This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?

From: Jakub Jelinek <jakub at redhat dot com>
To: Paul Koning <paul_koning at dell dot com>
Cc: Richard Guenther <richard dot guenther at gmail dot com>, Andi Kleen <andi at firstfloor dot org>, Andreas Schwab <schwab at linux-m68k dot org>, Jim <jim876 at xs4all dot nl>, Linux Kernel Mailing List <linux-kernel at vger dot kernel dot org>, gcc at gcc dot gnu dot org
Date: Mon, 8 Nov 2010 12:53:53 +0100
Subject: Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
References: <4CD538CA.8010901@xs4all.nl> <87wroostw3.fsf@basil.nowhere.org> <m2hbfsu57i.fsf@igel.home> <87k4kospnd.fsf@basil.nowhere.org> <AANLkTikG6kBxSrO7EZ5_nZqTKqo8Rjm2stoEGVJWxanz@mail.gmail.com> <877hgorrj1.fsf@basil.nowhere.org> <AANLkTi=tC01jshWAr_HyVs6-HKK-Puarb6cLpxZyg-Kr@mail.gmail.com> <E1D1023D-4F2D-4EF4-8E97-CC5685B57A19@dell.com>
Reply-to: Jakub Jelinek <jakub at redhat dot com>

On Mon, Nov 08, 2010 at 06:47:59AM -0500, Paul Koning wrote:
> I don't know about 4.5, but I noticed that with 4.6 (trunk), testcasese
> like gcc.c-torture/compile/20000804-1.c optimize away the asm and all the
> operand generation except for -O0.

That's fine, the asm isn't volatile and the output is not used.

	Jakub

References:
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Andi Kleen
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Andreas Schwab
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Andi Kleen
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Richard Guenther
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Andi Kleen
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Richard Guenther
- Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?
  - From: Paul Koning

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]