atomic_ops: Remove volatile qualifier
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6527c0d2fc
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9f91d310c6
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@ -16,32 +16,31 @@ namespace Common {
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#if _MSC_VER
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template <typename T>
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[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected);
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[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected);
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template <typename T>
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[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected, T& actual);
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[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected, T& actual);
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(volatile u8* pointer, u8 value,
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u8 expected) {
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(u8* pointer, u8 value, u8 expected) {
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const u8 result =
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_InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected);
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return result == expected;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(volatile u16* pointer, u16 value,
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(u16* pointer, u16 value,
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u16 expected) {
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const u16 result =
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_InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected);
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return result == expected;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(volatile u32* pointer, u32 value,
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(u32* pointer, u32 value,
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u32 expected) {
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const u32 result =
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_InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected);
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return result == expected;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* pointer, u64 value,
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(u64* pointer, u64 value,
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u64 expected) {
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const u64 result = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer),
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value, expected);
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@ -54,29 +53,29 @@ template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* point
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reinterpret_cast<__int64*>(expected.data())) != 0;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(volatile u8* pointer, u8 value,
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u8 expected, u8& actual) {
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(u8* pointer, u8 value, u8 expected,
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u8& actual) {
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actual =
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_InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected);
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return actual == expected;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(volatile u16* pointer, u16 value,
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u16 expected, u16& actual) {
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(u16* pointer, u16 value, u16 expected,
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u16& actual) {
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actual =
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_InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected);
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return actual == expected;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(volatile u32* pointer, u32 value,
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u32 expected, u32& actual) {
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(u32* pointer, u32 value, u32 expected,
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u32& actual) {
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actual =
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_InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected);
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return actual == expected;
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}
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* pointer, u64 value,
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u64 expected, u64& actual) {
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template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(u64* pointer, u64 value, u64 expected,
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u64& actual) {
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actual = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), value,
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expected);
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return actual == expected;
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@ -101,11 +100,11 @@ template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* point
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#else
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template <typename T>
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[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected) {
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[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected) {
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return __sync_bool_compare_and_swap(pointer, expected, value);
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}
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[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected) {
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[[nodiscard]] inline bool AtomicCompareAndSwap(u64* pointer, u128 value, u128 expected) {
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unsigned __int128 value_a;
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unsigned __int128 expected_a;
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std::memcpy(&value_a, value.data(), sizeof(u128));
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@ -114,13 +113,12 @@ template <typename T>
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}
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template <typename T>
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[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected,
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T& actual) {
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[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected, T& actual) {
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actual = __sync_val_compare_and_swap(pointer, expected, value);
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return actual == expected;
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}
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[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected,
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[[nodiscard]] inline bool AtomicCompareAndSwap(u64* pointer, u128 value, u128 expected,
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u128& actual) {
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unsigned __int128 value_a;
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unsigned __int128 expected_a;
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@ -132,7 +130,7 @@ template <typename T>
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return actual_a == expected_a;
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}
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[[nodiscard]] inline u128 AtomicLoad128(volatile u64* pointer) {
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[[nodiscard]] inline u128 AtomicLoad128(u64* pointer) {
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unsigned __int128 zeros_a = 0;
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unsigned __int128 result_a =
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__sync_val_compare_and_swap((unsigned __int128*)pointer, zeros_a, zeros_a);
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@ -781,8 +781,7 @@ struct Memory::Impl {
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},
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[&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(T)); });
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if (ptr) {
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const auto volatile_pointer = reinterpret_cast<volatile T*>(ptr);
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return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
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return Common::AtomicCompareAndSwap(reinterpret_cast<T*>(ptr), data, expected);
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}
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return true;
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}
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@ -796,8 +795,7 @@ struct Memory::Impl {
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},
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[&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(u128)); });
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if (ptr) {
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const auto volatile_pointer = reinterpret_cast<volatile u64*>(ptr);
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return Common::AtomicCompareAndSwap(volatile_pointer, data, expected);
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return Common::AtomicCompareAndSwap(reinterpret_cast<u64*>(ptr), data, expected);
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}
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return true;
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}
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