Question Discussion & Solution

MCQ

x * 2 can be replaced by x << 1 is an example of?

Algebraic expression simplification

Accessing machine instructions

Strength reduction

Code Generator

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Code generation can be considered as the?

first phase of compilation

second phase of compilation

third phase of compilation

final phase of compilation

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Code generator uses ______ function to determine the status of available registers and the location of name values.

setReg

cinReg

pfReg

getReg

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The following code is an example of?

void add_ten(int x)
{
   return x + 10;
   printf(""value of x is %d"", x);
}

Redundant instruction elimination

Unreachable code

Flow of control optimization

None of the above

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MCQ

n Algebraic expression simplification, a = a + 1 can simply be replaced by?

INC a

DEC a

MUL a

Discussion

MCQ

System program such as compiler are designed so that they are

Re-enterable

Non reusable

Serially usable

None of the mentioned

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category More Compiler Design Topics

Compiler Design Basics

Non Deterministic Finite Automata

Lexical Analysis

Regular Expressions

Finite Automata

Syntax Analyser

Semantic Analyser

Run Time Environment

Code Generation

Code Optimization

Parsing

Transformation from NFA to DFA

Cross Compiler

Epsilon Moves

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