[libre-riscv-dev] KCP53000B micro-architecture thoughts

[Samuel Falvo II]

On Thu, May 30, 2019 at 11:22 AM Jacob Lifshay <programmerjake at gmail.com> wrote:
> I'd recommend having the additional add/sub unit combined with the branch
> unit since all compares are sub & check top 2 bits of result & check carry
> out & check if result (without carry out) is zero.

An interesting take; of course, it could be the case that ADDs and
SUBs can go to either unit, giving me effectively two ADD/SUB units to
play with, basically for free.

-- 
Samuel A. Falvo II