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      1 #ifndef RADV_UTIL_H
      2 #define RADV_UTIL_H
      3 
      4 #ifdef HAVE___BUILTIN_POPCOUNT
      5 #define util_bitcount(i) __builtin_popcount(i)
      6 #else
      7 extern unsigned int
      8 util_bitcount(unsigned int n);
      9 #endif
     10 
     11 #endif /* RADV_UTIL_H */
     12