Aug2016 cs Q33

0. In compiler optimization, operator strength reduction uses mathematical identities to replace slow math operations with faster operations. Which of the following code replacements is an illustration of operator strength reduction ?

Answer
Comment
Array

Option : B
Explanation :
In option (B), Multiplication operation is replaced with Shift Operator . It reduce the operator strength because shift operator is less expensive than multiplication operation. So option (B) is correct.

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