Before generating intermediate code, the compiler can modify...

MCQ

Before generating intermediate code, the compiler can modify the intermediate code by address calculations and improving loops.

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MCQ

Peep-hole optimization is a form of

loop optimization

local optimization

data flow analysis

constant folding

Discussion

MCQ

Some code optimizations are carried out on the intermediate code because------

They enhance the portability of the compiler to other target processors

Program analysis is more accurate on intermediate code than on machine code

The information from dataflow analysis cannot otherwise be used for optimization

The information from the front end cannot otherwise be used for optimization

Discussion

MCQ

Consider the following intermediate program in three address codep = a - b
q = p * c
p = u * v
q = p + q
Which one of the following corresponds to a static single assignment form of the above code?

p1 = a - b
q1 = p1 * c
p1 = u * c
q1 = p1 + q1

p3 = a - b
q4 = p3 * c
p4 = u * c
q5 = p4 + q4

p1 = a - b
q1 = p2 * c
p3 = u * c
q2 = p4 + q3

p1 = a - b
q1 = p * c
p2 = u * c
q2 = p + q

Discussion

MCQ

Peephole optimization is form of------

Loop optimization

Local optimization

Constant folding

Data flow analysis

Discussion

MCQ

Optimization can be categorized broadly into ____ types.

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Medical

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Transformation from NFA to DFA

Cross Compiler

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