Re: Unsafe Optimizations (WAS: Compiler

Ralph Johnson <johnson@cs.uiuc.edu>
Thu, 7 Jun 90 17:15:19 GMT

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Re: Unsafe Optimizations (WAS: Compiler johnson@cs.uiuc.edu (Ralph Johnson) (1990-06-07)
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Newsgroups: comp.compilers
From: Ralph Johnson <johnson@cs.uiuc.edu>
Date: Thu, 7 Jun 90 17:15:19 GMT
Organization: Compilers Central
Keywords: code, optimize

>Another reason for emphasizing front ends is probably the fact that these
>techniques are useful for lots of things other than writing compilers,
>whereas code generation and optimization is mainly of interest to compiler
>writers.


The most important part of code optimization is dataflow analysis,
data and control dependencies, and so on. This is very important
in many areas of program analysis.


I think that main reason that compiler courses emphasize front ends
is tradition. I don't think that is a good reason.


Ralph Johnson
--


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