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.
内部配置在暗暗较劲，S26 系列的外观却选择了「退让」。
，这一点在爱思助手下载最新版本中也有详细论述
Unity 或考虑出售中国业务
"We'd have to do some more analysis, but it's probably bronze," she says. "Also we think it was possibly gilded, which would be a coating of gold over the top."