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From: "dberlin at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/29415] [4.2 regression] ] bad code reordering around inline asm block
Date: Wed, 11 Oct 2006 02:43:00 -0000 [thread overview]
Message-ID: <20061011024329.22932.qmail@sourceware.org> (raw)
In-Reply-To: <bug-29415-10561@http.gcc.gnu.org/bugzilla/>
------- Comment #7 from dberlin at gcc dot gnu dot org 2006-10-11 02:43 -------
Actually, AFAICT this is a variant of the struct aliasing bug zdenek reported.
The real problem is that we eliminate the false aliases and because their is no
real addressable variable here, the asm's miss out on the SMT's.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29415
next prev parent reply other threads:[~2006-10-11 2:43 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-10 15:38 [Bug tree-optimization/29415] New: [4.2] " christophe at saout dot de
2006-10-10 15:40 ` [Bug tree-optimization/29415] " christophe at saout dot de
2006-10-10 16:46 ` pinskia at gcc dot gnu dot org
2006-10-10 18:55 ` jakub at gcc dot gnu dot org
2006-10-11 0:48 ` [Bug middle-end/29415] " pinskia at gcc dot gnu dot org
2006-10-11 0:57 ` [Bug tree-optimization/29415] [4.2 regression] ] " pinskia at gcc dot gnu dot org
2006-10-11 1:05 ` pinskia at gcc dot gnu dot org
2006-10-11 2:35 ` pinskia at gcc dot gnu dot org
2006-10-11 2:37 ` pinskia at gcc dot gnu dot org
2006-10-11 2:43 ` dberlin at gcc dot gnu dot org [this message]
2006-10-11 2:46 ` dberlin at gcc dot gnu dot org
2006-10-13 17:18 ` [Bug tree-optimization/29415] [4.2 Regression] " steven at gcc dot gnu dot org
2006-10-13 17:45 ` pinskia at gcc dot gnu dot org
2006-10-13 17:49 ` dberlin at gcc dot gnu dot org
2006-10-15 21:23 ` mmitchel at gcc dot gnu dot org
2006-10-19 23:06 ` dberlin at gcc dot gnu dot org
2006-10-19 23:07 ` dberlin at gcc dot gnu dot org
2007-11-30 15:25 ` cfriedt at visible-assets dot com
2007-11-30 15:27 ` rguenth at gcc dot gnu dot org
2007-11-30 15:48 ` cfriedt at visible-assets dot com
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