gcc/testsuite/gcc.target/i386/avx-vhsubpd-256-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx" } */
   4
   5 #include "avx-check.h"
   6
   7 void static
   8 avx_test (void)
   9 {
  10   union256d u, s1, s2;
  11   double e [4];
  12
  13   s1.x = _mm256_set_pd (2134.3343,1234.635654,453.345635,54646.464356);
  14   s2.x = _mm256_set_pd (41124.234,2344.2354,8653.65635,856.43576);
  15   u.x = _mm256_hsub_pd (s1.x, s2.x);
  16
  17   e[0] = s1.a[0] - s1.a[1];
  18   e[1] = s2.a[0] - s2.a[1];
  19   e[2] = s1.a[2] - s1.a[3];
  20   e[3] = s2.a[2] - s2.a[3];
  21
  22   if (check_union256d (u, e))
  23     abort ();
  24 }