[Libre-soc-isa] [Bug 1077] evaluate removing /vec234 from instructions, move subvl to SVSTATE

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1077

--- Comment #15 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #11)

> PACK/UNPACK can be entirely replaced by shuffles
> using matrix remaps (for
> in-register or in-memory)

or, you can apply PACK/UNPACK as a 4th dimension on top of matrix.

PACK/UNPACK is also the interaction-point on mv.swizzle.

*please* read the spec.

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