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Expand std::atomic feature tests to include compare_exchange, fetch_add, etc. #1315

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Nov 4, 2024
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Expand std::atomic feature tests to include compare_exchange, fetch_add, etc. #1315

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29 changes: 27 additions & 2 deletions cmake/tests/cxx11_std_atomic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,34 @@
void test_atomic()
{
std::atomic<T> a;

a.store(T{});
T i = a.load();
(void) i;

{
[[maybe_unused]] T i = a.load();

Check notice on line 20 in cmake/tests/cxx11_std_atomic.cpp

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cmake/tests/cxx11_std_atomic.cpp#L20 

Variable 'i' is assigned a value that is never used.
}

{
[[maybe_unused]] T i = a.exchange(T{});

Check notice on line 24 in cmake/tests/cxx11_std_atomic.cpp

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cmake/tests/cxx11_std_atomic.cpp#L24 

Variable 'i' is assigned a value that is never used.
}

{
T expected{};
[[maybe_unused]] bool b = a.compare_exchange_weak(expected, T{});
}

{
T expected{};
[[maybe_unused]] bool b = a.compare_exchange_strong(expected, T{});
}

{
[[maybe_unused]] T i = a.fetch_sub(T{1});

Check notice on line 38 in cmake/tests/cxx11_std_atomic.cpp

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cmake/tests/cxx11_std_atomic.cpp#L38 

Variable 'i' is assigned a value that is never used.
}

{
[[maybe_unused]] T i = a.fetch_add(T{1});

Check notice on line 42 in cmake/tests/cxx11_std_atomic.cpp

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cmake/tests/cxx11_std_atomic.cpp#L42 

Variable 'i' is assigned a value that is never used.
}
}

int main()
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21 changes: 19 additions & 2 deletions cmake/tests/cxx11_std_atomic_128bit.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,26 @@
void test_atomic()
{
std::atomic<T> a;

a.store(T{});
T i = a.load();
(void) i;

{
[[maybe_unused]] T i = a.load();

Check notice on line 20 in cmake/tests/cxx11_std_atomic_128bit.cpp

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cmake/tests/cxx11_std_atomic_128bit.cpp#L20 

Variable 'i' is assigned a value that is never used.
}

{
[[maybe_unused]] T i = a.exchange(T{});

Check notice on line 24 in cmake/tests/cxx11_std_atomic_128bit.cpp

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cmake/tests/cxx11_std_atomic_128bit.cpp#L24 

Variable 'i' is assigned a value that is never used.
}

{
T expected{};
[[maybe_unused]] bool b = a.compare_exchange_weak(expected, T{});
}

{
T expected{};
[[maybe_unused]] bool b = a.compare_exchange_strong(expected, T{});
}
}

struct uint128_type
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