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src/os_cpu/linux_aarch64/vm/atomic_linux_aarch64.inline.hpp

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rev 11200 : 8155949: Support relaxed semantics in cmpxchg
Reviewed-by:
Contributed-by: HORII@jp.ibm.com, mdoerr

@@ -86,11 +86,11 @@
   return (void *) xchg_ptr((intptr_t) exchange_value,
                            (volatile intptr_t*) dest);
 }
 
 
-inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value)
+inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order)
 {
  return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
 }
 
 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }

@@ -121,25 +121,25 @@
   intptr_t res = __sync_lock_test_and_set (dest, exchange_value);
   FULL_MEM_BARRIER;
   return res;
 }
 
-inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value)
+inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order)
 {
  return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
 }
 
-inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value)
+inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order)
 {
  return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
 }
 
-inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value)
+inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order)
 {
   return (void *) cmpxchg_ptr((intptr_t) exchange_value,
                               (volatile intptr_t*) dest,
-                              (intptr_t) compare_value);
+                              (intptr_t) compare_value, order);
 }
 
 inline jlong Atomic::load(volatile jlong* src) { return *src; }
 
 #endif // OS_CPU_LINUX_AARCH64_VM_ATOMIC_LINUX_AARCH64_INLINE_HPP
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