1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx2-i64gatherd256-4.c b/gcc/testsuite/gcc.target/i386/avx2-i64gatherd256-4.c
new file mode 100644
index 00000000000..6c4bdd60ab1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx2-i64gatherd256-4.c
@@ -0,0 +1,51 @@
+/* { dg-do run } */
+/* { dg-require-effective-target avx2 } */
+/* { dg-options "-O2 -mavx2" } */
+
+#include <string.h>
+#include "avx2-check.h"
+
+static void
+compute_i64gatherps256 (int *src,
+			int *s1, long long *s2, int *mask, int scale, int *r)
+{
+  int i;
+
+  for (i = 0; i < 4; ++i)
+    if ((mask[i] >> 31) & 1)
+      r[i] = *(int *) (((unsigned char *) s1) + s2[i] * scale);
+    else
+      r[i] = src[i];
+}
+
+void static
+avx2_test (void)
+{
+  int i;
+  union256i_q idx;
+  union128i_d res, src, mask;
+  int s1[4], res_ref[4] = { 0 };
+
+  for (i = 0; i < 4; ++i)
+    {
+      /* Set some stuff */
+      s1[i] = 1973 * (i + 1) * (i + 2);
+
+      /* Set src as something different from s1 */
+      src.a[i] = -s1[i];
+
+      /* Mask out evens */
+      mask.a[i] = i % 2 ? 0 : -1;
+
+      /* About to gather in reverse order,
+         divide by 2 to demonstrate scale */
+      idx.a[i] = (16 - (i + 1) * 4) >> 1;
+    }
+
+  res.x = _mm256_mask_i64gather_epi32 (src.x, s1, idx.x, mask.x, 2);
+
+  compute_i64gatherps256 (src.a, s1, idx.a, mask.a, 2, res_ref);
+
+  if (check_union128i_d (res, res_ref) != 0)
+    abort ();
+}