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Re: Improve loop detection and loop header copying

From: Sebastian Pop <sebastian dot pop at cri dot ensmp dot fr>
To: law at redhat dot com
Cc: Jan Hubicka <hubicka at ucw dot cz>, gcc-patches at gcc dot gnu dot org
Date: Thu, 5 Feb 2004 01:54:54 +0100
Subject: Re: Improve loop detection and loop header copying
References: <20040204223316.GC10714@atrey.karlin.mff.cuni.cz> <200402042238.i14McnF9003083@speedy.slc.redhat.com>

On Wed, Feb 04, 2004 at 03:38:48PM -0700, law@redhat.com wrote:
>  > I believe it is in the LNO branch but Zdenek also
>  >sent patch against tree-SSA at some point that got unreviewed.

Yes, the loop header copy is enabled by default at -O1 and above, in
the LNO branch.

> I've already spent far too much time mucking around with this -- I've got
> a million things to deal with, so Zdenek will need to resubmit.  
> 
> Jeff

Follow-Ups:
- Re: Improve loop detection and loop header copying
  - From: Zdenek Dvorak

References:
- Re: Improve loop detection and loop header copying
  - From: Jan Hubicka
- Re: Improve loop detection and loop header copying
  - From: law

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