#include #ifndef I_CAN_HAZ_SIMD #error The correct internal header was not used #endif #include #include #include #ifdef _MSC_VER #include int avx_available(void) { return 1; } #else #include #include #ifdef __APPLE__ /* * Apple ships a broken __builtin_cpu_supports and * some machines in the CI farm seem to be too * old to have AVX so just always return 0 here. */ int avx_available(void) { return 0; } #else int avx_available(void) { return __builtin_cpu_supports("avx"); } #endif #endif void increment_avx(float arr[4]) { double darr[4]; darr[0] = arr[0]; darr[1] = arr[1]; darr[2] = arr[2]; darr[3] = arr[3]; __m256d val = _mm256_loadu_pd(darr); __m256d one = _mm256_set1_pd(1.0); __m256d result = _mm256_add_pd(val, one); _mm256_storeu_pd(darr, result); arr[0] = (float)darr[0]; arr[1] = (float)darr[1]; arr[2] = (float)darr[2]; arr[3] = (float)darr[3]; }