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sparc: Remove ununsed atomic macros
These are already provided by the generic include/atomic.h. Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
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@@ -24,34 +24,10 @@
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#else
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# define __HAVE_64B_ATOMICS 0
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#endif
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#define USE_ATOMIC_COMPILER_BUILTINS 1
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/* XXX Is this actually correct? */
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#define ATOMIC_EXCHANGE_USES_CAS __HAVE_64B_ATOMICS
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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_val_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 atomic_compare_and_exchange_val_acq(mem, new, old) \
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({ \
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__typeof ((__typeof (*(mem))) *(mem)) __result; \
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if (sizeof (*mem) == 4 \
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|| (__HAVE_64B_ATOMICS && sizeof (*mem) == 8)) \
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__result = __arch_compare_and_exchange_val_int (mem, new, old, \
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__ATOMIC_ACQUIRE); \
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else \
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abort (); \
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__result; \
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})
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#ifdef __sparc_v9__
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# define atomic_full_barrier() \
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__asm __volatile ("membar #LoadLoad | #LoadStore" \
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