ppc-vector-memcpy.c: Test use of VMX for memcpy not initializers.

* gcc.target/powerpc/ppc-vector-memcpy.c: Test use of VMX for memcpy
not initializers.

From-SVN: r201265

gcc/testsuite/ChangeLog

+2013-07-26  David Edelsohn  <dje.gcc@gmail.com>
+
+	* gcc.target/powerpc/ppc-vector-memcpy.c: Test use of VMX for
+	memcpy not initializers.
+
 2013-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/57101

gcc/testsuite/gcc.target/powerpc/ppc-vector-memcpy.c

@@ -3,8 +3,12 @@
 /* { dg-options "-O -maltivec -mno-vsx" } */
 /* { dg-final { scan-assembler "lvx" } } */
 
+#include <string.h>
+
 void foo(void)
 {
-  int x[8] __attribute__((aligned(128))) = { 1, 1, 1, 1, 1, 1, 1, 1 };
-  bar (x);
+  extern int x[8] __attribute__((aligned(128)));
+  int y[8] __attribute__((aligned(128)));
+  memcpy (y, x, sizeof (x));
+  bar (y);
 }