Solve any one question fromQ.1(a,b),c and Q.2(a,b,c)
1(a)
Discuss the action taken by every phase of compiler on following string A=B*C+D/E
6 M
1(b)
For the following grammar:
S -> Aa | bAc | Bc | bBa
A -> d
B->d
i) Compute First & Follow set
ii) Construct LR (1) parsing table
S -> Aa | bAc | Bc | bBa
A -> d
B->d
i) Compute First & Follow set
ii) Construct LR (1) parsing table
8 M
1(c)
Explain following terms with suitable examples (any 2)
i) S - Attributed Grammar
ii) L - Attributed Grammar
iii) Type Expression
i) S - Attributed Grammar
ii) L - Attributed Grammar
iii) Type Expression
6 M
2(a)
Explain following strorage allocation schemes with proper examples:
i) Stack Storage Allocations
ii) Static Storage Allocation
iii) Heap Storage Allocation
i) Stack Storage Allocations
ii) Static Storage Allocation
iii) Heap Storage Allocation
6 M
2(b)
Generate SLR parsing table for the given grammar and parse the string id1+ id2+ id3 * id4
E →E+T/T
T→T * F/F
F→id
E →E+T/T
T→T * F/F
F→id
8 M
2(c)
What is mean by 'Syntax Directed Definitions'? Give syntax directed definition for any example arithmetic expression.
6 M
Solve any one question fromQ.3(a,b,c) and Q.4(a,b,c)
3(a)
Explain following optimizations with examples:
i) Common sub expression elimination
ii) Strength reduction
iii) Code movement
iv) Variable propagation
i) Common sub expression elimination
ii) Strength reduction
iii) Code movement
iv) Variable propagation
8 M
3(b)
Compare Quadruples and Triples. Generate indirect triples for following: a = b * c - d - e
6 M
3(c)
What is Register Allocations and Assignment problem?
4 M
4(a)
What is the code optimization? Differentiate among local, global and loop optimization.
6 M
4(b)
What is DAG? Explain its use in code generation. Generate DAG for T1 = A + B
T2 = C +D
T3 = E - T2
T4 = T1 - T3
T2 = C +D
T3 = E - T2
T4 = T1 - T3
6 M
4(c)
Explain with example:
i) Basic blocks and flow graph
ii) Peephole optimization
i) Basic blocks and flow graph
ii) Peephole optimization
6 M
Solve any one question fromQ.5(a,b,c) and Q.6(a,b,c)
5(a)
Write a note on importance of source language data representation.
6 M
5(b)
Explain the row major and column major representation of arrays.
6 M
5(c)
Explain type checking with respect to context handling.
4 M
6(a)
Explain structure of a functional compiler. Discuss various issues related to compilation of functional languages.
6 M
6(b)
Wriet short note on Java CC.
6 M
6(c)
What is lazy evaluation in functional languages?
4 M
Solve any one question fromQ.7(a,b,c) and Q.8(a,b,c)
7(a)
Write short note on Nvindia CUDA compiler.
6 M
7(b)
What is interpreter? Explain JVM as an example of interpreter.
4 M
7(c)
How tuple space can be implemented on distributed memory systems.
6 M
8(a)
Explain following points for parallel Object Oriented languages: Object location, object migration, object replication
6 M
8(b)
Write short notes:
i) Tuple spaces
ii) XML VM
iii) JIT
i) Tuple spaces
ii) XML VM
iii) JIT
6 M
8(c)
Discuss issues related tom parallel compiler. Explain with respect to NVCC.
4 M
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