1  /* { dg-do run } */
       2  /* { dg-require-effective-target avx } */
       3  /* { dg-options "-O2 -mavx" } */
       4  
       5  #include "avx-check.h"
       6  
       7  #ifndef OFFSET
       8  #define OFFSET 1
       9  #endif
      10  
      11  #if OFFSET < 0 || OFFSET > 1
      12  #error OFFSET must be within [0..1]
      13  #endif
      14  
      15  void static
      16  avx_test (void)
      17  {
      18    union256 s1;
      19    union128 u;
      20    float e [4];
      21  
      22    s1.x = _mm256_set_ps (24.43, 68.346, 43.35, 546.46, 46.79, 82.78, 82.7, 9.4);
      23    u.x = _mm256_extractf128_ps (s1.x, OFFSET);
      24  
      25    __builtin_memcpy (e, s1.a + OFFSET * 4, sizeof e);
      26  
      27    if (check_union128 (u, e))
      28      abort ();
      29  }