#if defined __AVX512__ || defined __AVX512F__ #include void test() { __m512i a, b, c; a = _mm512_madd52hi_epu64(a, b, c); a = _mm512_permutexvar_epi8(a, b); } #else #error "AVX512-CNL is not supported" #endif int main() { return 0; }