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 0xCC
8
9 void static
avx_test(void)10 avx_test (void)
11 {
12 union256 u, s1, s2;
13 float e [8];
14
15 s1.x = _mm256_set_ps (1, 2, 3, 4, 5, 6, 7, 8);
16 s2.x = _mm256_set_ps (9, 10, 11, 12, 13, 14, 15, 16);
17 u.x = _mm256_permute2f128_ps (s1.x, s2.x, CONTROL);
18
19 switch (CONTROL & 0x3)
20 {
21 case 0:
22 __builtin_memcpy (e, s1.a, 16);
23 break;
24 case 1:
25 __builtin_memcpy (e, s1.a+4, 16);
26 break;
27 case 2:
28 __builtin_memcpy (e, s2.a, 16);
29 break;
30 case 3:
31 __builtin_memcpy (e, s2.a+4, 16);
32 break;
33 default:
34 abort ();
35 }
36
37 switch ((CONTROL & 0xc)>>2)
38 {
39 case 0:
40 __builtin_memcpy (e+4, s1.a, 16);
41 break;
42 case 1:
43 __builtin_memcpy (e+4, s1.a+4, 16);
44 break;
45 case 2:
46 __builtin_memcpy (e+4, s2.a, 16);
47 break;
48 case 3:
49 __builtin_memcpy (e+4, s2.a+4, 16);
50 break;
51 default:
52 abort ();
53 }
54
55 if (CONTROL & (1<<3))
56 __builtin_memset (e, 0, 16);
57
58 if (CONTROL & (1<<7))
59 __builtin_memset (e+4, 0, 16);
60
61 if (check_union256 (u, e))
62 abort ();
63 }
64