[PATCH 01/22] aarch64: Remove ununsed atomic macros

Adhemerval Zanella adhemerval.zanella@linaro.org
Thu Sep 11 13:49:27 GMT 2025


These are already provided by the generic include/atomic.h.
---
 sysdeps/aarch64/atomic-machine.h | 125 -------------------------------
 1 file changed, 125 deletions(-)

diff --git a/sysdeps/aarch64/atomic-machine.h b/sysdeps/aarch64/atomic-machine.h
index b4e8d8544d..d210c62bff 100644
--- a/sysdeps/aarch64/atomic-machine.h
+++ b/sysdeps/aarch64/atomic-machine.h
@@ -20,133 +20,8 @@
 #define _AARCH64_ATOMIC_MACHINE_H	1
 
 #define __HAVE_64B_ATOMICS 1
-#define USE_ATOMIC_COMPILER_BUILTINS 1
 #define ATOMIC_EXCHANGE_USES_CAS 0
 
-/* Compare and exchange.
-   For all "bool" routines, we return FALSE if exchange successful.  */
-
-# define __arch_compare_and_exchange_bool_8_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				  model, __ATOMIC_RELAXED);		\
-  })
-
-# define __arch_compare_and_exchange_bool_16_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				  model, __ATOMIC_RELAXED);		\
-  })
-
-# define __arch_compare_and_exchange_bool_32_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				  model, __ATOMIC_RELAXED);		\
-  })
-
-#  define __arch_compare_and_exchange_bool_64_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				  model, __ATOMIC_RELAXED);		\
-  })
-
-# define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				 model, __ATOMIC_RELAXED);		\
-    __oldval;								\
-  })
-
-# define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				 model, __ATOMIC_RELAXED);		\
-    __oldval;								\
-  })
-
-# 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 __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \
-  ({									\
-    typeof (*mem) __oldval = (oldval);					\
-    __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0,	\
-				 model, __ATOMIC_RELAXED);		\
-    __oldval;								\
-  })
-
-
-/* Compare and exchange with "acquire" semantics, ie barrier after.  */
-
-# define atomic_compare_and_exchange_bool_acq(mem, new, old)	\
-  __atomic_bool_bysize (__arch_compare_and_exchange_bool, int,	\
-			mem, new, old, __ATOMIC_ACQUIRE)
-
-# define atomic_compare_and_exchange_val_acq(mem, new, old)	\
-  __atomic_val_bysize (__arch_compare_and_exchange_val, int,	\
-		       mem, new, old, __ATOMIC_ACQUIRE)
-
-/* Compare and exchange with "release" semantics, ie barrier before.  */
-
-# define atomic_compare_and_exchange_val_rel(mem, new, old)	 \
-  __atomic_val_bysize (__arch_compare_and_exchange_val, int,    \
-                       mem, new, old, __ATOMIC_RELEASE)
-
-
-/* Atomic exchange (without compare).  */
-
-# define __arch_exchange_8_int(mem, newval, model)	\
-  __atomic_exchange_n (mem, newval, model)
-
-# define __arch_exchange_16_int(mem, newval, model)	\
-  __atomic_exchange_n (mem, newval, model)
-
-# define __arch_exchange_32_int(mem, newval, model)	\
-  __atomic_exchange_n (mem, newval, model)
-
-#  define __arch_exchange_64_int(mem, newval, model)	\
-  __atomic_exchange_n (mem, newval, model)
-
-# define atomic_exchange_acq(mem, value)				\
-  __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_ACQUIRE)
-
-# define atomic_exchange_rel(mem, value)				\
-  __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_RELEASE)
-
-
-/* Atomically add value and return the previous (unincremented) value.  */
-
-# define __arch_exchange_and_add_8_int(mem, value, model)	\
-  __atomic_fetch_add (mem, value, model)
-
-# define __arch_exchange_and_add_16_int(mem, value, model)	\
-  __atomic_fetch_add (mem, value, model)
-
-# define __arch_exchange_and_add_32_int(mem, value, model)	\
-  __atomic_fetch_add (mem, value, model)
-
-#  define __arch_exchange_and_add_64_int(mem, value, model)	\
-  __atomic_fetch_add (mem, value, model)
-
-# define atomic_exchange_and_add_acq(mem, value)			\
-  __atomic_val_bysize (__arch_exchange_and_add, int, mem, value,	\
-		       __ATOMIC_ACQUIRE)
-
-# define atomic_exchange_and_add_rel(mem, value)			\
-  __atomic_val_bysize (__arch_exchange_and_add, int, mem, value,	\
-		       __ATOMIC_RELEASE)
-
 /* Barrier macro. */
 #define atomic_full_barrier() __sync_synchronize()
 
-- 
2.43.0



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