Compute Ershov numbers for the following expressions: a) a/(b + c) - d* (e + /) . b) a + b * (c * (d + e)). c) (—a + *p)*((b-*q)/(—c+*r)). Generate optimal code using two registers for each of the...

Compute Ershov numbers for the following expressions:


a) a/(b + c) - d* (e + /) .


b) a + b * (c * (d + e)).


c) (—a + *p)*((b-*q)/(—c+*r)).

Generate optimal code using two registers for each of the expressions of Exercise 8.10.1.

Exercise 8.10.1

Compute Ershov numbers for the following expressions:


a) a/(b + c) - d* (e + /) .


b) a + b * (c * (d + e)).


c) (—a + *p)*((b-*q)/(—c+*r)).