gcc/testsuite/gcc.target/i386/avx2-vinserti128-2.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 void static
   9 avx2_test (void)
  10 {
  11   union256i_q s1, res;
  12   union128i_q s2;
  13   long long int res_ref[4];
  14   int j;
  15
  16   for (j = 0; j < 4; j++)
  17     s1.a[j] = j * j;
  18
  19   for (j = 0; j < 2; j++)
  20     s2.a[j] = j * j * j;
  21
  22   res.x = _mm256_inserti128_si256 (s1.x, s2.x, 0);
  23
  24   memcpy (res_ref, s1.a, 32);
  25   memcpy (res_ref, s2.a, 16);
  26
  27   if (check_union256i_q (res, res_ref))
  28     abort ();
  29
  30   res.x = _mm256_inserti128_si256 (s1.x, s2.x, 1);
  31
  32   memcpy (res_ref, s1.a, 32);
  33   memcpy (res_ref + 2, s2.a, 16);
  34
  35   if (check_union256i_q (res, res_ref))
  36     abort ();
  37 }