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 20
9
10static void
11init_pblendb (char *src1, char *src2, char *mask, int seed)
12{
13  int i, sign = 1;
14
15  for (i = 0; i < 32; i++)
16    {
17      src1[i] = (i + seed) * (i + seed) * sign;
18      src2[i] = (i + seed + 20) * sign;
19      sign = -sign;
20
21      if (sign > 0)
22	mask[i] = 1 << 7;
23      else
24	mask[i] = 0;
25    }
26}
27
28static void
29calc_pblendb (char *src1, char *src2, char *mask, char *dst)
30{
31  int i;
32
33  memcpy (dst, src1, 32);
34  for (i = 0; i < 32; i++)
35    if (mask[i] & (1 << 7))
36      dst[i] = src2[i];
37}
38
39static void
40avx2_test (void)
41{
42  union256i_b src1, src2, mask, dst;
43  char dst_ref[32];
44  int i;
45
46  for (i = 0; i < NUM; i++)
47    {
48      init_pblendb (src1.a, src2.a, mask.a, i);
49
50      dst.x = _mm256_blendv_epi8 (src1.x, src2.x, mask.x);
51      calc_pblendb (src1.a, src2.a, mask.a, dst_ref);
52
53      if (check_union256i_b (dst, dst_ref))
54	abort ();
55    }
56}
57