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, 10 insertions, 10 deletions

diff --git a/gcc/combine.c b/gcc/combine.c
index 2e40d6f..dda1a5b 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -368,11 +368,11 @@ static struct undobuf undobuf;
 
 static int n_occurrences;
 
-static rtx reg_nonzero_bits_for_combine (rtx, enum machine_mode, rtx,
+static rtx reg_nonzero_bits_for_combine (const_rtx, enum machine_mode, const_rtx,
 					 enum machine_mode,
 					 unsigned HOST_WIDE_INT,
 					 unsigned HOST_WIDE_INT *);
-static rtx reg_num_sign_bit_copies_for_combine (rtx, enum machine_mode, rtx,
+static rtx reg_num_sign_bit_copies_for_combine (const_rtx, enum machine_mode, const_rtx,
 						enum machine_mode,
 						unsigned int, unsigned int *);
 static void do_SUBST (rtx *, rtx);
@@ -428,7 +428,7 @@ static void check_conversions (rtx, rtx);
 static void record_dead_and_set_regs_1 (rtx, rtx, void *);
 static void record_dead_and_set_regs (rtx);
 static int get_last_value_validate (rtx *, rtx, int, int);
-static rtx get_last_value (rtx);
+static rtx get_last_value (const_rtx);
 static int use_crosses_set_p (rtx, int);
 static void reg_dead_at_p_1 (rtx, rtx, void *);
 static int reg_dead_at_p (rtx, rtx);
@@ -441,7 +441,7 @@ static void record_promoted_value (rtx, rtx);
 static int unmentioned_reg_p_1 (rtx *, void *);
 static bool unmentioned_reg_p (rtx, rtx);
 static void record_truncated_value (rtx);
-static bool reg_truncated_to_mode (enum machine_mode, rtx);
+static bool reg_truncated_to_mode (enum machine_mode, const_rtx);
 static rtx gen_lowpart_or_truncate (enum machine_mode, rtx);
 
 
@@ -8622,8 +8622,8 @@ simplify_and_const_int (rtx x, enum machine_mode mode, rtx varop,
    a shift, AND, or zero_extract, we can do better.  */
 
 static rtx
-reg_nonzero_bits_for_combine (rtx x, enum machine_mode mode,
-			      rtx known_x ATTRIBUTE_UNUSED,
+reg_nonzero_bits_for_combine (const_rtx x, enum machine_mode mode,
+			      const_rtx known_x ATTRIBUTE_UNUSED,
 			      enum machine_mode known_mode ATTRIBUTE_UNUSED,
 			      unsigned HOST_WIDE_INT known_ret ATTRIBUTE_UNUSED,
 			      unsigned HOST_WIDE_INT *nonzero)
@@ -8699,8 +8699,8 @@ reg_nonzero_bits_for_combine (rtx x, enum machine_mode mode,
    be between 1 and the number of bits in MODE.  */
 
 static rtx
-reg_num_sign_bit_copies_for_combine (rtx x, enum machine_mode mode,
-				     rtx known_x ATTRIBUTE_UNUSED,
+reg_num_sign_bit_copies_for_combine (const_rtx x, enum machine_mode mode,
+				     const_rtx known_x ATTRIBUTE_UNUSED,
 				     enum machine_mode known_mode
 				     ATTRIBUTE_UNUSED,
 				     unsigned int known_ret ATTRIBUTE_UNUSED,
@@ -11518,7 +11518,7 @@ record_promoted_value (rtx insn, rtx subreg)
    an explicit truncation.  */
 
 static bool
-reg_truncated_to_mode (enum machine_mode mode, rtx x)
+reg_truncated_to_mode (enum machine_mode mode, const_rtx x)
 {
   reg_stat_type *rsp = VEC_index (reg_stat_type, reg_stat, REGNO (x));
   enum machine_mode truncated = rsp->truncated_to_mode;
@@ -11720,7 +11720,7 @@ get_last_value_validate (rtx *loc, rtx insn, int tick, int replace)
    is known longer known reliably.  */
 
 static rtx
-get_last_value (rtx x)
+get_last_value (const_rtx x)
 {
   unsigned int regno;
   rtx value;