http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50182
--- Comment #25 from davidxl <xinliangli at gmail dot com> 2011-10-24 23:02:14 UTC --- Created attachment 25600 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25600 test case for 47 Note that with gcc46, the result is even slower -- it has the RAT stall problem which is fixed in 47. David