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Re: [Bug rtl-optimization/20376] The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.

From: Andrew Pinski <pinskia at physics dot uc dot edu>
To: Diego Novillo <dnovillo at redhat dot com>
Cc: gcc-bugs at gcc dot gnu dot org, gcc-bugzilla at gcc dot gnu dot org
Date: Mon, 7 Mar 2005 22:18:20 -0500
Subject: Re: [Bug rtl-optimization/20376] The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.
References: <20050308024912.20376.canqun@nudt.edu.cn> <20050308031305.16130.qmail@sourceware.org> <422D1908.4070108@redhat.com>

On Mar 7, 2005, at 10:16 PM, Diego Novillo wrote:

pinskia at gcc dot gnu dot org wrote:

Why isn't the tree level loop IV-OPTs doing this?
Because variable i is static.

I think you commenting on the wrong bug.

-- Pinski

Follow-Ups:
- Re: [Bug rtl-optimization/20376] The missed-optimization of generalinduction variables in the new rtl-level loop optimizer cause performancedegradation.
  - From: Diego Novillo

References:
- [Bug rtl-optimization/20376] New: The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.
  - From: canqun at nudt dot edu dot cn
- [Bug rtl-optimization/20376] The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.
  - From: pinskia at gcc dot gnu dot org
- Re: [Bug rtl-optimization/20376] The missed-optimization of generalinduction variables in the new rtl-level loop optimizer cause performancedegradation.
  - From: Diego Novillo

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