-Os -ftracer -momit-leaf-frame-pointer -mpreferred-stack-boundary=2 -Os -mpreferred-stack-boundary=2 -O1 -mpreferred-stack-boundary=2 -O2 -mpreferred-stack-boundary=2 -O3 -mpreferred-stack-boundary=2 -Wno-strict-aliasing -Wpointer-arith -enable-stdcall-fixup