On Thu, Sep 24, 2020 at 01:11:02PM +0930, Alan Modra wrote:
> I've fixed the changelog, a comment, and added a nop after bl for the
> old calls without @notoc. While there really isn't a need for the
> nops in libffi.so since the callee is hidden visibility, there is a
> miniscule chance that a st
On Tue, Sep 22, 2020 at 07:16:57PM -0500, Segher Boessenkool wrote:
> Hi!
>
> On Tue, Sep 22, 2020 at 10:00:11AM +0930, Alan Modra wrote:
> > gcc/
> > * config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
> > Conditionally define __PCREL__.
>
> Please do that as a separate (earlier) p
Hi!
On Tue, Sep 22, 2020 at 10:00:11AM +0930, Alan Modra wrote:
> Power10 pc-relative code doesn't use or preserve r2 as a TOC pointer.
> That means calling between pc-relative and TOC using code can't be
> done without intervening linker stubs, and a call from TOC code to
> pc-relative code must
Power10 pc-relative code doesn't use or preserve r2 as a TOC pointer.
That means calling between pc-relative and TOC using code can't be
done without intervening linker stubs, and a call from TOC code to
pc-relative code must have a nop after the bl in order to restore r2.
Now the PowerPC libffi a
