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假设我在 %rdi 中有数字 0xFFFFFFFFFFFFFFFF,在 %rsi 中有 0x7FFFFFFFFFFFFFFF。假设我执行 subl %esi, %edi。零标志会设置为 1 还是 0?或者如果我在低 32 位上执行 addl 会导致溢出。所以添加 %esi, %edi。我的 CF/OF 标志和零标志会设置为 1,还是 ZF 标志会保持为零?