[PATCH v3 3/3] powerpc/64s: feature: Work around inline asm issues

Bill Wendling morbo at google.com
Tue Nov 24 07:01:01 AEDT 2020


On Mon, Nov 23, 2020 at 11:58 AM Segher Boessenkool
<segher at kernel.crashing.org> wrote:
>
> > On Sun, Nov 22, 2020 at 10:36 PM Segher Boessenkool
> > <segher at kernel.crashing.org> wrote:
> > > "true" (as a result of a comparison) in as is -1, not 1.
>
> On Mon, Nov 23, 2020 at 11:43:11AM -0800, Bill Wendling wrote:
> > What Segher said. :-) Also, if you reverse the comparison, you'll get
> > a build error.
>
> But that means your patch is the wrong way around?
>
> -       .ifgt (label##4b- label##3b)-(label##2b- label##1b);    \
> -       .error "Feature section else case larger than body";    \
> -       .endif;                                                 \
> +       .org . - ((label##4b-label##3b) > (label##2b-label##1b)); \
>
> It should be a + in that last line, not a -.

I said so in a follow up email.

> Was this tested?
>
Please don't be insulting. Anyone can make an error.

-bw


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