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_gatherqq (long long *res, __mmask8 m8, long long *idx,
      11  		  long long *src, int scale, long long *r)
      12  {
      13    int i;
      14  
      15    for (i = 0; i < 8; i++)
      16      {
      17        if (m8 & (1 << i))
      18  	r[i] = *(long long *)
      19  	  (((unsigned char *) src) + idx[i] * scale);
      20        else
      21  	r[i] = res[i];
      22      }
      23  }
      24  
      25  static void
      26  avx512f_test (void)
      27  {
      28    int i;
      29    union512i_q idx, res;
      30    long long src[8];
      31    long long res_ref[8];
      32    __mmask8 m8 = 0xC5;
      33  
      34    for (i = 0; i < 8; i++)
      35      {
      36        src[i] = 1983 * (i + 1) * (i + 2);
      37  
      38        /* About to gather in reverse order,
      39  	 divide by 2 to demonstrate scale */
      40        idx.a[i] = (64 - (i + 1) * 8) >> 1;
      41      }
      42  
      43    res.x = _mm512_mask_i64gather_epi64 (res.x, m8, idx.x, src, SCALE);
      44    compute_gatherqq (res.a, m8, idx.a, src, SCALE, res_ref);
      45  
      46    if (check_union512i_q (res, res_ref))
      47      abort ();
      48  
      49    res.x = _mm512_i64gather_epi64 (idx.x, src, SCALE);
      50    compute_gatherqq (res.a, 0xFF, idx.a, src, SCALE, res_ref);
      51  
      52    if (check_union512i_q (res, res_ref))
      53      abort ();
      54  }