gcc/testsuite/gcc.target/i386/avx-vshufpd-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 #ifndef MASK
   8 #define MASK 10
   9 #endif
  10
  11 void static
  12 avx_test (void)
  13 {
  14   union256d u, s1, s2;
  15   double e [4];
  16
  17   s1.x = _mm256_set_pd (2134.3343,1234.635654,453.345635,54646.464356);
  18   s2.x = _mm256_set_pd (41124.234,2344.2354,8653.65635,856.43576);
  19   u.x = _mm256_shuffle_pd (s1.x, s2.x, MASK);
  20
  21   e[0] = (MASK & (1 << 0)) ? s1.a[1] : s1.a[0];
  22   e[1] = (MASK & (1 << 1)) ? s2.a[1] : s2.a[0];
  23   e[2] = (MASK & (1 << 2)) ? s1.a[3] : s1.a[2];
  24   e[3] = (MASK & (1 << 3)) ? s2.a[3] : s2.a[2];
  25
  26   if (check_union256d (u, e))
  27     abort ();
  28 }