------- Comment #3 from rguenth at gcc dot gnu dot org 2007-01-26 13:44 ------- Another thing we should be able to do is combine bit-tests like
if (a & (1 << b))
if (a & (1 << c))
...
to a single test
if (a & ((1 << b) | (1 << c)) == ((1 << b) | (1 << c)))
...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15357
