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/*
* Copyright (C) 2011 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 __CUTILS_BITOPS_H
#define __CUTILS_BITOPS_H
#include <sys/cdefs.h>
__BEGIN_DECLS
static inline int popcount(unsigned int x)
{
return __builtin_popcount(x);
}
static inline int popcountl(unsigned long x)
{
return __builtin_popcountl(x);
}
static inline int popcountll(unsigned long long x)
{
return __builtin_popcountll(x);
}
__END_DECLS
#endif /* __CUTILS_BITOPS_H */