Effectiveness of an optimizing compiler for arithmetic expressions
James A. Painter
Abstract
James A. Painter
Abstract
This paper defines the notion of effectiveness of an optimizing compiler and presents a proof that a simple optimizing compiler is effective. An optimizing compiler typically consists of a basic compiler and a set of optimizations for special cases. The fundamental notion of effectiveness is that the basic compiler is correct, all of the optimization transformations preserve correctness, and produce essentially equivalent programs which have a smaller value relative to a specified weighting function.
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This paper defines the notion of effectiveness of an optimizing compiler and presents a proof that a simple optimizing compiler is effective. An optimizing compiler typically consists of a basic compiler and a set of optimizations for special cases. The fundamental notion of effectiveness is that the basic compiler is correct, all of the optimization transformations preserve correctness, and produce essentially equivalent programs which have a smaller value relative to a specified weighting function.
Key concepts: Compiler, Computer science, Interprocedural optimization, Compiler correctness, Optimizing compiler, Loop optimization, Correctness, Programming language