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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 14:09:57 +0100	[thread overview]
Message-ID: <20121024130957.GB7339@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <CABYn4swp9JBEHgGTOkoe=tOh3Mf1dq5WYr=2xuKNpTmLX5LcFQ@mail.gmail.com>

On Wed, Oct 24, 2012 at 01:34:18PM +0100, Bastian Hecht wrote:
> 2012/10/24 Will Deacon <will.deacon@arm.com>:
> > It sounds like we need to:
> >
> >         (a) Understand what has changed in GCC to cause this error to start
> >             cropping up.
> >
> >         (b) Have a look at the impact of using only "Q" on the generated
> >             code (especially register usage for the address).
> >
> 
> Uff... I've just started to write ARM assembly and have no practical
> experience with the inner workings of real world compilers. So this
> time I'm afraid I was just good enough to report this. It sounds
> interesting to hunt it, but would take ages for me at this point.

Ok, I'll have a look at the impact of moving exclusively to "Q" when I get a
chance. Which toolchain are you using?

Will

  reply	other threads:[~2012-10-24 13:09 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 [this message]
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
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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