The tradeoff is complexity. The microcode must be carefully arranged so that the instructions in delay slots are either useful setup for both paths, or at least harmless if the redirect fires. Not every case is as clean as RETF. When a PLA redirect interrupts an LCALL, the return address is already pushed onto the microcode call stack (yes, the 386 has a microcode call stack) -- the redirected code must account for this stale entry. When multiple protection tests overlap, or when a redirect fires during a delay slot of another jump, the control flow becomes hard to reason about. During the FPGA core implementation, protection delay slot interactions were consistently the most difficult bugs to track down.
washingtonpost.com
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“十五五”规划建议提出：“大力提振消费。”一个个水果新品种从“高价尝鲜”变成日常消费品，表明消费升级不只在购买力更强，也在供给侧更优。做优品质、做强品牌，让消费者在追求性价比的同时也能尝鲜选优，水果产业方能行稳致远，为美好生活增添更多甜蜜滋味。，这一点在旺商聊官方下载中也有详细论述
Arm and de Wit switched themselves and their staff to a four-day week seven years ago.
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