[Libre-soc-dev] compressed instruction idea from today's meeting

Luke Kenneth Casson Leighton lkcl at lkcl.net
Wed Nov 18 23:08:00 GMT 2020

On 11/18/20, Jacob Lifshay <programmerjake at gmail.com> wrote:
> limit shift immediate to 1-28 31,32,48,63 allowing using 1 less bit,
> allowing fitting another instruction in the free space.


good that this is captured.  still up and about, quietly pecking on
phone, will try a reshuffle alternative immed table encoding.  my
feeling is that the sh-imm reduced encoding would not help with LD/ST
but may help with other areas.


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