blob: 18479823cd6ccd1315b6723a215bf8df7f38daf2 [file] [log] [blame]
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)