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[Bug tree-optimization/24146] [4.0 Regression] Optimizes away FPU control word store
- From: "bonzini 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 14:10:48 -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 bonzini at gcc dot gnu dot org 2005-09-30 14:10 -------
Richard Earnshaw is right; this is not a dup of PR19341.
volatile-ness is about optimizing away the asm statement itself; PR19341 is
about optimizing away code needed by the asm.
Reopening.
rth, should this be fixed in the front-end or in the gimplifier?
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What |Removed |Added
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CC| |rth at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24146