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_phaddd256 (int *i1, int *i2, int *r)
      10  {
      11    int i;
      12  
      13    for (i = 0; i < 2; i++)
      14      r[i + 0] = i1[2 * i] + i1[2 * i + 1];
      15  
      16    for (i = 0; i < 2; i++)
      17      r[i + 2] = i2[2 * i] + i2[2 * i + 1];
      18  
      19    for (i = 0; i < 2; i++)
      20      r[i + 4] = i1[2 * i + 4] + i1[2 * i + 5];
      21  
      22    for (i = 0; i < 2; i++)
      23      r[i + 6] = i2[2 * i + 4] + i2[2 * i + 5];
      24  }
      25  
      26  static void
      27  avx2_test (void)
      28  {
      29    union256i_d s1, s2, res;
      30    int res_ref[8];
      31    int i, j;
      32    int fail = 0;
      33  
      34  
      35    for (i = 0; i < 256; i += 16)
      36      {
      37        s1.x = _mm256_loadu_si256 ((__m256i *) & vals[i]);
      38        s2.x = _mm256_loadu_si256 ((__m256i *) & vals[i + 8]);
      39  
      40        res.x = _mm256_hadd_epi32 (s1.x, s2.x);
      41  
      42        compute_phaddd256 (s1.a, s2.a, res_ref);
      43  
      44        fail += check_union256i_d (res, res_ref);
      45      }
      46  
      47    if (fail != 0)
      48      abort ();
      49  }