[PATCH] [ARM] Fix AArch32 and pre-v8 poly types to be unsigned

[Bradley Smith]

Hi Bob,

Since I believe it was you who objected somewhat to this last time around,
do you have any opinion on this? Thanks.

Regards,
Bradley Smith

> > On 2 October 2013 16:09, Bradley Smith <bradley.smith at arm.com> wrote:
> > > All poly types should be of unsigned type,
> >
> > I proposed this back in January, and I think we reached the
> conclusion
> > that this change should be coordinated with GCC since it's
> potentially
> > ABI-breaking.
> >
> > Do you know if there's been any progress on the GCC side? I think
> they
> > (Richard Earnshaw & Tejas) were intending to wait until 4.8.0 had
> been
> > released before proposing the change there.
> 
> Unfortunately not much it seems, it's still very much on their TODO
> list
> for 4.8 so will happen at some point, we're just not sure exactly when.
> Given this is now specified in the ACLE as unsigned so has to change in
> GCC,
> it might be nice for clang to take the lead on this one rather than
> waiting
> for GCC.
> 
> Also as you stated in your previous thread, which I just found, it's
> extraordinarily unlikely that many people if anybody will actually be
> affected
> by this change differing across clang and GCC until GCC changes it.