27 #define __arch_compare_and_exchange_bool_8_acq(mem, newval, oldval) \  argument
30 #define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \  argument
33 #define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \  argument
34   (!__sync_bool_compare_and_swap ((mem), (int) (long) (oldval), \
37 #define __arch_compare_and_exchange_bool_64_acq(mem, newval, oldval) \  argument
38   (!__sync_bool_compare_and_swap ((mem), (long) (oldval), \
41 #define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \  argument
42   (abort (), (__typeof (*mem)) 0)
44 #define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \  argument
45   (abort (), (__typeof (*mem)) 0)
47 #define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \  argument
48   __sync_val_compare_and_swap ((mem), (int) (long) (oldval), \
51 #define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \  argument
52   __sync_val_compare_and_swap ((mem), (long) (oldval), (long) (newval))
55 #define atomic_exchange_acq(mem, value) \  argument
56   __sync_lock_test_and_set (mem, value)
58 #define atomic_exchange_rel(mem, value) \  argument
59   (__sync_synchronize (), __sync_lock_test_and_set (mem, value))
61 #define atomic_exchange_and_add(mem, value) \  argument
62   __sync_fetch_and_add ((mem), (value))
64 #define atomic_decrement_if_positive(mem) \  argument
65   ({ __typeof (*mem) __oldval, __val;					      \
66      __typeof (mem) __memp = (mem);					      \
80 #define atomic_bit_test_set(mem, bit) \  argument
81   ({ __typeof (*mem) __oldval, __val;					      \
82      __typeof (mem) __memp = (mem);					      \
83      __typeof (*mem) __mask = ((__typeof (*mem)) 1 << (bit));		      \