gcc/testsuite/gcc.target/i386/avx2-vpsrlvd256-2.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_psrlvd256 (int *s1, int *s2, int *r)
  10 {
  11   int i, count;
  12
  13   for (i = 0; i < 8; ++i)
  14     {
  15       count = s2[i];
  16       r[i] = ((unsigned) s1[i]) >> count;
  17     }
  18 }
  19
  20 void static
  21 avx2_test (void)
  22 {
  23   union256i_d s1, s2, res;
  24   int res_ref[8];
  25   int i, j, sign = 1;
  26   int fail = 0;
  27
  28   for (i = 0; i < 10; i++)
  29     {
  30       for (j = 0; j < 8; j++)
  31         {
  32           s1.a[j] = j * i * sign;
  33           s2.a[j] = (j + i) >> 2;
  34           sign = -sign;
  35         }
  36
  37       res.x = _mm256_srlv_epi32 (s1.x, s2.x);
  38
  39       compute_psrlvd256 (s1.a, s2.a, res_ref);
  40
  41       fail += check_union256i_d (res, res_ref);
  42     }
  43
  44   if (fail != 0)
  45     abort ();
  46 }