1 files changed, 55 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512bw-vpsubw-2.c b/gcc/testsuite/gcc.target/i386/avx512bw-vpsubw-2.c
new file mode 100644
index 00000000000..4d45e57d2df
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512bw-vpsubw-2.c
@@ -0,0 +1,55 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512bw" } */
+/* { dg-require-effective-target avx512bw } */
+
+#define AVX512BW
+#include "avx512f-helper.h"
+
+#define SIZE (AVX512F_LEN / 16)
+#include "avx512f-mask-type.h"
+
+void
+CALC (short *r, short *s1, short *s2)
+{
+  int i;
+  for (i = 0; i < SIZE; i++)
+    {
+      r[i] = s1[i] - s2[i];
+    }
+}
+
+void
+TEST (void)
+{
+  int i, sign;
+  UNION_TYPE (AVX512F_LEN, i_w) res1, res2, res3, src1, src2;
+  MASK_TYPE mask = MASK_VALUE;
+  short res_ref[SIZE];
+
+  sign = -1;
+  for (i = 0; i < SIZE; i++)
+    {
+      src1.a[i] = 2 + sign * 7 * i % 291;
+      src2.a[i] = 3 + sign * 11 * (i % 377) * i;
+      sign = sign * -1;
+    }
+  for (i = 0; i < SIZE; i++)
+    res2.a[i] = DEFAULT_VALUE;
+
+  res1.x = INTRINSIC (_sub_epi16) (src1.x, src2.x);
+  res2.x = INTRINSIC (_mask_sub_epi16) (res2.x, mask, src1.x, src2.x);
+  res3.x = INTRINSIC (_maskz_sub_epi16) (mask, src1.x, src2.x);
+
+  CALC (res_ref, src1.a, src2.a);
+
+  if (UNION_CHECK (AVX512F_LEN, i_w) (res1, res_ref))
+    abort ();
+
+  MASK_MERGE (i_w) (res_ref, mask, SIZE);
+  if (UNION_CHECK (AVX512F_LEN, i_w) (res2, res_ref))
+    abort ();
+
+  MASK_ZERO (i_w) (res_ref, mask, SIZE);
+  if (UNION_CHECK (AVX512F_LEN, i_w) (res3, res_ref))
+    abort ();
+}