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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 COCOS_CUTILS_BITOPS_H
- #define COCOS_CUTILS_BITOPS_H
- #include <stdbool.h>
- #include <string.h>
- #include <strings.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 /* COCOS_CUTILS_BITOPS_H */
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