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- C ISA2+poonceonces
- (*
- * Result: Sometimes
- *
- * Given a release-acquire chain ordering the first process's store
- * against the last process's load, is ordering preserved if all of the
- * smp_store_release() invocations are replaced by WRITE_ONCE() and all
- * of the smp_load_acquire() invocations are replaced by READ_ONCE()?
- *)
- {}
- P0(int *x, int *y)
- {
- WRITE_ONCE(*x, 1);
- WRITE_ONCE(*y, 1);
- }
- P1(int *y, int *z)
- {
- int r0;
- r0 = READ_ONCE(*y);
- WRITE_ONCE(*z, 1);
- }
- P2(int *x, int *z)
- {
- int r0;
- int r1;
- r0 = READ_ONCE(*z);
- r1 = READ_ONCE(*x);
- }
- exists (1:r0=1 /\ 2:r0=1 /\ 2:r1=0)
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