+2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30433
+ * fold-const.c (fold_comparison): Add back the
+ folding of constant complex comparisions.
+
+2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ PR middle-end/30729
+ * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
+ effects unknown to this function, return early.
+
+2007-02-15 Ian Lance Taylor <iant@google.com>
+
+ * lower-subreg.c (move_eh_region_note): New static function.
+ (resolve_simple_move): Call it.
+ (decompose_multiword_subregs): Track blocks for which we resolve a
+ simple move which is also a control flow insn. Pass them to
+ find_many_sub_basic_blocks.
+ (pass_lower_subreg): Add TODO_verify_flow.
+ (pass_lower_subreg2): Likewise.
+
+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 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR c/26494
+ * doc/invoke.texi (Warning Options): Remove
+ -Werror-implicit-function-declaration.
+ (Wimplicit-function-declaration): Update description.
+ * opts.c (common_handle_option): Move handling of -Werror=* to...
+ (enable_warning_as_error): ...here.
+ * opts.h (enable_warning_as_error): Declare.
+ * c-decl.c (implicit_decl_warning): Unless
+ -Wno-implicit-function-declaration is given, emit a pedwarn if
+ -std=c99 or emit a warning if -Wimplicit-function-declaration.
+ * c.opt (Wimplicit-function-declaration): Replace
+ mesg_implicit_function_declaration with
+ warn_implicit_function_declaration.
+ * c-opts.c (c_common_handle_option):
+ -Werror-implicit-function-declaration is exactly equal as
+ -Werror=implicit-function-declaration.
+ (set_Wimplicit): Replace mesg_implicit_function_declaration with
+ warn_implicit_function_declaration.
+ (c_common_post_options): -Wimplict-function-declaration is enabled
+ by default by -std=c99, otherwise is disabled by default.
+ * c-objc-common.c (c_objc_common_init): Remove flawed logic.
+
+2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gimplify.c (gimplify_modify_expr): During gimplification, attach a
+ DECL on the rhs to a DECL on the lhs for debug info purposes if the
+ former is ignored but not the latter.
+
+2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
+ is made and the reference doesn't use the alias set of its type,
+ do not create the temporary using that type.
+
+2007-02-15 Aldy Hernandez <aldyh@redhat.com>
+
+ * jump.c: Remove prototypes for delete_computation and
+ delete_prior_computation.
+
+2007-02-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * jump.c (get_label_after): Delete.
+ (get_label_before, delete_computation, delete_jump,
+ delete_prior_computation, follow_jumps): Move...
+ * reorg.c (delete_computation, delete_prior_computation): ... here...
+ (get_label_before, delete_jump): ... making these static ...
+ (follow_jumps): ... and simplifying this since it only runs after
+ reload.
+ * rtl.h (get_label_after, get_label_before, delete_jump,
+ follow_jumps): Delete prototypes.
+
+2007-02-15 Paolo Bonzini <bonzini@gnu.org>
+
+ * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
+
+2007-02-15 Nick Clifton <nickc@redhat.com>
+
+ * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
+ order to prevent it from being munged by the target.
+
+2007-02-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Remove misleading comment.
+
+2007-02-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
+ reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
+ invalid patterns.
+
2007-02-15 Alexandre Oliva <aoliva@redhat.com>
* tree-sra.c (instantiate_missing_elements): Canonicalize
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