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As an aside: the early 386's POPAD instruction has a famous bug. EAX is written in the RNI (run-next-instruction) delay slot via an indirect register file access -- the only instruction that does this. When the next instruction uses a base+index addressing mode, the register file write from POPAD collides with the EA calculation's register file read, corrupting the address. A fitting example of how complex optimizations can lead to problems.，更多细节参见Line官方版本下载
，这一点在safew官方版本下载中也有详细论述
“请分析上述代码的执行流程，输出一段标准的 Mermaid sequenceDiagram 代码。不要解释，只输出代码块。”，推荐阅读雷电模拟器官方版本下载获取更多信息
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