From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1GFaHF-0003rM-OC for user-mode-linux-devel@lists.sourceforge.net; Tue, 22 Aug 2006 10:43:01 -0700 Received: from [198.99.130.12] (helo=saraswathi.solana.com) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1GFaHC-0000IG-6V for user-mode-linux-devel@lists.sourceforge.net; Tue, 22 Aug 2006 10:43:01 -0700 Date: Tue, 22 Aug 2006 13:42:33 -0400 From: Jeff Dike Message-ID: <20060822174233.GA5471@ccure.user-mode-linux.org> References: <20060821215641.GQ11651@stusta.de> <20060822022012.GA7070@ccure.user-mode-linux.org> <20060822160741.GB11651@stusta.de> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20060822160741.GB11651@stusta.de> Subject: Re: [uml-devel] arch/um/sys-i386/setjmp.S: useless #ifdef _REGPARM's? List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Adrian Bunk Cc: linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net On Tue, Aug 22, 2006 at 06:07:41PM +0200, Adrian Bunk wrote: > I didn't find a corresponding open bug in the gcc Bugzilla. > > Can someone verify whether it's still present, and if yes, open a gcc > bug? Yup, it's easy enough to check. > It's set globally in arch/i386/Makefile: > cflags-$(CONFIG_REGPARM) += -mregparm=3 IIRC, there used to be functions explicitly declared as __regparam or something, and that's what I was grepping for. Does this turn every function with three or fewer parameters into a regparam function? > That's not pulled by UML, but if there are no outstanding problems with > regparm, we could both enable it uncomditionally on i386 and enable it > on UML/i386. That shouldn't be a problem. Jeff ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751422AbWHVRpH (ORCPT ); Tue, 22 Aug 2006 13:45:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751423AbWHVRpG (ORCPT ); Tue, 22 Aug 2006 13:45:06 -0400 Received: from saraswathi.solana.com ([198.99.130.12]:49061 "EHLO saraswathi.solana.com") by vger.kernel.org with ESMTP id S1751422AbWHVRpF (ORCPT ); Tue, 22 Aug 2006 13:45:05 -0400 Date: Tue, 22 Aug 2006 13:42:33 -0400 From: Jeff Dike To: Adrian Bunk Cc: linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Subject: Re: [uml-devel] arch/um/sys-i386/setjmp.S: useless #ifdef _REGPARM's? Message-ID: <20060822174233.GA5471@ccure.user-mode-linux.org> References: <20060821215641.GQ11651@stusta.de> <20060822022012.GA7070@ccure.user-mode-linux.org> <20060822160741.GB11651@stusta.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060822160741.GB11651@stusta.de> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 22, 2006 at 06:07:41PM +0200, Adrian Bunk wrote: > I didn't find a corresponding open bug in the gcc Bugzilla. > > Can someone verify whether it's still present, and if yes, open a gcc > bug? Yup, it's easy enough to check. > It's set globally in arch/i386/Makefile: > cflags-$(CONFIG_REGPARM) += -mregparm=3 IIRC, there used to be functions explicitly declared as __regparam or something, and that's what I was grepping for. Does this turn every function with three or fewer parameters into a regparam function? > That's not pulled by UML, but if there are no outstanding problems with > regparm, we could both enable it uncomditionally on i386 and enable it > on UML/i386. That shouldn't be a problem. Jeff