------- Comment #10 from pcarlini at suse dot de 2005-11-18 15:23 ------- (In reply to comment #9) > I should note that > ld.acq+cmpxchg.rel is a full barrier. > as noted in ia64.c so a mf is not required.
Did you read the last message from Alexander on the libstdc++ mailing list, in particular the last paragraph? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24757
