gcc/testsuite/gcc.target/i386/avx-vaddsubpd-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   int i;
  11   union256d u, s1, s2;
  12   double e [4];
  13
  14   s1.x = _mm256_set_pd (2134.3343,1234.635654,453.345635,54646.464356);
  15   s2.x = _mm256_set_pd (41124.234,2344.2354,8653.65635,856.43576);
  16   u.x = _mm256_addsub_pd (s1.x, s2.x);
  17
  18   for (i = 0; i < 4; i++)
  19     if (i % 2)
  20       e[i] = s1.a[i] + s2.a[i];
  21     else
  22       e[i] = s1.a[i] - s2.a[i];
  23
  24   if (check_union256d (u, e))
  25     abort ();
  26 }