[PATCH v2 2/5] powerpc/boot: Fix crt0.S syntax for clang

Nick Desaulniers ndesaulniers at google.com
Tue Sep 18 06:41:35 AEST 2018


On Fri, Sep 14, 2018 at 2:08 PM Segher Boessenkool
<segher at kernel.crashing.org> wrote:
>
> On Fri, Sep 14, 2018 at 10:47:08AM -0700, Nick Desaulniers wrote:
> > On Thu, Sep 13, 2018 at 9:07 PM Joel Stanley <joel at jms.id.au> wrote:
> > >  10:    addis   r12,r12,(-RELACOUNT)@ha
> > > -       cmpdi   r12,RELACOUNT at l
> > > +       cmpdi   r12,(RELACOUNT)@l
> >
> > Yep, as we can see above, when RELACOUNT is negated, it's wrapped in
> > parens.

Looks like this was just fixed in Clang-8:
https://bugs.llvm.org/show_bug.cgi?id=38945
https://reviews.llvm.org/D52188

-- 
Thanks,
~Nick Desaulniers


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