http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57157
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 30075 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30075&action=edit /tmp/gcc49-pr57157.patch Untested tiny i386 improvement, instead of roll $31, %eax we can emit rorl %eax which is shorter.