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[Bug rtl-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: 14 Jun 2009 15:02:30 -0000
- Subject: [Bug rtl-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 #96 from lucier at math dot purdue dot edu 2009-06-14 15:02 -------
Sorry, the gcc options are in comment 87 (the -fforward-propagate is now
redundant), and without Paolo's recently proposed patch it requires about 9GB
of memory to compile.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928