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Re: [RFC] Variable Expansion Optimization
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: Revital Eres <ERES at il dot ibm dot com>
- Cc: gcc at gcc dot gnu dot org, Ayal Zaks <ZAKS at il dot ibm dot com>,Mircea Namolaru <NAMOLARU at il dot ibm dot com>
- Date: Sun, 22 Aug 2004 17:53:27 +0200
- Subject: Re: [RFC] Variable Expansion Optimization
- References: <OF0755549A.2A3D4F8D-ONC2256EF8.003347AA-C2256EF8.005683E7@il.ibm.com>
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