Two simple MIPS QtSPIM questions

Learning Goal: I’m working on a programming discussion question and need an explanation and answer to help me learn.

• Trace the following program by hand to determine the values of registers \$f0 thru \$f9. Notice that array1 and array2 have the same elements, but in a different order. Comment on the sums of array1 and array2 elements computed in registers \$f4 and \$f9, respectively. Now use the QTSPIM tool to trace the execution of the program and verify your results. What conclusion can be made from this exercise?

.data

array1:.float5.6e+20,-5.6e+20,1.2

array2:.float1.2,5.6e+20,-5.6e+20

.text

.globl main

main:

la\$t0,array1

lwc1\$f0,0(\$t0)

lwc1\$f1,4(\$t0)

lwc1\$f2,8(\$t0)

la\$t1,array2

lwc1\$f5,0(\$t1)

lwc1\$f6,4(\$t1)

lwc1\$f7,8(\$t1)

li \$v0, 10# To terminate the program

syscall

.end main

————————————————————————————————————————————————————

• Write an interactive program that inputs the coefficient of a quadratic equation, computes, and displays the roots of the quadratic equation. All input, computation, and output should be done using double-precision floating-point instructions and registers. The program should handle the case of complex roots and displays the results properly. search for the form of the quadratic equation in the search engine

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