lab-04-Rushilwiz/bit_utils.c

// Do not edit this file

#include "bit_utils.h"

unsigned int mask(unsigned int num, unsigned int bits) {
    return num & bits;
}

unsigned int set(unsigned int num, unsigned int bits) {
    return num | bits;
}

unsigned int inverse(unsigned int num, unsigned int bits) {
    return num ^ bits;
}

unsigned int bit_select(unsigned int num,
                        unsigned int startbit,
                        unsigned int endbit) {
    startbit++;
    num <<= (SIZE - startbit);
    num >>= (SIZE - startbit + endbit);
    return num;
}

unsigned int barrel_shift(unsigned int num, unsigned int shamt) {
    unsigned int right_bits = num << (sizeof(unsigned int) * 8 - shamt);
    return (num >> shamt) | right_bits;
}