[Libre-soc-bugs] [Bug 865] implement vector bitmanip opcodes

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=865

--- Comment #10 from Jacob Lifshay <programmerjake at gmail.com> ---
me on irc:
> lkcl, imho sv.adde is sufficient for biginteger add, cprop is rendered
> redundant because you can just do the trick of having your 256-bit
> simd unit do a 256-bit add and forward co from the previous clock cycle
> to ci in the current cycle to get full-speed bigint add

> so imho we should remove cprop

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