regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to `class' parameter.

	* regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
	`class' parameter.
	* struct-equiv.c (note_local_live): Likewise for `y_regno'.

From-SVN: r126811

gcc/ChangeLog

+2007-07-22  Ben Elliston  <bje@au.ibm.com>
+
+	* regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
+	`class' parameter.
+	* struct-equiv.c (note_local_live): Likewise for `y_regno'.
+
 2007-07-20  Richard Guenther  <rguenther@suse.de>
 
 	* tree-cfg.c (verify_expr): COND_EXPRs can have any

gcc/regclass.c

@@ -2444,7 +2444,8 @@ cannot_change_mode_set_regs (HARD_REG_SET *used, enum machine_mode from,
    mode.  */
 
 bool
-invalid_mode_change_p (unsigned int regno, enum reg_class class,
+invalid_mode_change_p (unsigned int regno,
+		       enum reg_class class ATTRIBUTE_UNUSED,
 		       enum machine_mode from)
 {
   struct subregs_of_mode_node dummy, *node;

gcc/struct-equiv.c

@@ -328,7 +328,7 @@ note_local_live (struct equiv_info *info, rtx x, rtx y, int rvalue)
       if (reload_completed)
 	{
 	  unsigned x_regno ATTRIBUTE_UNUSED = REGNO (x);
-	  unsigned y_regno = REGNO (y);
+	  unsigned y_regno ATTRIBUTE_UNUSED = REGNO (y);
 	  enum machine_mode x_mode = GET_MODE (x);
 
 	  if (secondary_reload_class (0, REGNO_REG_CLASS (y_regno), x_mode, x)