[libre-riscv-dev] [Bug 44] IEEE754 FPU inverse-sqrt

bugzilla-daemon at libre-riscv.org bugzilla-daemon at libre-riscv.org
Sat May 11 16:16:30 BST 2019


--- Comment #19 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---

> Could it be one's complemet?  Does anyone still use that for anything?
> -- hendrik

quite possibly, because this is carry-save representation.  honestly
though i am not so certain, i can't find anything that says "CSA is
done using 1's complement".

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