[Libre-soc-dev] Question about smaller reg access

[Luke Kenneth Casson Leighton]

On Saturday, December 26, 2020, Lauri Kasanen <cand at gmx.com> wrote:

> The examples I've seen all start at 64b reg borders.

this is because the hardware is designed that way.  see element width
overrides section:

https://libre-soc.org/openpower/sv/overview/#elwidths

there was a SPR-based idea to do offsets and up to 3 dimensional remapping.
 it.. is.. it takes a lot to set up.  future version.  for now, use
predicates.

l.



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