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| author | bunnei <bunneidev@gmail.com> | 2021-01-15 23:01:42 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-15 23:01:42 -0800 |
| commit | a7fd61fcce4634b8e849ab65a732080e77fad902 (patch) | |
| tree | 843fb62264d5acf24a243d564de7492be660fa2e /src/common/atomic_ops.cpp | |
| parent | 8def504d737f8dc7b8e2139b6b6d8d3d85b62858 (diff) | |
| parent | 53d92318b82cd4a9e08f814fcb8aab624d795c6c (diff) | |
Merge pull request #5275 from FernandoS27/fast-native-clock
X86/NativeClock: Improve performance of clock calculations on hot path.
Diffstat (limited to 'src/common/atomic_ops.cpp')
| -rw-r--r-- | src/common/atomic_ops.cpp | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/common/atomic_ops.cpp b/src/common/atomic_ops.cpp deleted file mode 100644 index 1612d0e67a..0000000000 --- a/src/common/atomic_ops.cpp +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2020 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <cstring> - -#include "common/atomic_ops.h" - -#if _MSC_VER -#include <intrin.h> -#endif - -namespace Common { - -#if _MSC_VER - -bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected) { - const u8 result = - _InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected); - return result == expected; -} - -bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected) { - const u16 result = - _InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected); - return result == expected; -} - -bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected) { - const u32 result = - _InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected); - return result == expected; -} - -bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected) { - const u64 result = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), - value, expected); - return result == expected; -} - -bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected) { - return _InterlockedCompareExchange128(reinterpret_cast<volatile __int64*>(pointer), value[1], - value[0], - reinterpret_cast<__int64*>(expected.data())) != 0; -} - -#else - -bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected) { - return __sync_bool_compare_and_swap(pointer, expected, value); -} - -bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected) { - return __sync_bool_compare_and_swap(pointer, expected, value); -} - -bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected) { - return __sync_bool_compare_and_swap(pointer, expected, value); -} - -bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected) { - return __sync_bool_compare_and_swap(pointer, expected, value); -} - -bool AtomicCompareAndSwap(volatile u64* pointer, u128 value, u128 expected) { - unsigned __int128 value_a; - unsigned __int128 expected_a; - std::memcpy(&value_a, value.data(), sizeof(u128)); - std::memcpy(&expected_a, expected.data(), sizeof(u128)); - return __sync_bool_compare_and_swap((unsigned __int128*)pointer, expected_a, value_a); -} - -#endif - -} // namespace Common |