Compress Interleaved Bits Reverse Bit Spreading

#include <stdio.h>
#include <stdint.h>

uint8_t compress_bits(uint16_t val) {
    int i = 0; 
    uint8_t temp = 0;
    uint8_t result = 0;
    while(i<8){
        temp = ((val>>(2*i)) & 3);
        result |= (temp << i);
i++;
    }

    return result;
}

int main() {
    uint16_t val;
    scanf("%hu", &val);

    uint8_t result = compress_bits(val);
    printf("%u", result);
    return 0;
}