fold-vec-add-7.c: Require effective target to support __int128.

2016-12-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/fold-vec-add-7.c: Require effective target to
	support __int128.

From-SVN: r243503

gcc/testsuite/ChangeLog

+2016-12-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+	* gcc.target/powerpc/fold-vec-add-7.c: Require effective target to
+	support __int128.
+
 2016-12-09  Kugan Vivekanandarajah  <kuganv@linaro.org>
 
 	PR ipa/78721

gcc/testsuite/gcc.target/powerpc/fold-vec-add-7.c

@@ -3,6 +3,7 @@
 
 /* { dg-do compile } */
 /* { dg-require-effective-target powerpc_p8vector_ok } */
+/* { dg-require-effective-target int128 } */
 /* { dg-options "-maltivec -mvsx -mpower8-vector" } */
 /* { dg-additional-options "-maix64" { target powerpc-ibm-aix* } } */