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25 lines
511 B
C++
25 lines
511 B
C++
#ifdef _MSC_VER
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# include <nmmintrin.h>
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# if defined(_M_X64)
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# define CV_POPCNT_U64 _mm_popcnt_u64
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# endif
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# define CV_POPCNT_U32 _mm_popcnt_u32
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#elif defined(__POPCNT__)
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# include <popcntintrin.h>
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# if defined(__x86_64__)
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# define CV_POPCNT_U64 __builtin_popcountll
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# endif
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# define CV_POPCNT_U32 __builtin_popcount
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#else
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# error "__POPCNT__ is not defined by compiler"
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#endif
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int main()
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{
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#ifdef CV_POPCNT_U64
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int i = CV_POPCNT_U64(1);
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#endif
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int j = CV_POPCNT_U32(1);
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return 0;
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}
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