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Lines 4-23
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#include <popcntintrin.h> |
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#include <popcntintrin.h> |
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#endif |
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#endif |
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int main(void) |
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int main(int argc, char **argv) |
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{ |
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{ |
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long long a = 0; |
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// To make sure popcnt instructions are generated |
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int b; |
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// and been tested against the assembler |
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#ifdef _MSC_VER |
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unsigned long long a = *((unsigned long long*)argv[argc-1]); |
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#ifdef _M_X64 |
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unsigned int b = *((unsigned int*)argv[argc-2]); |
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a = _mm_popcnt_u64(1); |
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#endif |
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#if defined(_M_X64) || defined(__x86_64__) |
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b = _mm_popcnt_u32(1); |
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a = _mm_popcnt_u64(a); |
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#else |
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#ifdef __x86_64__ |
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a = __builtin_popcountll(1); |
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#endif |
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b = __builtin_popcount(1); |
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#endif |
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#endif |
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b = _mm_popcnt_u32(b); |
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return (int)a + b; |
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return (int)a + b; |
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} |
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} |
