[igt-dev] [PATCH i-g-t] RFC: gem: fix compiler warnings

[Andi Shyti]

Hi,

> > diff --git a/lib/igt_gt.h b/lib/igt_gt.h
> > index 73b5002..dcaf969 100644
> > --- a/lib/igt_gt.h
> > +++ b/lib/igt_gt.h
> > @@ -75,16 +75,16 @@ extern const struct intel_execution_engine {
> >  #define for_if(expr__) if (!(expr__)) {} else
> >  
> >  #define for_each_engine(fd__, flags__) \
> > -       for (const struct intel_execution_engine *e__ = intel_execution_engines;\
> > -            e__->name; \
> > -            e__++) \
> > -               for_if (gem_has_ring(fd__, flags__ = e__->exec_id | e__->flags))
> > +       for (const struct intel_execution_engine *e__ ## flags__ = intel_execution_engines;\
> > +            e__ ## flags__->name; \
> > +            e__ ## flags__++) \
> > +               for_if (gem_has_ring(fd__, flags__ = e__ ## flags__->exec_id | e__ ## flags__->flags))
> >  
> >  #define for_each_physical_engine(fd__, flags__) \
> > -       for (const struct intel_execution_engine *e__ = intel_execution_engines;\
> > -            e__->name; \
> > -            e__++) \
> > -               for_if (gem_ring_has_physical_engine(fd__, flags__ = e__->exec_id | e__->flags))
> > +       for (const struct intel_execution_engine *e__ ## flags__ = intel_execution_engines;\
> > +            e__ ## flags__->name; \
> > +            e__ ## flags__++) \
> > +               for_if (gem_ring_has_physical_engine(fd__, flags__ = e__ ## flags__->exec_id | e__ ## flags__->flags))
> 
> The plan had been to pass the iterator name to the macros. That plan got
> lost somewhere along the way.

yes, we forgot to get rid of this part, but before that we need
to do some refactoring of the gem_engine_topology, because many
things can go wrong there.

If CI does not complain, we can, in the meantime, get this in and
mute the warnings, it's not perfect, but works.

Acked-by: Andi Shyti <andi.shyti at intel.com>

Thanks JP,
Andi