Function cpuid

dlib/simd/simd_check.h:119–125

    #include <intrin.h>

    inline std::array<unsigned int,4> cpuid(int function_id) 
    { 
        std::array<unsigned int,4> info;
        // Load EAX, EBX, ECX, EDX into info
        __cpuid((int*)info.data(), function_id);
        return info;
    }

#elif (defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__i686__) || defined(__amd64__) || defined(__x86_64__))
    #include <cpuid.h>