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/* { dg-do run } */

/* { dg-require-effective-target avx2 } */

/* { dg-options "-O2 -mavx2" } */

#include <string.h>

#include "avx2-check.h"

#define N 0xec

static void

compute_pshufd256 (int *s1, unsigned char imm, int *r)

{

  int i;

  for (i = 0; i < 4; i++)

    r[i] = s1[((N & (0x3 << (2 * i))) >> (2 * i))];

  for (i = 0; i < 4; i++)

    r[i + 4] = s1[((N & (0x3 << (2 * i))) >> (2 * i)) + 4];

}

void static

avx2_test (void)

{

  union256i_d s1, res;

  int res_ref[8];

  int i, j, sign = 1;

  int fail = 0;

  for (i = 0; i < 10; i++)

    {

      for (j = 0; j < 8; j++)

        {

          s1.a[j] = j * i * sign;

          sign = -sign;

        }

      res.x = _mm256_shuffle_epi32 (s1.x, N);

      compute_pshufd256 (s1.a, N, res_ref);

      fail += check_union256i_d (res, res_ref);

    }

  if (fail != 0)

    abort ();

}