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Re: cfg merge part 17 - loop datastructure updates
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: Richard Henderson <rth at redhat dot com>
- Cc: Jan Hubicka <jh at suse dot cz>, gcc-patches at gcc dot gnu dot org,gcc-pdo at atrey dot karlin dot mff dot cuni dot cz, m dot hayes at elec dot canterbury dot ac dot nz
- Date: Tue, 14 May 2002 01:01:25 +0200
- Subject: Re: cfg merge part 17 - loop datastructure updates
- References: <20020513130251.GJ17596@atrey.karlin.mff.cuni.cz> <20020513125547.D23906@redhat.com>
Hello.
> > This patch implements new loop represenation. It also makes some changes
> > to support moving to new loop optimizer.
>
> What else does it do? What functional changes, if any, are present?
Everything should work as before; the only additional features in this patch
are handling loops with shared headers and creating preheaders.
Zdenek