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/* { dg-do run } */

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

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

#include "avx2-check.h"

static void

compute_pmulhrsw256 (short *s1, short *s2, short *r)

{

  int i;

  int t0;

  for (i = 0; i < 16; i++)

    {

      t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1;

      r[i] = (short) (t0 >> 1);

    }

}

static void

avx2_test (void)

{

  union256i_w s1, s2, res;

  short res_ref[16];

  int i, j, sign = 1;

  int fail = 0;

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

    {

      for (j = 0; j < 16; j++)

        {

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

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

          sign = -sign;

        }

      res.x = _mm256_mulhrs_epi16 (s1.x, s2.x);

      compute_pmulhrsw256 (s1.a, s2.a, res_ref);

      fail += check_union256i_w (res, res_ref);

    }

  if (fail != 0)

    abort ();

}