[Bug target/24757] [4.1 Regression] __sync_fetch_and_add on ia64

[pinskia at gcc dot gnu dot org]

------- 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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24757