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[Bug middle-end/24146] [4.0/4.1 Regression] ASMs with no output are not marked as volatile
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Sep 2005 19:52:37 -0000
- Subject: [Bug middle-end/24146] [4.0/4.1 Regression] ASMs with no output are not marked as volatile
- References: <20050930134250.24146.rguenth@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From rth at gcc dot gnu dot org 2005-09-30 19:52 -------
Subject: Re: [4.0 Regression] Optimizes away FPU control word store
On Fri, Sep 30, 2005 at 02:10:48PM -0000, bonzini at gcc dot gnu dot org wrote:
> rth, should this be fixed in the front-end or in the gimplifier?
Front end. It's a one liner in build_asm_expr.
r~
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24146