42 lines
1016 B
C
42 lines
1016 B
C
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/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __CUTILS_BITOPS_H
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#define __CUTILS_BITOPS_H
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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static inline int popcount(unsigned int x)
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{
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return __builtin_popcount(x);
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}
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static inline int popcountl(unsigned long x)
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{
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return __builtin_popcountl(x);
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}
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static inline int popcountll(unsigned long long x)
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{
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return __builtin_popcountll(x);
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}
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__END_DECLS
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#endif /* __CUTILS_BITOPS_H */
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