[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
Fri Apr 22 09:07:05 BST 2022


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

--- Comment #9 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #7)

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

nice.

> 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.

yes it was a little odd format.

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