http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48367
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-03-30 16:26:14 UTC --- I used "-O3 -funroll-loops -msse2 -mfpmath=sse -ffast-math" to compile it.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48367
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-03-30 16:26:14 UTC --- I used "-O3 -funroll-loops -msse2 -mfpmath=sse -ffast-math" to compile it.