------- Comment #3 from hjl dot tools at gmail dot com 2008-09-19 16:00 -------
This regression is caused by compare/branch fuse optimization.
Gcc 4.3 is OK. Turn it off fixes it.
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hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Performance regression with |[4.4 regression] Performance
|-mtune=core2 |regression due to
| |compare/branch fuse
| |optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37571
