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

[Luke Kenneth Casson Leighton]

On 6/14/21, Lauri Kasanen <cand at gmx.com> wrote:
> Hi Luke,
>
> I've written the basic sv version of mp3_0. No idea if it works, but
> you can get it svp64'd at least, opcode by opcode. When you have time
> from the chip layout of course.

fantastic.

>
> If the results don't happen to match, well then we'll need the
> single-stepping, not sure if pysim had that yet.

yes it does

setvli is a pseudo assembler, like bne is a shortcut for bc cr.ne

so you need the full code, setvl x,y,z,w

specify all arguments in format
https://libre-soc.org/openpower/sv/setvl/

https://libre-soc.org/openpower/isa/simplev/

so for setvli MVL=VL=8

you want

setvl 0,0,8,1,1

>
> - Lauri
>
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