diff options
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-atomic-private.hh')
| -rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-atomic-private.hh | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-atomic-private.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-atomic-private.hh index 8179571ad2d..100ba539e3a 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-atomic-private.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-atomic-private.hh @@ -119,6 +119,31 @@ typedef unsigned int hb_atomic_int_impl_t; #define hb_atomic_ptr_impl_cmpexch(P,O,N) ( ({__machine_rw_barrier ();}), atomic_cas_ptr ((void **) (P), (void *) (O), (void *) (N)) == (void *) (O) ? true : false) +#elif !defined(HB_NO_MT) && defined(_AIX) && defined(__IBMCPP__) + +#include <builtins.h> + + +static inline int hb_fetch_and_add(volatile int* AI, unsigned int V) { + __lwsync(); + int result = __fetch_and_add(AI, V); + __isync(); + return result; +} +static inline int hb_compare_and_swaplp(volatile long* P, long O, long N) { + __sync(); + int result = __compare_and_swaplp (P, &O, N); + __sync(); + return result; +} + +typedef int hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) hb_fetch_and_add (&(AI), (V)) + +#define hb_atomic_ptr_impl_get(P) (__sync(), (void *) *(P)) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) hb_compare_and_swaplp ((long*)(P), (long)(O), (long)(N)) + #elif !defined(HB_NO_MT) #define HB_ATOMIC_INT_NIL 1 /* Warn that fallback implementation is in use. */ |