The Meson Build System http://mesonbuild.com
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
898 B
43 lines
898 B
#include<simdconfig.h> |
|
#include<simdfuncs.h> |
|
#include<stdint.h> |
|
|
|
#ifdef _MSC_VER |
|
#include<intrin.h> |
|
|
|
int sse42_available(void) { |
|
return 1; |
|
} |
|
|
|
#else |
|
|
|
#include<nmmintrin.h> |
|
#include<cpuid.h> |
|
|
|
#ifdef __APPLE__ |
|
int sse42_available(void) { |
|
return 1; |
|
} |
|
#else |
|
int sse42_available(void) { |
|
return __builtin_cpu_supports("sse4.2"); |
|
} |
|
#endif |
|
|
|
#endif |
|
|
|
void increment_sse42(float arr[4]) { |
|
ALIGN_16 double darr[4]; |
|
__m128d val1 = _mm_set_pd(arr[0], arr[1]); |
|
__m128d val2 = _mm_set_pd(arr[2], arr[3]); |
|
__m128d one = _mm_set_pd(1.0, 1.0); |
|
__m128d result = _mm_add_pd(val1, one); |
|
_mm_store_pd(darr, result); |
|
result = _mm_add_pd(val2, one); |
|
_mm_store_pd(&darr[2], result); |
|
_mm_crc32_u32(42, 99); /* A no-op, only here to use an SSE4.2 instruction. */ |
|
arr[0] = (float)darr[1]; |
|
arr[1] = (float)darr[0]; |
|
arr[2] = (float)darr[3]; |
|
arr[3] = (float)darr[2]; |
|
}
|
|
|