Forward-port gcc.target/i386/avx-vextractf128-256-5.c from 5 branch (PR testsuite/70356)

	Forward-port from 5 branch
	2016-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR testsuite/70356
	* gcc.target/i386/avx-vextractf128-256-5.c: Move
	dg-require-effective-target after dg-do.

	2015-12-30  Kirill Yukhin  <kirill.yukhin@intel.com>

	* gcc.target/i386/avx-vextractf128-256-5.c: New test.

From-SVN: r234580

gcc/testsuite/ChangeLog

+2016-03-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	Forward-port from 5 branch
+	2016-03-30  Jakub Jelinek  <jakub@redhat.com>
+
+	PR testsuite/70356
+	* gcc.target/i386/avx-vextractf128-256-5.c: Move
+	dg-require-effective-target after dg-do.
+
+	2015-12-30  Kirill Yukhin  <kirill.yukhin@intel.com>
+
+	* gcc.target/i386/avx-vextractf128-256-5.c: New test.
+
 2016-03-30  Thomas Schwinge  <thomas@codesourcery.com>
 	    Julian Brown  <julian@codesourcery.com>
 	    Chung-Lin Tang  <cltang@codesourcery.com>

gcc/testsuite/gcc.target/i386/avx-vextractf128-256-5.c

+/* { dg-do assemble { target { ! ia32 } } } */
+/* { dg-require-effective-target avx512f } */
+/* { dg-options "-O2 -mavx512f" } */
+
+#include <immintrin.h>
+
+register __m512d z asm ("zmm16"); /* { dg-warning "call-clobbered register used for global register variable" } */
+
+__m128d foo ()
+{
+  return _mm256_extractf128_pd (_mm512_extractf64x4_pd(z, 0), 1);
+}