[Libre-soc-dev] pysvp64asm: opcode setvli not supported

Lauri Kasanen cand at gmx.com
Thu Jun 17 06:17:57 BST 2021

On Wed, 16 Jun 2021 20:34:50 +0100
Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote:

> okaaay got it, got the order of +/- right on fnmsubs etc. etc.
> final thing is, there's some rounding errors introduced, even right
> at the start, have to track that down and i think we're good.
> > fnmsubs is -(RA*RB-RC) something like that

^ That still has a negation. You may get lucky and an even amount
cancels out, but that's fragile as hell.

- Lauri

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