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SubjectRe: Error: invalid switch -me200
On Fri, 2020-11-13 at 18:50 -0600, Segher Boessenkool wrote:
> On Fri, Nov 13, 2020 at 04:37:38PM -0800, Fāng-ruì Sòng wrote:
> > On Fri, Nov 13, 2020 at 4:23 PM Segher Boessenkool
> > <segher@kernel.crashing.org> wrote:
> > > On Fri, Nov 13, 2020 at 12:14:18PM -0800, Nick Desaulniers wrote:
> > > > > > > Error: invalid switch -me200
> > > > > > > Error: unrecognized option -me200
> > > > > >
> > > > > > 251 cpu-as-$(CONFIG_E200) += -Wa,-me200
> > > > > >
> > > > > > Are those all broken configs, or is Kconfig messed up such that
> > > > > > randconfig can select these when it should not?
> > > > >
> > > > > Hmmm, looks like this flag does not exist in mainline binutils?
> > > > > There is
> > > > > a thread in 2010 about this that Segher commented on:
> > > > >
> > > > >
https://lore.kernel.org/linuxppc-dev/9859E645-954D-4D07-8003-FFCD2391AB6E@kernel.crashing.org/
> > > > >
> > > > > Guess this config should be eliminated?
> > >
> > > The help text for this config options says that e200 is used in 55xx,
> > > and there *is* an -me5500 GAS flag (which probably does this same
> > > thing, too). But is any of this tested, or useful, or wanted?
> > >
> > > Maybe Christophe knows, cc:ed.
> >
> > CC Alan Modra, a binutils global maintainer.
> >
> > Alan, can the few -Wa,-m* options deleted from arch/powerpc/Makefile ?
>
> All the others work fine (and are needed afaics), it is only -me200 that
> doesn't exist (in mainline binutils). Perhaps -me5500 will work for it
> instead.

According to Wikipedia e200 is from mpc55xx (for which I don't see any
platform support having ever been added). e5500 is completely different (64-
bit version of e500mc).

-Scott


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