Mirrors/bx
1
0
Fork 0
mirror of https://github.com/bkaradzic/bx.git synced 2026-02-18 04:53:06 +01:00
Code Issues Packages Projects Releases Wiki Activity

Cleanup.

Browse Source
This commit is contained in:
Branimir Karadžić
2015-09-16 22:40:45 -07:00
parent e59cc55a10
commit d9d0823559
1 changed files with 41 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
include/bx/cpu.h
View File

@@ -25,8 +25,7 @@ extern "C" void _ReadWriteBarrier();
# pragma intrinsic(_ReadBarrier)
# pragma intrinsic(_WriteBarrier)
# pragma intrinsic(_ReadWriteBarrier)
# pragma intrinsic(_InterlockedIncrement)
# pragma intrinsic(_InterlockedDecrement)
# pragma intrinsic(_InterlockedExchangeAdd)
# pragma intrinsic(_InterlockedCompareExchange)
#endif // BX_COMPILER_MSVC
@@ -77,24 +76,52 @@ namespace bx
#endif // BX_COMPILER
}
/// Returns the resulting incremented value.
inline int32_t atomicInc(volatile void* _ptr)
inline int32_t atomicFetchAndAdd(volatile int32_t* _ptr, int32_t _add)
{
#if BX_COMPILER_MSVC
return _InterlockedIncrement( (volatile LONG*)(_ptr) );
return _InterlockedExchangeAdd(_ptr, _add);
#else
return __sync_add_and_fetch( (volatile int32_t*)_ptr, 1);
#endif // BX_COMPILER
return __sync_fetch_and_add(_ptr, _add);
#endif // BX_COMPILER_
}
inline int32_t atomicAddAndFetch(volatile int32_t* _ptr, int32_t _add)
{
#if BX_COMPILER_MSVC
return _InterlockedExchangeAdd(_ptr, _add) + _add;
#else
return __sync_add_and_fetch(_ptr, _add);
#endif // BX_COMPILER_
}
inline int32_t atomicFetchAndSub(volatile int32_t* _ptr, int32_t _sub)
{
#if BX_COMPILER_MSVC
return _InterlockedExchangeAdd(_ptr, -_sub);
#else
return __sync_fetch_and_sub(_ptr, _sub);
#endif // BX_COMPILER_
}
inline int32_t atomicSubAndFetch(volatile int32_t* _ptr, int32_t _sub)
{
#if BX_COMPILER_MSVC
return _InterlockedExchangeAdd(_ptr, -_sub) - _sub;
#else
return __sync_sub_and_fetch(_ptr, _sub);
#endif // BX_COMPILER_
}
/// Returns the resulting incremented value.
inline int32_t atomicInc(volatile int32_t* _ptr)
{
return atomicAddAndFetch(_ptr, 1);
}
/// Returns the resulting decremented value.
inline int32_t atomicDec(volatile void* _ptr)
inline int32_t atomicDec(volatile int32_t* _ptr)
{
#if BX_COMPILER_MSVC
return _InterlockedDecrement( (volatile LONG*)(_ptr) );
#else
return __sync_sub_and_fetch( (volatile int32_t*)_ptr, 1);
#endif // BX_COMPILER
return atomicSubAndFetch(_ptr, 1);
}
///
@@ -111,7 +138,7 @@ namespace bx
inline void* atomicExchangePtr(void** _ptr, void* _new)
{
#if BX_COMPILER_MSVC
return InterlockedExchangePointer(_ptr, _new); /* VS2012 no intrinsics */
return InterlockedExchangePointer(_ptr, _new);
#else
return __sync_lock_test_and_set(_ptr, _new);
#endif // BX_COMPILER