[Libre-soc-isa] [Bug 817] Big Integer Math (sv.adde, sv.subfe, sv.madded, 128 by 64-bit -> 64-bit div/rem, maybe more...)

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Oct 6 23:07:05 BST 2022


--- Comment #53 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #0)
> Todo list:
> * TODO: update wiki to account for RC being high half of dividend for
> bigint-word division.

sigh there is a bit more, the EXTRA-bit needs a RM Mode qualifier
(binutils as well), and it turns out the default for RS is not quite
as in spec.

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