1 /*===---- popcntintrin.h - POPCNT intrinsics -------------------------------===
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21 *===-----------------------------------------------------------------------===
25 #error "POPCNT instruction set not enabled"
28 #ifndef _POPCNTINTRIN_H
29 #define _POPCNTINTRIN_H
31 /* Define the default attributes for the functions in this file. */
32 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
34 static __inline__ int __DEFAULT_FN_ATTRS
35 _mm_popcnt_u32(unsigned int __A)
37 return __builtin_popcount(__A);
41 static __inline__ long long __DEFAULT_FN_ATTRS
42 _mm_popcnt_u64(unsigned long long __A)
44 return __builtin_popcountll(__A);
46 #endif /* __x86_64__ */
48 #undef __DEFAULT_FN_ATTRS
50 #endif /* _POPCNTINTRIN_H */