Question

In MIPS assembly language, write a function that will display the max and min value in an array. Then write a function to calculate and display the average of all values in an array. This must be done in MIPS assembly language.

Answer 1

MIPS Program:

$LC0:

        .ascii  "Maximum Element:%d\000"

$LC1:

        .ascii  "Minimum Element:%d\000"

display_max_and_min:

        addiu   $sp,$sp,-48

        sw      $31,44($sp)

        sw      $fp,40($sp)

        move    $fp,$sp

        sw      $4,48($fp)

        sw      $5,52($fp)

        li      $2,-2147483648                  # 0xffffffff80000000

        sw      $2,24($fp)

        li      $2,2147418112                 # 0x7fff0000

        ori     $2,$2,0xffff

        sw      $2,28($fp)

        sw      $0,32($fp)

        b       $L2

        nop

$L5:

        lw      $2,32($fp)

        nop

        sll     $2,$2,2

        lw      $3,48($fp)

        nop

        addu    $2,$3,$2

        lw      $3,0($2)

        lw      $2,24($fp)

        nop

        slt     $2,$3,$2

        beq     $2,$0,$L3

        nop

        lw      $2,32($fp)

        nop

        sll     $2,$2,2

        lw      $3,48($fp)

        nop

        addu    $2,$3,$2

        lw      $2,0($2)

        nop

        sw      $2,24($fp)

$L3:

        lw      $2,32($fp)

        nop

        sll     $2,$2,2

        lw      $3,48($fp)

        nop

        addu    $2,$3,$2

        lw      $3,0($2)

        lw      $2,28($fp)

        nop

        slt     $2,$2,$3

        beq     $2,$0,$L4

        nop

        lw      $2,32($fp)

        nop

        sll     $2,$2,2

        lw      $3,48($fp)

        nop

        addu    $2,$3,$2

        lw      $2,0($2)

        nop

        sw      $2,28($fp)

$L4:

        lw      $2,32($fp)

        nop

        addiu   $2,$2,1

        sw      $2,32($fp)

$L2:

        lw      $3,32($fp)

        lw      $2,52($fp)

        nop

        slt     $2,$3,$2

        bne     $2,$0,$L5

        nop

        lw      $5,28($fp)

        lui     $2,%hi($LC0)

        addiu   $4,$2,%lo($LC0)

        jal     printf

        nop

        lw      $5,24($fp)

        lui     $2,%hi($LC1)

        addiu   $4,$2,%lo($LC1)

        jal     printf

        nop

        nop

        move    $sp,$fp

        lw      $31,44($sp)

        lw      $fp,40($sp)

        addiu   $sp,$sp,48

        j       $31

        nop

$LC2:

        .ascii  "Average:%f\000"

display_Average:

        addiu   $sp,$sp,-48

        sw      $31,44($sp)

        sw      $fp,40($sp)

        move    $fp,$sp

        sw      $4,48($fp)

        sw      $5,52($fp)

        sw      $0,28($fp)

        sw      $0,24($fp)

        b       $L7

        nop

$L8:

        lw      $2,24($fp)

        nop

        sll     $2,$2,2

        lw      $3,48($fp)

        nop

        addu    $2,$3,$2

        lw      $2,0($2)

        lw      $3,28($fp)

        nop

        addu    $2,$3,$2

        sw      $2,28($fp)

        lw      $2,24($fp)

        nop

        addiu   $2,$2,1

        sw      $2,24($fp)

$L7:

        lw      $3,24($fp)

        lw      $2,52($fp)

        nop

        slt     $2,$3,$2

        bne     $2,$0,$L8

        nop

        lw      $3,28($fp)

        lw      $2,52($fp)

        nop

        bne     $2,$0,1f

        div     $0,$3,$2

        break   7

        mfhi    $2

        mflo    $2

        mtc1    $2,$f0

        nop

        cvt.s.w $f0,$f0

        swc1    $f0,32($fp)

        lwc1    $f0,32($fp)

        nop

        cvt.d.s $f0,$f0

        mfc1    $7,$f0

        mfc1    $6,$f1

        lui     $2,%hi($LC2)

        addiu   $4,$2,%lo($LC2)

        jal     printf

        nop

        nop

        move    $sp,$fp

        lw      $31,44($sp)

        lw      $fp,40($sp)

        addiu   $sp,$sp,48

        j       $31

        nop

Program Screenshot:

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