|
|
|
|
#include<simdconfig.h>
|
|
|
|
|
#include<simdfuncs.h>
|
|
|
|
|
|
|
|
|
|
#ifdef _MSC_VER
|
|
|
|
|
#include<intrin.h>
|
|
|
|
|
int sse3_available() {
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
#include<pmmintrin.h>
|
|
|
|
|
#include<cpuid.h>
|
|
|
|
|
#include<stdint.h>
|
|
|
|
|
|
|
|
|
|
#if defined(__APPLE__)
|
|
|
|
|
int sse3_available() { return 1; }
|
|
|
|
|
#else
|
|
|
|
|
int sse3_available() {
|
|
|
|
|
return __builtin_cpu_supports("sse3");
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
void increment_sse3(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);
|
|
|
|
|
result = _mm_hadd_pd(val1, val2); /* This does nothing. Only here so we use an SSE3 instruction. */
|
|
|
|
|
arr[0] = (float)darr[1];
|
|
|
|
|
arr[1] = (float)darr[0];
|
|
|
|
|
arr[2] = (float)darr[3];
|
|
|
|
|
arr[3] = (float)darr[2];
|
|
|
|
|
}
|
