Re: Register allocation

TOUATI Sid <touati@prism.uvsq.fr>
15 Jul 2003 23:40:36 -0400

          From comp.compilers
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From: TOUATI Sid <touati@prism.uvsq.fr>
Newsgroups: comp.compilers
Date: 15 Jul 2003 23:40:36 -0400
Organization: Universite de Versailles Saint-Quentin-en-Yvelines
References: 03-07-058
Keywords: optimize
Posted-Date: 15 Jul 2003 23:40:35 EDT

Hi,


It is hard to say why a compiler didn't make this or that optimization.
Maybe the number of free registers isn't sufficient (I am not familiar
with the MCORE platform).
However, be sure that gcc isn't the most efficient compiler in terms of
code optimization, especially with backend opptimization. Maybe by using
the keywork "register" for your global variables, you can help gcc to
decide.


S


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