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214 lines (157 loc) · 2.79 KB
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# CS 219, MIPS Assignment #5
#####################################################################
# data segment
.data
hdr: .ascii "CS 219 - Assignment #5\n"
.asciiz "Floating Point Calculations.\n\n"
nline: .asciiz "\n"
# -----
# Single precision
fval1: .float 9.75
fval2: .float 5.5
fval3: .float 12.25
fval4: .float 3.6
fans1: .float 0.0
fans2: .float 0.0
fval: .float 0.001
fsum: .float 0.0
fmsg1: .asciiz "\nFloat Answer #1 = "
fmsg2: .asciiz "\nFloat Answer #2 = "
fmsg3: .asciiz "\nFloat Sum = "
# -----
# Double precision
dval1: .double 9.75
dval2: .double 5.5
dval3: .double 12.25
dval4: .double 3.6
dans1: .double 0.0
dans2: .double 0.0
dval: .double 0.001
dsum: .double 0.0
dmsg1: .asciiz "\nDouble Answer #1 = "
dmsg2: .asciiz "\nDouble Answer #2 = "
dmsg3: .asciiz "\nDouble Sum = "
#####################################################################
# text/code segment
.text
.globl main
.ent main
main:
# -----
# Display simple header
li $v0, 4
la $a0, hdr
syscall
# -----
# Calculate float values
# fans1 = fval1 + fval2
# fans2 = fval3 + fval4
# your code goes here...
l.s $f4, fval1
l.s $f6, fval2
add.s $f8, $f4, $f6
s.s $f8, fans1
l.s $f4, fval3
l.s $f6, fval4
add.s $f8, $f4, $f6
s.s $f8, fans2
# -----
# Display results.
li $v0, 4
la $a0, fmsg1
syscall
li $v0, 2
l.s $f12, fans1
syscall
li $v0, 4
la $a0, fmsg2
syscall
li $v0, 2
l.s $f12, fans2
syscall
li $v0, 4
la $a0, nline
syscall
# -----
# Calculate double values
# dans1 = dval1 + dval2
# dans2 = dval3 + dval4
# your code goes here...
l.d $f4, dval1
l.d $f6, dval2
add.d $f8, $f4, $f6
s.d $f8, dans1
l.d $f4, dval3
l.d $f6, dval4
add.d $f8, $f4, $f6
s.d $f8, dans2
# -----
# Display results.
li $v0, 4
la $a0, dmsg1
syscall
li $v0, 3
l.d $f12, dans1
syscall
li $v0, 4
la $a0, dmsg2
syscall
li $v0, 3
l.d $f12, dans2
syscall
li $v0, 4
la $a0, nline
syscall
# -----
# Calcluate float values.
# fsum = 0.0
# do 1000 times
# fsum = fsum + fval
# your code goes here...
li $t0, 1000
l.s $f4, fsum
l.s $f6, fval
floatSum:
add.s $f4, $f4, $f6
s.s $f4, fsum
sub $t0, $t0, 1
bnez $t0, floatSum
# -----
# Display fsum.
li $v0, 4
la $a0, fmsg3
syscall
li $v0, 2
l.s $f12, fsum
syscall
# -----
# Calcluate double values.
# dsum = 0.0
# do 10000 times
# dsum = dsum + dval
# your code goes here...
li $t0, 10000
l.d $f4, dsum
l.d $f6, dval
doubleSum:
add.d $f4, $f4, $f6
s.d $f4, dsum
sub $t0, $t0, 1
bnez $t0, doubleSum
# -----
# Display dsum.
li $v0, 4
la $a0, dmsg3
syscall
li $v0, 3
l.d $f12, dsum
syscall
li $v0, 4
la $a0, nline
syscall
# -----
# Done, terminate program.
li $v0, 10
syscall # au revoir...
.end main
#####################################################################