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