From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sun, 18 Apr 2004 14:01:20 +0100 (BST) Received: from p508B7EE5.dip.t-dialin.net ([IPv6:::ffff:80.139.126.229]:51537 "EHLO mail.linux-mips.net") by linux-mips.org with ESMTP id ; Sun, 18 Apr 2004 14:01:18 +0100 Received: from fluff.linux-mips.net (fluff.linux-mips.net [127.0.0.1]) by mail.linux-mips.net (8.12.8/8.12.8) with ESMTP id i3ID0qxr016368; Sun, 18 Apr 2004 15:00:52 +0200 Received: (from ralf@localhost) by fluff.linux-mips.net (8.12.8/8.12.8/Submit) id i3ID0UFe016367; Sun, 18 Apr 2004 15:00:30 +0200 Date: Sun, 18 Apr 2004 15:00:30 +0200 From: Ralf Baechle To: "Maciej W. Rozycki" Cc: "Bradley D. LaRonde" , linux-mips@linux-mips.org, Eric Christopher , Daniel Jacobowitz Subject: Re: [PATCH] gcc 3.4 drops "accum" clobber, replace with "hi" intime.c Message-ID: <20040418130029.GA23489@linux-mips.org> References: <20040412231309.GA702@linux-mips.org> <03f301c420e7$d8de2d70$8d01010a@prefect> <048e01c420f1$ad4ae3b0$8d01010a@prefect> <1081818125.19719.14.camel@dzur.sfbay.redhat.com> <04d501c420f3$6c836a30$8d01010a@prefect> <20040413010732.GA7560@nevyn.them.org> <04f501c420f4$5563f620$8d01010a@prefect> <053c01c420f5$ec230190$8d01010a@prefect> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 4806 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Tue, Apr 13, 2004 at 02:57:07PM +0200, Maciej W. Rozycki wrote: > > > OK, so this patch actually builds, and it sounds like it will do the job, > > since "accum" means "hi and low", "lo" is already clobbered in all cases, > > and either "hi" is the output and doesn't need clobbering (hunks 1, 2, and > > 4), or "hi" is already clobbered (hunk 3). > > There are more places this should be dealt with and I have the following > preliminary patch for this, but I'm unsure about removal of "accum" being > completely safe for older compilers. >From everything I know about the behavior of older compilers this should be save. "accum" was treated a little strage in some context anyway, so I'm happy to see it go ... Ralf From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 18 Apr 2004 15:00:30 +0200 From: Ralf Baechle Subject: Re: [PATCH] gcc 3.4 drops "accum" clobber, replace with "hi" intime.c Message-ID: <20040418130029.GA23489@linux-mips.org> References: <20040412231309.GA702@linux-mips.org> <03f301c420e7$d8de2d70$8d01010a@prefect> <048e01c420f1$ad4ae3b0$8d01010a@prefect> <1081818125.19719.14.camel@dzur.sfbay.redhat.com> <04d501c420f3$6c836a30$8d01010a@prefect> <20040413010732.GA7560@nevyn.them.org> <04f501c420f4$5563f620$8d01010a@prefect> <053c01c420f5$ec230190$8d01010a@prefect> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org To: "Maciej W. Rozycki" Cc: "Bradley D. LaRonde" , linux-mips@linux-mips.org, Eric Christopher , Daniel Jacobowitz Message-ID: <20040418130030.nqJElSUBHZgzjhgs93gNM5dDJD7U2iVQ8tKxf83jAgA@z> On Tue, Apr 13, 2004 at 02:57:07PM +0200, Maciej W. Rozycki wrote: > > > OK, so this patch actually builds, and it sounds like it will do the job, > > since "accum" means "hi and low", "lo" is already clobbered in all cases, > > and either "hi" is the output and doesn't need clobbering (hunks 1, 2, and > > 4), or "hi" is already clobbered (hunk 3). > > There are more places this should be dealt with and I have the following > preliminary patch for this, but I'm unsure about removal of "accum" being > completely safe for older compilers.