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author | Merry <git@mary.rs> | 2024-01-27 22:36:39 +0100 |
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committer | Merry <git@mary.rs> | 2024-01-27 22:36:39 +0100 |
commit | 9f91d310c6a79bb0f5f681e931edf29158895311 (patch) | |
tree | fff7a04ba918c76c8631755f34ec02d656ab4d43 | |
parent | atomic_ops: Reduce code duplication with templates (diff) | |
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-rw-r--r-- | src/common/atomic_ops.h | 40 | ||||
-rw-r--r-- | src/core/memory.cpp | 6 |
2 files changed, 21 insertions, 25 deletions
diff --git a/src/common/atomic_ops.h b/src/common/atomic_ops.h index c809e6963..885fe3c4e 100644 --- a/src/common/atomic_ops.h +++ b/src/common/atomic_ops.h @@ -16,32 +16,31 @@ namespace Common { #if _MSC_VER template <typename T> -[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected); +[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected); template <typename T> -[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected, T& actual); +[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected, T& actual); -template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(volatile u8* pointer, u8 value, - u8 expected) { +template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(u8* pointer, u8 value, u8 expected) { const u8 result = _InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected); return result == expected; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(volatile u16* pointer, u16 value, +template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(u16* pointer, u16 value, u16 expected) { const u16 result = _InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected); return result == expected; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(volatile u32* pointer, u32 value, +template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(u32* pointer, u32 value, u32 expected) { const u32 result = _InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected); return result == expected; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* pointer, u64 value, +template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(u64* pointer, u64 value, u64 expected) { const u64 result = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), value, expected); @@ -54,29 +53,29 @@ template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* point reinterpret_cast<__int64*>(expected.data())) != 0; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(volatile u8* pointer, u8 value, - u8 expected, u8& actual) { +template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(u8* pointer, u8 value, u8 expected, + u8& actual) { actual = _InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected); return actual == expected; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(volatile u16* pointer, u16 value, - u16 expected, u16& actual) { +template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(u16* pointer, u16 value, u16 expected, + u16& actual) { actual = _InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected); return actual == expected; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(volatile u32* pointer, u32 value, - u32 expected, u32& actual) { +template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(u32* pointer, u32 value, u32 expected, + u32& actual) { actual = _InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected); return actual == expected; } -template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* pointer, u64 value, - u64 expected, u64& actual) { +template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(u64* pointer, u64 value, u64 expected, + u64& actual) { actual = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), value, expected); return actual == expected; @@ -101,11 +100,11 @@ template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* point #else template <typename T> -[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected) { +[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected) { return __sync_bool_compare_and_swap(pointer, expected, value); } -[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected) { +[[nodiscard]] inline bool AtomicCompareAndSwap(u64* pointer, u128 value, u128 expected) { unsigned __int128 value_a; unsigned __int128 expected_a; std::memcpy(&value_a, value.data(), sizeof(u128)); @@ -114,13 +113,12 @@ template <typename T> } template <typename T> -[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected, - T& actual) { +[[nodiscard]] inline bool AtomicCompareAndSwap(T* pointer, T value, T expected, T& actual) { actual = __sync_val_compare_and_swap(pointer, expected, value); return actual == expected; } -[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected, +[[nodiscard]] inline bool AtomicCompareAndSwap(u64* pointer, u128 value, u128 expected, u128& actual) { unsigned __int128 value_a; unsigned __int128 expected_a; @@ -132,7 +130,7 @@ template <typename T> return actual_a == expected_a; } -[[nodiscard]] inline u128 AtomicLoad128(volatile u64* pointer) { +[[nodiscard]] inline u128 AtomicLoad128(u64* pointer) { unsigned __int128 zeros_a = 0; unsigned __int128 result_a = __sync_val_compare_and_swap((unsigned __int128*)pointer, zeros_a, zeros_a); diff --git a/src/core/memory.cpp b/src/core/memory.cpp index 1c218566f..e10a4601e 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -781,8 +781,7 @@ struct Memory::Impl { }, [&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(T)); }); if (ptr) { - const auto volatile_pointer = reinterpret_cast<volatile T*>(ptr); - return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); + return Common::AtomicCompareAndSwap(reinterpret_cast<T*>(ptr), data, expected); } return true; } @@ -796,8 +795,7 @@ struct Memory::Impl { }, [&]() { HandleRasterizerWrite(GetInteger(vaddr), sizeof(u128)); }); if (ptr) { - const auto volatile_pointer = reinterpret_cast<volatile u64*>(ptr); - return Common::AtomicCompareAndSwap(volatile_pointer, data, expected); + return Common::AtomicCompareAndSwap(reinterpret_cast<u64*>(ptr), data, expected); } return true; } |