gcc/testsuite/gcc.target/i386/avx-vpermilpd-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 #define CONTROL 5
   8
   9 void static
  10 avx_test (void)
  11 {
  12   union256d u, s1;
  13   double e [4];
  14
  15   s1.x = _mm256_set_pd (2134.3343,1234.635654,453.345635,54646.464356);
  16   u.x = _mm256_permute_pd (s1.x, CONTROL);
  17
  18   e[0] = (CONTROL&0x01) ? s1.a[1] : s1.a[0];
  19   e[1] = (CONTROL&0x02) ? s1.a[1] : s1.a[0];
  20   e[2] = (CONTROL&0x04) ? s1.a[3] : s1.a[2];
  21   e[3] = (CONTROL&0x08) ? s1.a[3] : s1.a[2];
  22
  23   if (check_union256d (u, e))
  24     abort ();
  25 }