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[Bug tree-optimization/35653] [4.3/4.4 Regression]: gcc-4.3 -O3/-ftree-vectorize regression: incorrect code generation
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Mar 2008 17:53:03 -0000
- Subject: [Bug tree-optimization/35653] [4.3/4.4 Regression]: gcc-4.3 -O3/-ftree-vectorize regression: incorrect code generation
- References: <bug-35653-15165@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from hjl dot tools at gmail dot com 2008-03-21 17:53 -------
I think revision 129764 exposed a latent vectorizer bug. Before revision
129764, the loop wasn't vectorized.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35653