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Re: Re-run of loop pass

To: law at cygnus dot com, Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
Subject: Re: Re-run of loop pass
From: Richard Henderson <rth at cygnus dot com>
Date: Wed, 21 Oct 1998 22:48:01 -0700
Cc: egcs at cygnus dot com
References: <13865.9178.455954.70561@ongaonga.elec.canterbury.ac.nz> <18798.908694891@hurl.cygnus.com>
Reply-To: Richard Henderson <rth at cygnus dot com>

On Sun, Oct 18, 1998 at 01:14:51AM -0600, Jeffrey A Law wrote:
> We've generally gotten better code.

Not lately, as far as I can tell.

It was originally put in because it helped Fortran identify more
GIVs -- probably just due to damebramage wrt move_movables.  The
bits I've looked at since this spring's loop enhancements did not
show an improvement from re-running loop.

Toon should probably comment on this.


r~

Follow-Ups:
- Re: Re-run of loop pass
  - From: Jeffrey A Law
- Re: Re-run of loop pass
  - From: Toon Moene

References:
- Re-run of loop pass
  - From: Michael Hayes
- Re: Re-run of loop pass
  - From: Jeffrey A Law

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