From: Will Deacon <will.deacon@arm.com>
To: Bastian Hecht <hechtb@googlemail.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Artem Bityutskiy <dedekind1@gmail.com>
Subject: Re: Possible regression in arm/io.h
Date: Wed, 24 Oct 2012 16:27:30 +0100 [thread overview]
Message-ID: <20121024152730.GH7339@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <CABYn4sxnwzj8KFfELzCLzQMcAjiqS3_Vr2kStkm-na8G1noPHA@mail.gmail.com>
On Wed, Oct 24, 2012 at 04:04:46PM +0100, Bastian Hecht wrote:
> >> > Ok, I'll have a look at the impact of moving exclusively to "Q" when I get a
> >> > chance. Which toolchain are you using?
> >>
> >> gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
> >> For a more verbose info take a look at the bug report link.
> >
> > Ok, thanks. One other thing you could try while I try to find a copy of that
> > toolchain is changing the "+" modifier to an "=", like I proposed in this
> > version of the patch:
>
> So if alter it to fit to your patch scheme the result is:
Sorry, the change wasn't as trivial as I thought -- you have to reorder the
constraints because an output becomes an input for the load accessors. I
tried it myself and it doesn't fix the issue (I can reproduce it now).
Will
next prev parent reply other threads:[~2012-10-24 15:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-24 10:38 Possible regression in arm/io.h Bastian Hecht
2012-10-24 10:52 ` Will Deacon
2012-10-24 12:34 ` Bastian Hecht
2012-10-24 13:09 ` Will Deacon
2012-10-24 13:35 ` Bastian Hecht
2012-10-24 13:58 ` Will Deacon
2012-10-24 15:04 ` Bastian Hecht
2012-10-24 15:27 ` Will Deacon [this message]
2012-11-22 7:57 ` Artem Bityutskiy
2012-11-22 10:19 ` Will Deacon
2012-11-22 10:23 ` Artem Bityutskiy
2012-10-25 6:55 ` Artem Bityutskiy
2012-10-25 11:17 ` Will Deacon
2012-10-25 12:35 ` Mikael Pettersson
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