Question

B2. Translate the following MIPS assembly instruction into machine language: lw $t8, 100($s0) B3 Write MIPS assembly code segment for the following C code snippet: for (i - O i < 10i i++) i array[i+l] - array [i8; Register assignment: i-> Şa0 Base of array -> $s0

Answer 1

B3.

.file   1 ""
        .section .mdebug.abi32
        .previous
        .nan    legacy
        .module fp=32
        .module nooddspreg
        .abicalls
        .text
        .align  2
        .globl  main
        .set    nomips16
        .set    nomicromips
        .ent    main
        .type   main, @function
main:
        .frame  $fp,424,$31             # vars= 408, regs= 1/0, args= 0, gp= 8
        .mask   0x40000000,-4
        .fmask  0x00000000,0
        .set    noreorder
        .set    nomacro
        addiu   $sp,$sp,-424
        sw      $fp,420($sp)
        move    $fp,$sp
        sw      $0,8($fp)
        b       $L2
        movz    $31,$31,$0
        nop

$L4:
        lw      $2,8($fp)
        nop
        addiu   $3,$2,1
        lw      $2,44($fp)
        nop
        bgez    $2,$L3
        nop

        addiu   $2,$2,7
$L3:
        sra     $2,$2,3
        move    $4,$2
        sll     $2,$3,2
        addiu   $3,$fp,8
        addu    $2,$3,$2
        sw      $4,4($2)
        lw      $2,8($fp)
        nop
        addiu   $2,$2,1
        sw      $2,8($fp)
$L2:
        lw      $2,8($fp)
        nop
        slt     $2,$2,10
        bne     $2,$0,$L4
        nop

        move    $2,$0
        move    $sp,$fp
        lw      $fp,420($sp)
        addiu   $sp,$sp,424
        j       $31
        nop

        .set    macro
        .set    reorder
        .end    main
        .size   main, .-main
        .ident  "GCC: (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609"

B2. 8e180064