gcc/testsuite/gcc.target/i386/avx2-vpunpcklqdq-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 #define N 0x5
   9
  10 static void
  11 compute_punpcklqdq256 (long long int *s1, long long int *s2, long long int *r)
  12 {
  13   r[0] = s1[0];
  14   r[1] = s2[0];
  15   r[2] = s1[2];
  16   r[3] = s2[2];
  17 }
  18
  19 void static
  20 avx2_test (void)
  21 {
  22   union256i_q s1, s2, res;
  23   long long int res_ref[4];
  24   int i, j;
  25   int fail = 0;
  26
  27   for (i = 0; i < 10; i++)
  28     {
  29       for (j = 0; j < 4; j++)
  30         {
  31           s1.a[j] = j * i;
  32           s2.a[j] = j + 20;
  33         }
  34
  35       res.x = _mm256_unpacklo_epi64 (s1.x, s2.x);
  36
  37       compute_punpcklqdq256 (s1.a, s2.a, res_ref);
  38
  39       fail += check_union256i_q (res, res_ref);
  40     }
  41
  42   if (fail != 0)
  43     abort ();
  44 }