参考以下实现，MIPS、ARM、RISV64、X86、X86_64、M68K、S390X、MIPS64、PPC64、LONGARCH32、LONGARCH64等。

    const char* GetPlatformCode() noexcept {
#if defined(__x86_64__) || defined(_M_X64)return "X86_64";
#elif defined(i386) || defined(__i386__) || defined(__i386) || defined(_M_IX86)return "X86_32";
#elif defined(__ARM_ARCH_2__)return "ARMv2";
#elif defined(__ARM_ARCH_3M__)return "ARMv3M";
#elif defined(__ARM_ARCH_3__)return "ARMv3";
#elif defined(__ARM_ARCH_4T__) || defined(__TARGET_ARM_4T)return "ARMv4T";
#elif defined(__ARM_ARCH_5E_)return "ARMv5E"
#elif defined(__ARM_ARCH_5_)return "ARMv5"
#elif defined(__ARM_ARCH_6T2_)return "ARMv6T2";
#elif defined(__ARM_ARCH_6J__)return "ARMv6J";
#elif defined(__ARM_ARCH_6ZK__)return "ARMv6ZK";
#elif defined(__ARM_ARCH_6K__)return "ARMv6K";
#elif defined(__ARM_ARCH_6Z__)return "ARMv6Z";
#elif defined(__ARM_ARCH_6__)return "ARMv6";
#elif defined(__ARM_ARCH_7L__)return "ARMv7L";
#elif defined(__ARM_ARCH_7R__)return "ARMv7R";
#elif defined(__ARM_ARCH_7M__)return "ARMv7M";
#elif defined(__ARM_ARCH_7S__)return "ARMv7S";
#elif defined(__ARM_ARCH_7A__)return "ARMv7A";
#elif defined(__ARM_ARCH_7__)return "ARMv7";
#elif defined(__arm__)return "ARM";
#elif defined(__aarch64__) || defined(_M_ARM64)return "ARMv8A"; /* AARCH64 */
#elif defined(__mips64) || defined(__mips64__)return "MIPS64";
#elif defined(mips) || defined(__mips__) || defined(__mips)
#if defined(__LP64__)return "MIPS64";
#elsereturn "MIPS";
#endif
#elif defined(__sh__)return "SUPERH";
#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) || defined(__POWERPC__) || defined(__ppc__) || defined(__PPC__) || defined(_ARCH_PPC)return "POWERPC";
#elif defined(__PPC64__) || defined(__ppc64__) || defined(_ARCH_PPC64)return "POWERPC64";
#elif defined(__sparc__) || defined(__sparc)return "SPARC";
#elif defined(__m68k__)return "M68K";
#elif defined(__s390x__)return "S390X";
#elif defined(__riscv) || defined(__riscv__) || defined(__riscv32__) || defined(__riscv64__)
#if __riscv_xlen == 32 // https://chromium.googlesource.com/external/webrtc/+/master/rtc_base/system/arch.hreturn "RISC-V";
#elsereturn "RISC-V64"; // 64
#endif
#elif defined(__loongarch32) /* https://github.com/gcc-mirror/gcc/blob/master/gcc/config/loongarch/loongarch.h */return "LOONGARCH32";
#elif defined(__loongarch64) /* https://www.boost.org/doc/libs/1_81_0/boost/predef/architecture/loongarch.h */return "LOONGARCH64";
#elif defined(__loongarch)return sizeof(void*) == 8 ? "LOONGARCH32" : "LOONGARCH64";
#elsereturn "UNKNOWN";
#endif}