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Ullman (Compiler Design) Edition 2 Exercise 6.5 Question 1 (Page No. 398)

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 Assuming that function $widen$ in Fig. $6.26$ can handle any of the types in the hierarchy of Fig. $6.25(a)$, translate the expressions below. Assume that c and d are characters, $s$ and $t$ are short integers, $i$ and $j$ are integers, and $x$ is a float.

  1. $x=s+c$
  2. $i=s+c$
  3. $x=(s+c)\ast(t+d)$ 
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