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Question

What is register allocation responsible for?

a.

Deciding which variable gets placed in which register

b.

Placing every local variable in a register

c.

Allocating memory for variables on the stack

d.

None of the above

Posted under Reverse Engineering

Answer: (a).Deciding which variable gets placed in which register Explanation:Register allocation comes into play during code generation when the compiler must decide which variable gets placed in which register, and which variable must be placed on the stack.

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