Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Sep 2017 My Price 8.00

global common sub-expressions

For the flow graph in Fig. 9.10:

a) Identify the loops of the flow graph.

b) Statements (1) and (2) in B1 are both copy statements, in which a and b are given constant values. For which uses of a and b can we perform copy propagation and replace these uses of variables by uses of a constant? Do

so, wherever possible.

c) Identify any global common sub-expressions for each loop.

d) Identify any induction variables for each loop. Be sure to take into account any constants introduced in (b).

e) Identify any loop-invariant computations for each loop.

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Answers

Maurice Tutor
(5)
Status NEW Posted 17 Sep 2017 09:09 PM My Price 8.00

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