The Program Counter

addi $1, $0, 43

addi $2, $0, 2

addi $3, $0, 0

PC

0x10000

0x10004

0x10008

0x1000c

bne $1, $2, 4

x = 43; // addi $1, $0, 43

y = 2; // addi $2, $0, 2

if (x == y)

same = 1; // addi $3, $0, $1 execute if x == y

0x10000

0x10004

0x10008

0x1000c

0x10010

Understand branches

addi $3, $0, 1

0x10010

Previous slide

Next slide

Back to first slide

View graphic version