clz.h revision a67932fe6864ac346e7f78b86df11cf6c5344137 
1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_SURFACE_FLINGER_CLZ_H
18
19#include <stdint.h>
20
21namespace android {
22
23int inline clz(int32_t x) {
24    return __builtin_clz(x);
25}
26
27}; // namespace android
28
29#endif /* ANDROID_SURFACE_FLINGER_CLZ_H */
30