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| C S+fencewmbonceonce+poacquireonce
|
| (*
| * Result: Never
| *
| * Can a smp_wmb(), instead of a release, and an acquire order a prior
| * store against a subsequent store?
| *)
|
| {}
|
| P0(int *x, int *y)
| {
| WRITE_ONCE(*x, 2);
| smp_wmb();
| WRITE_ONCE(*y, 1);
| }
|
| P1(int *x, int *y)
| {
| int r0;
|
| r0 = smp_load_acquire(y);
| WRITE_ONCE(*x, 1);
| }
|
| exists (x=2 /\ 1:r0=1)
|
|
