On Tue, May 23, 2023 at 11:28 AM Sebastian Huber
<sebastian.hu...@embedded-brains.de> wrote:
>
> On 10.01.23 16:38, Sebastian Huber wrote:
> > On 19/12/2022 17:02, Sebastian Huber wrote:
> >> Build libatomic for all targets.  Use gthr.h to provide a default
> >> implementation.  If the thread model is "single", then this
> >> implementation will
> >> not work if for example atomic operations are used for thread/interrupt
> >> synchronization.
> >
> > Is this and the related -fprofile-update=atomic patch something for GCC 14?
>
> Now that the GCC 14 development is in progress, what about this patch?

Sorry, there doesn't seem to be a main maintainer for libatomic and your patch
touches targets which didn't have it before.

Can you explain how this affects the ABI of targets not having (needing?!)
libatomic?  It might help if you can say this is still opt-in and targets not
building libatomic right now would not with your patch and targets already
building libatomic have no changes with your patch.

That said - what kind of ABI implications has providing libatomic support
for a target that didn't do so before?

Richard.

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