1C LB+poacquireonce+pooncerelease 2 3(* 4 * Result: Never 5 * 6 * Does a release-acquire pair suffice for the load-buffering litmus 7 * test, where each process reads from one of two variables then writes 8 * to the other? 9 *) 10 11{} 12 13P0(int *x, int *y) 14{ 15 int r0; 16 17 r0 = READ_ONCE(*x); 18 smp_store_release(y, 1); 19} 20 21P1(int *x, int *y) 22{ 23 int r0; 24 25 r0 = smp_load_acquire(y); 26 WRITE_ONCE(*x, 1); 27} 28 29exists (0:r0=1 /\ 1:r0=1) 30