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 203
9 #endif
10
select4(const float * src,unsigned int control)11 float select4(const float *src, unsigned int control)
12 {
13 switch(control) {
14 case 0:
15 return src[0];
16 case 1:
17 return src[1];
18 case 2:
19 return src[2];
20 case 3:
21 return src[3];
22 }
23 return -1;
24 }
25
26
27 void static
avx_test(void)28 avx_test (void)
29 {
30 union256 u, s1, s2;
31 float e [8];
32
33 s1.x = _mm256_set_ps (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8);
34 s2.x = _mm256_set_ps (2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8);
35 u.x = _mm256_shuffle_ps (s1.x, s2.x, MASK);
36
37
38 e[0] = select4(s1.a, (MASK >> 0) & 0x3);
39 e[1] = select4(s1.a, (MASK >> 2) & 0x3);
40 e[2] = select4(s2.a, (MASK >> 4) & 0x3);
41 e[3] = select4(s2.a, (MASK >> 6) & 0x3);
42 e[4] = select4(s1.a+4, (MASK >> 0) & 0x3);
43 e[5] = select4(s1.a+4, (MASK >> 2) & 0x3);
44 e[6] = select4(s2.a+4, (MASK >> 4) & 0x3);
45 e[7] = select4(s2.a+4, (MASK >> 6) & 0x3);
46
47 if (check_union256 (u, e))
48 abort ();
49 }
50