linux/tools/memory-model/litmus-tests/LB+poonceonces.litmus
Paul E. McKenney 1947bfcf81 tools/memory-model: Add types to litmus tests
This commit adds type information for global variables in the litmus
tests in order to allow easier use with klitmus7.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-11-06 17:25:16 -08:00

32 lines
363 B
Plaintext

C LB+poonceonces
(*
* Result: Sometimes
*
* Can the counter-intuitive outcome for the load-buffering pattern
* be prevented even with no explicit ordering?
*)
{
int x;
int y;
}
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)