39 lines
2.1 KiB
Diff
39 lines
2.1 KiB
Diff
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diff -Nuarp opencv-3.4.16/modules/core/include/opencv2/core/cvdef.h opencv-3.4.16.unsafe_xadd/modules/core/include/opencv2/core/cvdef.h
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--- opencv-3.4.16/modules/core/include/opencv2/core/cvdef.h 2021-10-08 11:31:56.000000000 +0800
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+++ opencv-3.4.16.unsafe_xadd/modules/core/include/opencv2/core/cvdef.h 2021-11-24 10:59:23.713464681 +0800
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@@ -532,33 +532,7 @@ Cv64suf;
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* exchange-add operation for atomic operations on reference counters *
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\****************************************************************************************/
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-#ifdef CV_XADD
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- // allow to use user-defined macro
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-#elif defined __GNUC__ || defined __clang__
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-# if defined __clang__ && __clang_major__ >= 3 && !defined __ANDROID__ && !defined __EMSCRIPTEN__ && !defined(__CUDACC__) && !defined __INTEL_COMPILER
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-# ifdef __ATOMIC_ACQ_REL
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-# define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), delta, __ATOMIC_ACQ_REL)
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-# else
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-# define CV_XADD(addr, delta) __atomic_fetch_add((_Atomic(int)*)(addr), delta, 4)
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-# endif
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-# else
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-# if defined __ATOMIC_ACQ_REL && !defined __clang__
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- // version for gcc >= 4.7
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-# define CV_XADD(addr, delta) (int)__atomic_fetch_add((unsigned*)(addr), (unsigned)(delta), __ATOMIC_ACQ_REL)
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-# else
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-# define CV_XADD(addr, delta) (int)__sync_fetch_and_add((unsigned*)(addr), (unsigned)(delta))
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-# endif
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-# endif
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-#elif defined _MSC_VER && !defined RC_INVOKED
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-# include <intrin.h>
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-# define CV_XADD(addr, delta) (int)_InterlockedExchangeAdd((long volatile*)addr, delta)
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-#else
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- #ifdef OPENCV_FORCE_UNSAFE_XADD
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- CV_INLINE int CV_XADD(int* addr, int delta) { int tmp = *addr; *addr += delta; return tmp; }
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- #else
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- #error "OpenCV: can't define safe CV_XADD macro for current platform (unsupported). Define CV_XADD macro through custom port header (see OPENCV_INCLUDE_PORT_FILE)"
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- #endif
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-#endif
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+CV_INLINE int CV_XADD(void* addr, int delta) { int tmp = *(int*)addr; *(int*)addr += delta; return tmp; }
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/****************************************************************************************\
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