1/* { dg-do run } */
2/* { dg-options "-mavx512f -O2" } */
3/* { dg-require-effective-target avx512f } */
4
5#include "avx512f-check.h"
6
7#define SCALE 2
8
9static void
10compute_gatherdd (int *res, __mmask16 m16, int *idx,
11		  int *src, int scale, int *r)
12{
13  int i;
14
15  for (i = 0; i < 16; i++)
16    {
17      if (m16 & (1 << i))
18	r[i] = *(int *) (((unsigned char *) src) + idx[i] * scale);
19      else
20	r[i] = res[i];
21    }
22}
23
24static void
25avx512f_test (void)
26{
27  int i;
28  union512i_d idx, res;
29  int src[16];
30  int res_ref[16];
31  __mmask16 m16 = 0xBC5D;
32
33  for (i = 0; i < 16; i++)
34    {
35      src[i] = 1973 * (i + 1) * (i + 2);
36
37      /* About to gather in reverse order,
38	 divide by 2 to demonstrate scale */
39      idx.a[i] = (64 - (i + 1) * 4) >> 1;
40    }
41
42  res.x = _mm512_mask_i32gather_epi32 (res.x, m16, idx.x, src, SCALE);
43  compute_gatherdd (res.a, m16, idx.a, src, SCALE, res_ref);
44
45  if (check_union512i_d (res, res_ref))
46    abort ();
47
48  res.x = _mm512_i32gather_epi32 (idx.x, src, SCALE);
49  compute_gatherdd (res.a, 0xFFFF, idx.a, src, SCALE, res_ref);
50
51  if (check_union512i_d (res, res_ref))
52    abort ();
53}
54