PR middle-end/PR28690

	PR middle-end/PR28690
	* explow.c (break_out_memory_refs): Use simplify_gen_binary rather
	than gen_rtx_fmt_ee to perform more canonicalizations.

From-SVN: r134139

gcc/ChangeLog

+2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
+
+	PR middle-end/PR28690
+	* explow.c (break_out_memory_refs): Use simplify_gen_binary rather
+	than gen_rtx_fmt_ee to perform more canonicalizations.
+
 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
 	PR driver/35665

gcc/explow.c

@@ -305,7 +305,7 @@ break_out_memory_refs (rtx x)
       rtx op1 = break_out_memory_refs (XEXP (x, 1));
 
       if (op0 != XEXP (x, 0) || op1 != XEXP (x, 1))
-	x = gen_rtx_fmt_ee (GET_CODE (x), Pmode, op0, op1);
+	x = simplify_gen_binary (GET_CODE (x), Pmode, op0, op1);
     }
 
   return x;