Outline Arithmetic operations overflow Unsigned addition, multiplication Signed addition, negation, multiplication Using Shift to perform power-of-2 multiply/divide Suggested read 1g Chap 2.3 Negation:取反2 Outline • Arithmetic Operations – overflow – Unsigned addition, multiplication – Signed addition, negation, multiplication – Using Shift to perform power-of-2 multiply/divide • Suggested reading – Chap 2.3 Negation：取反