http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46200
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |WAITING CC| |hjl.tools at gmail dot com, | |mkuvyrkov at gmail dot com --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-28 17:14:28 UTC --- Does -mtune=generic have regressions? The current -mtune=core2 is slower than -mtune=generic. Maxim, could you please try this tescase with your Core 2/Core i7 changes?