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Comment by saagarjha

4 hours ago

Jazelle and micro-ops are not interpreters, they are executed in hardware.

I believe only some parts of Jazelle are handled in hardware, though I don’t know if anybody has got their hands on any of the bits of the software side. I do know there’s documentation on handling unimplemented instructions.

I don’t know how I feel about micro-ops being executed in hardware - I mostly agree, but also, microcode updates exist…