re PR rtl-optimization/25456 (cc0 targets are broken.)

	PR rtl-optimization/25456
	* struct-equiv.c (struct_equiv_improve_checkpoint): Replace
	info->x_start with p->x_start.

From-SVN: r108707

gcc/ChangeLog

+2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
+
+	PR rtl-optimization/25456
+	* struct-equiv.c (struct_equiv_improve_checkpoint): Replace
+	info->x_start with p->x_start.
+
 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
 
 	* simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug

gcc/struct-equiv.c

@@ -249,7 +249,7 @@ struct_equiv_improve_checkpoint (struct struct_equiv_checkpoint *p,
 				 struct equiv_info *info)
 {
 #ifdef HAVE_cc0
-  if (reg_mentioned_p (cc0_rtx, info->x_start) && !sets_cc0_p (info->x_start))
+  if (reg_mentioned_p (cc0_rtx, p->x_start) && !sets_cc0_p (p->x_start))
     return;
 #endif
   if (info->cur.input_count >= IMPOSSIBLE_MOVE_FACTOR)