#if defined __AVX512__ || defined __AVX512F__ #include 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; }