alt Hacker Newsindeed. riscv for instance. also, afaik, xor’ing is faster. i would assume that someone like mr. raymond would know…
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pif • today at 8:29 AM
Which part of "mathematical operations don’t reset the NaT bit" did you not understand?
indeed. riscv for instance. also, afaik, xor’ing is faster. i would assume that someone like mr. raymond would know…
Which part of "mathematical operations don’t reset the NaT bit" did you not understand?
> afaik, xor’ing is faster
Even tiny tiny CPUs can do sub in one cycle, so I doubt that. On super-scalar CPUs xor and sub are normally issued to the same execution units so it wouldn't make a difference there either.