[Libre-soc-bugs] [Bug 782] add galois field bitmanip instructions

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=782

--- Comment #74 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #72)

> that's GF(p) FFT.

sigh that is the correct one used for Reed Solomon and ECC25519

> I expect carry-less FFT and GF(2^n) FFT to be useful as well.

Frobenius Additive FFT apparently.

https://news.ycombinator.com/item?id=21151646

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