162306a36Sopenharmony_ciC ISA2+poonceonces
262306a36Sopenharmony_ci
362306a36Sopenharmony_ci(*
462306a36Sopenharmony_ci * Result: Sometimes
562306a36Sopenharmony_ci *
662306a36Sopenharmony_ci * Given a release-acquire chain ordering the first process's store
762306a36Sopenharmony_ci * against the last process's load, is ordering preserved if all of the
862306a36Sopenharmony_ci * smp_store_release() invocations are replaced by WRITE_ONCE() and all
962306a36Sopenharmony_ci * of the smp_load_acquire() invocations are replaced by READ_ONCE()?
1062306a36Sopenharmony_ci *)
1162306a36Sopenharmony_ci
1262306a36Sopenharmony_ci{}
1362306a36Sopenharmony_ci
1462306a36Sopenharmony_ciP0(int *x, int *y)
1562306a36Sopenharmony_ci{
1662306a36Sopenharmony_ci	WRITE_ONCE(*x, 1);
1762306a36Sopenharmony_ci	WRITE_ONCE(*y, 1);
1862306a36Sopenharmony_ci}
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ciP1(int *y, int *z)
2162306a36Sopenharmony_ci{
2262306a36Sopenharmony_ci	int r0;
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ci	r0 = READ_ONCE(*y);
2562306a36Sopenharmony_ci	WRITE_ONCE(*z, 1);
2662306a36Sopenharmony_ci}
2762306a36Sopenharmony_ci
2862306a36Sopenharmony_ciP2(int *x, int *z)
2962306a36Sopenharmony_ci{
3062306a36Sopenharmony_ci	int r0;
3162306a36Sopenharmony_ci	int r1;
3262306a36Sopenharmony_ci
3362306a36Sopenharmony_ci	r0 = READ_ONCE(*z);
3462306a36Sopenharmony_ci	r1 = READ_ONCE(*x);
3562306a36Sopenharmony_ci}
3662306a36Sopenharmony_ci
3762306a36Sopenharmony_ciexists (1:r0=1 /\ 2:r0=1 /\ 2:r1=0)
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