Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c	(revision 203770)
+++ config/i386/i386.c	(working copy)
@@ -16897,8 +16897,10 @@ ix86_fixup_binary_operands (enum rtx_code code, en
 	  src2 = force_reg (mode, src2);
 	  src1 = src2;
 	}
+      else if (rtx_equal_p (dst, src1))
+	src2 = force_reg (mode, src2);
       else
-	src2 = force_reg (mode, src2);
+	src1 = force_reg (mode, src1);
     }
 
   /* If the destination is memory, and we do not have matching source