[Libre-soc-bugs] [Bug 784] Implement cl* instructions for carry-less operations

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Apr 8 08:02:33 BST 2022


https://bugs.libre-soc.org/show_bug.cgi?id=784

--- Comment #23 from Jacob Lifshay <programmerjake at gmail.com> ---
Luke, in the commit:
https://git.libre-soc.org/?p=nmigen-gf.git;a=commitdiff;h=5e94f55a42807721e4dfe56e0c65d9a1583c2794

the changes you made totally mess up the logic...bits in the new `different`
variable are now set when the `a` and `b` inputs are the *same*. please either
revert the commit (preferred) or both rename the variable to something like
`same` and fix the comments.

imho reverting is probably best since that way it better matches the reference
algorithm.

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