http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55135
--- Comment #13 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-01 07:52:41 UTC --- For reference, my numbers are for GCC 4.8 trunk r196182, configured with release checking, on x86_64-unknown-linux-gnu, on AMD Opteron Processor 8354 at 2200MHz.