gcc/testsuite/gcc.target/i386/avx2-vpsraw-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_psraw256 (short *s1, long long int *s2, short *r)
  10 {
  11   int i;
  12   long long int count = s2[0];
  13
  14   memset (r, 0, 32);
  15
  16   if (count < 16)
  17     for (i = 0; i < 16; ++i)
  18       r[i] = s1[i] >> count;
  19 }
  20
  21
  22 void static
  23 avx2_test (void)
  24 {
  25   union256i_w s1, res;
  26   union128i_q s2;
  27   short res_ref[16];
  28   int i, j;
  29   int fail = 0;
  30
  31   for (i = 0; i < 10; i++)
  32     {
  33       for (j = 0; j < 16; j++)
  34         s1.a[j] = j * i;
  35
  36       s2.a[0] = i;
  37
  38       res.x = _mm256_sra_epi16 (s1.x, s2.x);
  39
  40       compute_psraw256 (s1.a, s2.a, res_ref);
  41
  42       fail += check_union256i_w (res, res_ref);
  43     }
  44
  45   if (fail != 0)
  46     abort ();
  47 }