[Libre-soc-isa] [Bug 933] prefix-code (like huffman code) decode/encode instructions

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=933

--- Comment #7 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #4)
> love it. spotted a couple of varnames.
> 
> are there any uses for Rc=1?  setting CR0.LE bit if no index was
> found? perhaps using CR.SO for overflow instead of XER.OV/SO?
> 3-in 2-out, expensive but worth it.

CR0.EQ is 1 iff no values were decoded, because RT=0 in that case.

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