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_scatterdq (__mmask8 m8, int *idx, long long *src,
      11  		   int scale, long long *r)
      12  {
      13    int i;
      14  
      15    for (i = 0; i < 8; i++)
      16      {
      17        if (m8 & (1 << i))
      18  	*(long long *) (((unsigned char *) r) + idx[i] * scale) =
      19  	  src[i];
      20      }
      21  }
      22  
      23  static void
      24  avx512f_test (void)
      25  {
      26    int i;
      27    union256i_d idx;
      28    union512i_q src;
      29    long long res[8] = { 0 };
      30    long long res_ref[8] = { 0 };
      31    __mmask8 m8 = 0xC5;
      32  
      33    for (i = 0; i < 8; i++)
      34      {
      35        src.a[i] = 1983 * (i + 1) * (i + 2);
      36  
      37        /* About to gather in reverse order,
      38           divide by 2 to demonstrate scale */
      39        idx.a[i] = (64 - (i + 1) * 8) >> 1;
      40      }
      41  
      42    _mm512_mask_i32scatter_epi64 (res, m8, idx.x, src.x, SCALE);
      43    compute_scatterdq (m8, idx.a, src.a, SCALE, res_ref);
      44  
      45    if (checkVl (res, res_ref, 8))
      46      abort ();
      47  
      48    _mm512_i32scatter_epi64 (res, idx.x, src.x, SCALE);
      49    compute_scatterdq (0xFF, idx.a, src.a, SCALE, res_ref);
      50  
      51    if (checkVl (res, res_ref, 8))
      52      abort ();
      53  }