mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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.
24 lines
511 B
24 lines
511 B
#ifdef _MSC_VER |
|
# include <nmmintrin.h> |
|
# if defined(_M_X64) |
|
# define CV_POPCNT_U64 _mm_popcnt_u64 |
|
# endif |
|
# define CV_POPCNT_U32 _mm_popcnt_u32 |
|
#elif defined(__POPCNT__) |
|
# include <popcntintrin.h> |
|
# if defined(__x86_64__) |
|
# define CV_POPCNT_U64 __builtin_popcountll |
|
# endif |
|
# define CV_POPCNT_U32 __builtin_popcount |
|
#else |
|
# error "__POPCNT__ is not defined by compiler" |
|
#endif |
|
|
|
int main() |
|
{ |
|
#ifdef CV_POPCNT_U64 |
|
int i = CV_POPCNT_U64(1); |
|
#endif |
|
int j = CV_POPCNT_U32(1); |
|
return 0; |
|
}
|
|
|