s390.c (s390_expand_atomic): Adjust QI/HI atomic nand to the changed 4.4 semantic.

2008-11-20  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gcc/config/s390/s390.c (s390_expand_atomic): Adjust QI/HI atomic
	nand to the changed 4.4 semantic.

From-SVN: r142063

gcc/ChangeLog

+2008-11-20  Andreas Krebbel  <krebbel1@de.ibm.com>
+
+	* gcc/config/s390/s390.c (s390_expand_atomic): Adjust QI/HI atomic
+	nand to the changed 4.4 semantic.
+
 2008-11-20  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/29215

gcc/config/s390/s390.c

@@ -4681,10 +4681,10 @@ s390_expand_atomic (enum machine_mode mode, enum rtx_code code,
 				 NULL_RTX, 1, OPTAB_DIRECT);
       break;
     case MULT: /* NAND */
-      new_rtx = expand_simple_binop (SImode, XOR, new_rtx, ac.modemask,
-				 NULL_RTX, 1, OPTAB_DIRECT);
       new_rtx = expand_simple_binop (SImode, AND, new_rtx, val,
 				 NULL_RTX, 1, OPTAB_DIRECT);
+      new_rtx = expand_simple_binop (SImode, XOR, new_rtx, ac.modemask,
+				 NULL_RTX, 1, OPTAB_DIRECT);
       break;
     default:
       gcc_unreachable ();