From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e1.ny.us.ibm.com (e1.ny.us.ibm.com [32.97.182.141]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e1.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 5B225DDDFA for ; Sat, 15 Sep 2007 10:32:54 +1000 (EST) Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e1.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l8F0Wpnu029306 for ; Fri, 14 Sep 2007 20:32:51 -0400 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l8F0WpTd667704 for ; Fri, 14 Sep 2007 20:32:51 -0400 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l8F0WpK3009265 for ; Fri, 14 Sep 2007 20:32:51 -0400 Subject: Re: [PATCH] add Kconfig option for optimizing for cell From: Josh Boyer To: Arnd Bergmann In-Reply-To: <200709150221.57825.arnd@arndb.de> References: <200709150221.57825.arnd@arndb.de> Content-Type: text/plain Date: Fri, 14 Sep 2007 18:07:44 -0500 Message-Id: <1189811264.24878.3.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, 2007-09-15 at 02:21 +0200, Arnd Bergmann wrote: > Since the PPE on cell is an in-order core, it suffers significantly > from wrong instruction scheduling. This adds an Kconfig option that > enables passing -mtune=cell to gcc in order to generate object > code that runs well on cell. Which version of gcc supports that? josh