[Libre-soc-dev] LD/ST Elwidth Overrides

lkcl luke.leighton at gmail.com
Wed Sep 1 20:45:46 BST 2021

On Wed, Sep 1, 2021 at 8:38 PM Jacob Lifshay <programmerjake at gmail.com> wrote:

> The index-reg elwidth override should apply even when all regs are scalar

yep, good catch, elwidth overrides apply all the time, not just on Vectorised.

> also, we should mark ffirst as banned when either base and/or index registers are vectors. the table implies ffirst is only banned when the index reg is vectorized:
>  RA,RB    RT.v  RA/RB.v ffirst banned
>  RA,RB    RT.s  RA/RB.v ffirst banned

RA/RB.v means "either RA or RB".

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