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Compiler Design
Lexical Analysis
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Parsing
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Syntax Directed Translation
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Code Generation and Optimization
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1
GATE CSE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is FALSE?
A
A basic block is a sequence of instructions where control enters the sequence at the beginning and exits at the end.
B
Available expression analysis can be used for common subexpression elimination.
C
Live variable analysis can be used for dead code elimination
D
$$x = 4*5 \Rightarrow x = 20$$ is an example of common subexpression elimination
2
GATE CSE 2010
MCQ (Single Correct Answer)
+1
-0.3
Which languages necessarily need heap allocation in the runtime environment?
A
Those that support recursion
B
Those that use dynamic scoping
C
Those that allow dynamic data structures
D
Those that use global variables
3
GATE CSE 2008
MCQ (Single Correct Answer)
+1
-0.3
Some code optimizations are carried out on the intermediate code because
A
They enhance the portability of the compiler to other target processors
B
Program analysis is more accurate on intermediate code than on machine code
C
The information from dataflow analysis cannot otherwise be used for optimization
D
The information from the front end cannot otherwise be used for optimization
4
GATE CSE 2004
MCQ (Single Correct Answer)
+1
-0.3
Consider the grammar rule $$E \to {E_1} - {E_2}$$ for arithmetic expressions. The code generated is targeted to a CPU having a single user register. The subtraction operation requires the first operand to be in the register. If E1 and E2 do not have any common sub-expression, in order to get the shortest possible code.
A
E1 should be evaluated first
B
E2 should be evaluated first
C
Evaluation of E1 and E2 should necessarily be interleaved
D
Order to evaluation of E1 and E2 is of no consequence
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Questions Asked from Marks 1
GATE CSE 2025 Set 1 (1) GATE CSE 2021 Set 2 (1) GATE CSE 2020 (1) GATE CSE 2014 Set 1 (1) GATE CSE 2010 (1) GATE CSE 2008 (1) GATE CSE 2004 (1) GATE CSE 1990 (1)
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization