| C Z6.0+pooncelock+poonceLock+pombonce | |
| {} | |
| P0(int *x, int *y, spinlock_t *mylock) | |
| { | |
| spin_lock(mylock); | |
| WRITE_ONCE(*x, 1); | |
| WRITE_ONCE(*y, 1); | |
| spin_unlock(mylock); | |
| } | |
| P1(int *y, int *z, spinlock_t *mylock) | |
| { | |
| int r0; | |
| spin_lock(mylock); | |
| smp_mb__after_spinlock(); | |
| r0 = READ_ONCE(*y); | |
| WRITE_ONCE(*z, 1); | |
| spin_unlock(mylock); | |
| } | |
| P2(int *x, int *z) | |
| { | |
| int r1; | |
| WRITE_ONCE(*z, 2); | |
| smp_mb(); | |
| r1 = READ_ONCE(*x); | |
| } | |
| exists (1:r0=1 /\ z=2 /\ 2:r1=0) |