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aarch64: Remove ununsed atomic macros
These are already provided by the generic include/atomic.h. Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
This commit is contained in:
@@ -20,133 +20,8 @@
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#define _AARCH64_ATOMIC_MACHINE_H 1
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#define _AARCH64_ATOMIC_MACHINE_H 1
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#define __HAVE_64B_ATOMICS 1
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#define __HAVE_64B_ATOMICS 1
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#define USE_ATOMIC_COMPILER_BUILTINS 1
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#define ATOMIC_EXCHANGE_USES_CAS 0
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#define ATOMIC_EXCHANGE_USES_CAS 0
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/* Compare and exchange.
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For all "bool" routines, we return FALSE if exchange successful. */
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# define __arch_compare_and_exchange_bool_8_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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!__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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})
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# define __arch_compare_and_exchange_bool_16_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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!__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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})
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# define __arch_compare_and_exchange_bool_32_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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!__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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})
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# define __arch_compare_and_exchange_bool_64_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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!__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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})
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# define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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__oldval; \
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})
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# define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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__oldval; \
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})
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# define __arch_compare_and_exchange_val_32_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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__oldval; \
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})
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# define __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \
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({ \
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typeof (*mem) __oldval = (oldval); \
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__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
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model, __ATOMIC_RELAXED); \
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__oldval; \
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})
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/* Compare and exchange with "acquire" semantics, ie barrier after. */
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# define atomic_compare_and_exchange_bool_acq(mem, new, old) \
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__atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \
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mem, new, old, __ATOMIC_ACQUIRE)
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# define atomic_compare_and_exchange_val_acq(mem, new, old) \
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__atomic_val_bysize (__arch_compare_and_exchange_val, int, \
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mem, new, old, __ATOMIC_ACQUIRE)
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/* Compare and exchange with "release" semantics, ie barrier before. */
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# define atomic_compare_and_exchange_val_rel(mem, new, old) \
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__atomic_val_bysize (__arch_compare_and_exchange_val, int, \
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mem, new, old, __ATOMIC_RELEASE)
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/* Atomic exchange (without compare). */
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# define __arch_exchange_8_int(mem, newval, model) \
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__atomic_exchange_n (mem, newval, model)
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# define __arch_exchange_16_int(mem, newval, model) \
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__atomic_exchange_n (mem, newval, model)
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# define __arch_exchange_32_int(mem, newval, model) \
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__atomic_exchange_n (mem, newval, model)
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# define __arch_exchange_64_int(mem, newval, model) \
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__atomic_exchange_n (mem, newval, model)
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# define atomic_exchange_acq(mem, value) \
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__atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_ACQUIRE)
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# define atomic_exchange_rel(mem, value) \
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__atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_RELEASE)
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/* Atomically add value and return the previous (unincremented) value. */
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# define __arch_exchange_and_add_8_int(mem, value, model) \
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__atomic_fetch_add (mem, value, model)
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# define __arch_exchange_and_add_16_int(mem, value, model) \
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__atomic_fetch_add (mem, value, model)
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# define __arch_exchange_and_add_32_int(mem, value, model) \
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__atomic_fetch_add (mem, value, model)
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# define __arch_exchange_and_add_64_int(mem, value, model) \
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__atomic_fetch_add (mem, value, model)
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# define atomic_exchange_and_add_acq(mem, value) \
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__atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \
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__ATOMIC_ACQUIRE)
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# define atomic_exchange_and_add_rel(mem, value) \
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__atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \
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__ATOMIC_RELEASE)
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/* Barrier macro. */
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/* Barrier macro. */
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#define atomic_full_barrier() __sync_synchronize()
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#define atomic_full_barrier() __sync_synchronize()
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