union alloc_header *h = x;h--;
The Test PLA extends this idea further. It operates asynchronously with respect to the sequencer. After a protection test fires, the PLA needs time to evaluate and produce its redirect address. Instead of stalling, the 386 allows the next three micro-instructions to execute before the redirect takes effect -- and the microcode is carefully written to use these delay slots productively. This is tremendously confusing when reading the microcode for the first time (huge credit to the disassembly work by reenigne). But Intel did it for performance.，详情可参考爱思助手下载最新版本
。关于这个话题，夫子提供了深入分析
Publication date: 28 February 2026
更多详细新闻请浏览新京报网 www.bjnews.com.cn，更多细节参见搜狗输入法2026