diff --git a/compiler/utils/atomic_dex_ref_map-inl.h b/compiler/utils/atomic_dex_ref_map-inl.h
new file mode 100644
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+++ b/compiler/utils/atomic_dex_ref_map-inl.h
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+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_COMPILER_UTILS_ATOMIC_DEX_REF_MAP_INL_H_
+#define ART_COMPILER_UTILS_ATOMIC_DEX_REF_MAP_INL_H_
+
+#include "atomic_dex_ref_map.h"
+
+#include "dex_file-inl.h"
+
+namespace art {
+
+template <typename T>
+inline typename AtomicDexRefMap<T>::InsertResult AtomicDexRefMap<T>::Insert(
+    DexFileReference ref,
+    const T& expected,
+    const T& desired) {
+  ElementArray* const array = GetArray(ref.dex_file);
+  if (array == nullptr) {
+    return kInsertResultInvalidDexFile;
+  }
+  DCHECK_LT(ref.index, array->size());
+  return (*array)[ref.index].CompareExchangeStrongSequentiallyConsistent(expected, desired)
+      ? kInsertResultSuccess
+      : kInsertResultCASFailure;
+}
+
+template <typename T>
+inline bool AtomicDexRefMap<T>::Get(DexFileReference ref, T* out) const {
+  const ElementArray* const array = GetArray(ref.dex_file);
+  if (array == nullptr) {
+    return false;
+  }
+  *out = (*array)[ref.index].LoadRelaxed();
+  return true;
+}
+
+template <typename T>
+inline void AtomicDexRefMap<T>::AddDexFile(const DexFile* dex_file, size_t max_index) {
+  arrays_.Put(dex_file, std::move(ElementArray(max_index)));
+}
+
+template <typename T>
+inline typename AtomicDexRefMap<T>::ElementArray* AtomicDexRefMap<T>::GetArray(
+    const DexFile* dex_file) {
+  auto it = arrays_.find(dex_file);
+  return (it != arrays_.end()) ? &it->second : nullptr;
+}
+
+template <typename T>
+inline const typename AtomicDexRefMap<T>::ElementArray* AtomicDexRefMap<T>::GetArray(
+    const DexFile* dex_file) const {
+  auto it = arrays_.find(dex_file);
+  return (it != arrays_.end()) ? &it->second : nullptr;
+}
+
+template <typename T> template <typename Visitor>
+inline void AtomicDexRefMap<T>::Visit(const Visitor& visitor) {
+  for (auto& pair : arrays_) {
+    const DexFile* dex_file = pair.first;
+    const ElementArray& elements = pair.second;
+    for (size_t i = 0; i < elements.size(); ++i) {
+      visitor(DexFileReference(dex_file, i), elements[i].LoadRelaxed());
+    }
+  }
+}
+
+template <typename T>
+inline void AtomicDexRefMap<T>::ClearEntries() {
+  for (auto& it : arrays_) {
+    for (auto& element : it.second) {
+      element.StoreRelaxed(nullptr);
+    }
+  }
+}
+
+}  // namespace art
+
+#endif  // ART_COMPILER_UTILS_ATOMIC_DEX_REF_MAP_INL_H_