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)

add.s$f3,$f0,$f1

add.s$f4,$f2,$f3

la$t1,array2

lwc1$f5,0($t1)

lwc1$f6,4($t1)

lwc1$f7,8($t1)

add.s$f8,$f5,$f6

add.s$f9,$f7,$f8

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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