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Homework2Solution

Homework2Solution - Homework Assignment#2 MIPS Instructions...

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Homework Assignment #2 – MIPS Instructions CDA 3100, Computer Organization I Submission: A hard copy required.  Problem 1 (30 points) Exercise 2.4.1(p. 182). The following problems deal with translating from C to MIPS. Assume that the variables f,g,h,i, and j are assigned to registers \$s0, \$s1, \$s2, \$s3 , and \$s4 , respectively. Assume that the base address of the arrays A and B are registers \$s6 and \$s7 , respectively. a. f=g+h+B[4] b. f=g-A[B[4]] 2.4.1. For the C statements above, what is the corresponding MIPS assembly code? Solution: 2.4.1 a. f=g+h+B[4] add \$s0, \$s1, \$s2 lw \$t0, 16(\$s7) add \$s0, \$s0, \$t0 b. f=g-A[B[4]] lw \$t0, 16(\$s7) sll \$t0, \$t0, 2 add \$t0, \$t0, \$s6 lw \$t0, 0(\$t0) sub \$s0, \$s1, \$t0 Problem 2 (10 points) Exercise 2.16.1 (p. 194). For these problems, there are various binary values for register \$t0 . Given the value for \$t0 , you will be asked to evaluate the outcome of different branches. a.

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Homework2Solution - Homework Assignment#2 MIPS Instructions...

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