Explanation of Solution
MIPS instruction:
The corresponding MIPS instruction for the given C code is as follows:
#set i = 0
add $t0, $0, $0
#check i < a
Loop1: slt $t2, $t0, $s0
#if "$t2=0" go to "Exit"
beq $t2, $0, Exit
#set j = 0
add $t1, $0, $0
#check j < b
Loop2: slt $t2, $t1, $s1
#if "$t2=0" go to "Loop3"
beq $t2, $0, Loop3
#add the variable "i" and "j"
add $t2, $t0, $t1
#multiply the "j" with 4
sll $t4, $t1, 4
#storing the "&D[4 * j]" to the "$t3"
add $t3, $t4, $s2
#store the addition of "i" and "j" to the "D[4 * j] "
sw $t2, 0($t3)
#add "1" to the variable "j"
addi $t1, $t1, 1
#jump to the loop2
j Loop2
#add "1" to the variable "i"
Loop3: addi $t0, $t0, 1
#jump to the loop1
j Loop1
Exit:
Explanation:
- Initially set the register “$t0” as 0. The “Loop1” will check “i” less than “a”, if the condition is true then it will again check the register “$t2” is equal to 0, here the condition is true it will exit the loop otherwise set the “j” value as 0.
- The “Loop2” will check “j” less than “b”, if the condition is true then it will again check the register “$t2” is equal to 0, here the condition is true it will go to the “Loop3” otherwise add the variables “i” and “j”...
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Computer Organization and Design MIPS Edition, Fifth Edition: The Hardware/Software Interface (The Morgan Kaufmann Series in Computer Architecture and Design)
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