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Use __aarch64__ for 64-bit ARM detection, not __arm64__ 

Many GCC versions don't define __arm64__
This commit is contained in:
Primiano Tucci 2014-04-02 11:35:27 +01:00 committed by Behdad Esfahbod
parent 04d894e897
commit 05870ed62e
1 changed files with 1 additions and 1 deletions
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2
src/hb-atomic-private.hh
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@ -82,7 +82,7 @@ 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__ || __arm64__
#if __ppc64__ || __x86_64__ || __aarch64__
#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))