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Re: LOG_LINKS in the gcc
- To: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
- Subject: Re: LOG_LINKS in the gcc
- From: "Zack Weinberg" <zackw at stanford dot edu>
- Date: Thu, 5 Oct 2000 16:35:15 -0700
- Cc: Marcio de Oliveira Buss <ra990898 at ic dot unicamp dot br>, gcc at gcc dot gnu dot org
- References: <Pine.GSO.4.10.10009272136301.1601-100000@pinheiros.dcc.unicamp.br> <14813.3025.276617.608875@ongaonga.elec.canterbury.ac.nz>
On Fri, Oct 06, 2000 at 12:16:33PM +1300, Michael Hayes wrote:
>
> I have been intending to write some generic def-use and use-def
> routines for use by the loop optimizer. The approach I had envisaged
> was to build partial def-use and use-def chains for each basic block
> (or perhaps for each extended basic block) and then to stitch them
> together using life analysis information and a search of the CFG (or
> possibly the reaching definition information computed in gcse.c).
combine could also benefit greatly from real use-def/def-use
information.
zw