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/* { dg-do run } */

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

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

#include "avx2-check.h"

static void

compute_pmuldq256 (int *s1, int *s2, long long int *r)

{

  int i;

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

    r[i] = s1[i * 2] * s2[i * 2];

}

static void

avx2_test (void)

{

  union256i_d s1, s2;

  union256i_q res;

  long long int res_ref[4];

  int i, j, sign = 1;

  int fail = 0;

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

    {

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

        {

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

          s2.a[j] = (j + 20) * sign;

          sign = -sign;

        }

      res.x = _mm256_mul_epi32 (s1.x, s2.x);

      compute_pmuldq256 (s1.a, s2.a, res_ref);

      fail += check_union256i_q (res, res_ref);

    }

  if (fail != 0)

    abort ();

}