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From: "rearnsha at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/24146] Optimizes away FPU control word store
Date: Fri, 30 Sep 2005 13:58:00 -0000 [thread overview]
Message-ID: <20050930135810.2808.qmail@sourceware.org> (raw)
In-Reply-To: <20050930134250.24146.rguenth@gcc.gnu.org>
------- Additional Comments From rearnsha at gcc dot gnu dot org 2005-09-30 13:58 -------
(In reply to comment #1)
> volatile is needed here.
No, the manual says:
An @code{asm} instruction without any output operands will be treated
identically to a volatile @code{asm} instruction.
So this insn should be kept even though it isn't explicitly volatile.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|INVALID |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24146
next prev parent reply other threads:[~2005-09-30 13:58 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-30 13:42 [Bug tree-optimization/24146] New: " rguenth at gcc dot gnu dot org
2005-09-30 13:46 ` [Bug tree-optimization/24146] " pinskia at gcc dot gnu dot org
2005-09-30 13:58 ` rearnsha at gcc dot gnu dot org [this message]
2005-09-30 14:07 ` Daniel Berlin
2005-09-30 14:00 ` [Bug tree-optimization/24146] [4.0 Regression] " rguenth at gcc dot gnu dot org
2005-09-30 14:04 ` pinskia at gcc dot gnu dot org
2005-09-30 14:07 ` dberlin at dberlin dot org
2005-09-30 14:07 ` pinskia at gcc dot gnu dot org
2005-09-30 14:18 ` Daniel Berlin
2005-09-30 14:11 ` bonzini at gcc dot gnu dot org
2005-09-30 14:11 ` bonzini at gcc dot gnu dot org
2005-09-30 14:17 ` pinskia at gcc dot gnu dot org
2005-09-30 14:19 ` dberlin at dberlin dot org
2005-09-30 14:36 ` [Bug middle-end/24146] [4.0/4.1 Regression] ASMs with no output are not marked as volatile pinskia at gcc dot gnu dot org
2005-09-30 19:52 ` rth at gcc dot gnu dot org
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