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Re: SSA-based dead-code elimination

To: mark at codesourcery dot com
Subject: Re: SSA-based dead-code elimination
From: Laurent Guerby <guerby at acm dot org>
Date: Wed, 2 Aug 2000 23:31:48 +0200
CC: pfeifer at dbai dot tuwien dot ac dot at, gcc-patches at gcc dot gnu dot org, oldham at codesourcery dot com
References: <20000801212010C.mitchell@codesourcery.com><Pine.BSF.4.21.0008021632070.99833-100000@taygeta.dbai.tuwien.ac.at> <20000802075232O.mitchell@codesourcery.com>
Reply-to: guerby at acm dot org

Mark Mitchell wrote [about empty loops removal]:
> So, I think we should reserve your patch for the day when we actually
> turn this stuff on by default.

Will there be a documented way to generate an empty loop that survives
optimization then? I can think of using a volatile variable, but this
generates unecessary memory accesses.

-- 
Laurent Guerby <guerby@acm.org>

Follow-Ups:
- Re: SSA-based dead-code elimination
  - From: Michael Meissner
- Re: SSA-based dead-code elimination
  - From: Mark Mitchell

References:
- SSA-based dead-code elimination
  - From: Mark Mitchell
- Re: SSA-based dead-code elimination
  - From: Gerald Pfeifer
- Re: SSA-based dead-code elimination
  - From: Mark Mitchell

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