[Libre-soc-dev] adding PartitionedSignal support to nmigen's If/Switch/Case

[Jacob Lifshay]

On Mon, Sep 20, 2021, 19:33 Jacob Lifshay <programmerjake at gmail.com> wrote:

> On Mon, Sep 20, 2021, 18:50 Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> wrote:
>
>> by the time the m.If/Else and m.Switch/Case statements are
>> done, the entire AST is completely devoid of all evidence of
>> If/Else, and pure IR-level Mux and IR-level case/switch is
>> all that is left.
>>
>> therefore, by providing an over-ride mechanism whereby
>> MUX, CAT and PART may redirect to kls.__MUX__,
>> kls.__CAT__ and kls.__PART__ respectively,
>>
>
> nmigen isn't where that translation logic could be hooked into, so that
> approach won't work.
>

I asked on nmigen's chat, and vup was nice enough to verify:
https://libera.irclog.whitequark.org/nmigen/2021-09-21#30870969

Jacob

>