From: "Paulo J. Matos" <paulo@matos-sorge.com>
To: gcc@gcc.gnu.org
Subject: Re: Volatile qualification on pointer and data
Date: Wed, 21 Sep 2011 14:57:00 -0000 [thread overview]
Message-ID: <j5cu04$poo$1@dough.gmane.org> (raw)
In-Reply-To: <j5cs3g$aep$1@dough.gmane.org>
On 21/09/11 15:21, David Brown wrote:
> And since this
> situation would not occur in real code (at least, not code that is
> expected to do something useful other than test the compiler's code
> generation), there is no harm in making sub-optimal object code.
>
Actually the reason why I noticed this is because one of our engineers
told that GCC stopped generating instructions for certain operations
when he moved from GCC45 to GCC46. This code is real code.
Cheers,
--
PMatos
next prev parent reply other threads:[~2011-09-21 14:57 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-20 16:08 Paulo J. Matos
2011-09-20 16:36 ` Ian Lance Taylor
2011-09-21 7:07 ` David Brown
2011-09-21 8:22 ` Paulo J. Matos
2011-09-21 10:20 ` David Brown
2011-09-21 13:57 ` Ian Lance Taylor
2011-09-21 14:25 ` David Brown
2011-09-21 14:57 ` Paulo J. Matos [this message]
2011-09-22 8:39 ` David Brown
2011-09-22 21:15 ` Richard Guenther
2011-09-23 11:33 ` Paulo J. Matos
2011-09-23 11:51 ` Paulo J. Matos
2011-09-23 13:17 ` Paulo J. Matos
2011-09-21 18:51 ` Georg-Johann Lay
2011-09-22 8:53 ` David Brown
2011-09-24 15:10 ` John Regehr
2011-09-24 15:49 ` David Brown
2011-09-24 16:26 ` David Brown
2011-09-24 19:38 ` John Regehr
2011-09-25 13:03 ` David Brown
2011-09-25 15:15 ` Andreas Schwab
2011-09-25 16:33 ` David Brown
2011-09-25 16:36 ` David Brown
2011-09-25 16:06 ` Dave Korn
2011-09-25 22:05 ` David Brown
2011-09-25 22:05 ` David Brown
2011-09-26 7:14 ` Miles Bader
2011-09-26 8:53 ` David Brown
2011-09-26 8:58 ` David Brown
2011-09-21 8:14 ` Paulo J. Matos
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