Name: Box: Date:
HW9

You are writing a MIPS assembly program. Your program has a
beq
instructions at line0x0100 0400
. You wish thisbeq
to branch to location0x0200 0000
. (3 points) How close can the
beq
get to the goal address? Express your answer as the address nearest to the target address as possible.
 (3 points) What is a possible method to allow longrange conditional branches?
 (3 points) How close can the

You are writing a program for a processor with 8bit instructions. The branch instructions for this processor only allow 3bit branch immediate.
 (3 points) Assuming the immediate is sign extended, what is the branch range of the processor?
 (3 points) What is the problem with such a branch range?

Compute the correct hex value for the branch targets below.
Address Instruction Hex representation 0x00400028
j test
0x08QQQQQQ
0x0040002c
loop: lw $t1, 0($11)
0x8d690000
0x00400030
addi $t3, $t3, 4
0x216bfffc
0x00400034
test: bne $t1, $0, loop
0x1520RRRR
 (3 points) What is the hex value for
QQQQQQ
that represents the jump target? Show your work.
 (3 points) What is the hex value for
RRRR
that represents the branch not equal target? Show your work.
 (3 points) What is the hex value for