1  /* { dg-do run } */
       2  /* { dg-options "-mavx2 -O2" } */
       3  /* { dg-require-effective-target avx2 } */
       4  
       5  #include "avx2-check.h"
       6  #include "ssse3-vals.h"
       7  
       8  static void
       9  compute_pmaddwd256 (short *i1, short *i2, int *r)
      10  {
      11    int i;
      12  
      13    for (i = 0; i < 8; i++)
      14      r[i] = ((int) i1[2 * i] * (int) i2[2 * i] +
      15  	    (int) i1[2 * i + 1] * (int) i2[2 * i + 1]);
      16  }
      17  
      18  static void
      19  avx2_test (void)
      20  {
      21    union256i_w s1, s2;
      22    union256i_d res;
      23    int res_ref[8];
      24    int i;
      25    int fail = 0;
      26  
      27    for (i = 0; i < 256; i += 16)
      28      {
      29        s1.x = _mm256_loadu_si256 ((__m256i *) & vals[i]);
      30        s2.x = _mm256_loadu_si256 ((__m256i *) & vals[i + 8]);
      31  
      32        res.x = _mm256_madd_epi16 (s1.x, s2.x);
      33  
      34        compute_pmaddwd256 (s1.a, s2.a, res_ref);
      35  
      36        fail += check_union256i_d (res, res_ref);
      37      }
      38  
      39    if (fail != 0)
      40      abort ();
      41  }