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_gatherqq (long long *res, __mmask8 m8, long long *idx,
11		  long long *src, int scale, long long *r)
12{
13  int i;
14
15  for (i = 0; i < 8; i++)
16    {
17      if (m8 & (1 << i))
18	r[i] = *(long long *)
19	  (((unsigned char *) src) + idx[i] * scale);
20      else
21	r[i] = res[i];
22    }
23}
24
25static void
26avx512f_test (void)
27{
28  int i;
29  union512i_q idx, res;
30  long long src[8];
31  long long res_ref[8];
32  __mmask8 m8 = 0xC5;
33
34  for (i = 0; i < 8; i++)
35    {
36      src[i] = 1983 * (i + 1) * (i + 2);
37
38      /* About to gather in reverse order,
39	 divide by 2 to demonstrate scale */
40      idx.a[i] = (64 - (i + 1) * 8) >> 1;
41    }
42
43  res.x = _mm512_mask_i64gather_epi64 (res.x, m8, idx.x, src, SCALE);
44  compute_gatherqq (res.a, m8, idx.a, src, SCALE, res_ref);
45
46  if (check_union512i_q (res, res_ref))
47    abort ();
48
49  res.x = _mm512_i64gather_epi64 (idx.x, src, SCALE);
50  compute_gatherqq (res.a, 0xFF, idx.a, src, SCALE, res_ref);
51
52  if (check_union512i_q (res, res_ref))
53    abort ();
54}
55