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.
The first animals on Earth may have been sea sponges, study suggests
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The generated icons, at a high resolution, show signs of not having curves and instead showing discrete edges (image attached). Investigate the `fontdue` font renderer to see if there's an issue there.
Now we are in 2026, and on the verge of the GTK 4.22 release. A good time to review how far we’ve come.
慢一点，才能更好看清楚这个命题的答案，明白刀刃到底该砍向哪里。