multiple unary operators problem

zaharije.pasalic@pmf.unsa.ba
13 Oct 2005 20:35:22 -0400

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multiple unary operators problem zaharije.pasalic@pmf.unsa.ba (2005-10-13)
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From: zaharije.pasalic@pmf.unsa.ba
Newsgroups: comp.compilers
Date: 13 Oct 2005 20:35:22 -0400
Organization: http://groups.google.com
Keywords: parse, question
Posted-Date: 13 Oct 2005 20:35:22 EDT

I develop simple compiler but what I really want is to play games with
optimization. For now the compiler has 4 passes (I know that is not so
effective, but code is more readable) like:


    1. parse tree generation
    2. type checking
    3. p-code generation
    4. asm generation


Now I want to build optimization for p-code.


Questions are:


1) What is a good structure for basic blocks (in flow graph I think)?
2) Is it good to build basic blocks in a p-code pass or to build it from
      p-code directly (both books that I have build blocks in different
      passes)?


Thanks,
Zaharije Pasalic


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