in fbpcf/system/CpuUtil.cpp [23:29]
bool isIntelCpu() { auto info = getCpuId(0); return !( std::memcmp((char*)&info.ebx, "Genu", 4) || std::memcmp((char*)&info.ecx, "ntel", 4) || std::memcmp((char*)&info.edx, "ineI", 4)); }