From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 12 Apr 2007 15:22:26 -0500 To: Segher Boessenkool Subject: Re: [Cbe-oss-dev] [RFC, PATCH] selection of CPU optimization Message-ID: <20070412202226.GA9388@lixom.net> References: <20070410111508.GA2969@localhost.localdomain> <200704121501.34311.arnd@arndb.de> <981B07C8-D35B-4581-8FC7-DCA58430A081@kernel.crashing.org> <200704121926.03723.arnd@arndb.de> <04335E0C-3963-4849-BEC7-DC9DF3E3280F@kernel.crashing.org> <20070412200431.GA9067@lixom.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: From: olof@lixom.net (Olof Johansson) Cc: linuxppc-dev list , Arnd Bergmann , cbe-oss-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Apr 12, 2007 at 10:01:11PM +0200, Segher Boessenkool wrote: > >>Olof should know what pa6t needs or what makes sense for it. > > > >Thanks for the heads up, I didn't notice the email go by on the list. > > > >-m{cpu,tune}=pa6t should do it. > > Except that's not in any public GCC version yet. Well, > two weeks ago it wasn't... > > Note that specifying an unknown -mcpu/tune= is an error, > not a warning or totally ignored. Correct, it's not upstream yet. It will be at some point, and in general people who have access to hardware also have access to a toolchain that has it. So, leave it open, or use 970 settings for now to keep Segher happy. -Olof