third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/stubs/atomicops_internals_generic_gcc.h

 // Copyright 2013 Red Hat Inc.  All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
@@ skipping 20 matching lines @@
 #ifndef GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_
 #define GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_
 
 namespace google {
 namespace protobuf {
 namespace internal {
 
 inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
                                          Atomic32 old_value,
                                          Atomic32 new_value) {
-  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
                               __ATOMIC_RELAXED, __ATOMIC_RELAXED);
   return old_value;
 }
 
 inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
                                          Atomic32 new_value) {
   return __atomic_exchange_n(ptr, new_value, __ATOMIC_RELAXED);
 }
 
 inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
                                           Atomic32 increment) {
   return __atomic_add_fetch(ptr, increment, __ATOMIC_RELAXED);
 }
 
 inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
                                         Atomic32 increment) {
   return __atomic_add_fetch(ptr, increment, __ATOMIC_SEQ_CST);
 }
 
 inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
                                        Atomic32 old_value,
                                        Atomic32 new_value) {
-  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
                               __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
   return old_value;
 }
 
 inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
                                        Atomic32 old_value,
                                        Atomic32 new_value) {
-  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
                               __ATOMIC_RELEASE, __ATOMIC_ACQUIRE);
   return old_value;
 }
 
 inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
   __atomic_store_n(ptr, value, __ATOMIC_RELAXED);
 }
 
-inline void MemoryBarrier() {
+inline void MemoryBarrierInternal() {
   __sync_synchronize();
 }
 
 inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
   __atomic_store_n(ptr, value, __ATOMIC_SEQ_CST);
 }
 
 inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
   __atomic_store_n(ptr, value, __ATOMIC_RELEASE);
 }
@@ skipping 16 matching lines @@
   __atomic_store_n(ptr, value, __ATOMIC_RELEASE);
 }
 
 inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
   return __atomic_load_n(ptr, __ATOMIC_ACQUIRE);
 }
 
 inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
                                        Atomic64 old_value,
                                        Atomic64 new_value) {
-  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
                               __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE);
   return old_value;
 }
 
 inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
                                          Atomic64 old_value,
                                          Atomic64 new_value) {
-  __atomic_compare_exchange_n(ptr, &old_value, new_value, true,
+  __atomic_compare_exchange_n(ptr, &old_value, new_value, false,
                               __ATOMIC_RELAXED, __ATOMIC_RELAXED);
   return old_value;
 }
 
+inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
+                                          Atomic64 increment) {
+  return __atomic_add_fetch(ptr, increment, __ATOMIC_RELAXED);
+}
+
+inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
+  __atomic_store_n(ptr, value, __ATOMIC_RELAXED);
+}
+
+inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
+                                         Atomic64 new_value) {
+  return __atomic_exchange_n(ptr, new_value, __ATOMIC_RELAXED);
+}
+
+inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
+  return __atomic_load_n(ptr, __ATOMIC_RELAXED);
+}
+
 #endif // defined(__LP64__)
 
 }  // namespace internal
 }  // namespace protobuf
 }  // namespace google
 
 #endif  // GOOGLE_PROTOBUF_ATOMICOPS_INTERNALS_GENERIC_GCC_H_