On Mon, Apr 18, 2005 at 02:48:27PM -0700, Geoffrey Keating wrote: > The documentation for the atomic operation patterns says things like: > > >This pattern must issue any memory barrier instructions such that the > >pattern as a whole acts as a full barrier. > > Should the barrier happen before the operation, after the operation, > are there two barriers, or is it undefined?
Two barriers. r~
