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[Bug rtl-optimization/31799] Failed to optimize out test instruction
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 May 2007 17:49:12 -0000
- Subject: [Bug rtl-optimization/31799] Failed to optimize out test instruction
- References: <bug-31799-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from ubizjak at gmail dot com 2007-05-05 18:49 -------
(In reply to comment #3)
> The problem may be patterns like
No, the patterns are OK. Combine pass merges these patterns without problems.
But without links, combine doesn't even try to merge them.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31799