Could switch the compiler from msvc to clang or msys2?

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Based on experience of a large number of software tests, for AMD hardware, simply switching the compiler from MSVC to Clang or MSYS2 will increase the final execution efficiency by more than 5% (even up to 15% in some scenarios). don't known the specific reasons, but some CPU-intensive applications will benefit significantly. For example, the RPCs3 emulator, compiled with clang, will see a significant improvement in performance on AMD hardware.