This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/33928] [4.3/4.4/4.5 Regression] 30% performance slowdown in floating-point code caused by r118475
- From: "lucier at math dot purdue dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 May 2009 03:50:16 -0000
- Subject: [Bug tree-optimization/33928] [4.3/4.4/4.5 Regression] 30% performance slowdown in floating-point code caused by r118475
- References: <bug-33928-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #54 from lucier at math dot purdue dot edu 2009-05-06 03:50 -------
Created an attachment (id=17805)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17805&action=view)
svn diff of cse.c to fix the performance regression
This partially reverts r118475 and adds code to call find_best_address for MEMs
in fold_rtx.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928