On 21 April 2013 20:56, Timothy Normand Miller <[email protected]> wrote:
> Someone on IRC pointed out that 16 bits for the shift amount for e.g. SHLI
> is overkill.  What more interesting thing can we do there?  Did someone
> suggest that we combine all of those shifts to use one opcode?  Or maybe
> they should be put into the opcode 0 space.
>
> So many suggestions, I lose track.  What can we do that is smarter here?

Quick thoughts: reduce the size of the immediate value and use the
extra bits for the 'type' of shift:
- ZEXT/SEXT
- shift/rotate
- NOT prior to shift



-- 
Eitan Adler
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