David Venhoff
cfcea9ee67
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
26 lines
324 B
Plaintext
26 lines
324 B
Plaintext
C CoWR+poonceonce+Once
|
|
|
|
(*
|
|
* Result: Never
|
|
*
|
|
* Test of write-read coherence, that is, whether or not a write to a
|
|
* given variable and a later read from that same variable are ordered.
|
|
*)
|
|
|
|
{}
|
|
|
|
P0(int *x)
|
|
{
|
|
int r0;
|
|
|
|
WRITE_ONCE(*x, 1);
|
|
r0 = READ_ONCE(*x);
|
|
}
|
|
|
|
P1(int *x)
|
|
{
|
|
WRITE_ONCE(*x, 2);
|
|
}
|
|
|
|
exists (x=1 /\ 0:r0=2)
|