1 files changed, 66 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-vpermi2pd-2.c b/gcc/testsuite/gcc.target/i386/avx512f-vpermi2pd-2.c
new file mode 100644
index 00000000000..a2daca0bd55
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-vpermi2pd-2.c
@@ -0,0 +1,66 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512f" } */
+/* { dg-require-effective-target avx512f } */
+
+#define AVX512F
+
+#include "avx512f-helper.h"
+
+#define SIZE (AVX512F_LEN / 64)
+#include "avx512f-mask-type.h"
+#include "math.h"
+#include "values.h"
+
+static void
+CALC (double *dst, double *src1, long long *ind, double *src2)
+{
+  int i;
+
+  for (i = 0; i < SIZE; i++)
+    {
+      unsigned long long offset = ind[i] & (SIZE - 1);
+      unsigned long long cond = ind[i] & SIZE;
+
+      dst[i] = cond ? src2[offset] : src1[offset];
+    }
+}
+
+void static
+TEST (void)
+{
+  int i, k;
+  UNION_TYPE (AVX512F_LEN, d) s1, s2, res;
+  UNION_TYPE (AVX512F_LEN, i_q) ind;
+  double res_ref[SIZE];
+
+  union
+  {
+    double f;
+    long long i;
+  } ind_copy[SIZE];
+
+  MASK_TYPE mask = MASK_VALUE;
+
+  for (i = 0; i < SIZE; i++)
+    {
+      /* Some of the integer indexes may be interpreted as floating point
+         values in mask-merge mode, that's why we use IND_COPY.  */
+      ind.a[i] = ind_copy[i].i = 17 * (i << 1);
+      s1.a[i] = 42.5 * i + 1;
+      s2.a[i] = 22.5 * i;
+
+      res.a[i] = DEFAULT_VALUE;
+    }
+
+  CALC (res_ref, s1.a, ind.a, s2.a);
+
+  res.x = INTRINSIC (_mask2_permutex2var_pd) (s1.x, ind.x, mask, s2.x);
+
+  /* Standard MASK_MERGE cannot be used since VPERMI2PD in mask-merge mode
+     merges vectors of two different types (_m512d and __m512i).  */
+  for (k = 0; k < SIZE; k++)
+    res_ref[k] = (mask & (1LL << k)) ? res_ref[k] : ind_copy[k].f;
+
+  if (UNION_CHECK (AVX512F_LEN, d) (res, res_ref))
+    abort ();
+}