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[Bug tree-optimization/23346] [4.1 Regression] FRE before DCE makes a mess of loads or need to sink loads
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Oct 2005 00:53:38 -0000
- Subject: [Bug tree-optimization/23346] [4.1 Regression] FRE before DCE makes a mess of loads or need to sink loads
- References: <bug-23346-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from pinskia at gcc dot gnu dot org 2005-10-12 00:53 -------
(In reply to comment #4)
> I'll make the sinker sink loads.
Since that will not happen until 4.2 at the earliest because it needs some
cleanup as mentioned on
http://gcc.gnu.org/wiki/Improved%20Aliasing%20Todo%20List
Is adding an extra DCE before FRE and such, a possibility?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23346