vec-cmpne-long.c: Add p8vector_hw require to dg-do run stanza.

[testsuite]

2018-02-02  Will Schmidt  <will_schmidt@vnet.ibm.com>

	* gcc.target/powerpc/vec-cmpne-long.c: Add p8vector_hw require to
	dg-do run stanza.

From-SVN: r257336

gcc/testsuite/ChangeLog

 2018-02-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
 
+	* gcc.target/powerpc/vec-cmpne-long.c: Add p8vector_hw require to
+	dg-do run stanza.
+
+2018-02-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
+
 	* gcc.target/powerpc/fold-vec-abs-int.p9.c: Add powerpc_p9vector_ok
 	requirement.
 	* gcc.target/powerpc/fold-vec-abs-int-fwrapv.p9.c: Same.

gcc/testsuite/gcc.target/powerpc/vec-cmpne-long.c

-/* { dg-do run { target { powerpc64*-*-* } } } */
+/* { dg-do run { target { powerpc64*-*-* && { p8vector_hw } } } } */
 /* { dg-require-effective-target powerpc_p8vector_ok } */
 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
 /* { dg-options "-mcpu=power8 -mpower8-vector -O3" } */