[Bug target/23322] [4.1/4.2/4.3 regression] performance regression

hubicka at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Tue Feb 5 22:51:00 GMT 2008



------- Comment #20 from hubicka at gcc dot gnu dot org  2008-02-05 22:50 -------
Last rumors I heard about LR splitting was that it didn't really helped and
worked and used LOOP notes, so it would need complete rewrite anyway.  This
problem wasn't really LR splitting issue, just wrong caller save decision
heuristic.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23322



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