Re: [RFC] Variable Expansion Optimization

[Revital Eres <ERES at il dot ibm dot com>]

Hello,

Here is a diff of loop-unroll.c against msg00397.html.
Hope it is helpful.




Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> wrote on 22/08/2004 
18:53:27:

> Hello,
> 
> > This patch implements the variable expansion optimization 
> > in the unroller as was described in 
> > http://gcc.gnu.org/ml/gcc/2004-08/msg00658.html.
> > It is missing the check for register pressure which is going to
> > be the next step.
> > 
> > The code contains the patch for splitting induction variables 
> > in unroller because it is not in mainline yet.
> > (http://gcc.gnu.org/ml/gcc-patches/2004-08/msg00397.html)
> > I also made some changes to it in 
> > order to support the variable expansion optimization.
> 
> could you please send a diff against mainline + msg00397.html,
> so that your changes are easier to spot?
> 
> Zdenek


Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> wrote on 22/08/2004 
18:53:27:

> Hello,
> 
> > This patch implements the variable expansion optimization 
> > in the unroller as was described in 
> > http://gcc.gnu.org/ml/gcc/2004-08/msg00658.html.
> > It is missing the check for register pressure which is going to
> > be the next step.
> > 
> > The code contains the patch for splitting induction variables 
> > in unroller because it is not in mainline yet.
> > (http://gcc.gnu.org/ml/gcc-patches/2004-08/msg00397.html)
> > I also made some changes to it in 
> > order to support the variable expansion optimization.
> 
> could you please send a diff against mainline + msg00397.html,
> so that your changes are easier to spot?
> 
> Zdenek

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