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我知道汇编指令LAHF，SAHF可以AH从寄存器加载并存储AH到FLAGS寄存器中。EFLAGS但是我该如何为寄存器做同样的事情呢？是否也有任何具体说明，或者有其他方法可以做到吗？
LAHF
SAHF
AH
FLAGS
EFLAGS