1  /* { dg-do run } */
       2  /* { dg-options "-mavx512f -O2" } */
       3  /* { dg-require-effective-target avx512f } */
       4  
       5  #include "avx512f-check.h"
       6  
       7  #define SCALE 2
       8  
       9  static void
      10  compute_scatterqd (__mmask8 m8, long long *idx,
      11  		   int *src, int scale, int *r)
      12  {
      13    int i;
      14  
      15    for (i = 0; i < 8; i++)
      16      {
      17        if (m8 & (1 << i))
      18  	*(int *) (((unsigned char *) r) + idx[i] * scale) = src[i];
      19      }
      20  }
      21  
      22  static void
      23  avx512f_test (void)
      24  {
      25    int i;
      26    union256i_d src;
      27    union512i_q idx;
      28    int res[8] = { 0 };
      29    int res_ref[8] = { 0 };
      30    __mmask8 m8 = 0xC5;
      31  
      32    for (i = 0; i < 8; i++)
      33      {
      34        src.a[i] = 1973 * (i + 1) * (i + 2);
      35  
      36        /* About to gather in reverse order,
      37  	 divide by 2 to demonstrate scale */
      38        idx.a[i] = (32 - (i + 1) * 4) >> 1;
      39      }
      40  
      41    _mm512_mask_i64scatter_epi32 (res, m8, idx.x, src.x, SCALE);
      42    compute_scatterqd (m8, idx.a, src.a, SCALE, res_ref);
      43  
      44    if (checkVi (res, res_ref, 8))
      45      abort ();
      46  
      47    _mm512_i64scatter_epi32 (res, idx.x, src.x, SCALE);
      48    compute_scatterqd (0xFF, idx.a, src.a, SCALE, res_ref);
      49  
      50    if (checkVi (res, res_ref, 8))
      51      abort ();
      52  }