http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47000
--- Comment #20 from Jeff Garzik <jgarzik at pobox dot com> 2010-12-18 21:25:46 UTC --- (In reply to comment #16) > I don't think it is a good idea to change inliner heuristics in 4.5 at this > point. If it is always a good idea to inline that function, it should be > __attribute__((always_inline)). I confirm that replacing 'inline' with '__attribute__((always_inline))' also resolves the regression. It is a bit disappointing to leave such a major performance diff (-26%!) in latest stable compiler release without resolution (if the decision is to leave the inliner alone).
