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

[pinskia at gcc dot gnu dot org]

------- Comment #11 from pinskia at gcc dot gnu dot org  2005-11-18 15:24 -------
(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.

If that is really the issue, then 
http://gcc.gnu.org/ml/gcc-patches/2005-05/msg00872.html casued it but I really
doubt it from reading that linux kernel message.


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