[Libre-soc-dev] planning next OPF ISA WG RFC: ls003, biginteger?

[Jacob Lifshay]

On Thu, Mar 2, 2023, 14:27 lkcl <luke.leighton at gmail.com> wrote:

> On Thu, Mar 2, 2023 at 5:38 PM Jacob Lifshay <programmerjake at gmail.com>
> wrote:
>
> > dsld/dsrd are no longer hard to use,
>
> great.
>
> > however they still have the issue that they unnecessarily write to
> `overflow`,
>
> no, they don't. it's conditional. Rc=1.
>

ah, ok, sounds good enough then!

I was reading the pseudo-code in openpower-isa.git and forgot that overflow
only gets used when Rc=1

Jacob