1  /* { dg-do run } */
       2  /* { dg-options "-mavx2 -O2" } */
       3  /* { dg-require-effective-target avx2 } */
       4  
       5  #include "avx2-check.h"
       6  
       7  static void
       8  compute_pmuludq256 (unsigned int *s1, unsigned int *s2, unsigned long long *r)
       9  {
      10    int i;
      11  
      12    for (i = 0; i < 4; i++)
      13      r[i] = s1[i * 2] * s2[i * 2];
      14  }
      15  
      16  static void
      17  avx2_test (void)
      18  {
      19    union256i_d s1, s2;
      20    union256i_q res;
      21    unsigned long long res_ref[4];
      22    int i, j;
      23    int fail = 0;
      24  
      25    for (i = 0; i < 10; i++)
      26      {
      27        for (j = 0; j < 8; j++)
      28  	{
      29  	  s1.a[j] = i * j;
      30  	  s2.a[j] = j + 20;
      31  	}
      32  
      33        res.x = _mm256_mul_epu32 (s1.x, s2.x);
      34  
      35        compute_pmuludq256 (s1.a, s2.a, res_ref);
      36  
      37        fail += check_union256i_q (res, res_ref);
      38      }
      39  
      40    if (fail != 0)
      41      abort ();
      42  }