attribs.c (hash_attr, [...]): Constify.

	* attribs.c (hash_attr, eq_attr, init_attributes): Constify.
	* builtins.c (validate_arg, builtin_mathfn_code,
	validate_arglist): Likewise.
	* calls.c (call_expr_flags): Likewise.
	* combine.c (reg_nonzero_bits_for_combine,
	reg_num_sign_bit_copies_for_combine, get_last_value,
	reg_truncated_to_mode): Likewise.
	* emit-rtl.c (subreg_lowpart_p): Likewise.
	* expr.c (highest_pow2_factor_for_target,
	categorize_ctor_elements_1, categorize_ctor_elements,
	count_type_elements, contains_packed_reference,
	highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
	* fold-const.c (may_negate_without_overflow_p, int_const_binop,
	fold_convertible_p, operand_equal_p, tree_swap_operands_p,
	native_encode_int, native_encode_real, native_encode_complex,
	native_encode_vector, native_encode_expr, native_interpret_int,
	native_interpret_real, native_interpret_complex,
	native_interpret_vector, native_interpret_expr): Likewise.
	* function.c (use_register_for_decl): Likewise.
	* gimplify.c (get_name): Likewise.
	* langhooks-def.h (lhd_return_null_const_tree): New.
	(LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
	* langhooks.c (lhd_return_null_const_tree): New.
	* langhooks.h (lang_get_callee_fndecl): Constify.
	* output.h (constructor_static_from_elts_p): Likewise.
	* rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
	* rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
	subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
	* rtlanal.c (cached_nonzero_bits, nonzero_bits1,
	cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
	nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
	* rtlhooks-def.h (reg_nonzero_bits_general,
	reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
	Likewise. 
	* rtlhooks.c (reg_num_sign_bit_copies_general,
	reg_nonzero_bits_general, reg_truncated_to_mode_general):
	Likewise. 
	* stmt.c (warn_if_unused_value, is_body_block): Likewise.
	* stor-layout.c (mode_for_size_tree): Likewise.
	* tree-ssa-loop-im.c (memref_eq): Likewise.
	* tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
	* tree.c (contains_placeholder_p, type_list_equal,
	simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
	Likewise. 
	* tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
	mode_for_size_tree, categorize_ctor_elements, count_type_elements,
	contains_placeholder_p, contains_packed_reference,
	get_callee_fndecl, operand_equal_for_phi_arg_p,
	warn_if_unused_value, is_body_block, native_encode_expr,
	native_interpret_expr, fold_convertible_p, operand_equal_p,
	int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
	validate_arglist, simple_cst_equal, type_list_equal,
	use_register_for_decl, call_expr_flags, get_name,
	highest_pow2_factor): Likewise.
	(const_call_expr_arg_iterator_d,
	init_const_call_expr_arg_iterator, next_const_call_expr_arg,
	first_const_call_expr_arg, more_const_call_expr_args_p,
	FOR_EACH_CONST_CALL_EXPR_ARG): New.
	* varasm.c (constructor_static_from_elts_p): Constify.
	
cp:
	* parser.c (eof_token): Un-constify.
	(cp_lexer_new_main, cp_lexer_new_from_tokens, VEC_alloc,
	cp_lexer_consume_token, cp_lexer_purge_token): Remove spurious
	casts.

java:
	* lang.c (java_get_callee_fndecl): Constify.

objc:
	* objc-act.c (objc_get_callee_fndecl): Constify.
	* objc-act.h (objc_get_callee_fndecl): Likewise.

From-SVN: r127036

1 files changed, 16 insertions, 16 deletions

diff --git a/gcc/builtins.c b/gcc/builtins.c
index 871267b..39b4fcc 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -152,7 +152,7 @@ static tree fold_builtin_strlen (tree);
 static tree fold_builtin_inf (tree, int);
 static tree fold_builtin_nan (tree, tree, int);
 static tree rewrite_call_expr (tree, int, tree, int, ...);
-static bool validate_arg (tree, enum tree_code code);
+static bool validate_arg (const_tree, enum tree_code code);
 static bool integer_valued_real_p (tree);
 static tree fold_trunc_transparent_mathfn (tree, tree);
 static bool readonly_data_expr (tree);
@@ -6984,11 +6984,11 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
    Otherwise the return value is END_BUILTINS.  */
 
 enum built_in_function
-builtin_mathfn_code (tree t)
+builtin_mathfn_code (const_tree t)
 {
-  tree fndecl, arg, parmlist;
-  tree argtype, parmtype;
-  call_expr_arg_iterator iter;
+  const_tree fndecl, arg, parmlist;
+  const_tree argtype, parmtype;
+  const_call_expr_arg_iterator iter;
 
   if (TREE_CODE (t) != CALL_EXPR
       || TREE_CODE (CALL_EXPR_FN (t)) != ADDR_EXPR)
@@ -7002,7 +7002,7 @@ builtin_mathfn_code (tree t)
     return END_BUILTINS;
 
   parmlist = TYPE_ARG_TYPES (TREE_TYPE (fndecl));
-  init_call_expr_arg_iterator (t, &iter);
+  init_const_call_expr_arg_iterator (t, &iter);
   for (; parmlist; parmlist = TREE_CHAIN (parmlist))
     {
       /* If a function doesn't take a variable number of arguments,
@@ -7010,15 +7010,15 @@ builtin_mathfn_code (tree t)
       parmtype = TREE_VALUE (parmlist);
       if (VOID_TYPE_P (parmtype))
 	{
-	  if (more_call_expr_args_p (&iter))
+	  if (more_const_call_expr_args_p (&iter))
 	    return END_BUILTINS;
 	  return DECL_FUNCTION_CODE (fndecl);
 	}
 
-      if (! more_call_expr_args_p (&iter))
+      if (! more_const_call_expr_args_p (&iter))
 	return END_BUILTINS;
       
-      arg = next_call_expr_arg (&iter);
+      arg = next_const_call_expr_arg (&iter);
       argtype = TREE_TYPE (arg);
 
       if (SCALAR_FLOAT_TYPE_P (parmtype))
@@ -10609,7 +10609,7 @@ rewrite_call_expr (tree exp, int skip, tree fndecl, int n, ...)
    a type.  */
   
 static bool
-validate_arg (tree arg, enum tree_code code)
+validate_arg (const_tree arg, enum tree_code code)
 {
   if (!arg)
     return false;
@@ -10624,16 +10624,16 @@ validate_arg (tree arg, enum tree_code code)
    VOID_TYPE.  */
 
 bool
-validate_arglist (tree callexpr, ...)
+validate_arglist (const_tree callexpr, ...)
 {
   enum tree_code code;
   bool res = 0;
   va_list ap;
-  call_expr_arg_iterator iter;
-  tree arg;
+  const_call_expr_arg_iterator iter;
+  const_tree arg;
 
   va_start (ap, callexpr);
-  init_call_expr_arg_iterator (callexpr, &iter);
+  init_const_call_expr_arg_iterator (callexpr, &iter);
 
   do
     {
@@ -10647,13 +10647,13 @@ validate_arglist (tree callexpr, ...)
 	case VOID_TYPE:
 	  /* This signifies an endlink, if no arguments remain, return
 	     true, otherwise return false.  */
-	  res = !more_call_expr_args_p (&iter);
+	  res = !more_const_call_expr_args_p (&iter);
 	  goto end;
 	default:
 	  /* If no parameters remain or the parameter's code does not
 	     match the specified code, return false.  Otherwise continue
 	     checking any remaining arguments.  */
-	  arg = next_call_expr_arg (&iter);
+	  arg = next_const_call_expr_arg (&iter);
 	  if (!validate_arg (arg, code))
 	    goto end;
 	  break;