1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
C LB+poonceonces

(*
 * Result: Sometimes
 *
 * Can the counter-intuitive outcome for the load-buffering pattern
 * be prevented even with no explicit ordering?
 *)

{}

P0(int *x, int *y)
{
	int r0;

	r0 = READ_ONCE(*x);
	WRITE_ONCE(*y, 1);
}

P1(int *x, int *y)
{
	int r0;

	r0 = READ_ONCE(*y);
	WRITE_ONCE(*x, 1);
}

exists (0:r0=1 /\ 1:r0=1)
前天看到了小兔,昨天是小鹿,今天是你