168 return cmpxchg_using_helper<int>(arm_compare_and_swap, exchange_value, dest, compare_value);
169 #else
170 return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
171 #endif // ARM
172 }
173
174 template<>
175 template<typename T>
176 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
177 T volatile* dest,
178 T compare_value,
179 cmpxchg_memory_order order) const {
180 STATIC_ASSERT(8 == sizeof(T));
181 return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
182 }
183
184 template<>
185 template<typename T>
186 inline T Atomic::PlatformLoad<8>::operator()(T const volatile* src) const {
187 STATIC_ASSERT(8 == sizeof(T));
188 volatile jlong dest;
189 os::atomic_copy64(reinterpret_cast<const volatile jlong*>(src), reinterpret_cast<volatile jlong*>(&dest));
190 return PrimitiveConversions::cast<T>(dest);
191 }
192
193 template<>
194 template<typename T>
195 inline void Atomic::PlatformStore<8>::operator()(T store_value,
196 T volatile* dest) const {
197 STATIC_ASSERT(8 == sizeof(T));
198 os::atomic_copy64(reinterpret_cast<const volatile jlong*>(&store_value), reinterpret_cast<volatile jlong*>(dest));
199 }
200
201 #endif // OS_CPU_LINUX_ZERO_VM_ATOMIC_LINUX_ZERO_HPP
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168 return cmpxchg_using_helper<int>(arm_compare_and_swap, exchange_value, dest, compare_value);
169 #else
170 return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
171 #endif // ARM
172 }
173
174 template<>
175 template<typename T>
176 inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
177 T volatile* dest,
178 T compare_value,
179 cmpxchg_memory_order order) const {
180 STATIC_ASSERT(8 == sizeof(T));
181 return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
182 }
183
184 template<>
185 template<typename T>
186 inline T Atomic::PlatformLoad<8>::operator()(T const volatile* src) const {
187 STATIC_ASSERT(8 == sizeof(T));
188 volatile int64_t dest;
189 os::atomic_copy64(reinterpret_cast<const volatile int64_t*>(src), reinterpret_cast<volatile int64_t*>(&dest));
190 return PrimitiveConversions::cast<T>(dest);
191 }
192
193 template<>
194 template<typename T>
195 inline void Atomic::PlatformStore<8>::operator()(T store_value,
196 T volatile* dest) const {
197 STATIC_ASSERT(8 == sizeof(T));
198 os::atomic_copy64(reinterpret_cast<const volatile int64_t*>(&store_value), reinterpret_cast<volatile int64_t*>(dest));
199 }
200
201 #endif // OS_CPU_LINUX_ZERO_VM_ATOMIC_LINUX_ZERO_HPP
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