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Bug 71845 - Use 64-bit cmpexch on ARM64 iOS

This commit is contained in:
Behdad Esfahbod 2013-11-20 14:21:07 -05:00
parent 02c6c8cd6e
commit 0bb31e4497
1 changed files with 1 additions and 1 deletions
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2
src/hb-atomic-private.hh
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@ -78,7 +78,7 @@ typedef int32_t hb_atomic_int_t;
#if (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4 || __IPHONE_VERSION_MIN_REQUIRED >= 20100)
#define hb_atomic_ptr_cmpexch(P,O,N) OSAtomicCompareAndSwapPtrBarrier ((void *) (O), (void *) (N), (void **) (P))
#else
#if __ppc64__ || __x86_64__
#if __ppc64__ || __x86_64__ || __arm64__
#define hb_atomic_ptr_cmpexch(P,O,N) OSAtomicCompareAndSwap64Barrier ((int64_t) (O), (int64_t) (N), (int64_t*) (P))
#else
#define hb_atomic_ptr_cmpexch(P,O,N) OSAtomicCompareAndSwap32Barrier ((int32_t) (O), (int32_t) (N), (int32_t*) (P))