/* * 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 */