| 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) |