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atomic_ops: Reduce code duplication with templates

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Also fixes builds on unusual toolchains where:
- u32 is unsigned int
- u64 is unsigned long long
- uintptr_t is unsigned long
This commit is contained in:
Merry 2024-01-27 21:11:48 +00:00
parent ce2eb6e8ee
commit 6527c0d2fc
1 changed files with 26 additions and 45 deletions
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71
src/common/atomic_ops.h
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@ -15,25 +15,34 @@ namespace Common {
#if _MSC_VER #if _MSC_VER
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected) { template <typename T>
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected);
template <typename T>
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected, T& actual);
template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(volatile u8* pointer, u8 value,
u8 expected) {
const u8 result = const u8 result =
_InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected); _InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected);
return result == expected; return result == expected;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected) { template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(volatile u16* pointer, u16 value,
u16 expected) {
const u16 result = const u16 result =
_InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected); _InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected);
return result == expected; return result == expected;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected) { template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(volatile u32* pointer, u32 value,
u32 expected) {
const u32 result = const u32 result =
_InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected); _InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected);
return result == expected; return result == expected;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected) { template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* pointer, u64 value,
u64 expected) {
const u64 result = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), const u64 result = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer),
value, expected); value, expected);
return result == expected; return result == expected;
@ -45,29 +54,29 @@ namespace Common {
reinterpret_cast<__int64*>(expected.data())) != 0; reinterpret_cast<__int64*>(expected.data())) != 0;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected, template [[nodiscard]] inline bool AtomicCompareAndSwap<u8>(volatile u8* pointer, u8 value,
u8& actual) { u8 expected, u8& actual) {
actual = actual =
_InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected); _InterlockedCompareExchange8(reinterpret_cast<volatile char*>(pointer), value, expected);
return actual == expected; return actual == expected;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected, template [[nodiscard]] inline bool AtomicCompareAndSwap<u16>(volatile u16* pointer, u16 value,
u16& actual) { u16 expected, u16& actual) {
actual = actual =
_InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected); _InterlockedCompareExchange16(reinterpret_cast<volatile short*>(pointer), value, expected);
return actual == expected; return actual == expected;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected, template [[nodiscard]] inline bool AtomicCompareAndSwap<u32>(volatile u32* pointer, u32 value,
u32& actual) { u32 expected, u32& actual) {
actual = actual =
_InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected); _InterlockedCompareExchange(reinterpret_cast<volatile long*>(pointer), value, expected);
return actual == expected; return actual == expected;
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected, template [[nodiscard]] inline bool AtomicCompareAndSwap<u64>(volatile u64* pointer, u64 value,
u64& actual) { u64 expected, u64& actual) {
actual = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), value, actual = _InterlockedCompareExchange64(reinterpret_cast<volatile __int64*>(pointer), value,
expected); expected);
return actual == expected; return actual == expected;
@ -91,19 +100,8 @@ namespace Common {
#else #else
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected) { template <typename T>
return __sync_bool_compare_and_swap(pointer, expected, value); [[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected) {
}
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected) {
return __sync_bool_compare_and_swap(pointer, expected, value);
}
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected) {
return __sync_bool_compare_and_swap(pointer, expected, value);
}
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected) {
return __sync_bool_compare_and_swap(pointer, expected, value); return __sync_bool_compare_and_swap(pointer, expected, value);
} }
@ -115,26 +113,9 @@ namespace Common {
return __sync_bool_compare_and_swap((unsigned __int128*)pointer, expected_a, value_a); return __sync_bool_compare_and_swap((unsigned __int128*)pointer, expected_a, value_a);
} }
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u8* pointer, u8 value, u8 expected, template <typename T>
u8& actual) { [[nodiscard]] inline bool AtomicCompareAndSwap(volatile T* pointer, T value, T expected,
actual = __sync_val_compare_and_swap(pointer, expected, value); T& actual) {
return actual == expected;
}
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u16* pointer, u16 value, u16 expected,
u16& actual) {
actual = __sync_val_compare_and_swap(pointer, expected, value);
return actual == expected;
}
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u32* pointer, u32 value, u32 expected,
u32& actual) {
actual = __sync_val_compare_and_swap(pointer, expected, value);
return actual == expected;
}
[[nodiscard]] inline bool AtomicCompareAndSwap(volatile u64* pointer, u64 value, u64 expected,
u64& actual) {
actual = __sync_val_compare_and_swap(pointer, expected, value); actual = __sync_val_compare_and_swap(pointer, expected, value);
return actual == expected; return actual == expected;
} }