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28 lines
462 B
28 lines
462 B
C S+poonceonces |
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(* |
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* Result: Sometimes |
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* |
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* Starting with a two-process release-acquire chain ordering P0()'s |
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* first store against P1()'s final load, if the smp_store_release() |
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* is replaced by WRITE_ONCE() and the smp_load_acquire() replaced by |
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* READ_ONCE(), is ordering preserved? |
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*) |
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{} |
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P0(int *x, int *y) |
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{ |
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WRITE_ONCE(*x, 2); |
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WRITE_ONCE(*y, 1); |
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} |
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P1(int *x, int *y) |
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{ |
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int r0; |
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r0 = READ_ONCE(*y); |
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WRITE_ONCE(*x, 1); |
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} |
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exists (x=2 /\ 1:r0=1)
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