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Diffstat (limited to 'tools/memory-model/litmus-tests/ISA2+poonceonces.litmus')
-rw-r--r-- | tools/memory-model/litmus-tests/ISA2+poonceonces.litmus | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus b/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus new file mode 100644 index 000000000000..b321aa6f4ea5 --- /dev/null +++ b/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus @@ -0,0 +1,37 @@ +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) |