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arc: 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:
Adhemerval Zanella 2025-09-11 10:49:28 -03:00
parent b299332fb4
commit eeeb882c97
1 changed files with 0 additions and 27 deletions
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27
sysdeps/arc/atomic-machine.h
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@ -20,38 +20,11 @@
#define _ARC_BITS_ATOMIC_H 1
#define __HAVE_64B_ATOMICS 0
#define USE_ATOMIC_COMPILER_BUILTINS 1
/* ARC does have legacy atomic EX reg, [mem] instruction but the micro-arch
is not as optimal as LLOCK/SCOND specially for SMP. */
#define ATOMIC_EXCHANGE_USES_CAS 1
#define __arch_compare_and_exchange_bool_8_acq(mem, newval, oldval) \
(abort (), 0)
#define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \
(abort (), 0)
#define __arch_compare_and_exchange_bool_64_acq(mem, newval, oldval) \
(abort (), 0)
#define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \
(abort (), (__typeof (*mem)) 0)
#define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \
(abort (), (__typeof (*mem)) 0)
#define __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \
(abort (), (__typeof (*mem)) 0)
#define __arch_compare_and_exchange_val_32_int(mem, newval, oldval, model) \
({ \
typeof (*mem) __oldval = (oldval); \
__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
model, __ATOMIC_RELAXED); \
__oldval; \
})
#define atomic_compare_and_exchange_val_acq(mem, new, old) \
__atomic_val_bysize (__arch_compare_and_exchange_val, int, \
mem, new, old, __ATOMIC_ACQUIRE)
#define atomic_full_barrier() ({ asm volatile ("dmb 3":::"memory"); })
#endif /* _ARC_BITS_ATOMIC_H */