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whaleofatw2022 • today at 1:33 PM • 1 reply • view on HN

The pro did register renaming. But the way it worked, if you wrote to AX (16 bit write) and then read from EAX (32 bit read) it caused a pipeline stall from resyncing the registers.


Replies

Sharlin • today at 2:42 PM

Yeah, thanks both for elaborating!