[libre-riscv-dev] IEEE754 FPU turning into ALU with Reservation Stations

Aleksandar Kostovic alexandar.kostovic at gmail.com
Fri Mar 15 13:40:59 GMT 2019


>
> and this one, aleksander:
> commit a36447fcd4d4f049b7127e1fc02dc1390d05fa75 (HEAD -> master)

i am not exactly a git master so i just go "git checkout commit
a36447fcd4d4f049b7127e1fc02dc1390d05fa75" ?

 instantiate 2 FPGetOp instances and use them.  a little awkwardly.
>
> this is going to be a bit of a slow process, i apologise.  i recommend
> doing geta first then getb, make sure each works before moving to the
> next stage, run python3 test_mul.py to determine if the changes are
> correct, ok?

Ok, will try that.

On Fri, Mar 15, 2019 at 11:31 AM Luke Kenneth Casson Leighton <lkcl at lkcl.net>
wrote:

> On Fri, Mar 15, 2019 at 12:32 AM Luke Kenneth Casson Leighton
> <lkcl at lkcl.net> wrote:
>
> > On Thu, Mar 14, 2019 at 4:18 PM Aleksandar Kostovic
> > <alexandar.kostovic at gmail.com> wrote:
> >
> > > also i want you to get involved as well like for when we first did
> adder
> > > the old way. with both of us working we done that very quickly and your
> > > guidance helped a ton.
> >
> > ok good idea, so track this one first:
> >
> > commit ca218a65dc9af73965a5c4f105a780ed04b588e0 (HEAD -> master,
> origin/master)
> > Author: Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> > Date:   Fri Mar 15 00:31:30 2019 +0000
> >
> >     add use of FPState, not being used yet
>
> and this one, aleksander:
>
> commit a36447fcd4d4f049b7127e1fc02dc1390d05fa75 (HEAD -> master)
> Author: Luke Kenneth Casson Leighton <lkcl at lkcl.net>
> Date:   Fri Mar 15 09:59:07 2019 +0000
>
>     instantiate 2 FPGetOp instances and use them.  a little awkwardly.
>
>
> this is going to be a bit of a slow process, i apologise.  i recommend
> doing geta first then getb, make sure each works before moving to the
> next stage, run python3 test_mul.py to determine if the changes are
> correct, ok?
>
> l.
>
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