update(ics2017-pa2.2): implement 'cmp I2a'  instruction, pass 'if-else'
update(ics2017-pa2.2): implement 'cmp I2a'  instruction, pass 'if-else'

issue sabertazimi/ics-2017#2

sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab,sabertazimi/hust-lab