| C LB+poacquireonce+pooncerelease | |
| (* | |
| * Result: Never | |
| * | |
| * Does a release-acquire pair suffice for the load-buffering litmus | |
| * test, where each process reads from one of two variables then writes | |
| * to the other? | |
| *) | |
| { | |
| int x; | |
| int y; | |
| } | |
| P0(int *x, int *y) | |
| { | |
| int r0; | |
| r0 = READ_ONCE(*x); | |
| smp_store_release(y, 1); | |
| } | |
| P1(int *x, int *y) | |
| { | |
| int r0; | |
| r0 = smp_load_acquire(y); | |
| WRITE_ONCE(*x, 1); | |
| } | |
| exists (0:r0=1 /\ 1:r0=1) |