Roll HarfBuzz to 0.9.32

third_party/harfbuzz-ng/src/hb-atomic-private.hh

 /*
  * Copyright © 2007  Chris Wilson
  * Copyright © 2009,2010  Red Hat, Inc.
  * Copyright © 2011,2012  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
@@ skipping 64 matching lines @@
 #include <Availability.h>
 #endif
 
 typedef int32_t hb_atomic_int_t;
 #define hb_atomic_int_add(AI, V)        (OSAtomicAdd32Barrier ((V), &(AI)) - (V))
 
 #define hb_atomic_ptr_get(P)            (OSMemoryBarrier (), (void *) *(P))
 #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))
 #endif
 #endif
 
 
 #elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES)
 
 typedef int hb_atomic_int_t;
@@ skipping 31 matching lines @@
 #define hb_atomic_int_add(AI, V)        (((AI) += (V)) - (V))
 
 #define hb_atomic_ptr_get(P)            ((void *) *(P))
 #define hb_atomic_ptr_cmpexch(P,O,N)    (* (void **) (P) == (void *) (O) ? (* (void **) (P) = (void *) (N), true) : false)
 
 #endif
 
 /* TODO Add tracing. */
 
 #endif /* HB_ATOMIC_PRIVATE_HH */