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[Bug middle-end/29256] [4.2/4.3/4.4 regression] loop performance regression
- From: "rakdver at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Aug 2008 21:51:07 -0000
- Subject: [Bug middle-end/29256] [4.2/4.3/4.4 regression] loop performance regression
- References: <bug-29256-12262@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #26 from rakdver at gcc dot gnu dot org 2008-08-06 21:51 -------
Created an attachment (id=16036)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16036&action=view)
possible fix
One place where this can be fixed is fwprop (something like the attached
patch). I am not sure whether it is the right place, though; maybe cse should
be handling this?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29256