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, 7 insertions, 7 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 0c35acf..2119ab7 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -144,7 +144,7 @@ static void store_constructor (tree, rtx, int, HOST_WIDE_INT);
 static rtx store_field (rtx, HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode,
 			tree, tree, int, bool);
 
-static unsigned HOST_WIDE_INT highest_pow2_factor_for_target (tree, tree);
+static unsigned HOST_WIDE_INT highest_pow2_factor_for_target (const_tree, const_tree);
 
 static int is_aligning_offset (tree, tree);
 static void expand_operands (tree, tree, rtx, rtx*, rtx*,
@@ -4656,7 +4656,7 @@ store_expr (tree exp, rtx target, int call_param_p, bool nontemporal)
 /* Helper for categorize_ctor_elements.  Identical interface.  */
 
 static bool
-categorize_ctor_elements_1 (tree ctor, HOST_WIDE_INT *p_nz_elts,
+categorize_ctor_elements_1 (const_tree ctor, HOST_WIDE_INT *p_nz_elts,
 			    HOST_WIDE_INT *p_elt_count,
 			    bool *p_must_clear)
 {
@@ -4802,7 +4802,7 @@ categorize_ctor_elements_1 (tree ctor, HOST_WIDE_INT *p_nz_elts,
    as "initializer_constant_valid_p (CTOR, TREE_TYPE (CTOR)) != 0".  */
 
 bool
-categorize_ctor_elements (tree ctor, HOST_WIDE_INT *p_nz_elts,
+categorize_ctor_elements (const_tree ctor, HOST_WIDE_INT *p_nz_elts,
 			  HOST_WIDE_INT *p_elt_count,
 			  bool *p_must_clear)
 {
@@ -4819,7 +4819,7 @@ categorize_ctor_elements (tree ctor, HOST_WIDE_INT *p_nz_elts,
    array member at the end of the structure.  */
 
 HOST_WIDE_INT
-count_type_elements (tree type, bool allow_flexarr)
+count_type_elements (const_tree type, bool allow_flexarr)
 {
   const HOST_WIDE_INT max = ~((HOST_WIDE_INT)1 << (HOST_BITS_PER_WIDE_INT-1));
   switch (TREE_CODE (type))
@@ -5928,7 +5928,7 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
    as PACKED.  */
 
 bool
-contains_packed_reference (tree exp)
+contains_packed_reference (const_tree exp)
 {
   bool packed_p = false;
 
@@ -6446,7 +6446,7 @@ safe_from_p (rtx x, tree exp, int top_p)
    This is used in updating alignment of MEMs in array references.  */
 
 unsigned HOST_WIDE_INT
-highest_pow2_factor (tree exp)
+highest_pow2_factor (const_tree exp)
 {
   unsigned HOST_WIDE_INT c0, c1;
 
@@ -6517,7 +6517,7 @@ highest_pow2_factor (tree exp)
    the structure gives the alignment.  */
 
 static unsigned HOST_WIDE_INT
-highest_pow2_factor_for_target (tree target, tree exp)
+highest_pow2_factor_for_target (const_tree target, const_tree exp)
 {
   unsigned HOST_WIDE_INT target_align, factor;