[atomics.order]
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@114966 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/atomic b/include/atomic
index b36aee2..9708977 100644
--- a/include/atomic
+++ b/include/atomic
@@ -21,8 +21,12 @@
typedef enum memory_order
{
- memory_order_relaxed, memory_order_consume, memory_order_acquire,
- memory_order_release, memory_order_acq_rel, memory_order_seq_cst
+ memory_order_relaxed,
+ memory_order_consume, // load-consume
+ memory_order_acquire, // load-acquire
+ memory_order_release, // store-release
+ memory_order_acq_rel, // store-release load-acquire
+ memory_order_seq_cst // store-release load-acquire
} memory_order;
template <class T> T kill_dependency(T y);
@@ -2412,6 +2416,19 @@
_LIBCPP_BEGIN_NAMESPACE_STD
+typedef enum memory_order
+{
+ memory_order_relaxed, memory_order_consume, memory_order_acquire,
+ memory_order_release, memory_order_acq_rel, memory_order_seq_cst
+} memory_order;
+
+template <class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+_Tp
+kill_dependency(_Tp __y)
+{
+ return __y;
+}
_LIBCPP_END_NAMESPACE_STD