1/* { dg-do run } */
2/* { dg-options "-mavx2 -O2" } */
3/* { dg-require-effective-target avx2 } */
4
5#include "avx2-check.h"
6
7static void
8compute_pmulld256 (int *s1, int *s2, int *r)
9{
10  int i;
11
12  for (i = 0; i < 8; i++)
13    r[i] = (int) ((long long int) s1[i] * (long long int) s2[i]);
14}
15
16static void
17avx2_test (void)
18{
19  union256i_d s1, s2, res;
20  int res_ref[8];
21  int i, j, sign = 1;
22  int fail = 0;
23
24  for (i = 0; i < 10; i++)
25    {
26      for (j = 0; j < 8; j++)
27	{
28	  s1.a[j] = i * j * sign;
29	  s2.a[j] = (j + 20) * sign;
30	  sign = -sign;
31	}
32
33      res.x = _mm256_mullo_epi32 (s1.x, s2.x);
34
35      compute_pmulld256 (s1.a, s2.a, res_ref);
36
37      fail += check_union256i_d (res, res_ref);
38    }
39
40  if (fail != 0)
41    abort ();
42}
43