You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.2 KiB
48 lines
1.2 KiB
/*
|
|
* 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>
|
|
|
|
#if CC_PLATFORM == CC_PLATFORM_ANDROID
|
|
#include <sys/cdefs.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
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);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* COCOS_CUTILS_BITOPS_H */
|
|
|