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Re: [Bug rtl-optimization/20376] The missed-optimization of generalinduction variables in the new rtl-level loop optimizer cause performancedegradation.
- From: Diego Novillo <dnovillo at redhat dot com>
- To: gcc-bugzilla at gcc dot gnu dot org
- Cc: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 07 Mar 2005 22:16:24 -0500
- Subject: Re: [Bug rtl-optimization/20376] The missed-optimization of generalinduction variables in the new rtl-level loop optimizer cause performancedegradation.
- Organization: Red Hat Canada
- References: <20050308024912.20376.canqun@nudt.edu.cn> <20050308031305.16130.qmail@sourceware.org>
pinskia at gcc dot gnu dot org wrote:
Why isn't the tree level loop IV-OPTs doing this?
Because variable i is static.