------- Comment #6 from jakub at gcc dot gnu dot org 2010-06-09 11:36 ------- Then it has nothing to do with the asm. If the macro is widely used and very often sets a var that isn't used, all you can do is add (void) cast to shut the warning up. (void) (y = var >> 16); in this case.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44478
