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

rev 10933 : 8154736: enhancement of cmpxchg and copy_to_survivor for ppc64
Reviewed-by:
Contributed-by: HORII@jp.ibm.com, mdoerr

*** 86,96 ****
    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)
  {
   return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
  }
  
  inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
--- 86,96 ----
    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, 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; }
*** 121,145 ****
    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)
  {
   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)
  {
   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)
  {
    return (void *) cmpxchg_ptr((intptr_t) exchange_value,
                                (volatile intptr_t*) dest,
!                               (intptr_t) compare_value);
  }
  
  inline jlong Atomic::load(volatile jlong* src) { return *src; }
  
  #endif // OS_CPU_LINUX_AARCH64_VM_ATOMIC_LINUX_AARCH64_INLINE_HPP
--- 121,145 ----
    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, 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, 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, memory_order order)
  {
    return (void *) cmpxchg_ptr((intptr_t) exchange_value,
                                (volatile intptr_t*) dest,
!                               (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