sync-1.c: Check for cmpxchg8 only if lp64 is true.

	* testsuite/gcc.target/ia64/sync-1.c: Check for cmpxchg8 only if
	lp64 is true.

From-SVN: r146903

gcc/testsuite/ChangeLog

+2009-04-28  Steve Ellcey  <sje@cup.hp.com>
+
+	* testsuite/gcc.target/ia64/sync-1.c: Check for cmpxchg8 only if
+	lp64 is true.
+
 2009-04-28  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/39937

gcc/testsuite/gcc.target/ia64/sync-1.c

@@ -2,7 +2,7 @@
 /* { dg-options "-O2" } */
 /* { dg-final { scan-assembler "xchg4 .*, r0" } } */
 /* { dg-final { scan-assembler "cmpxchg4.*, r0, .*" } } */
-/* { dg-final { scan-assembler "cmpxchg8.*, r0, .*" } } */
+/* { dg-final { scan-assembler "cmpxchg8.*, r0, .*" { target lp64 } } } */
 
 int
 foo1 (int *p)