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[PGO] Implement BOOL_CMPXCHG for Windows 

llvm-svn: 256128
This commit is contained in:
Xinliang David Li 2015-12-20 19:11:44 +00:00
parent ca66fc5473
commit f82944db76
1 changed files with 13 additions and 0 deletions
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13
compiler-rt/lib/profile/InstrProfilingPort.h
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@ -23,8 +23,21 @@
#define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect)))
#if COMPILER_RT_HAS_ATOMICS == 1
#ifdef _MSC_VER
#include <windows.h>
#if defined(_WIN32)
#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
(InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
(LONG)OldV)
#else
#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
(InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV, \
(LONGLONG)OldV) == (LONGLONG)OldV)
#endif
#else
#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
__sync_bool_compare_and_swap(Ptr, OldV, NewV)
#endif
#else
#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
BoolCmpXchg((void **)Ptr, OldV, NewV)