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
avx_test(void)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 }
30