c-common.c (vector_types_convertible_p, [...]): Constify.

	* c-common.c (vector_types_convertible_p,
	decl_with_nonnull_addr_p, c_promoting_integer_type_p,
	self_promoting_args_p): Constify.
	* c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
	c_promoting_integer_type_p, self_promoting_args_p,
	anon_aggr_type_p, vector_types_convertible_p): Likewise.
	* c-decl.c (anon_aggr_type_p): Likewise.
	* * c-dump.c (dump_stmt): Likewise.
	* c-objc-common.c (has_c_linkage): Likewise.
	* c-tree.h (same_translation_unit_p): Likewise.
	* c-typeck.c (null_pointer_constant_p,
	tagged_types_tu_compatible_p, function_types_compatible_p,
	type_lists_compatible_p, lvalue_or_else, lvalue_p,
	comptypes_internal, struct tagged_tu_seen_cache,
	same_translation_unit_p, alloc_tagged_tu_seen_cache,
	c_size_in_bytes): Likewise.
	* ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
	hash_ptr, eq_ptr): Likewise.
	* langhooks-def.h (lhd_decl_ok_for_sibcall,
	LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
	* langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
	* langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
	Likewise.
	* optabs.c (optab_for_tree_code): Likewise.
	* optabs.h (optab_for_tree_code): Likewise.
	* rtl.h (simplify_rtx): Likewise.
	* simplify-rtx.c (simplify_rtx): Likewise.
	* tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
	dump_flag, dump_node): Likewise.
	* tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
	queue_and_dump_type, dump_flag): Likewise.
	* tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
	* tree-pass.h (dump_node): Likewise.
	* tree-vectorizer.c (vect_can_force_dr_alignment_p,
	supportable_narrowing_operation): Likewise.
	* tree-vectorizer.h (vect_can_force_dr_alignment_p,
	supportable_narrowing_operation): Likewise.
	* tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
	is_negative_overflow_infinity, is_positive_overflow_infinity,
	is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
	nonnull_arg_p, get_value_range, vrp_operand_equal_p,
	update_value_range, add_equivalence, ssa_name_nonnegative_p,
	ssa_name_nonzero_p, fp_predicate): Likewise.
	* tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
	* tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
	ssa_name_nonnegative_p): Likewise.

cp:
	* call.c (sufficient_parms_p): Constify.
	* class.c (same_signature_p): Likewise.
	* cp-gimplify.c (is_invisiref_parm,
	cxx_omp_privatize_by_reference): Likewise.
	* cp-objcp-common.c (has_c_linkage): Likewise.
	* cp-tree.h (NON_THUNK_FUNCTION_CHECK, THUNK_FUNCTION_CHECK,
	sufficient_parms_p, same_signature_p, copy_fn_p, move_fn_p,
	grok_ctor_properties, nothrow_libfn_p, skip_artificial_parms_for,
	num_artificial_parms_for, comp_template_parms,
	template_parameter_pack_p, any_dependent_template_arguments_p,
	any_type_dependent_arguments_p, any_value_dependent_elements_p,
	repo_export_class_p, cxx_omp_privatize_by_reference, pod_type_p,
	zero_init_p, member_p, cp_lvalue_kind,
	builtin_valid_in_constant_expr_p, decl_anon_ns_mem_p,
	varargs_function_p, is_dummy_object, special_function_kind,
	string_conv_p, type_unknown_p, comp_except_specs, compparms,
	comp_cv_qualification, is_bitfield_expr_with_lowered_type,
	unlowered_expr_type, ptr_reasonably_similar, cp_type_readonly,
	cp_has_mutable_p, at_least_as_qualified_p,
	invalid_nonstatic_memfn_p, lvalue_or_else, lvalue_p): Likewise.
	* decl.c (copy_fn_p, move_fn_p, grok_ctor_properties): Likewise.
	* except.c (nothrow_libfn_p): Likewise.
	* method.c (skip_artificial_parms_for, num_artificial_parms_for):
	Likewise.
	* pt.c (comp_template_parms, template_parameter_pack_p,
	any_type_dependent_arguments_p, any_value_dependent_elements_p,
	any_dependent_template_arguments_p): Likewise.
	* repo.c (repo_export_class_p): Likewise.
	* semantics.c (anon_aggr_type_p): Likewise.
	* tree.c (lvalue_p_1, real_lvalue_p, lvalue_p,
	builtin_valid_in_constant_expr_p, decl_anon_ns_mem_p,
	varargs_function_p, member_p, is_dummy_object, pod_type_p,
	zero_init_p, special_function_p): Likewise.
	* typeck.c (comp_array_types, type_unknown_p, comp_except_specs,
	comp_array_types, at_least_as_qualified_p, comp_cv_qualification,
	compparms, invalid_nonstatic_memfn_p,
	is_bitfield_expr_with_lowered_type, unlowered_expr_type,
	string_conv_p, ptr_reasonably_similar, cp_type_readonly,
	cp_has_mutable_p, lvalue_or_else): Likewise.

fortran:
	* trans-openmp.c (gfc_omp_privatize_by_reference): Constify.
	* trans.h (gfc_omp_privatize_by_reference): Likewise.

java:
	* lang.c (java_decl_ok_for_sibcall): Likewise.

From-SVN: r127799

1 files changed, 3 insertions, 3 deletions

diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index d9cf023..40337a5 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -5019,10 +5019,10 @@ simplify_gen_subreg (enum machine_mode outermode, rtx op,
     simplification and 1 for tree simplification.  */
 
 rtx
-simplify_rtx (rtx x)
+simplify_rtx (const_rtx x)
 {
-  enum rtx_code code = GET_CODE (x);
-  enum machine_mode mode = GET_MODE (x);
+  const enum rtx_code code = GET_CODE (x);
+  const enum machine_mode mode = GET_MODE (x);
 
   switch (GET_RTX_CLASS (code))
     {