http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52201

--- Comment #3 from dave.anglin at bell dot net 2012-02-10 22:44:17 UTC ---
On 2/10/2012 5:41 PM, John David Anglin wrote:
> There is only only one atomic instruction (ldcw). 
Actually, loads and stores are also atomic and strongly ordered.  But 
that's it.

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