| #include<simdconfig.h> |
| #include<simdfuncs.h> |
| #include<emmintrin.h> |
| |
| #ifdef _MSC_VER |
| int sse2_available() { |
| return 1; |
| } |
| |
| #else |
| #include<cpuid.h> |
| #include<stdint.h> |
| |
| #if defined(__APPLE__) |
| int sse2_available() { return 1; } |
| #else |
| int sse2_available() { |
| return __builtin_cpu_supports("sse2"); |
| } |
| #endif |
| #endif |
| |
| void increment_sse2(float arr[4]) { |
| 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); |
| arr[0] = (float)darr[1]; |
| arr[1] = (float)darr[0]; |
| arr[2] = (float)darr[3]; |
| arr[3] = (float)darr[2]; |
| } |
| |