12ARITHMETIC AND LOGICAL EXPRESSIONS
One of the major advantages that high-level languages provide over low-level languages is the use of algebraic arithmetic and logical expressions (hereafter, “arithmetic expressions”). HLL arithmetic expressions are an order of magnitude more readable than the sequence of machine instructions the compiler produces. However, the conversion process from arithmetic expressions into machine code is also one of the more difficult transformations to do efficiently, and a fair percentage of a typical compiler’s optimization phase is dedicated to handling it. Because of the difficulty with translation, this is one ...
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