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[Bug tree-optimization/24146] [4.0 Regression] Optimizes away FPU control word store
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Sep 2005 14:18:17 -0000
- Subject: [Bug tree-optimization/24146] [4.0 Regression] Optimizes away FPU control word store
- References: <20050930134250.24146.rguenth@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dberlin at gcc dot gnu dot org 2005-09-30 14:18 -------
Subject: Re: [4.0 Regression] Optimizes away
FPU control word store
On Fri, 2005-09-30 at 14:07 +0000, pinskia at gcc dot gnu dot org wrote:
> ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-30 14:07 -------
> I still say this is invalid.
>
well, that just makes you wrong.
the docs clearly say it's supposed to be treated as volatile.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24146