[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 #7 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Jacob Lifshay from comment #2)
> yeah, as stated on irc, sorry i haven't yet fixed it.

I updated divmnu64.c to include the MADDED_SUBFE variant, as well as fixing a
bug in mulmnu.c.

I also formatting them and switched the tests to use an array of structs rather
than a plain array -- avoiding the need to do a bunch of magic math to get the
correct array indexes.

I also added an indication to the test cases in divmnu64.c so that it knows
which cases are the expected errors allowing it to handle them better.

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