http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50131
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-19 20:58:00 UTC --- There are 1273 "movl $0xffffffff," and 924 "movq 0xffffffffffffffff," in cc1plus. This change can reduce cc1plus size by 6242 bytes.