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[Bug tree-optimization/42494] [4.4 Regression] Missed dead-code-elimination
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Jan 2010 22:08:08 -0000
- Subject: [Bug tree-optimization/42494] [4.4 Regression] Missed dead-code-elimination
- References: <bug-42494-17572@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from steven at gcc dot gnu dot org 2010-01-07 22:08 -------
An ARM maintainer can look at a solution for this (special splitters, maybe a
peephole2, perhaps a post-ce3 special DCE pass to clean up cond_exec silliness.
(See also bug 21803, for similar cond_exec idiocy on ia64.)
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |rearnsha at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42494