David Edelsohn wrote: > On Wed, Sep 3, 2008 at 6:53 PM, Anton Blanchard <[EMAIL PROTECTED]> wrote: >> The only thing lwsync wont order is a store followed by a load. Since >> the lwsync will always be paired with a store (the stwcx), we will order >> all accesses before it and provide a release barrier. > > Anton, > > My one other concern is developers using the builtins for applications on > embedded PowerPC processors. lwsync will not order accesses to device > memory space, AFAICT.
Don't you need eieio+sync for that? GCC does not generate the eieio now. Paolo
