Number of temporary variable required to create 3 address code in static single assignment form for the expression:
$P + Q^{} R - S / (Q^{} R)$

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Solution

The correct option is C 4
$P + Q^{} R - S / (Q^{} R)$
$T_{1} = Q^{*} R$
$T_{2} = P + T_{1}$
$T_{3} = S / T_{1}$
$T_{4} = T_{2} - T_{3}$
$So, total 8 variables [P, Q, R, S, T_{1}, T_{2}, T_{3}, T_{4}] .$

Here, 4 temporary variables.

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Number of temporary variable required to create 3 address code in static single assignment form for the expression: P+Q ∗R−S/(Q∗R)

The correct option is C 4 P+Q ∗R−S/(Q∗R) T1=Q∗R T2=P+T1 T3=S/T1 T4=T2−T3 So, total 8 variables [P,Q,R,S,T1,T2,T3,T4]. Here, 4 temporary variables.

Number of temporary variable required to create 3 address code in static single assignment form for the expression:
$P + Q^{} R - S / (Q^{} R)$

The correct option is C 4
$P + Q^{} R - S / (Q^{} R)$
$T_{1} = Q^{*} R$
$T_{2} = P + T_{1}$
$T_{3} = S / T_{1}$
$T_{4} = T_{2} - T_{3}$
$So, total 8 variables [P, Q, R, S, T_{1}, T_{2}, T_{3}, T_{4}] .$

Here, 4 temporary variables.