[Bug tree-optimization/19097] [4.1/4.2/4.3 regression] Quadratic behavior with many sets for the same register in VRP

[stevenb dot gcc at gmail dot com]

------- Comment #45 from stevenb dot gcc at gmail dot com  2007-11-11 09:23 -------
Subject: Re:  [4.1/4.2/4.3 regression] Quadratic behavior with many sets for
the same register in VRP

Because it costs more than it brings: compile time on average goes
_up_ with that patch.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19097