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[Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 in floating-point code
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Oct 2007 12:05:13 -0000
- Subject: [Bug regression/33928] 33% performance slowdown from 4.2.2 to 4.3.0 in floating-point code
- References: <bug-33928-271@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from rguenth at gcc dot gnu dot org 2007-10-28 12:05 -------
Can you attach assembler files? What happens if you use -O2? Why do you need
-fno-strict-aliasing? Does -fno-ivopts help?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928