1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-i64gatherpd512-2.c b/gcc/testsuite/gcc.target/i386/avx512f-i64gatherpd512-2.c
new file mode 100644
index 00000000000..7cb6d82eb00
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-i64gatherpd512-2.c
@@ -0,0 +1,56 @@
+/* { dg-do run } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-require-effective-target avx512f } */
+
+#include "avx512f-check.h"
+
+#define SCALE 2
+
+static void
+compute_gatherqpd (double *res, __mmask8 m8, long long *idx,
+		   double *src, int scale, double *r)
+{
+  int i;
+
+  for (i = 0; i < 8; i++)
+    {
+      if (m8 & (1 << i))
+	r[i] = *(double *) (((unsigned char *) src) + idx[i] * scale);
+      else
+	r[i] = res[i];
+    }
+}
+
+static void
+avx512f_test (void)
+{
+  int i;
+  union512d res;
+  union512i_q idx;
+  double src[8];
+  double res_ref[8];
+  __mmask8 m8 = 0xC5;
+
+  res.x = _mm512_setzero_pd();
+
+  for (i = 0; i < 8; i++)
+    {
+      src[i] = 2.718281828459045 * (i + 1) * (i + 2);
+
+      /* About to gather in reverse order,
+	 divide by 2 to demonstrate scale */
+      idx.a[i] = (64 - (i + 1) * 8) >> 1;
+    }
+
+  res.x = _mm512_mask_i64gather_pd (res.x, m8, idx.x, src, SCALE);
+  compute_gatherqpd (res.a, m8, idx.a, src, SCALE, res_ref);
+
+  if (check_union512d (res, res_ref))
+    abort ();
+
+  res.x = _mm512_i64gather_pd (idx.x, src, SCALE);
+  compute_gatherqpd (res.a, 0xFF, idx.a, src, SCALE, res_ref);
+
+  if (check_union512d (res, res_ref))
+    abort ();
+}