src/os_cpu/linux_aarch64/vm/atomic_linux_aarch64.hpp

rev 13266 : imported patch Atomic_refactoring
rev 13267 : [mq]: Atomic_polishing

@@ -32,59 +32,35 @@
 
 #define FULL_MEM_BARRIER  __sync_synchronize()
 #define READ_MEM_BARRIER  __atomic_thread_fence(__ATOMIC_ACQUIRE);
 #define WRITE_MEM_BARRIER __atomic_thread_fence(__ATOMIC_RELEASE);
 
-inline void Atomic::store    (jbyte    store_value, jbyte*    dest) { *dest = store_value; }
-inline void Atomic::store    (jshort   store_value, jshort*   dest) { *dest = store_value; }
-inline void Atomic::store    (jint     store_value, jint*     dest) { *dest = store_value; }
-inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
-inline void Atomic::store_ptr(void*    store_value, void*     dest) { *(void**)dest = store_value; }
-
-inline void Atomic::store    (jbyte    store_value, volatile jbyte*    dest) { *dest = store_value; }
-inline void Atomic::store    (jshort   store_value, volatile jshort*   dest) { *dest = store_value; }
-inline void Atomic::store    (jint     store_value, volatile jint*     dest) { *dest = store_value; }
-inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
-inline void Atomic::store_ptr(void*    store_value, volatile void*     dest) { *(void* volatile *)dest = store_value; }
 
-
-inline jint Atomic::add(jint add_value, volatile jint* dest)
-{
+template <>
+inline int32_t Atomic::specialized_add<int32_t>(int32_t add_value, volatile int32_t* dest) {
  return __sync_add_and_fetch(dest, add_value);
 }
 
-inline void Atomic::inc(volatile jint* dest)
-{
- add(1, dest);
-}
 
-inline void Atomic::inc_ptr(volatile void* dest)
-{
- add_ptr(1, dest);
-}
-
-inline void Atomic::dec (volatile jint* dest)
-{
- add(-1, dest);
+template <>
+inline int64_t Atomic::specialized_add<int64_t>(int64_t add_value, volatile int64_t* dest) {
+ return __sync_add_and_fetch(dest, add_value);
 }
 
-inline void Atomic::dec_ptr(volatile void* dest)
-{
- add_ptr(-1, dest);
-}
 
-inline jint Atomic::xchg (jint exchange_value, volatile jint* dest)
-{
-  jint res = __sync_lock_test_and_set (dest, exchange_value);
+template <>
+inline int32_t Atomic::specialized_xchg<int32_t>(int32_t exchange_value, volatile int32_t* dest) {
+  int32_t res = __sync_lock_test_and_set (dest, exchange_value);
   FULL_MEM_BARRIER;
   return res;
 }
 
-inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest)
-{
-  return (void *) xchg_ptr((intptr_t) exchange_value,
-                           (volatile intptr_t*) dest);
+template <>
+inline int64_t Atomic::specialized_xchg<int64_t>(int64_t exchange_value, volatile int64_t* dest) {
+  int64_t res = __sync_lock_test_and_set (dest, exchange_value);
+  FULL_MEM_BARRIER;
+  return res;
 }
 
 template <typename T> T generic_cmpxchg(T exchange_value, volatile T* dest,
                                         T compare_value, cmpxchg_memory_order order)
 {

@@ -97,66 +73,23 @@
     return __sync_val_compare_and_swap(dest, compare_value, exchange_value);
   }
 }
 
 #define VM_HAS_SPECIALIZED_CMPXCHG_BYTE
-inline jbyte Atomic::cmpxchg (jbyte exchange_value, volatile jbyte* dest, jbyte compare_value, cmpxchg_memory_order order)
-{
+template <>
+inline int8_t Atomic::specialized_cmpxchg<int8_t>(int8_t exchange_value, volatile int8_t* dest, int8_t compare_value, cmpxchg_memory_order order) {
   return generic_cmpxchg(exchange_value, dest, compare_value, order);
 }
 
-inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order)
-{
+template <>
+inline int32_t Atomic::specialized_cmpxchg<int32_t>(int32_t exchange_value, volatile int32_t* dest, int32_t compare_value, cmpxchg_memory_order order) {
   return generic_cmpxchg(exchange_value, dest, compare_value, order);
 }
 
-inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
-inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
 
-inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest)
-{
- return __sync_add_and_fetch(dest, add_value);
-}
-
-inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest)
-{
-  return (void *) add_ptr(add_value, (volatile intptr_t *) dest);
-}
-
-inline void Atomic::inc_ptr(volatile intptr_t* dest)
-{
- add_ptr(1, dest);
-}
-
-inline void Atomic::dec_ptr(volatile intptr_t* dest)
-{
- add_ptr(-1, dest);
-}
-
-inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest)
-{
-  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, cmpxchg_memory_order order)
-{
-  return generic_cmpxchg(exchange_value, dest, compare_value, order);
-}
-
-inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order)
-{
+template <>
+inline int64_t Atomic::specialized_cmpxchg<int64_t>(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value, cmpxchg_memory_order order) {
   return generic_cmpxchg(exchange_value, dest, compare_value, order);
 }
 
-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,
-                              order);
-}
-
-inline jlong Atomic::load(const volatile jlong* src) { return *src; }
 
 #endif // OS_CPU_LINUX_AARCH64_VM_ATOMIC_LINUX_AARCH64_HPP