cfglayout.c (insn_scope, insn_line): Constify.

	* cfglayout.c (insn_scope, insn_line): Constify.
	* emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
	const_double_htab_hash, const_double_htab_eq,
	mem_attrs_htab_hash): Likewise.
	* loop-iv.c (biv_eq): Likewise.
	* print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
	print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
	debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
	Likewise. 
	* rtl-error.c (location_for_asm, diagnostic_for_asm,
	error_for_asm, warning_for_asm, _fatal_insn,
	_fatal_insn_not_found): Likewise. 
	* rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
	rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
	rtl_check_failed_type2, rtl_check_failed_code1,
	rtl_check_failed_code2, rtl_check_failed_code_mode,
	rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
	* rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
	rtl_check_failed_type2, rtl_check_failed_code1,
	rtl_check_failed_code2, rtl_check_failed_code_mode,
	rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
	SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
	shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
	get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
	mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
	rtx_unstable_p, get_integer_term, get_related_value,
	offset_within_block_p, reg_mentioned_p, count_occurrences,
	reg_referenced_p, reg_used_between_p, no_labels_between_p,
	single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
	reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
	find_reg_note, find_regno_note, find_reg_equal_equiv_note,
	find_constant_src, find_reg_fusage, find_regno_fusage,
	pure_call_p, remove_note, side_effects_p, volatile_refs_p,
	volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
	may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
	computed_jump_p, auto_inc_p, in_expr_list_p,
	remove_node_from_expr_list, loc_mentioned_in_p,
	label_is_jump_target_p, reversed_comparison_code_parts,
	debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
	print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
	print_inline_rtx): Likewise.
	* rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
	computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
	rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
	get_integer_term, get_related_value, offset_within_block_p,
	count_occurrences, reg_mentioned_p, no_labels_between_p,
	reg_used_between_p, reg_referenced_p, single_set_2,
	multiple_sets, set_noop_p, refers_to_regno_p,
	reg_overlap_mentioned_p, dead_or_set_p,
	covers_regno_no_parallel_p, covers_regno_p,
	dead_or_set_regno_p, find_reg_note, find_regno_note,
	find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
	find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
	remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
	side_effects_p, may_trap_p_1, may_trap_p,
	may_trap_after_code_motion_p, may_trap_or_fault_p,
	inequality_comparisons_p, tablejump_p, computed_jump_p_1,
	computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
	subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
	* simplify-rtx.c (neg_const_int, plus_minus_operand_p,
	mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
	Likewise. 
	* toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
	warning_for_asm): Likewise.
	* tree.h (print_rtl): Likewise.
	* varasm.c (get_pool_mode): Likewise.

From-SVN: r126922

1 files changed, 6 insertions, 6 deletions

diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c
index 40fedde..590efd1 100644
--- a/gcc/simplify-rtx.c
+++ b/gcc/simplify-rtx.c
@@ -50,8 +50,8 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #define HWI_SIGN_EXTEND(low) \
  ((((HOST_WIDE_INT) low) < 0) ? ((HOST_WIDE_INT) -1) : ((HOST_WIDE_INT) 0))
 
-static rtx neg_const_int (enum machine_mode, rtx);
-static bool plus_minus_operand_p (rtx);
+static rtx neg_const_int (enum machine_mode, const_rtx);
+static bool plus_minus_operand_p (const_rtx);
 static bool simplify_plus_minus_op_data_cmp (rtx, rtx);
 static rtx simplify_plus_minus (enum rtx_code, enum machine_mode, rtx, rtx);
 static rtx simplify_immed_subreg (enum machine_mode, rtx, enum machine_mode,
@@ -67,7 +67,7 @@ static rtx simplify_binary_operation_1 (enum rtx_code, enum machine_mode,
 /* Negate a CONST_INT rtx, truncating (because a conversion from a
    maximally negative number can overflow).  */
 static rtx
-neg_const_int (enum machine_mode mode, rtx i)
+neg_const_int (enum machine_mode mode, const_rtx i)
 {
   return gen_int_mode (- INTVAL (i), mode);
 }
@@ -76,7 +76,7 @@ neg_const_int (enum machine_mode mode, rtx i)
    the most significant bit of machine mode MODE.  */
 
 bool
-mode_signbit_p (enum machine_mode mode, rtx x)
+mode_signbit_p (enum machine_mode mode, const_rtx x)
 {
   unsigned HOST_WIDE_INT val;
   unsigned int width;
@@ -255,7 +255,7 @@ simplify_gen_relational (enum rtx_code code, enum machine_mode mode,
    resulting RTX.  Return a new RTX which is as simplified as possible.  */
 
 rtx
-simplify_replace_rtx (rtx x, rtx old_rtx, rtx new_rtx)
+simplify_replace_rtx (rtx x, const_rtx old_rtx, rtx new_rtx)
 {
   enum rtx_code code = GET_CODE (x);
   enum machine_mode mode = GET_MODE (x);
@@ -3601,7 +3601,7 @@ simplify_plus_minus (enum rtx_code code, enum machine_mode mode, rtx op0,
 
 /* Check whether an operand is suitable for calling simplify_plus_minus.  */
 static bool
-plus_minus_operand_p (rtx x)
+plus_minus_operand_p (const_rtx x)
 {
   return GET_CODE (x) == PLUS
          || GET_CODE (x) == MINUS