1/* { dg-do run } */
2/* { dg-options "-mavx2 -O2" } */
3/* { dg-require-effective-target avx2 } */
4
5#include "avx2-check.h"
6#include <string.h>
7
8#define NUM 10
9
10static void
11init_permd (int *src1, int *src2, int seed)
12{
13  int i, sign = 1;
14
15  for (i = 0; i < 8; i++)
16    {
17      src1[i] = (i + seed) * (i + seed) * sign;
18      src2[i] = (i + seed + 20) * sign;
19      sign = -sign;
20    }
21}
22
23static void
24calc_permd (int *src1, int *src2, int *dst)
25{
26  int i;
27  unsigned temp;
28
29  memcpy (dst, src1, 32);
30  for (i = 0; i < 8; i++)
31    {
32      temp = src2[i];
33      dst[i] = src1[temp & 7];
34    }
35}
36
37static void
38avx2_test (void)
39{
40  union256i_d src1, src2, dst;
41  int dst_ref[8];
42  int i;
43
44  for (i = 0; i < NUM; i++)
45    {
46      init_permd (src1.a, src2.a, i);
47
48      dst.x = _mm256_permutevar8x32_epi32 (src1.x, src2.x);
49      calc_permd (src1.a, src2.a, dst_ref);
50
51      if (check_union256i_d (dst, dst_ref))
52	abort ();
53    }
54}
55