[PATCH 2/2] cprop_hardreg: Enable propagation of the stack pointer if possible.

[Manolis Tsamis]

Hi Jeff,

Yes that one has changed; I changed the implementation based on your feedback.

Thanks,
Manolis

On Thu, Jun 8, 2023 at 1:18 AM Jeff Law <jeffreyalaw@gmail.com> wrote:
>
>
>
> On 5/25/23 06:35, Manolis Tsamis wrote:
> > Propagation of the stack pointer in cprop_hardreg is currenty forbidden
> > in all cases, due to maybe_mode_change returning NULL. Relax this
> > restriction and allow propagation when no mode change is requested.
> >
> > gcc/ChangeLog:
> >
> >          * regcprop.cc (maybe_mode_change): Enable stack pointer propagation.
> Thanks for the clarification.  This is OK for the trunk.  It looks
> generic enough to have value going forward now rather than waiting.
>
> jeff