1 files changed, 68 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx512dq-vreducess-2.c b/gcc/testsuite/gcc.target/i386/avx512dq-vreducess-2.c
new file mode 100644
index 0000000..8558c3b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512dq-vreducess-2.c
@@ -0,0 +1,68 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mavx512dq" } */
+/* { dg-require-effective-target avx512dq } */
+
+#define AVX512DQ
+#include "avx512f-helper.h"
+#include <string.h>
+
+#define SIZE (AVX512F_LEN / 64)
+#include "avx512f-mask-type.h"
+
+#define IMM 0x23
+
+void
+CALC (float *r, float *s)
+{
+  int i;
+
+  memcpy (&r[1], &s[1], 2 * sizeof(float));
+
+  for (i = 0; i < 2; i++)
+    {
+      float tmp = (int) (4 * s[i]) / 4.0;
+      r[i] = s[i] - tmp;
+    }
+}
+
+void
+TEST (void)
+{
+  printf("\nsize = %d\n\n", SIZE);
+
+  union128 res1, res2, res3;
+  union128 s1, s2, src;
+  float res_ref[4];
+  MASK_TYPE mask = MASK_VALUE;
+  int j;
+
+  for (j = 0; j < 4; j++)
+    {
+      s1.a[j] = j / 123.456;
+      s2.a[j] = j / 123.456;
+      res_ref[j] = j / 123.456;
+      res1.a[j] = DEFAULT_VALUE;
+      res2.a[j] = DEFAULT_VALUE;
+      res3.a[j] = DEFAULT_VALUE;
+    }
+
+  res1.x = _mm_reduce_ss (s1.x, s2.x, IMM);
+  res2.x = _mm_mask_reduce_ss (s1.x, mask, s1.x, s2.x, IMM);
+  res3.x = _mm_maskz_reduce_ss (mask, s1.x, s2.x, IMM);
+
+  CALC (res_ref, s2.a);
+
+  if (check_union128 (res1, res_ref))
+    abort ();
+ 
+  MASK_MERGE () (res_ref, mask, 1);
+
+  if (check_union128 (res2, res_ref))
+    abort ();
+
+  MASK_ZERO () (res_ref, mask, 1);
+
+  if (check_union128 (res3, res_ref))
+    abort ();
+
+}