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Consider the following code used to implement a new instruction: foo $t3,$t1,$t2:

Consider the following code used to implement a new instruction: foo $t3,$t1,$t2:

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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What the code below does?

Consider the following code used to implement a new instruction: foo $t3,$t1,$t2:


mask : . word 0xFFFFF83F
s t a r t : l a $t0 , mask
lw $t0 , 0 ( $ t 0 )
l a $t3 , s h f t r
lw $t3 , 0 ( $ t 3 )
and $t3 , $t3 , $ t 0
a ndi $t2 , $t2 , 0 x 0 0 1 f
s l l $t2 , $t2 , 6
o r $t3 , $t3 , $ t 2
l a $t5 , s h f t r
sw $t3 , 0 ( $ t 5 )
s h f t r : s l l $t3 , $t1 , 0

What does foo does? 

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