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[Bug rtl-optimization/20376] The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.
- From: "pinskia at physics dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Mar 2005 03:18:34 -0000
- Subject: [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>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at physics dot uc dot edu 2005-03-08 03:18 -------
Subject: Re: The missed-optimization of general induction variables in the new rtl-level loop optimizer cause performance degradation.
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
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20376