Merge "cutils: add popcount/popcountl/popcountll static inline definitions"

/*

 * 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 */