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, 8 insertions, 8 deletions

diff --git a/gcc/rtl.h b/gcc/rtl.h
index b65af5f..af39d02 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1044,10 +1044,10 @@ extern bool subreg_offset_representable_p (unsigned int, enum machine_mode,
 					   unsigned int, enum machine_mode);
 extern unsigned int subreg_regno (const_rtx);
 extern unsigned int subreg_nregs (const_rtx);
-extern unsigned HOST_WIDE_INT nonzero_bits (rtx, enum machine_mode);
-extern unsigned int num_sign_bit_copies (rtx, enum machine_mode);
+extern unsigned HOST_WIDE_INT nonzero_bits (const_rtx, enum machine_mode);
+extern unsigned int num_sign_bit_copies (const_rtx, enum machine_mode);
 extern bool constant_pool_constant_p (rtx);
-extern bool truncated_to_mode (enum machine_mode, rtx);
+extern bool truncated_to_mode (enum machine_mode, const_rtx);
 
 
 /* 1 if RTX is a subreg containing a reg that is already known to be
@@ -1496,7 +1496,7 @@ extern rtx operand_subword (rtx, unsigned int, int, enum machine_mode);
 
 /* In emit-rtl.c */
 extern rtx operand_subword_force (rtx, unsigned int, enum machine_mode);
-extern int subreg_lowpart_p (rtx);
+extern int subreg_lowpart_p (const_rtx);
 extern unsigned int subreg_lowpart_offset (enum machine_mode,
 					   enum machine_mode);
 extern unsigned int subreg_highpart_offset (enum machine_mode,
@@ -1697,7 +1697,7 @@ extern int reg_set_p (rtx, rtx);
 extern rtx single_set_2 (const_rtx, const_rtx);
 extern int multiple_sets (const_rtx);
 extern int set_noop_p (const_rtx);
-extern int noop_move_p (rtx);
+extern int noop_move_p (const_rtx);
 extern rtx find_last_value (rtx, rtx *, rtx, int);
 extern int refers_to_regno_p (unsigned int, unsigned int, const_rtx, rtx *);
 extern int reg_overlap_mentioned_p (const_rtx, const_rtx);
@@ -2268,11 +2268,11 @@ struct rtl_hooks
 {
   rtx (*gen_lowpart) (enum machine_mode, rtx);
   rtx (*gen_lowpart_no_emit) (enum machine_mode, rtx);
-  rtx (*reg_nonzero_bits) (rtx, enum machine_mode, rtx, enum machine_mode,
+  rtx (*reg_nonzero_bits) (const_rtx, enum machine_mode, const_rtx, enum machine_mode,
 			   unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT *);
-  rtx (*reg_num_sign_bit_copies) (rtx, enum machine_mode, rtx, enum machine_mode,
+  rtx (*reg_num_sign_bit_copies) (const_rtx, enum machine_mode, const_rtx, enum machine_mode,
 				  unsigned int, unsigned int *);
-  bool (*reg_truncated_to_mode) (enum machine_mode, rtx);
+  bool (*reg_truncated_to_mode) (enum machine_mode, const_rtx);
 
   /* Whenever you add entries here, make sure you adjust rtlhooks-def.h.  */
 };