1 files changed, 68 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-vpexpandb-2.c b/gcc/testsuite/gcc.target/i386/avx512f-vpexpandb-2.c
new file mode 100644
index 00000000000..0105ddbe20e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-vpexpandb-2.c
@@ -0,0 +1,68 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512f -mavx512vbmi2 -mavx512bw" } */
+/* { dg-require-effective-target avx512f } */
+/* { dg-require-effective-target avx512vbmi2 } */
+
+#define AVX512F
+
+#define AVX512VBMI2
+#include "avx512f-helper.h"
+
+#define SIZE (AVX512F_LEN / 8)
+#include "avx512f-mask-type.h"
+
+static void
+CALC (char *s, char *r, MASK_TYPE mask)
+{
+  int i, k;
+
+  for (i = 0, k = 0; i < SIZE; i++)
+    {
+      if (mask & ((long long)1 << i))
+	r[i] = s[k++];
+    }
+}
+
+void
+TEST (void)
+{
+  UNION_TYPE (AVX512F_LEN, i_b) s1, res1, res2, res3, res4;
+  MASK_TYPE mask = MASK_VALUE;
+  char s2[SIZE];
+  char res_ref1[SIZE];
+  char res_ref2[SIZE];
+  int i, sign = 1;
+
+  for (i = 0; i < SIZE; i++)
+    {
+      s1.a[i] = 12345 * (i + 200) * sign;
+      s2[i] = 67890 * (i + 300) * sign;
+      res1.a[i] = DEFAULT_VALUE;
+      res3.a[i] = DEFAULT_VALUE;
+      sign = -sign;
+    }
+
+  res1.x = INTRINSIC (_mask_expand_epi8) (res1.x, mask, s1.x);
+  res2.x = INTRINSIC (_maskz_expand_epi8) (mask, s1.x);
+  res3.x = INTRINSIC (_mask_expandloadu_epi8) (res3.x, mask, s2);
+  res4.x = INTRINSIC (_maskz_expandloadu_epi8) (mask, s2);
+
+  CALC (s1.a, res_ref1, mask);
+  CALC (s2, res_ref2, mask);
+
+  MASK_MERGE (i_b) (res_ref1, mask, SIZE);
+  if (UNION_CHECK (AVX512F_LEN, i_b) (res1, res_ref1))
+    abort ();
+
+  MASK_ZERO (i_b) (res_ref1, mask, SIZE);
+  if (UNION_CHECK (AVX512F_LEN, i_b) (res2, res_ref1))
+    abort ();
+
+  MASK_MERGE (i_b) (res_ref2, mask, SIZE);
+  if (UNION_CHECK (AVX512F_LEN, i_b) (res3, res_ref2))
+    abort ();
+
+  MASK_ZERO (i_b) (res_ref2, mask, SIZE);
+  if (UNION_CHECK (AVX512F_LEN, i_b) (res4, res_ref2))
+    abort ();
+}