1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/avx-vextractf128-256-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx-vextractf128-256-1.c
new file mode 100644
index 000000000..4919d640f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/avx-vextractf128-256-1.c
@@ -0,0 +1,29 @@
+/* { dg-do run } */
+/* { dg-require-effective-target avx } */
+/* { dg-options "-O2 -mavx" } */
+
+#include "avx-check.h"
+
+#ifndef OFFSET
+#define OFFSET 1
+#endif
+
+#if OFFSET < 0 || OFFSET > 1
+#error OFFSET must be within [0..1]
+#endif
+
+void static
+avx_test (void)
+{
+  union256d s1;
+  union128d u;
+  double e [2];
+
+  s1.x = _mm256_set_pd (2134.3343,1234.635654,453.345635,54646.464356);
+  u.x = _mm256_extractf128_pd (s1.x, OFFSET);
+
+  __builtin_memcpy (e, s1.a + OFFSET * 2, sizeof e);
+
+  if (check_union128d (u, e))
+    abort ();
+}