------- Comment #9 from pinskia at gcc dot gnu dot org 2005-11-18 15:20 ------- I should note that ld.acq+cmpxchg.rel is a full barrier. as noted in ia64.c so a mf is not required.
See also http://www.ussg.iu.edu/hypermail/linux/kernel/0205.1/0226.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24757
