diff --git a/compiler/optimizing/optimizing_unit_test.h b/compiler/optimizing/optimizing_unit_test.h
new file mode 100644
index 0000000..bf13a41
--- /dev/null
+++ b/compiler/optimizing/optimizing_unit_test.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2014 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_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
+#define ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_
+
+#define NUM_INSTRUCTIONS(...)  \
+  (sizeof((uint16_t[]) {__VA_ARGS__}) /sizeof(uint16_t))
+
+#define ZERO_REGISTER_CODE_ITEM(...)                                       \
+    { 0, 0, 0, 0, 0, 0, NUM_INSTRUCTIONS(__VA_ARGS__), 0, __VA_ARGS__ }
+
+#define ONE_REGISTER_CODE_ITEM(...)                                        \
+    { 1, 0, 0, 0, 0, 0, NUM_INSTRUCTIONS(__VA_ARGS__), 0, __VA_ARGS__ }
+
+#endif  // ART_COMPILER_OPTIMIZING_OPTIMIZING_UNIT_TEST_H_