RFC on effectiveness of gcc on superscalars

Joseph Edward Hummel <jhummel@esp.ICS.UCI.EDU>
Thu, 25 Mar 1993 23:43:18 GMT

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RFC on effectiveness of gcc on superscalars jhummel@esp.ICS.UCI.EDU (Joseph Edward Hummel) (1993-03-25)
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Newsgroups: comp.compilers
From: Joseph Edward Hummel <jhummel@esp.ICS.UCI.EDU>
Keywords: optimize, GCC, architecture
Organization: Compilers Central
Date: Thu, 25 Mar 1993 23:43:18 GMT

I'm curious as to how well the current release of gcc takes advantage of
superscalars. In particular, does gcc do a reasonable job of scheduling
instructions to take advantage of separate functional units, or does gcc
really only focus on more basic things such as delay-slot filling? There
are gcc machine descriptions for many superscalars, but I don't know
enough about gcc to know which features of an architecture it can
effectively use.

Thanks in advance for your comments,

    - joe
Joe Hummel
ICS Graduate Student, UC Irvine
Internet: jhummel@ics.uci.edu

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