From: Alan Modra <amodra@gmail•com>
To: Segher Boessenkool <segher@kernel•crashing.org>
Cc: "Arnd Bergmann" <arnd@kernel•org>,
kbuild-all@lists•01.org, "Brian Cain" <bcain@codeaurora•org>,
"Fāng-ruì Sòng" <maskray@google•com>,
"Masahiro Yamada" <masahiroy@kernel•org>,
linuxppc-dev <linuxppc-dev@lists•ozlabs.org>,
"Nick Desaulniers" <ndesaulniers@google•com>,
LKML <linux-kernel@vger•kernel.org>,
clang-built-linux <clang-built-linux@googlegroups•com>,
"Nathan Chancellor" <natechancellor@gmail•com>,
"Linus Torvalds" <torvalds@linux-foundation•org>,
"kernel test robot" <lkp@intel•com>
Subject: Re: Error: invalid switch -me200
Date: Tue, 17 Nov 2020 10:29:29 +1030 [thread overview]
Message-ID: <20201116235929.GT15956@bubble.grove.modra.org> (raw)
In-Reply-To: <20201114005015.GZ2672@gate.crashing.org>
On Fri, Nov 13, 2020 at 06:50:15PM -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).
Right, and a quick check says it never existed. There is e200z4,
added to binutils with dfdaec14b0d, 2016-08-01, but the kernel -me200
was added in 2005. I suspect the toolchain support only existed
inside Freescale and pushing it upstream was too difficult.
--
Alan Modra
Australia Development Lab, IBM
next prev parent reply other threads:[~2020-11-17 0:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <202011131146.g8dPLQDD-lkp@intel.com>
[not found] ` <CAFP8O3LpSmxVnjHfQAN455k1ZRg3PbgZYhWr030evCq1T10k=Q@mail.gmail.com>
[not found] ` <20201113190824.GA1477315@ubuntu-m3-large-x86>
2020-11-13 19:42 ` Error: invalid switch -me200 Nick Desaulniers
2020-11-13 20:04 ` Nathan Chancellor
2020-11-13 20:14 ` Nick Desaulniers
2020-11-14 0:20 ` Segher Boessenkool
2020-11-14 0:37 ` Fāng-ruì Sòng
2020-11-14 0:50 ` Segher Boessenkool
2020-11-16 20:27 ` Scott Wood
2020-11-16 20:47 ` Segher Boessenkool
2020-11-16 23:59 ` Alan Modra [this message]
2020-11-14 9:02 ` Christophe Leroy
2020-11-16 6:06 ` Michael Ellerman
2020-11-16 15:26 ` Christophe Leroy
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