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[Bug tree-optimization/46403] inefficient PRE bloat code size
- From: "xinliangli at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 10 Nov 2010 18:01:58 +0000
- Subject: [Bug tree-optimization/46403] inefficient PRE bloat code size
- Auto-submitted: auto-generated
- References: <bug-46403-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46403
--- Comment #4 from davidxl <xinliangli at gmail dot com> 2010-11-10 18:01:46 UTC ---
(In reply to comment #3)
> I think what you are seeing is tail duplication happening.
Right, disabling bb-reordering, the duplication does not happen -- looks like
something to tune.
David