gcc/testsuite/gcc.target/i386/avx2-vpsrlvq256-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx2 } */
   3 /* { dg-options "-O2 -mavx2" } */
   4
   5 #include <string.h>
   6 #include "avx2-check.h"
   7
   8 static void
   9 compute_psrlvq256 (long long int *s1, long long int *s2, long long int *r)
  10 {
  11   int i;
  12   long long int count;
  13
  14   for (i = 0; i < 4; ++i)
  15     {
  16       count = s2[i];
  17       r[i] = ((unsigned long long) s1[i]) >> count;
  18     }
  19 }
  20
  21 void static
  22 avx2_test (void)
  23 {
  24   union256i_q s1, s2, res;
  25   long long int res_ref[4];
  26   int i, j, sign = 1;
  27   int fail = 0;
  28
  29   for (i = 0; i < 10; i++)
  30     {
  31       for (j = 0; j < 4; j++)
  32         {
  33           s1.a[j] = j * i * sign;
  34           s2.a[j] = (j + i) >> 2;
  35           sign = -sign;
  36         }
  37
  38       res.x = _mm256_srlv_epi64 (s1.x, s2.x);
  39
  40       compute_psrlvq256 (s1.a, s2.a, res_ref);
  41
  42       fail += check_union256i_q (res, res_ref);
  43     }
  44
  45   if (fail != 0)
  46     abort ();
  47 }