[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]

https://bugs.libre-soc.org/show_bug.cgi?id=817

--- Comment #38 from Jacob Lifshay <programmerjake at gmail.com> ---
Mentioned our work on Knuth's Algorithm D over on LLVM Phabricator where
they're currently implementing big-int division:
https://reviews.llvm.org/D120327#3493233

I have been helping review that merge request -- they originally had Algorithm
D but switched to a slower simpler algorithm, I convinced them that the library
API should support replacing the algorithm with Algorithm D again, which
requires passing in sufficiently sized buffers and allowing the inputs to be
modified.

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