mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-24 14:49:42 -06:00
Remove unnecessary Src/ folders
This commit is contained in:
90
Source/Core/Common/Atomic_GCC.h
Normal file
90
Source/Core/Common/Atomic_GCC.h
Normal file
@ -0,0 +1,90 @@
|
||||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#ifndef _ATOMIC_GCC_H_
|
||||
#define _ATOMIC_GCC_H_
|
||||
|
||||
#include "Common.h"
|
||||
|
||||
// Atomic operations are performed in a single step by the CPU. It is
|
||||
// impossible for other threads to see the operation "half-done."
|
||||
//
|
||||
// Some atomic operations can be combined with different types of memory
|
||||
// barriers called "Acquire semantics" and "Release semantics", defined below.
|
||||
//
|
||||
// Acquire semantics: Future memory accesses cannot be relocated to before the
|
||||
// operation.
|
||||
//
|
||||
// Release semantics: Past memory accesses cannot be relocated to after the
|
||||
// operation.
|
||||
//
|
||||
// These barriers affect not only the compiler, but also the CPU.
|
||||
|
||||
namespace Common
|
||||
{
|
||||
|
||||
inline void AtomicAdd(volatile u32& target, u32 value) {
|
||||
__sync_add_and_fetch(&target, value);
|
||||
}
|
||||
|
||||
inline void AtomicAnd(volatile u32& target, u32 value) {
|
||||
__sync_and_and_fetch(&target, value);
|
||||
}
|
||||
|
||||
inline void AtomicDecrement(volatile u32& target) {
|
||||
__sync_add_and_fetch(&target, -1);
|
||||
}
|
||||
|
||||
inline void AtomicIncrement(volatile u32& target) {
|
||||
__sync_add_and_fetch(&target, 1);
|
||||
}
|
||||
|
||||
inline void AtomicOr(volatile u32& target, u32 value) {
|
||||
__sync_or_and_fetch(&target, value);
|
||||
}
|
||||
|
||||
#ifdef __clang__
|
||||
template <typename T>
|
||||
_Atomic(T)* ToC11Atomic(volatile T* loc)
|
||||
{
|
||||
return (_Atomic(T)*) loc;
|
||||
}
|
||||
|
||||
#define __atomic_load_n(p, m) __c11_atomic_load(ToC11Atomic(p), m)
|
||||
#define __atomic_store_n(p, v, m) __c11_atomic_store(ToC11Atomic(p), v, m)
|
||||
#define __atomic_exchange_n(p, v, m) __c11_atomic_exchange(ToC11Atomic(p), v, m)
|
||||
#endif
|
||||
|
||||
#ifndef __ATOMIC_RELAXED
|
||||
#error __ATOMIC_RELAXED not defined; your compiler version is too old.
|
||||
#endif
|
||||
|
||||
template <typename T>
|
||||
inline T AtomicLoad(volatile T& src) {
|
||||
return __atomic_load_n(&src, __ATOMIC_RELAXED);
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
inline T AtomicLoadAcquire(volatile T& src) {
|
||||
return __atomic_load_n(&src, __ATOMIC_ACQUIRE);
|
||||
}
|
||||
|
||||
template <typename T, typename U>
|
||||
inline void AtomicStore(volatile T& dest, U value) {
|
||||
__atomic_store_n(&dest, value, __ATOMIC_RELAXED);
|
||||
}
|
||||
|
||||
template <typename T, typename U>
|
||||
inline void AtomicStoreRelease(volatile T& dest, U value) {
|
||||
__atomic_store_n(&dest, value, __ATOMIC_RELEASE);
|
||||
}
|
||||
|
||||
template <typename T, typename U>
|
||||
inline T* AtomicExchangeAcquire(T* volatile& loc, U newval) {
|
||||
return __atomic_exchange_n(&loc, newval, __ATOMIC_ACQ_REL);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user