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_scatterqps (__mmask8 m8, long long *idx,
11		    float *src, int scale, float *r)
12{
13  int i;
14
15  for (i = 0; i < 8; i++)
16    {
17      if (m8 & (1 << i))
18	*(float *) (((unsigned char *) r) + idx[i] * scale) = src[i];
19    }
20}
21
22static void
23avx512f_test (void)
24{
25  int i;
26  union256 src;
27  union512i_q idx;
28  float res[8] = { 0.0 };
29  float res_ref[8] = { 0.0 };
30  __mmask8 m8 = 0xC5;
31
32  for (i = 0; i < 8; i++)
33    {
34      src.a[i] = 2.718281828459045 * (i + 1) * (i + 2);
35
36      /* About to gather in reverse order,
37	 divide by 2 to demonstrate scale */
38      idx.a[i] = (32 - (i + 1) * 4) >> 1;
39    }
40
41  _mm512_mask_i64scatter_ps (res, m8, idx.x, src.x, SCALE);
42  compute_scatterqps (m8, idx.a, src.a, SCALE, res_ref);
43
44  if (checkVf (res, res_ref, 8))
45    abort ();
46
47  _mm512_i64scatter_ps (res, idx.x, src.x, SCALE);
48  compute_scatterqps (0xFF, idx.a, src.a, SCALE, res_ref);
49
50  if (checkVf (res, res_ref, 8))
51    abort ();
52}
53