38 lines
938 B
C++
38 lines
938 B
C++
/*
|
|
* Copyright (C) 2007 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 ANDROID_SURFACE_FLINGER_CLZ_H
|
|
|
|
#include <stdint.h>
|
|
|
|
namespace android {
|
|
|
|
int clz_impl(int32_t x);
|
|
|
|
int inline clz(int32_t x)
|
|
{
|
|
#if defined(__arm__) && !defined(__thumb__)
|
|
return __builtin_clz(x);
|
|
#else
|
|
return clz_impl(x);
|
|
#endif
|
|
}
|
|
|
|
|
|
}; // namespace android
|
|
|
|
#endif /* ANDROID_SURFACE_FLINGER_CLZ_H */
|