cameracv/libs/opencv/cmake/checks/cpu_avx512common.cpp
2023-05-18 21:39:43 +03:00

14 lines
354 B
C++

#if defined __AVX512__ || defined __AVX512F__
#include <immintrin.h>
void test()
{
__m512i zmm = _mm512_setzero_si512();
zmm = _mm512_lzcnt_epi32(zmm);
#if defined __GNUC__ && defined __x86_64__
asm volatile ("" : : : "zmm16", "zmm17", "zmm18", "zmm19");
#endif
}
#else
#error "AVX512-COMMON is not supported"
#endif
int main() { return 0; }