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SVM: use InterlockedCompareExchange64 for 64-bit type (#397)

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Wenju He
2019-07-25 01:54:00 +08:00
committed by Kévin Petit
parent 28cf6de10f
commit d7ff4aa502
1 changed files with 2 additions and 1 deletions
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3
test_conformance/SVM/common.h
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@@ -44,7 +44,8 @@ bool AtomicCompareExchangeStrongExplicit(volatile T *a, T *expected, T desired,
{ {
T tmp; T tmp;
#if defined( _MSC_VER ) || (defined( __INTEL_COMPILER ) && defined(WIN32)) #if defined( _MSC_VER ) || (defined( __INTEL_COMPILER ) && defined(WIN32))
tmp = (T)InterlockedCompareExchange((volatile LONG *)a, (LONG)desired, *(LONG *)expected); tmp = (sizeof(void*) == 8) ? (T)InterlockedCompareExchange64((volatile LONG64 *)a, (LONG64)desired, *(LONG64 *)expected) :
(T)InterlockedCompareExchange((volatile LONG*)a, (LONG)desired, *(LONG*)expected);
#elif defined(__GNUC__) #elif defined(__GNUC__)
tmp = (T)__sync_val_compare_and_swap((volatile intptr_t*)a, (intptr_t)(*expected), (intptr_t)desired); tmp = (T)__sync_val_compare_and_swap((volatile intptr_t*)a, (intptr_t)(*expected), (intptr_t)desired);
#else #else