1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
#define GNUC_VERSION (__GNUC__*1000 + __GNUC_MAJOR__*10)
#if (GNUC_VERSION >= 4060) || defined(__clang__)
# pragma GCC diagnostic ignored "-Wdeprecated"
#endif
#include <altivec.h>
int main(int argc, char* argv[])
{
#if defined(_ARCH_PWR8)
#ifdef __BUILTIN_CPU_SUPPORTS__
if (__builtin_cpu_is ("power8") || __builtin_cpu_supports ("arch_2_07"))
{
// PWR8
__vector unsigned long long r = {1, 2};
__vector unsigned int s = vec_xl(0, (unsigned int*)argv[0]); // Power7
__vector unsigned long long w = (__vector unsigned long long)r;
__vector unsigned long long x = (__vector unsigned long long)s;
__vector unsigned long long y = vec_xor(w, x);
__vector unsigned long long z = vec_add(y, vec_add(w, x));
__vector unsigned __int128 x2 = { 1000UL };
__vector unsigned __int128 y2 = { 1000000UL };
__vector unsigned __int128 z2 = vec_vadduqm (x2, y2);
return 0;
}
#else
{
// PWR8
__vector unsigned long long r = {1, 2};
__vector unsigned int s = vec_xl(0, (unsigned int*)argv[0]); // Power7
__vector unsigned long long w = (__vector unsigned long long)r;
__vector unsigned long long x = (__vector unsigned long long)s;
__vector unsigned long long y = vec_xor(w, x);
__vector unsigned long long z = vec_add(y, vec_add(w, x));
__vector unsigned __int128 x2 = { 1000UL };
__vector unsigned __int128 y2 = { 1000000UL };
__vector unsigned __int128 z2 = vec_vadduqm (x2, y2);
return 0;
}
#endif
#else
int x[-1]; // fail compile
#endif
return -1;
}
|
