create POINTER_PLUS_EXPR instead of a PLUS_EXPR for pointer types. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * typeck.c (build_binary_op): For templates build the expression in pieces to avoid the assert in build2_stat. (get_member_function_from_ptrfunc): Change over to using POINTER_PLUS_EXPR and convert the second operand to sizetype. * typeck2.c (build_m_component_ref): Likewise. * init.c (expand_virtual_init): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (build_new_1): Likewise. (build_vec_delete_1): Likewise. (build_vec_delete): Likewise. * class.c (build_base_path): Likewise. (build_base_path): Likewise. (convert_to_base_statically): Likewise. (fixed_type_or_null): Handle POINTER_PLUS_EXPR. (get_vtbl_decl_for_binfo): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (dfs_accumulate_vtbl_inits): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * call.c (build_special_member_call): Likewise. * rtti.c (build_headof): Likewise. Use sizetype instead of ptrdiff_type_node. (tinfo_base_init): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * except.c (expand_start_catch_block): Do a NEGATIVE and then a POINTER_PLUS_EXPR instead of a MINUS_EXPR. * cp-gimplify.c (cxx_omp_clause_apply_fn): Convert PLUS_EXPR on pointer types over to use POINTER_PLUS_EXPR and remove the conversion to the pointer types. * method.c (thunk_adjust): Use POINTER_PLUS_EXPR for adding to a pointer type. Use size_int instead of ssize_int. Convert the index to sizetype before adding it to the pointer. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * trans.c (Attribute_to_gnu): When subtracting an offset from a pointer, use POINTER_PLUS_EXPR with NEGATE_EXPR instead of MINUS_EXPR. (gnat_to_gnu): Likewise. * utils.c (convert): When converting between thin pointers, use POINTER_PLUS_EXPR and sizetype for the offset. * utils2.c (known_alignment): POINTER_PLUS_EXPR have the same semantics as PLUS_EXPR for alignment. (build_binary_op): Add support for the semantics of POINTER_PLUS_EXPR's operands. When adding an offset to a pointer, use POINTER_PLUS_EXPR. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * class.c (make_class_data): Build the index in sizetype. Use POINTER_PLUS_EXPR instead of PLUS_EXPR when adding to a pointer type. (build_symbol_entry): Likewise. * expr.c (build_java_arrayaccess): Likewise. (build_field_ref): Likewise. (build_known_method_ref): Likewise. (build_invokevirtual): Likewise. * except.c (build_exception_object_ref): Do a NEGATIVE and then a POINTER_PLUS_EXPR instead of a MINUS_EXPR. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> PR tree-opt/32225 * gcc.c-torture/compile/20070605-1.c: New test. * gcc.c-torture/compile/20070603-1.c: New testcase. * gcc.c-torture/compile/20070603-2.c: New testcase. * gcc.c-torture/compile/20070531-1.c: New test. PR tree-opt/32167 * gcc.c-torture/compile/20070531-2.c: New test. PR tree-opt/32144 * gcc.c-torture/compile/20070529-1.c: New test. PR tree-opt/32145 * gcc.c-torture/compile/20070529-2.c: New test. PR tree-opt/32015 * gcc.c-torture/compile/20070520-1.c: New test. * g++.dg/ext/java-1.C: New test. * gcc.dg/vect/vect-106.c: We are now able to vectorize two loops instead of one. Remove the "can't determine dependence" check. * gcc.dg/tree-ssa/20030815-1.c: Remove testcase which is no longer needed as the cast is gone in the first place. * gcc.dg/max-1.c: Change local variable a to be a global one. * gcc.dg/tree-ssa/ssa-pre-8.c: Update testcase since we don't have a cast which is PREd. From-SVN: r125755
2007-06-06tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the coding ↵Thomas Neumann1-5/+5
conventions. * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the coding conventions. (add_key): Likewise. * tree-ssa.c (init_tree_ssa): Use type safe memory macros. * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as variable names. * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory macros. (add_cost_one_coalesce): Likewise. * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as variable names. Rename orig to orig_name for consistency. * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the coding conventions. (cprop_into_successor_phis): Avoid using C++ keywords as variable names. (record_equivalences_from_stmt): Likewise. * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to the coding conventions. (memory_ssa_name_same): Likewise. (dse_optimize_stmt): Likewise. (dse_record_phis): Likewise. (dse_finalize_block): Likewise. * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++ keywords as variable names. (may_move_till): Cast according to the coding conventions. (force_move_till_expr): Avoid using C++ keywords as variable names. (force_move_till): Cast according to the coding conventions. (memref_hash): Likewise. (memref_eq): Likewise. (gather_mem_refs_stmt): Likewise. * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid using C++ keywords as variable names. (idx_find_step): Cast according to the coding conventions. (idx_record_use): Likewise. (find_depends): Likewise. (prepare_decl_rtl): Likewise. (mbc_entry_hash): Likewise. (mbc_entry_eq): Likewise. * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp. (simplify_replace_tree): Avoid using C++ keywords as variable names. (idx_infer_loop_bounds): Cast according to the coding conventions. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise. * tree-ssa-math-opts.c (occ_new ): Likwise. * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory macros. * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as variable names. (add_use_op): Likewise. (add_vop): Likewise. (add_vuse_op): Likewise. (add_vdef_op): Likewise. (get_expr_operands): Likewise. (push_stmt_changes): Use type safe memory macros. * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++ keywords as variable names. (conditional_replacement): Likewise. (minmax_replacement): Likewise. (abs_replacement): Likewise. * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the coding conventions. (insert_fake_stores): Avoid using C++ keywords as variable names. * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding conventions. * tree-ssa-structalias.c (heapvar_lookup): Likewise. (heapvar_insert): Use type safe memory macros. (new_var_info): Cast according to the coding conventions. (new_constraint): Likewise. (remove_preds_and_fake_succs): Use type safe memory macros. * tree-ssa-threadupdate.c (thread_block): Cast according to the coding conventions. (thread_single_edge): Likewise. From-SVN: r125504
2007-05-01tree.h (maybe_fold_offset_to_component_ref): Remove.Jan Hubicka1-21/+90
* tree.h (maybe_fold_offset_to_component_ref): Remove. (maybe_fold_offset_to_reference): Declare. * fold-const.c (fold_unary): Do not fold (type *)&A into &A->field_of_type_and_offset_0 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type size is unknown, give up. (maybe_fold_offset_to_component_ref): Ignore firelds with unknown offsets. (maybe_fold_offset_to_reference): New. (maybe_fold_stmt_indirect): Use it. (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset. * gimplify.c (gimplify_conversion): Canonicalize conversions to field references. (gimplify_expr): Likewise for plus_expr. From-SVN: r124323
2007-04-27re PR tree-optimization/31715 (Array calculation done incorrectly)Richard Guenther1-13/+24
2007-04-27 Richard Guenther <rguenther@suse.de> PR tree-optimization/31715 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure to do computation on the offset in an appropriate signed type. * gcc.dg/Warray-bounds-4.c: New testcase. From-SVN: r124216
2007-04-12re PR tree-optimization/24689 (operand_equal_p does not return true for some ↵Richard Guenther1-3/+1
equivalent ARRAY_REF) 2007-04-12 Richard Guenther <rguenther@suse.de> PR tree-optimization/24689 PR tree-optimization/31307 * fold-const.c (operand_equal_p): Compare INTEGER_CST array indices by value. * gimplify.c (canonicalize_addr_expr): To be consistent with gimplify_compound_lval only set operands two and three of ARRAY_REFs if they are not gimple_min_invariant. This makes it never at this place. * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise. * g++.dg/tree-ssa/pr31307.C: New testcase. * gcc.dg/tree-ssa/pr24689.c: Likewise. From-SVN: r123736
2007-04-09foldaddr-3.c: New file.Jan Hubicka1-3/+16
* gcc.dg/tree-ssa/foldaddr-3.c: New file. * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into multiple fields of union. From-SVN: r123674
2007-04-08tree.h (maybe_fold_offset_to_component_ref): Declare.Jan Hubicka1-1/+1
* tree.h (maybe_fold_offset_to_component_ref): Declare. * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export. * fold-const.c (fold_unary): Use it. * gcc.dg/tree-ssa/foldaddr-2.c: New file. From-SVN: r123664
2007-03-09tree-pass.h (TODO_update_smt_usage): Remove.Diego Novillo1-2/+1
* tree-pass.h (TODO_update_smt_usage): Remove. Update all users. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove argument SOME. Update all users. From-SVN: r122787
2007-02-15tree.h (enum tree_code_class): Add tcc_vl_exp.Sandra Loosemore1-38/+58
2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * tree.h (enum tree_code_class): Add tcc_vl_exp. (VL_EXP_CLASS_P): New. (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (TREE_OPERAND_CHECK_CODE): Likewise. (GIMPLE_STMT_OPERAND_CHECK): Likewise. (TREE_RTL_OPERAND_CHECK): Likewise. (tree_operand_check_failed): Make second parameter the whole tree instead of its code. Fixed callers. (VL_EXP_CHECK): New. (TREE_OPERAND_LENGTH): New. (VL_EXP_OPERAND_LENGTH): New. (CALL_EXPR_FN): New. (CALL_EXPR_STATIC_CHAIN): New. (CALL_EXPR_ARGS): New. (CALL_EXPR_ARG): New. (call_expr_nargs): New. (CALL_EXPR_ARGP): New. (build_nt_call_list): Declare. (build_vl_exp_stat): Declare. (build_vl_exp): New. (build_call_list): Declare. (build_call_nary): Declare. (build_call_valist): Declare. (build_call_array): Declare. (call_expr_arg): Declare. (call_expr_argp): Declare. (call_expr_arglist): Declare. (fold_build_call_list): Declare. (fold_build_call_list_initializer): Declare. (fold_call_expr): Declare to replace fold_builtin. (fold_builtin_fputs): Update to agree with modified definition. (fold_builtin_strcpy): Likewise. (fold_builtin_strncpy): Likewise. (fold_builtin_memory_chk): Likewise. (fold_builtin_stxcpy_chk): Likewise. (fold_builtin_strncpy_chk): Likewise. (fold_builtin_next_arg): Likewise. (fold_build_call_expr): Declare. (fold_builtin_call_list): Declare. (fold_builtin_call_valist): Declare. (build_call_expr): Declare. (validate_arglist): Update to agree with modified definition. (tree_operand_length): New. (call_expr_arg_iterator): New. (init_call_expr_arg_iterator): New. (next_call_expr_arg): New. (first_call_expr_arg): New. (more_call_expr_args_p): New. (FOR_EACH_CALL_EXPR_ARG): New. * tree.c (tree_code_class_string): Add entries for tcc_vl_exp and tcc_gimple_stmt. (tree_code_size): Update documentation. Use sizeof (tree) rather than sizeof (char *). (tree_size): Likewise. Add case for tcc_vl_exp. (tree_node_structure): Add case for tcc_vl_exp. (contains_placeholder_p): Likewise. (substitute_in_expr): Likewise. (substitute_placeholder_in_expr): Likewise. (stabilize_reference_1): Likewise. (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion to diagnose breakage of this interface for constructing CALL_EXPRs. (build_nt): Add similar assertion here. (build_nt_call_list): New. (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors. (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (get_callee_fndecl): Use new CALL_EXPR accessors. (tree_operand_check_failed): Change parameters to pass entire node instead of its code, so that we can call TREE_OPERAND_LENGTH on it. (process_call_operands): New. (build_vl_exp_stat): New. (build_call_list): New. (build_call_nary): New. (build_call_valist): New. (build_call_array): New. (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (call_expr_arglist): New. * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use tcc_vl_exp instead of a fixed-size tcc_expression. * doc/c-tree.texi (CALL_EXPR): Document new representation and accessors for CALL_EXPRs. (AGGR_INIT_EXPR): Likewise. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * builtins.c (c_strlen): Return NULL_TREE instead of 0. (expand_builtin_nonlocal_goto): Change parameter to be entire CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors. (expand_builtin_prefetch): Likewise. (expand_builtin_classify_type): Likewise. (mathfn_built_in): Return NULL_TREE instead of 0. (expand_errno_check): Use new CALL_EXPR accessors. (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors. Return NULL_RTX instead of 0. (expand_builtin_mathfn_2): Likewise. (expand_builtin_mathfn_3): Likewise. (expand_builtin_interclass_mathfn): Likewise. (expand_builtin_sincos): Likewise. (expand_builtin_cexpi): Likewise. (expand_builtin_int_roundingfn): Likewise. (expand_builtin_int_roundingfn_2): Likewise. (expand_builtin_pow): Likewise. (expand_builtin_powi): Likewise. (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead of arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_RTX instead of 0. (expand_builtin_strstr): Likewise. (expand_builtin_strchr): Likewise. (expand_builtin_strrchr): Likewise. (expand_builtin_strpbrk): Likewise. (expand_builtin_memcpy): Likewise. (expand_builtin_mempcpy): Likewise. (expand_builtin_mempcpy_args): New. (expand_builtin_memmove): Similarly to expand_builtin_mempcpy. (expand_builtin_memmove_args): New. (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy. (expand_movstr): Likewise. (expand_builtin_strcpy): Likewise. (expand_builtin_strcpy_args): New. (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy. (expand_builtin_strncpy): Likewise. (expand_builtin_memset): Likewise. (expand_builtin_memset_args): New. (expand_builtin_bzero): Similarly to expand_builtin_memset. (expand_builtin_memcmp): Likewise. (expand_builtin_strcmp): Likewise. (expand_builtin_strncmp): Likewise. (expand_builtin_strcat): Likewise. (expand_builtin_strncat): Likewise. (expand_builtin_strspn): Likewise. (expand_builtin_strcspn): Likewise. (expand_builtin_args_info): Likewise. (expand_builtin_va_start): Likewise. (gimplify_va_arg_expr): Likewise. (expand_builtin_va_end): Likewise. (expand_builtin_va_copy): Likewise. (expand_builtin_frame_address): Likewise. (expand_builtin_alloca): Likewise. (expand_builtin_bswap): Likewise. (expand_builtin_unop): Likewise. (expand_builtin_fputs): Likewise. (expand_builtin_expect): Likewise. (expand_builtin_fabs): Likewise. (expand_builtin_copysign): Likewise. (expand_builtin_printf): Likewise. (expand_builtin_fprintf): Likewise. (expand_builtin_sprintf): Likewise. (expand_builtin_init_trampoline): Likewise. (expand_builtin_signbit): Likewise. (expand_builtin_fork_or_exec): Likewise. (expand_builtin_sync_operation): Likewise. (expand_builtin_compare_and_swap): Likewise. (expand_builtin_lock_test_and_set): Likewise. (expand_builtin_lock_release): Likewise. (expand_builtin): Likewise. (builtin_mathfn_code): Likewise. (fold_builtin_constant_p): Pass call arguments individually instead of as an arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_TREE instead of 0. (fold_builtin_expect): Likewise. (fold_builtin_classify_type): Likewise. (fold_builtin_strlen): Likewise. (fold_builtin_nan): Likewise. (integer_valued_real_p): Likewise. (fold_trunc_transparent_mathfn): Likewise. (fold_fixed_mathfn): Likewise. (fold_builtin_cabs): Likewise. (fold_builtin_sqrt): Likewise. (fold_builtin_cbrt): Likewise. (fold_builtin_cos): Likewise. (fold_builtin_cosh): Likewise. (fold_builtin_tan): Likewise. (fold_builtin_sincos): Likewise. (fold_builtin_cexp): Likewise. (fold_builtin_trunc): Likewise. (fold_builtin_floor): Likewise. (fold_builtin_ceil): Likewise. (fold_builtin_round): Likewise. (fold_builtin_int_roundingfn): Likewise. (fold_builtin_bitop): Likewise. (fold_builtin_bswap): Likewise. (fold_builtin_logarithm): Likewise. (fold_builtin_hypot): Likewise. (fold_builtin_pow): Likewise. (fold_builtin_powi): Likewise. (fold_builtin_exponent): Likewise. (fold_builtin_memset): Likewise. (fold_builtin_bzero): Likewise. (fold_builtin_memory_op): Likewise. (fold_builtin_bcopy): Deleted; call site changed to invoke fold_builtin_memory_op directly. (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op. (fold_builtin_strncpy): Likewise. (fold_builtin_memcmp): Likewise. (fold_builtin_strcmp): Likewise. (fold_builtin_strncmp): Likewise. (fold_builtin_signbit): Likewise. (fold_builtin_copysign): Likewise. (fold_builtin_isascii): Likewise. (fold_builtin_toascii): Likewise. (fold_builtin_isdigit): Likewise. (fold_builtin_fabs): Likewise. (fold_builtin_abs): Likewise. (fold_builtin_fmin_fmax): Likewise. (fold_builtin_carg): Likewise. (fold_builtin_classify): Likewise. (fold_builtin_unordered_cmp): Likewise. (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4): New functions split out from fold_builtin_1. (fold_builtin_n): New. (fold_builtin_varargs): New. (fold_builtin): Deleted. Most callers changed to use fold_call_expr instead. (fold_call_expr): New. (build_function_call_expr): Rewrite to use new helper function. (fold_builtin_call_list): New. (build_call_expr): New. (fold_builtin_call_valist): New. (rewrite_call_expr): New. (validate_arg): New. (validate_arglist): Change parameter to be entire CALL_EXPR instead of an arglist. Change return type to bool. Use new CALL_EXPR accessors. (fold_builtin_strstr): Pass call arguments individually instead of as an arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_TREE instead of 0. (fold_builtin_strchr): Likewise. (fold_builtin_strrchr): Likewise. (fold_builtin_strpbrk): Likewise. (fold_builtin_strcat): Likewise. (fold_builtin_strncat): Likewise. (fold_builtin_strspn): Likewise. (fold_builtin_strcspn): Likewise. (fold_builtin_fputs): Likewise. (fold_builtin_next_arg): Likewise. (fold_builtin_sprintf): Likewise. (expand_builtin_object_size): Use new CALL_EXPR accessors. Use NULL_RTX instead of 0. (expand_builtin_memory_chk): Likewise. (maybe_emit_chk_warning): Likewise. (maybe_emit_sprintf_chk_warning): Likewise. (fold_builtin_object_size): Pass call arguments individually instead of as an arglist, fixing callers appropriately. Use new CALL_EXPR accessors and constructors. Return NULL_TREE instead of 0. (fold_builtin_memory_chk): Likewise. (fold_builtin_stxcpy_chk): Likewise. (fold_builtin_strncpy_chk): Likewise. (fold_builtin_strcat_chk): Likewise. (fold_builtin_strcat_chk): Likewise. (fold_builtin_strncat_chk): Likewise. (fold_builtin_sprintf_chk): Likewise. (fold_builtin_snprintf_chk): Likewise. (fold_builtin_printf): Likewise. (fold_builtin_vprintf): Likewise. * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and constructors. (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case. (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (extract_muldiv_1): Add VL_EXP_CLASS_P case. (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors. (fold_unary): Likewise. (fold_binary): Likewise. (fold_ternary): Remove CALL_EXPR case, since they are no longer ternary expressions. (fold): Add logic for tcc_vl_exp. (fold_checksum_tree): Make it know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (fold_build3_stat): Add assertion to flag broken interface for constructing CALL_EXPRs. (fold_build_call_list): New. (fold_build_call_list_initializer): New. (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and constructors. (fold_strip_sign_ops): Likewise. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR accessors and dump arguments explicitly. * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (dump_generic_node): Use new CALL_EXPR accessors and walk arguments explicitly. (print_call_name): Use new CALL_EXPR accessors. * print-tree.c (print_node): Add case tcc_vl_exp. Print CALL_EXPR arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors. (vrp_visit_stmt): Likewise. * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (force_move_till_expr): Likewise. * targhooks.c (default_external_stack_protect_fail): Use build_call_expr instead of build_function_call_expr. (default_hidden_stack_protect_fail): Likewise. * tree-complex.c (expand_complex_libcall): Use build_call_expr to build the call. * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors and walk arguments explicitly. * tree-ssa-loop-niter.c (simplify_replace_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (expand_simple_operations): Likewise. (infer_loop_bounds_from_array): Use new CALL_EXPR accessors. * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs. * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * value_prof.c (tree_ic): Use new CALL_EXPR accessors. (tree_ic_transform): Likewise. (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as parameter instead of arglist. Fix callers. (tree_stringop_fixed_value): Use new CALL_EXPR accessors. (tree_stringops_transform): Likewise. (tree_indirect_call_to_profile): Likewise. (tree_stringops_values_to_profile): Likewise. * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator. (eliminate_tail_call): Likewise. * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors. * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop): Use TREE_OPERAND_LENGTH and generalize to handle any number of operands. (instantiate_parameters_1): Can't handle tcc_vl_exp here. * omp-low.c (build_omp_barrier): Use build_call_expr. (lower_rec_input_clauses): Likewise. (lower_reduction_clauses): Likewise. (expand_parallel_call): Likewise. (maybe_catch_exception): Likewise. (expand_omp_for_generic): Likewise. (expand_omp_for_static_nochunk): Likewise. (expand_omp_sections): Likewise. (lower_omp_single_simple): Likewise. (lower_omp_single_copy): Likewise. (lower_omp_master): Likewise. (lower_omp_ordered): Likewise. (lower_omp_critical): Likewise. * ipa-reference.c (check-call): Use new CALL_EXPR iterator. (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR. * tree-gimple.c (is_gimple_call_addr): Fix doc. (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. Add tcc_vl_exp case. * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH and generalize to handle any number of operands. (chrec_contains_undetermined): Likewise. (tree_contains_chrecs): Likewise. (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH. * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors. * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use fold_call_expr instead of fold_builtin. (ccp_fold_builtin): Likewise. Update calls into builtins.c to match declarations there. (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc updates. * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors. (scan_function): Add case tcc_vl_exp for CALL_EXPR. * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR accessors. * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr. (execute_cse_sincos): Use new CALL_EXPR accessors. * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator. * gimple-low.c (lower_function_body): Use build_call_expr. (lower_builtin_setjmp): Likewise. * expr.c (emit_block_move_via_libcall): Use build_call_expr. (set_storage_via_libcall): Likewise. (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (expand_expr_real_1): Use new CALL_EXPR accessors. * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and generalize to handle any number of operands. (TB_parent_eq): Likewise. * predict.c (expr_expected_value): Use new CALL_EXPR accessors. (strip_builtin_expect): Likewise. * function.c (gimplify_parameters): Use build_call_expr. * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators. (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR. * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR iterators. * gimplify.c (build_stack_save_restore): Use build_call_expr. (gimplify_decl_expr): Likewise. (gimplify_call_expr): Use fold_call_expr instead of fold_builtin. Use new CALL_EXPR iterators. (gimplify_modify_expr_to_memcpy): Use build_call_expr. (gimplify_modify_expr_to_memset): Likewise. (gimplify_variable_sized_compare): Likewise. (gimplify_omp_atomic_fetch_op): Likewise. (gimplify_omp_atomic_pipeline): Likewise. (gimplify_omp_atomic_mutex): Likewise. (gimplify_function_tree): Likewise. * calls.c (alloca_call_p): Use new CALL_EXPR accessors. (call_expr_flags): Likewise. (expand_call): Likewise. * except.c (expand_builtin_eh_return_data_regno): Pass entire CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR accessors. * coverage.c (create_coverage): Use build_call_expr. * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete. (temp_call_expr_obstack): New. (pool_copy_list): Delete. (temp_copy_call_expr): New. (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new CALL_EXPR accessors. Get rid of special goo for copying argument lists and use temp_copy_call_expr instead. (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new CALL_EXPR accessors. (create_expression_by_pieces): Likewise. Use build_call_array to construct the result instead of fold_build3. (create_value_expr_from): Add tcc_vl_exp. Delete special goo for dealing with argument lists. (init_pre): Remove references to expression_node_pool and list_node_pool. Init temp_call_expr_obstack instead. (fini_pre): Remove references to expression_node_pool and list_node_pool. * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors and walk arguments explicitly instead of as a list. * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr. (mx_register_decls): Likewise. (mudflap_register_call): Likewise. (mudflap_finish_file): Likewise. * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors. (ipa_callsite_compute_param): Likewise. * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR accessors and constructor. * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR accessors and constructor. (convert_tramp_reference): Likewise. (convert_call_expr): Likewise. (finalize_nesting_tree_1): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR accessors. * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr. * tree-inline.c (initialize_inlined_parameters): Pass entire CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR accessors. (estimate_num_insns_1): Use new CALL_EXPR accessors. (expand_call_inline): Tidy up call to initialize_inlined_parameters. * tree-vect-transform.c (vect_create_epilog_for_reduction): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (vectorizable_reduction): Likewise. (vectorizable_call): Use new CALL_EXPR iterators. (vectorizable_conversion): Use build_call_expr. (vectorizable_operation): Use TREE_OPERAND_LENGTH. (vect_gen_widened_results_half): Use build_call_expr. (vect_setup_realignment): Likewise. (vectorizable_live_operation): Use TREE_OPERAND_LENGTH. * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors. (pass_through_call): Likewise. (compute_object_sizes): Likewise. Use fold_call_expr instead of fold_builtin. * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr. (tree_gen_pow2_profiler): Likewise. (tree_gen_one_value_profiler): Likewise. (tree_gen_ic_func_profiler): Likewise. (tree_gen_average_profiler): Likewise. (tree_gen_ior_profiler): Likewise. * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp. (find_func_aliases): Use new CALL_EXPR accessors. Add case tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * convert.c (convert_to_real): Use new CALL_EXPR accessors and constructor. (convert_to_integer): Likewise. * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR accessors. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR accessors. * config/frv/frv.c (frv_expand_builtin): Likewise. * config/s390/s390.c (s390_expand_builtin): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr. (sparc_expand_builtin): Use new CALL_EXPR accessors. * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise. (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR accessors on it. Fix callers. (ix86_expand_store_builtin): Likewise. (ix86_expand_unop_builtin): Likewise. (ix86_expand_unop1_builtin): Likewise. (ix86_expand_sse_compare): Likewise. (ix86_expand_sse_comi): Likewise. (ix86_expand_vec_init_builtin): Likewise. (ix86_expand_vec_ext_builtin): Likewise. (ix86_expand_vec_set_builtin): Likewise. (ix86_expand_builtin): Use new CALL_EXPR accessors. * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors. * config/c4x/c4x.c (c4x_expand_builtin): Likewise. * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (iq2000_expand_builtin): Use new CALL_EXPR accessors. * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use build_call_expr. * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise. (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (altivec_expand_abs_builtin): Likewise. (rs6000_expand_binop_builtin): Likewise. (altivec_expand_predicate_builtin): Likewise. (altivec_expand_lv_builtin): Likewise. (spe_expand_stv_builtin): Likewise. (altivec_expand_stv_builtin): Likewise. (rs6000_expand_ternop_builtin): Likewise. (altivec_expand_ld_builtin): Use new CALL_EXPR accessors. (altivec_expand_st_builtin): Likewise. (altivec_expand_dst_builtin): Likewise. (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (altivec_expand_vec_set_builtin): Likewise. (altivec_expand_vec_ext_builtin): Likewise. (altivec_expand_builtin): Use new CALL_EXPR accessors. (spe_expand_builtin): Likewise. (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (spe_expand_evsel_builtin): Likewise. (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and FCFSX cases must construct whole new CALL_EXPR, not just arglist. * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (arm_expand_unop_builtin): Likewise. (arm_expand_builtin): Use new CALL_EXPR accessors. * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR accessors. * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR instead of arglist. Use new CALL_EXPR accessors. Fix callers. (bfin_expand_unop_builtin): Likewise. (bfin_expand_builtin): Use new CALL_EXPR accessors. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * c-semantics.c (build_stmt): Add internal diagnostic check. * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR accessors. Print arguments explicitly instead of as a list. * c-typeck.c (build_function_call): Use new CALL_EXPR constructors. * c-omp.c (c_finish_omp_barrier): Use build_call_expr. (c_finish_omp_flish): Likewise. * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. (check_function_arguments_recurse): Use new CALL_EXPR accessors. (c_warn_unused_result): Likewise. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * cp-tree.def (AGGR_INIT_EXPR): Adjust documentation. Change class to tcc_vl_exp. * call.c (build_call): Use build_call_list instead of build3. (build_over_call): Likewise. (build_new_method_call): Use build_min_non_dep_call_list instead of build_min_non_dep. * error.c (dump_call_expr_args): New function. (dump_aggr_init_expr_args): New function. (dump_expr) <AGGR_INIT_EXPR, CALL_EXPR, INDIRECT_REF>: Use them. Update to use new CALL_EXPR and AGGR_INIT_EXPR accessor macros. * cvt.c (convert_to_void): Use build_call_array instead of build3; use new AGGR_INIT_EXPR accessor macros. * mangle.c (write_expression): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * dump.c (cp_dump_tree) <AGGR_INIT_EXPR>: Update to use new AGGR_INIT_EXPR accessor macros. * cp-gimplify.c (cp_gimplify_init_expr): Use AGGR_INIT_EXPR_SLOT to set the slot operand. * cp-tree.h (AGGR_INIT_EXPR_FN): New macro. (AGGR_INIT_EXPR_SLOT): New macro. (AGGR_INIT_EXPR_ARG): New macro. (aggr_init_expr_nargs): New macro. (AGGR_INIT_EXPR_ARGP): New macro. (aggr_init_expr_arg_iterator): New. (init_aggr_init_expr_arg_iterator): New. (next_aggr_init_expr_arg): New. (first_aggr_init_expr_arg): New. (more_aggr_init_expr_args_p): New. (FOR_EACH_AGGR_INIT_EXPR_ARG): New. (stabilize_aggr_init): New declaration. (build_min_non_dep_call_list): Likewise. * tree.c (process_aggr_init_operands): New function. (build_aggr_init_array) New function. (build_cplus_new): Update to use new CALL_EXPR and AGGR_INIT_EXPR accessor macros. Replace use of build3 with build_aggr_init_array. (build_min_non_dep_call_list) New function. (build_min_nt): Assert input code parameter is not a variable length expression class. (build_min, build_min_non_dep): Likewise. (cp_tree_equal) <CALL_EXPR>: Iterate through the arguments to check for equality instead of recursing. Handle tcc_vl_exp tree code classes. (stabilize_call): Update to only handle CALL_EXPRs, not AGGR_INIT_EXPRs; use new CALL_EXPR accessor macros. (stabilize_aggr_init): New function. (stabilize_init): Use it. * cxx-pretty-print.c (pp_cxx_postfix_expression) <AGGR_INIT_EXPR, CALL_EXPR>: Update to use new CALL_EXPR and AGGR_INIT_EXPR accessor macros and argument iterators. * pt.c (tsubst_copy) <CALL_EXPR>: Replace build_nt with build_vl_exp. Iterate through the operands, recursively processing each one. (tsubst_copy_and_build) <CALL_EXPR>: Update to use new CALL_EXPR accessor macros. (value_dependent_expression_p) <default>: Handle tcc_vl_exp tree code classes. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH. * semantics.c (finish_call_expr): Use build_nt_call_list instead of build_nt. (simplify_aggr_init_expr): Update to use new AGGR_INIT_EXPR accessor macros. Use build_call_array to construct the CALL_EXPR node instead of build3 * decl2.c (build_offset_ref_call_from_tree): Use build_nt_call_list and build_min_non_dep_call_list instead of build_min_nt and build_min_non_dep. * parser.c (cp_parser_postfix_expression) <CPP_OPEN_PAREN>: Use build_nt_call_list instead of build_min_nt. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * java-tree.h (BUILD_MONITOR_ENTER): Use build_call_nary instead of build3. (BUILD_MONITOR_EXIT): Likewise. * java-gimplify.c (java_gimplify_component_ref): Use build_call_expr. (java_gimplify_modify_expr): Likewise. * class.c (cache_this_class_ref): Use build_call_expr. (build_static_field_ref): Likewise. (emit_indirect_register_classes): Likewise. (emit_register_classes): Likewise. * resource.c (write_resource_constructor): Use build_call_expr. * builtins.c (builtin_creator_function): Change interpretation of the second parameter to be the whole CALL_EXPR instead of the arglist. (max_builtin): Tweak parameter list. Use new CALL_EXPR accessors. (min_builtin): Likewise. (abs_builtin): Likewise. (java_build_function_call_expr): Likewise. (convert_real): Likewise. (UNMARSHAL3): Likewise. (UNMARSHAL4): Likewise. (UNMARSHAL5): Likewise. (build_arglist_for_builtin): Delete. Fix callers to use build_call_expr instead. (putObject_builtin): Tweak parameter list. Use new CALL_EXPR accessors. (compareAndSwapInt_builtin): Likewise. (compareAndSwapLong_builtin): Likewise. (compareAndSwapObject_builtin): Likewise. (putVolatile_builtin): Likewise. (getVolatile_builtin): Likewise. (VMSupportsCS8_builtin): Likewise. (check_for_builtin): Pass entire CALL_EXPR to builtin expander instead of arglist. * expr.c (build_java_athrow): Use build_call_nary instead of build3. (build_java_throw_out_of_bounds_exception): Likewise. (java_check_reference): Likewise. (build_java_arraystore_check): Likewise. (build_newarray): Likewise. (build_anewarray): Likewise. (expand_java_multinewarray): Use build_call_list instead of build3. (build_java_monitor): Use build_call_nary instead of build3. (java_create_object): Likewise. (expand_java_NEW): Likewise. (build_instanceof): Likewise. (expand_java_CHECKCAST): Likewise. (build_java_soft_divmod): Likewise. (build_java_binop): Likewise. (build_field_ref): Likewise. (build_class_init): Likewise. (rewrite_arglist_getcaller): Use build_call_expr. (build_invokeinterface): Use build_call_nary instead of build3. (expand_invoke): Use build_call_list instead of build3. (build_jni_stub): Use build_call_nary, build_call_list, or build_call_expr instead of build3. (expand_java_field_op): Use build_call_expr instead of build3. (force_evaluation_order): Use new CALL_EXPR accessors. * lang.c (java_get_callee_fndecl): Use new CALL_EXPR accessors. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * objc-act.c (receiver_is_class_object): Use new CALL_EXPR accessors. (objc_get_callee_fndecl): Likewise. 2007-02-15 Sandra Loosemore <sandra@codesourcery.com> Brooks Moses <brooks.moses@codesourcery.com> Lee Millward <lee.millward@codesourcery.com> * trans-expr.c (gfc_conv_power_op): Use build_call_expr. (gfc_conv_string_tmp): Likewise. (gfc_conv_concat_op): Likewise. (gfc_build_compare_string): Likewise. (gfc_conv_function_call): Use build_call_list instead of build3. * trans-array.c (gfc_trans_allocate_array_storage): Use build_call_expr. (gfc_grow_array): Likewise. (gfc_trans_array_ctor_element): Likewise. (gfc_trans_array_constructor_value): Likewise. (gfc_array_allocate): Likewise. (gfc_array_deallocate): Likewise. (gfc_trans_auto_array_allocation): Likewise. (gfc_trans_dummy_array_bias): Likewise. (gfc_conv_array_parameter): Likewise. (gfc_trans_dealloc_allocated): Likewise. (gfc_duplicate_allocatable): Likewise. * trans-openmp.c (gfc_trans_omp_barrier): Use build_call_expr. (gfc_trans_omp_flush): Likewise. * trans-stmt.c (gfc_conv_elementel_dependencies): Use build_call_expr. (gfc_trans_pause): Likewise. (gfc_trans_stop): Likewise. (gfc_trans_character_select): Likewise. (gfc_do_allocate): Likewise. (gfc_trans_assign_need_temp): Likewise. (gfc_trans_pointer_assign_need_temp): Likewise. (gfc_trans_forall_1): Likewise. (gfc_trans_where_2): Likewise. (gfc_trans_allocate): Likewise. (gfc_trans_deallocate): Likewise. * trans.c (gfc_trans_runtime_check): Use build_call_expr. * trans-io.c (gfc_trans_open): Use build_call_expr. (gfc_trans_close): Likewise. (build_filepos): Likewise. (gfc_trans_inquire): Likewise. (NML_FIRST_ARG): Delete. (NML_ADD_ARG): Delete. (transfer_namelist_element): Use build_call_expr. (build_dt): Likewise. (gfc_trans_dt_end): Likewise. (transfer_expr): Likewise. (transfer_array-desc): Likewise. * trans-decl.c (gfc_generate_function_code): Use build_call_expr. (gfc_generate_constructors): Likewise. * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Use build_call_expr. (gfc_conv_intrinsic_fdate): Likewise. (gfc_conv_intrinsic_ttynam): Likewise. (gfc_conv_intrinsic_array_transfer): Likewise. (gfc_conv_associated): Likewise. (gfc_conv_intrinsic_si_kind): Likewise. (gfc_conv_intrinsic_trim): Likewise. (gfc_conv_intrinsic_repeat: Likewise. (gfc_conv_intrinsic_iargc): Likewise. Co-Authored-By: Brooks Moses <brooks.moses@codesourcery.com> Co-Authored-By: Lee Millward <lee.millward@codesourcery.com> From-SVN: r122018
2007-02-13common.opt: Add Wstrict-overflow and Wstrict-overflow=.Ian Lance Taylor1-10/+27
./: * common.opt: Add Wstrict-overflow and Wstrict-overflow=. * flags.h (warn_strict_overflow): Declare. (enum warn_strict_overflow_code): Define. (issue_strict_overflow_warning): New static inline function. * opts.c (warn_strict_overflow): New variable. (common_handle_option): Handle OPT_Wstrict_overflow and OPT_Wstrict_overflow_. * c-opts.c (c_common_handle_option): Set warn_strict_overflow for OPT_Wall. * fold-const.c: Include intl.h. (fold_deferring_overflow_warnings): New static variable. (fold_deferred_overflow_warning): New static variable. (fold_deferred_overflow_code): New static variable. (fold_defer_overflow_warnings): New function. (fold_undefer_overflow_warnings): New function. (fold_undefer_and_ignore_overflow_warnings): New function. (fold_deferring_overflow_warnings_p): New function. (fold_overflow_warning): New static function. (make_range): Add strict_overflow_p parameter. Change all callers. (extract_muldiv, extract_muldiv_1): Likewise. (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling tree_expr_nonnegative_p. (fold_negate_expr): Call fold_overflow_warning. (fold_range_test): Likewise. (fold_comparison): Likewise. (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p. (tree_expr_nonnegative_warnv_p): Rename from tree_expr_nonnegative_p, add strict_overflow_p parameter. (tree_expr_nonnegative_p): New function. (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add strict_overflow_p parameter. (tree_expr_nonzero_p): New function. * passes.c (verify_interpass_invariants): New static function. (execute_one_pass): Call it. * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold warnings. (number_of_iterations_exit, loop_niter_by_eval): Likewise. (estimate_numbers_of_iterations): Likewise. (scev_probably_wraps_p): Likewise. * tree-ssa-ccp.c: Include "toplev.h". (evaluate_stmt): Defer fold overflow warnings until we know we are going to optimize. (struct fold_stmt_r_data): Add stmt field. (fold_stmt_r): Defer fold overflow warnings until we know we optimized. (fold_stmt): Initialize stmt field of fold_stmt_r_data. (fold_stmt_inplace): Likewise. * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h". (cleanup_control_expr_graph): Defer fold overflow warnings until we know we are going to optimize. * tree-cfg.c (fold_cond_expr_cond): Likewise. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * tree-vrp.c (vrp_expr_computes_nonnegative): Call tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p. * tree-ssa-loop-manip.c (create_iv): Likewise. * c-typeck.c (build_conditional_expr): Likewise. (build_binary_op): Likewise. * tree-vrp.c (vrp_expr_computes_nonzero): Call tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p. (extract_range_from_unary_expr): Likewise. * simplify-rtx.c (simplify_const_relational_operation): Warn when assuming that signed overflow does not occur. * c-common.c (pointer_int_sum): Ignore fold overflow warnings. * tree.h (tree_expr_nonnegative_warnv_p): Declare. (fold_defer_overflow_warnings): Declare. (fold_undefer_overflow_warnings): Declare. (fold_undefer_and_ignore_overflow_warnings): Declare. (fold_deferring_overflow_warnings_p): Declare. (tree_expr_nonzero_warnv_p): Declare. * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list of warning options. (Warning Options): Document -Wstrict-overflow. * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h. (tree-ssa-ccp.o): Likewise. (tree-cfgcleanup.o): Change errors.h dependency to toplev.h. (fold-const.o): Depend on intl.h. testsuite/: * gcc.dg/Wstrict-overflow-1.c: New test. * gcc.dg/Wstrict-overflow-2.c: New test. * gcc.dg/Wstrict-overflow-3.c: New test. * gcc.dg/Wstrict-overflow-4.c: New test. * gcc.dg/Wstrict-overflow-5.c: New test. * gcc.dg/Wstrict-overflow-6.c: New test. * gcc.dg/Wstrict-overflow-7.c: New test. * gcc.dg/Wstrict-overflow-8.c: New test. * gcc.dg/Wstrict-overflow-9.c: New test. * gcc.dg/Wstrict-overflow-10.c: New test. From-SVN: r121895
2007-01-18tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.Jan Hubicka1-3/+1
* tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand. * tree-tailcall (add_virtual_phis): Likewise. (optimize_tail_call): Return TODOs. (execute_tail_calls): Return TODOs. * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO. * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something changed. * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value): Cleanup cfg using TODO. * tree-flow.h (cleanup_tree_cfg_loop): Update prototype. * passes.c (execute_function_todo): When cleanup did something, remove unused locals. * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO. (make_edges): Don't cleanup_cfg. From-SVN: r120900
2007-01-18tree-ssa-ccp.c (ccp_finalize): Return if something changed.Jan Hubicka1-23/+18
* tree-ssa-ccp.c (ccp_finalize): Return if something changed. (execute_ssa_ccp): Return flags conditionally. * tree-ssa-propagate.c (substitue_and_fold): Return if something was changed. * tree-ssa-propagate.h (substitute_and_fold): Update prototype. From-SVN: r120894
2007-01-11re PR tree-optimization/1046 (gcc less efficient than jdk for recursion with ↵Jan Hubicka1-2/+2
-finline-functions) PR tree-optimization/1046 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE when alias info is not ready. (pass_tail_recursion): Do not require aliasing. * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise. * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise. * tree-ssa-copy.c (pass_copy_prop): Likewise. * tree-ssa-forwprop.c (pass_forwprop): Likewise. * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise. * passes.c (init_optimization_passes): Execute rename_ssa_copies, ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion before inlining. * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand): When aliasing is not build, mark statement as volatile. * gcc.dg/tree-ssa/tailrecursion-4.c: Update dump file. * gcc.dg/tree-ssa/tailrecursion-1.c: Update dump file. * gcc.dg/tree-ssa/tailrecursion-2.c: Update dump file. * gcc.dg/tree-ssa/tailrecursion-3.c: Update dump file. * gcc.dg/tree-ssa/pr21658.c: Likewise. * gcc.dg/tree-ssa/pr15349.c: Likewise. * gcc.dg/tree-ssa/pr25501.c: Likewise. * gcc.dg/tree-ssa/vrp11.c: Make more complex so it still test transformation in question. * gcc.dg/tree-ssa/vrp05.c: Likewise. * gcc.dg/tree-ssa/pr20701.c: Likewise. * gcc.dg/always_inline3.c: Likewise. From-SVN: r120681
2007-01-08tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type of offset to build ↵Richard Guenther1-1/+1
the index. 2007-01-08 Richard Guenther <rguenther@suse.de> * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type of offset to build the index. * tree-pretty-print.c (dump_generic_node): Don't build negated const just for printing. * c-pretty-print.c (pp_c_integer_constant): Likewise. * builtins.c (fold_builtin_int_roundingfn): Check if result fits the type by using force_fit_type and comparing the result. * predict.c (predict_loops): Use compare_tree_int for comparison. * tree.c (build_int_cst): Fall back to integer_type_node for NULL_TREE type. (build_int_cst_wide): Assert type is non-null. fortran/ * trans-io.c (transfer_array_desc): Use build_int_cst instead of build_int_cstu. From-SVN: r120586
2007-01-08Better handling of COND_EXPRs in rhsRoberto Costa1-0/+11
From-SVN: r120581
2006-12-11[multiple changes]Diego Novillo1-12/+11
2006-12-11 Diego Novillo <dnovillo@redhat.com> * doc/tree-ssa.texi: Update documentation for virtual operands and the use of push_stmt_changes/pop_stmt_changes. * doc/invoke.texi: Remove documentation for params global-var-threshold. Update documentation on max-aliased-vops. * tree-into-ssa.c: Cleanup comments, variables and spacing in various functions. (regs_to_rename): Declare. (mem_syms_to_rename): Declare. (dump_update_ssa): Declare. (debug_update_ssa): Declare. (dump_names_replaced_by): Declare. (debug_names_replaced_by): Declare. (dump_def_blocks): Declare. (debug_def_blocks): Declare. (dump_defs_stack): Declare. (debug_defs_stack): Declare. (dump_currdefs): Declare. (debug_currdefs): Declare. (mark_def_sites): Do not handle virtual operands. (compute_idf): Rename from find_idf. Update users. (register_new_def): Make local. Convert second argument to 'tree'. Use BLOCK_DEFS_STACK directly. If pushing a non-register, also push the underlying symbol. (rewrite_stmt): Do not handle virtual operands. (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack, dump_currdefs and dump_tree_ssa_stats. (dump_tree_ssa_stats): Also dump REPL_TBL. (replace_use): Remove. Update all users to call SET_USE instead. (rewrite_blocks): Move code to free memory to fini_ssa_renamer. (mark_def_site_blocks): Move initialization code to init_ssa_renamer. (init_ssa_renamer): New. (fini_ssa_renamer): New. (rewrite_into_ssa): Call them. (prepare_block_for_update): Process SSA_OP_ALL_USES first and SSA_OP_ALL_DEFS later. Do not process virtual operands separately. (dump_update_ssa): Call dump_decl_set. (init_update_ssa): Initialize regs_to_rename and mem_syms_to_rename. Call init_ssa_renamer. (delete_update_ssa): Call fini_ssa_renamer. Free blocks_with_phis_to_rewrite. (mark_sym_for_renaming): If the variable has sub-variables, also mark them. If the variable belongs to a partition, also mark it. (mark_set_for_renaming): Call mark_sym_for_renaming on every symbol in the set. (switch_virtuals_to_full_rewrite): Call mark_set_for_renaming. (update_ssa): Separate syms_to_rename into regs_to_rename and mem_syms_to_rename. * tree-dump.c (dump_options): Add TDF_MEMSYMS. * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS. (debug_generic_stmt): Likewise. (debug_tree_chain): Likewise. (dump_symbols): New. (dump_generic_node): Check for TDF_MEMSYMS. Handle MEMORY_PARTITION_TAG. If the statement references memory and TDF_MEMSYMS is given, call dump_symbols. Indicate default names with (D). (dump_vops): Update for new virtual operator format. * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to tree_contains_struct. (tree_code_size): Handle MEMORY_PARTITION_TAG. (tree_node_structure): Likewise. (needs_to_live_in_memory): Handle SSA names. * tree.h (MTAG_P): Likewise. (struct tree_memory_partition_tag): Declare. (MPT_SYMBOLS): Define. (union tree_node): Add field 'mpt'. * treestruct.def (TS_MEMORY_PARTITION_TAG): Define. * tree.def (MEMORY_PARTITION_TAG): Define. * tree-pass.h (TDF_MEMSYMS): Define. * params.h (GLOBAL_VAR_THRESHOLD): Remove. * tree-ssa-alias.c: Include pointer-set.h (struct alias_map_d): Remove fields total_alias_vops, grouped_p and may_aliases. Update all users. (struct mp_info_def): Declare. (mp_info_t): New type. (get_smt_for): Rename from get_tmt_for. Update all users. (add_may_alias): Add argument ALREADY_ADDED. If given, use it to avoid adding duplicate entries to alias sets. (replace_may_alias): Remove. Update all users. (total_alias_vops_cmp): Remove. Update all users. (group_aliases_into): Remove. Update all users. (tree_pointer_compare): Remove. Update all users. (compact_name_tags): Remove. Update all users. (group_aliases): Remove. Update all users. (mark_non_addressable): Move from tree-flow-inline.h. Remove the symbol from the partition holding it, if needed. (dump_mp_info): New. (debug_mp_info): New. (sort_mp_info): New. (create_partition_for): New. (rewrite_alias_set_for): New. (compute_memory_partitions): New. (compute_may_aliases): Call it. (init_alias_info): If computing aliases for the first time, mark every memory symbol for renaming. (have_common_aliases_p): New. (compute_flow_insensitive_aliasing): Call it. (setup_pointers_and_addressables): Do not cache num_referenced_vars. For register promoted symbols, mark their former partition for renaming. (maybe_create_global_var): Only create .GLOBAL_VAR if there are no call-clobbered variables and a mix of pure and non-pure functions were found. (may_alias_p): Tidy comments. (create_tag_raw): Remove unused variable new_type. (dump_alias_info): call dump_memory_partitions. (dump_points_to_info_for): Call dump_decl_set. (may_be_aliased): Tidy comments and formatting. * timevar.def (TV_MEMORY_PARTITIONING): Define. * tree-vectorizer.c (vect_memsyms_to_rename): Rename from vect_vnames_to_rename. Set DECL_UIDs instead of SSA name versions in it. (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs. * tree-vect-transform.c (vect_transform_loop): Call mark_set_for_renaming with vect_memsyms_to_rename. * tree-flow-inline.h (zero_imm_uses_p): New. (memory_partition): New. (set_memory_partition): New. (factoring_name_p): New. (symbol_mem_tag): New. Update every function that used to access the annotation directly. (set_symbol_mem_tag): Likewise. * tree-ssa-copy.c (may_propagate_copy): Allow copies between a partition and a symbol as long as the symbol belongs to the partition. (merge_alias_info): Ignore merge requests when memory partitions are involved. * tree-ssa.c (verify_ssa_name): Check that default definitions have empty defining statements. (verify_use): Remove argument IS_VIRTUAL. Don't call verify_ssa_name. (verify_phi_args): Call verify_ssa_name. (verify_flow_insensitive_alias_info): Handle MPTs. (verify_flow_sensitive_alias_info): Likewise. (verify_name_tags): Likewise. (verify_call_clobbering): Likewise. (verify_ssa): Check for VOPs only after aliasing information is available. Check virtuals and real operands separately. Call verify_ssa_name on every operand. (stmt_references_memory_p): Move to tree-ssa-operands.c. (walk_use_def_chains_1): Guard against NULL PHI arguments. * tree-ssa-operands.c (stmt_references_memory_p): Move from tree-ssa.c. (get_mpt_for): New. (dump_memory_partitions): New. (debug_memory_partitions): New. * tree-flow.h (struct var_ann_d): Add field mpt. (struct stmt_ann_d): Add bitfield references_memory. * Makefile.in (tree-ssa-structalias.o): Include pointer-set.h (tree-ssa-alias.o): Likewise. * tree-ssa-structalias.c: (update_alias_info): Use STORED_SYMS to determine which variables are being written to by the store operation. * tree-ssa-structalias.h (struct alias_info) <total_alias_vops>: Remove. Update all users. <written_vars>: Change to a pointer set. Update all users. <dereferenced_ptrs_store>: Likewise. <dereferenced_ptrs_load>: Likewise. (NUM_REFERENCES): Remove. Update all users. (NUM_REFERENCES_CLEAR): Remove. Update all users. (NUM_REFERENCES_INC): Remove. Update all users. (NUM_REFERENCES_SET): Remove. Update all users. * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove. Update all users. (PARAM_MAX_ALIASED_VOPS): Set to 10. * tree-ssanames.c (make_ssa_name): Initialize SSA_NAME_IS_DEFAULT_DEF to 0. 2006-12-11 Aldy Hernandez <aldyh@redhat.com> * tree-ssa-dse.c (aggregate_vardecl_d): New. (dse_global_data): Add aggregate_vardecl field. (dse_possible_dead_store_p): New. Add prev_defvar variable. Allow immediate uses and previous immediate uses to differ if they are setting different parts of the whole. (get_aggregate_vardecl): New. (dse_record_partial_aggregate_store): New. (dse_whole_aggregate_clobbered_p): New. (dse_partial_kill_p): New. (dse_optimize_stmt): Abstract code checking a possible dead store into new function dse_possible_dead_store_p(). Call dse_maybe_record_aggregate_store(). When checking whether a STMT and its USE_STMT refer to the same memory address, check also for partial kills that clobber the whole. Move some variable definitions to the block where they are used. (aggregate_vardecl_hash): New. (aggregate_vardecl_eq): New. (aggregate_vardecl_free): New. (aggregate_whole_store_p): New. (tree_ssa_dse): Initialize and free aggregate_vardecl. Mark which aggregate stores we care about. 2006-12-11 Andrew Macleod <amacleod@redhat.com> * tree-ssa-operands.h (struct vuse_element_d): Declare. (vuse_element_t): Declare. (struct vuse_vec_d): Declare. (vuse_vec_p): Declare. (VUSE_VECT_NUM_ELEM): Define. (VUSE_VECT_ELEMENT_NC): Define. (VUSE_ELEMENT_PTR_NC): Define. (VUSE_ELEMENT_VAR_NC): Define. (VUSE_VECT_ELEMENT): Define. (VUSE_ELEMENT_PTR): Define. (VUSE_ELEMENT_VAR): Define. (struct maydef_optype_d) <use_var>: Remove. <use_ptr>: Remove. <usev>: Add. (struct vuse_optype_d) <kill_var>: Remove. <use_ptr>: Remove. <usev>: Add. (struct mustdef_optype_d) <kill_var>: Remove. <use_ptr>: Remove. <usev>: Add. (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR. (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR. (VUSE_NUM): Define. (VUSE_VECT): Define. (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR. (MAYDEF_OP): Add argument. Use VUSE_OP. (MAYDEF_NUM): Define. (MAYDEF_VECT): Define. (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR. (MUSTDEF_KILL): Use VUSE_OP. (MUSTDEF_NUM): Define. (MUSTDEF_VECT): Define. (realloc_maydef): Declare. (realloc_vuse): Declare. (struct ssa_operand_iterator_d) <vuse_index>: Add. <mayuse_index>: Add. (LOADED_SYMS): Define. (STORED_SYMS): Define. (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef. * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE operators. * tree-pretty-print.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-flow-inline.h: Likewise. (op_iter_next_mustdef): New. * tree-ssa-operands.c: Likewise. (ALLOC_OPTYPE): Remove. Update all users. (alloc_def): New. (alloc_use): New. (alloc_maydef): New. (alloc_vuse): New. (alloc_mustdef): New. (realloc_maydef): New. (realloc_vuse): New. 2006-12-11 Aldy Hernandez <aldyh@redhat.com> * tree-ssa-operands.c: Remove build_v_must_defs. (init_ssa_operands): Delete build_v_must_defs. (finalize_ssa_v_must_def_ops): Remove. (finalize_ssa_v_must_defs): Remove. (finalize_ssa_stmt_operands): Do not call finalize_ssa_v_must_defs. (start_ssa_stmt_operands): Do not check build_v_must_defs. (append_v_must_def): Delete. (copy_virtual_operands): Do not copy V_MUST_DEFs. (get_modify_expr_operands): Remove reference to V_MUST_DEF from comment. Remove opf_kill_def. (build_ssa_operands): Remove references to v_must_defs. (copy_virtual_operands): Same. (copy_virtual_operands): Same. (fini_ssa_operands): Same. (free_ssa_operands): Same. (add_mustdef_op): Remove. Remove mustdef_optype_p. (alloc_mustdef): Remove. Remove references to V_MUST_DEFs in comment at top of file. (get_expr_operands): Remove opf_kill_def. (opf_kill_def): Remove. (add_virtual_operand): Remove opf_kill_def. (get_indirect_ref_operands): Same. (get_tmr_operands): Same. * tree-vectorizer.c (rename_variables_in_bb): Remove SSA_OP_ALL_KILLS. * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove SSA_OP_ALL_KILLS. (check_loop_closed_ssa_stmt): Same. * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment. (verify_use): Same. (verify_ssa): Remove V_MUST_DEFs traces. (verify_ssa): Remove SSA_OP_ALL_KILLS. * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to SSA_OP_VMAYDEF. (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS. (rewrite_stmt): Remove SSA_OP_ALL_KILLS. * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF references. (MUSTDEF_OPS): Remove. (SSA_OP_VMUSTDEF): Remove. (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove. (struct mustdef_optype_d): Remove. Remove mustdef_optype_p. (struct stmt_operands_d): Remove mustdef_ops. (ssa_operand_iterator_d): Remove mustdefs and mustkills. (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF. (MUSTDEF_RESULT_PTR): Remove. (MUSTDEF_RESULT): Remove. (MUSTDEF_KILL_PTR): Remove. (MUSTDEF_KILL): Remove. (MUSTDEF_NUM): Remove. (MUSTDEF_VECT): Remove. (SSA_OP_VIRTUAL_KILLS): Remove. (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS. (SSA_OP_VMUSTKILL): Remove. (SSA_OP_ALL_KILLS): Remove. (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS. * tree-flow-inline.h (op_iter_init_def): Remove SSA_OP_VIRTUAL_KILLS. (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS. * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove SSA_OP_VIRTUAL_KILLS. * tree-ssa-loop-im.c (determine_max_movement): Remove SSA_OP_VIRTUAL_KILLS. (gather_mem_refs_stmt): Same. (gather_mem_refs_stmt): Same. * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete. (perform_tree_ssa_dce): Remove call to mark_really_necessary_kill_operand_phis. * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs and mustkills. (op_iter_next_use): Do not check mustkills. (op_iter_next_def): Do not check mustdefs. (op_iter_next_tree): Do not check mustkills or mustdefs. (clear_and_done_ssa_iter): Do not set mustdefs or mustkills. (op_iter_next_maymustdef): Do not check mustkills. (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL. (op_iter_init_mustdef): Remove. * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to SSA_OP_VMAYDEF. * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF. * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments. (visit_assignment): Same. * tree-ssa-copy.c (copy_prop_visit_assignment): Same. * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment. * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF. * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF. Remove kill_p variable. * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs. (dump_dfa_stats): Remove code related to V_MUST_DEFs. (collect_dfa_stats_r): Do not set num_v_must_defs. (mark_new_vars_to_rename): Remove v_must_defs_{before,after} code. * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to SSA_OP_VMAYUSE. * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL. * tree-ssa-propagate.c (stmt_makes_single_store): Remove SSA_OP_VMUSTDEF. From-SVN: r119760
2006-12-11tree-ssa-operands.h (create_ssa_artificial_load_stmt): Rename from ↵Diego Novillo1-9/+19
create_ssa_artficial_load_stmt. * tree-ssa-operands.h (create_ssa_artificial_load_stmt): Rename from create_ssa_artficial_load_stmt. Update all users. * tree-into-ssa.c (register_new_def): Make static. * tree.c (is_global_var): Handle SSA_NAMEs. * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users that used to call gimple_default_def. * tree-ssa-operands.c (push_stmt_changes): New. (pop_stmt_changes): New. Update every pass that modifies statements to bracket modifications with push_stmt_changes/pop_stmt_changes. (discard_stmt_changes): New. * tree-ssa-dom.c (stmts_to_rescan): Change to stack of 'tree *' instead of 'tree'. Update all users. * tree-flow-inline.h (zero_imm_uses_p): New. (symbol_mem_tag): New. Update every function that used to access the annotation directly. (set_symbol_mem_tag): Likewise. * tree-dfa.c (dump_variable): Always show the escape mask. (mark_symbols_for_renaming): Rename from mark_new_vars_to_rename. Update all users. Only mark to rename naked symbols in real and virtual operands. From-SVN: r119746
2006-12-05tree-vrp.c (pass_vrp): Remove PROP_smt_usage.Daniel Berlin1-2/+2
2006-12-05 Daniel Berlin <dberlin@dberlin.org> * tree-vrp.c (pass_vrp): Remove PROP_smt_usage. * tree-complex.c (pass_lower_complex): Ditto. * tree-ssa-ccp.c (pass_ccp): Ditto. (pass_store_ccp): Ditto. * tree-ssa-dom.c (pass_dominator): Ditto. (pass_phi_only_cprop): Ditto. * tree-sra.c (pass_sra): Ditto. * tree-ssa-forwprop.c (pass_forwprop): Ditto. * tree-flow.h (updating_used_alone): Remove. (updating_used_alone): Ditto. * tree-ssa-alias.c (updating_used_alone): Remove variable. (lhs_may_store_to): Remove function. (recalculate_used_alone): Ditto. (compute_may_aliases): Remove used_alone calculation. * tree.h (struct tree_memory_tag): Remove is_used_alone and old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE. * tree-pass.h (PROP_smt_usage): Remove. * passes.c (execute_todo): Remove used alone recalculation. (execute_one_pass): Ditto. * tree-ssa-operands.c (add_virtual_operand): Remove used_alone stuff. From-SVN: r119550
2006-12-05Merge gimple-tuples-branch into mainline.Aldy Hernandez1-13/+13
From-SVN: r119546
2006-12-01[multiple changes]H.J. Lu1-0/+50
2006-12-01 Zdenek Dvorak <dvorakz@suse.cz> PR tree-optimization/29921 * tree-ssa-ccp.c (canonicalize_float_value): New function. (set_lattice_value): Use canonicalize_float_value. 2006-12-01 H.J. Lu <hongjiu.lu@intel.com> Zdenek Dvorak <dvorakz@suse.cz> PR tree-optimization/29921 * gcc.dg/pr29921-2.c: New test. From-SVN: r119401
2006-11-17re PR tree-optimization/29801 (ICE in set_lattice_value (tree-ssa-ccp.c))Zdenek Dvorak1-9/+33
PR tree-optimization/29801 * tree-ssa-ccp.c (get_symbol_constant_value): New function. (get_default_value): Use get_symbol_constant_value. (set_lattice_value): ICE when the value of the constant is changed. (visit_assignment): Ignore VDEFs of read-only variables. * gcc.dg/pr29801.c: New test. From-SVN: r118926
2006-11-16tree-vrp.c (get_value_range): Use XCNEW instead of XNEW and memset.Dirk Mueller1-2/+1
2006-11-16 Dirk Mueller <dmueller@suse.de> * tree-vrp.c (get_value_range): Use XCNEW instead of XNEW and memset. (insert_range_assertions): Use XCNEWVEC instead of XNEWVEC and memset. (vrp_initialize): Same. (vrp_finalize): Same. * tree-ssa-ccp.c (ccp_initialize): Same. * predict.c (tree_bb_level_predictions): Same. * calls.c (expand_call): Same. * tree-ssa-copy.c (init_copy_prop): Same. (fini_copy_prop): Same. * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead of GGC_NEW and memset. * name-lookup.c (begin_scope): Use GGC_CNEW instead of GGC_NEW and memset. From-SVN: r118903
2006-11-09re PR tree-optimization/29738 (Missed constant propagation into loops)Zdenek Dvorak1-179/+121
PR tree-optimization/29738 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments. (ccp_lattice_t): Remove UNKNOWN_VAL. (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node): Do not handle UNKNOWN_VAL. (get_default_value): Set initial value of virtual operands to VARYING. (get_value): Always use get_default_value on uninitialized operands. (set_value_varying, surely_varying_stmt_p): New functions. (set_lattice_value): Do not pass argument to get_value. Do not handle UNKNOWN_VAL. (likely_value): Follow the semantics described in the comment. (ccp_initialize): Use surely_varying_stmt_p. Do not mark phi nodes DONT_SIMULATE_AGAIN. (ccp_fold): Do not pass argument to get_value. (fold_const_aggregate_ref, visit_assignment): Ditto. Do not handle UNKNOWN_VAL. * gcc.dg/tree-ssa/ssa-ccp-14.c: New test. * gcc.dg/tree-ssa/ssa-ccp-15.c: New test. From-SVN: r118602
2006-11-08tree-ssa-propagate.c (set_rhs): Restructure validity tests as a test for ↵Roger Sayle1-5/+8
inclusion rather than as a test for... * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a test for inclusion rather than as a test for exclusion. * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify the condition after calling fold_binary. * fold-const.c (fold_inf_compare): Remove in_gimple_form check. (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise. * builtins.c (fold_builtin_isascii): Likewise. (fold_builtin_isdigit): Likewise. From-SVN: r118593
2006-10-27builtins.c (fold_builtin): Don't generate NOP_EXPR that is going to be ↵Jan Hubicka1-4/+13
thrown away soon when IGNORE is set. * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going to be thrown away soon when IGNORE is set. * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument indicating when return value shall not be computed. * gimplify.c (internal_get_tmp_var): Avoid random tree sharing. From-SVN: r118091
2006-09-05re PR tree-optimization/28935 (Segfault in operand_equal_p with ↵Richard Guenther1-0/+12
-ftree-vectorize -O3) 2006-09-05 Richard Guenther <rguenther@suse.de> PR middle-end/28935 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition of a COND_EXPR. * gcc.dg/pr28935.c: New testcase. From-SVN: r116695
2006-05-16re PR tree-optimization/22303 (CCP does not handle STRING_CSTs)Richard Guenther1-4/+19
2006-05-16 Richard Guenther <rguenther@suse.de> PR tree-optimization/22303 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads from STRING_CSTs. (evaluate_stmt): Fall back to fold_const_aggregate_ref, if ccp_fold did not simplify the statement. * gcc.dg/tree-ssa/ssa-ccp-13.c: New testcase. From-SVN: r113826
2006-04-03builtins.c (dummy_object): Use build_int_cst instead of convert.Roger Sayle1-3/+3
* builtins.c (dummy_object): Use build_int_cst instead of convert. * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert instead of convert. * dojump.c (do_jump): Likewise. * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise. * gimplify.c (gimple_boolify, gimplify_init_constructor, gimplify_boolean_expr): Likewise. * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. * varasm.c (array_size_for_constructor): Likewise. * tree-object-size.c (compute_object_offset): Likewise. From-SVN: r112633
2006-03-02tree-vrp.c (execute_vrp): Return value.Daniel Berlin1-3/+6
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 Novillo1-4/+4
* 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 Berlin1-4/+4
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
2006-03-01re PR middle-end/26022 (ICE with references and virtual functions)Andrew Pinski1-0/+34
2006-01-23 Andrew Pinski <pinskia@physics.uc.edu> PR middle-end/26022 Revert: PR middle-end/24437 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF with a call expr to ... * fold-const.c (fold_ternary) <case CALL_EXPR>: Here. 2006-02-28 Andrew Pinski <pinskia@physics.uc.edu> PR middle-end/26022 * g++.dg/opt/return-slot1.C: New test. From-SVN: r111602
2006-02-18re PR tree-optimization/25680 (Store CCP does not understand REALPART_EXPR < ↵Andrew Pinski1-5/+13
COMPLEX_CST >) 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu> PR tree-opt/25680 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and IMAGPART_EXPR. 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu> PR tree-opt/25680 * testsuite/gcc.dg/tree-ssa/complex-3.c: New test. From-SVN: r111251
2006-01-23re PR middle-end/24437 (OBJ_TYPE_REF handling in fold_stmt should be moved ↵Andrew Pinski1-32/+0
to fold) 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu> PR middle-end/24437 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF with a call expr to ... * fold-const.c (fold_ternary) <case CALL_EXPR>: Here. From-SVN: r110116
2005-12-21tree-data-ref.c (estimate_niter_from_size_of_data): Replace fold_build2 with ↵Kazu Hirata1-5/+5
fold_binary. * tree-data-ref.c (estimate_niter_from_size_of_data): Replace fold_build2 with fold_binary. * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition): Replace fold_build1 with fold_unary. * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2 with fold_binary. From-SVN: r108913
2005-12-19tree-flow.h (struct stmt_ann_d): Remove makes_aliased_loads and ↵Zdenek Dvorak1-3/+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-vn.c (vn_add): Use XNEW.Gabriel Dos Reis1-3/+3
* 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
2005-12-16basic-block.h, [...]: Fix comment typos.Kazu Hirata1-1/+1
* basic-block.h, config/i386/winnt.c, config/pa/pa.c, config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def, reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c, tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos. * doc/invoke.texi, doc/tm.texi: Fix typos. From-SVN: r108626
2005-12-14tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer to a structure ↵Jeff Law1-4/+35
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
2005-12-09tree.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
2005-12-06In gcc/ 2005-12-05 Daniel Berlin <dberlin@dberlin.org>Daniel Berlin1-0/+1
In gcc/ 2005-12-05 Daniel Berlin <dberlin@dberlin.org> * print-tree.c (print_node): Ditto. * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL. * tree-dump.c (dequeue_and_dump): Check for decl_common structure before accessing DECL_ARTIFICIAL. Handle new tag tree codes. * tree-flow-inline.h (clear_call_clobbered): Update for tag changes. (unmodifiable_var_p): Ditto. * tree-flow.h (mem_tag_kind): Remove. (struct var_ann_d): Remove mem_tag_kind member. * tree-gimple.c (is_gimple_reg): Tags are not gimple registers. * tree-pretty-print.c (dump_generic_node): Handle memory tags. * tree-ssa-alias.c (init_alias_info): Update for memory tag changes. (group_aliases): Ditto. (setup_pointers_and_addressables): Ditto. (is_escape_site): Ditto. (may_alias_p): Ditto. (create_tag_raw): New function. (create_memory_tag): Use it. (dump_alias_info): Update for tags. (may_be_aliased): Ditto. (add_type_alias): Ditto. (new_type_alias): Ditto. (create_sft): Ditto. (create_structure_vars): Ditto. * tree-ssa-ccp.c (get_default_value): Ditto. * tree-ssa-operands.c (get_expr_operands): Ditto. (add_stmt_operand): Ditto. (add_call_clobber_ops): Remove duplicated condition. * tree-ssa.c (verify_flow_insensitive_alias_info): Update for tags. * tree-tailcall.c (suitable_for_tail_opt_p): Ditto. * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto. * tree.c (init_ttree): Update structures for new tree codes. (tree_code_size): Update sizes for new tree codes. (make_node_stat): Don't try to set common things on minimal structures. (tree_node_structure): Update for tags. (is_global_var): Ditto. * tree.def: Add new tree codes. * tree.h (MTAG_P): New macro. (TREE_MEMORY_TAG_CHECK): Ditto. (SSA_VAR_P): Update for tags. (struct tree_memory_tag): New structure. (MTAG_GLOBAL): New macro. (union tree_node): Add memory tag member. * treestruct.def (TS_MEMORY_TAG): New. In gcc/cp 2005-12-05 Daniel Berlin <dberlin@dberlin.org> * ptree.c (cxx_print_decl): Update to check for decl_common structure. From-SVN: r108102