Count Set Bits in an 8-bit Register

#include <stdio.h>
#include <stdint.h>
uint8_t count_set_bits(uint8_t reg)
 {
   uint8_t count=0;
   for(int i=0;i<8;i++)
   {
   // if(((reg>>i) & (1U))==1)//
   if((reg & (1u<<i))!=0)
    {
     count++;
    }
    else
    {
        ;
    }
   }       return count;
}
int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    printf("%u", count_set_bits(reg));
    return 0;
}