[Libre-soc-bugs] [Bug 230] Video opcode development and discussion

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=230

--- Comment #37 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to cand from comment #36)
> I was just considering this for the previously mentioned pixel pack and
> unpack. For 8-bit packed mv.zip works as is, but for 5 or 10-bit, not so.
> Those would need the horizontal add for zip and shift-and for unzip.

well something like bitmanip that for example takes the SUBVL subindex as one
of the inputs, if you can write up some pseudocode then it would qualify

example:

   for i in range(SUBVL):
       dest[rt+i] = bitmanip(i, immed)

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