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

[bugzilla-daemon at libre-soc.org]

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

--- Comment #6 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
my intuition tells me that this may prove useful, to replace the use
of an adder.

https://git.libre-soc.org/?p=nmutil.git;a=blob;f=src/nmutil/ripple.py;hb=HEAD

relying on yosys to spot that certain gates are redundant is not sensible.

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