Re: Finding MAC instructions

Jeff Kenton <jeffrey.kenton@comcast.net>
22 Jul 2006 21:30:38 -0400

          From comp.compilers
Related articles
Finding MAC instructions plfriko@yahoo.de (Christian Christmann) (2006-07-16)
Re: Finding MAC instructions emailamit@gmail.com (Amit Gupta) (2006-07-18)
Re: Finding MAC instructions jeffrey.kenton@comcast.net (Jeff Kenton) (2006-07-22)
Re: Finding MAC instructions henry@spsystems.net (2006-07-23)
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From: Jeff Kenton <jeffrey.kenton@comcast.net>
Newsgroups: comp.compilers
Date: 22 Jul 2006 21:30:38 -0400
Organization: Compilers Central
References: 06-07-019
Keywords: optimize
Posted-Date: 22 Jul 2006 21:30:38 EDT

Christian Christmann wrote:
> for a project I want to extend our comiler (more accurately, our
> code generator) for a DSP by generating optimized code using
> DSP-specific instructions like the MAC (multiply accumulte).


Sounds like something that could be done in the peephole optimization
stage, possibly preceded by re-organization of operations (as a
previous poster suggested).


jeff


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