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[Bug tree-optimization/31460] vectorizer failed to work on simple loop
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Apr 2007 15:36:54 -0000
- Subject: [Bug tree-optimization/31460] vectorizer failed to work on simple loop
- References: <bug-31460-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from steven at gcc dot gnu dot org 2007-04-03 16:36 -------
Maybe you can show the assembly output you're expecting?
tree level if-conversion for the vectorizer _should_ be able to recognize this
case. It may be that it's just not set up to deal with x86* insns of this kind.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31460