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Re: [Bug tree-optimization/24146] [4.0 Regression] Optimizes awayFPU control word store

From: Daniel Berlin <dberlin at dberlin dot org>
To: gcc-bugzilla at gcc dot gnu dot org
Cc: gcc-bugs at gcc dot gnu dot org
Date: Fri, 30 Sep 2005 10:17:38 -0400
Subject: Re: [Bug tree-optimization/24146] [4.0 Regression] Optimizes awayFPU control word store
References: <20050930134250.24146.rguenth@gcc.gnu.org> <20050930140709.7151.qmail@sourceware.org>

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.

References:
- [Bug tree-optimization/24146] New: Optimizes away FPU control word store
  - From: rguenth at gcc dot gnu dot org
- [Bug tree-optimization/24146] [4.0 Regression] Optimizes away FPU control word store
  - From: pinskia at gcc dot gnu dot org

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