Question

Write a MIPS program that will ask the user to enter two floating point numbers at the console and pass the values to a function that does multiplication

Answer 1

multiplicaiton(float, float):

addiu $sp,$sp,-8

sw $fp,4($sp)

move $fp,$sp

swc1 $f12,8($fp)

swc1 $f14,12($fp)

lwc1 $f2,8($fp)

lwc1 $f0,12($fp)

nop

mul.s $f0,$f2,$f0

move $sp,$fp

lw $fp,4($sp)

addiu $sp,$sp,8

j $31

nop

$LC0:

.ascii "Enter the value of X and Y\000"

main:

addiu $sp,$sp,-40

sw $31,36($sp)

sw $fp,32($sp)

move $fp,$sp

lui $2,%hi($LC0)

addiu $5,$2,%lo($LC0)

lui $2,%hi(_ZSt4cout)

addiu $4,$2,%lo(_ZSt4cout)

jal std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)

nop

move $3,$2

lui $2,%hi(_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)

addiu $5,$2,%lo(_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)

move $4,$3

jal std::basic_ostream<char, std::char_traits<char> >::operator<<(std::basic_ostream<char, std::char_traits<char> >& (*)(std::basic_ostream<char, std::char_traits<char> >&))

nop

addiu $2,$fp,24

move $5,$2

lui $2,%hi(_ZSt3cin)

addiu $4,$2,%lo(_ZSt3cin)

jal std::basic_istream<char, std::char_traits<char> >::operator>>(float&)

nop

move $3,$2

addiu $2,$fp,28

move $5,$2

move $4,$3

jal std::basic_istream<char, std::char_traits<char> >::operator>>(float&)

nop

lwc1 $f0,24($fp)

lwc1 $f2,28($fp)

nop

mov.s $f14,$f2

mov.s $f12,$f0

jal multiplicaiton(float, float)

nop

mfc1 $5,$f0

lui $2,%hi(_ZSt4cout)

addiu $4,$2,%lo(_ZSt4cout)

jal std::basic_ostream<char, std::char_traits<char> >::operator<<(float)

nop

move $2,$0

move $sp,$fp

lw $31,36($sp)

lw $fp,32($sp)

addiu $sp,$sp,40

j $31

nop

__static_initialization_and_destruction_0(int, int):

addiu $sp,$sp,-32

sw $31,28($sp)

sw $fp,24($sp)

move $fp,$sp

sw $4,32($fp)

sw $5,36($fp)

lw $3,32($fp)

li $2,1 # 0x1

bne $3,$2,$L7

nop

lw $3,36($fp)

li $2,65535 # 0xffff

bne $3,$2,$L7

nop

lui $2,%hi(_ZStL8__ioinit)

addiu $4,$2,%lo(_ZStL8__ioinit)

jal std::ios_base::Init::Init() [complete object constructor]

nop

lui $2,%hi(__dso_handle)

addiu $6,$2,%lo(__dso_handle)

lui $2,%hi(_ZStL8__ioinit)

addiu $5,$2,%lo(_ZStL8__ioinit)

lui $2,%hi(_ZNSt8ios_base4InitD1Ev)

addiu $4,$2,%lo(_ZNSt8ios_base4InitD1Ev)

jal __cxa_atexit

nop

$L7:

nop

move $sp,$fp

lw $31,28($sp)

lw $fp,24($sp)

addiu $sp,$sp,32

j $31

nop

_GLOBAL__sub_I_multiplicaiton(float, float):

addiu $sp,$sp,-32

sw $31,28($sp)

sw $fp,24($sp)

move $fp,$sp

li $5,65535 # 0xffff

li $4,1 # 0x1

jal __static_initialization_and_destruction_0(int, int)

nop

move $sp,$fp

lw $31,28($sp)

lw $fp,24($sp)

addiu $sp,$sp,32

j $31

nop

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