From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 303821007D1 for ; Fri, 3 Dec 2010 17:00:11 +1100 (EST) Subject: Re: linux-next: build failure after merge of the final tree (powerpc tree related) From: Benjamin Herrenschmidt To: Stephen Rothwell In-Reply-To: <20101203163206.72258fb8.sfr@canb.auug.org.au> References: <20101203163206.72258fb8.sfr@canb.auug.org.au> Content-Type: text/plain; charset="UTF-8" Date: Fri, 03 Dec 2010 16:59:58 +1100 Message-ID: <1291355998.32570.417.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@lists.ozlabs.org, linux-next@vger.kernel.org, Paul Mackerras , linux-kernel@vger.kernel.org, Anton Blanchard List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 2010-12-03 at 16:32 +1100, Stephen Rothwell wrote: > > After merging the tree, today's linux-next build (powerpc allmodconfig) > failed like this: > > arch/powerpc/lib/hweight_64.S: Assembler messages: > arch/powerpc/lib/hweight_64.S:52: Error: Unrecognized opcode: `popcntw' > arch/powerpc/lib/hweight_64.S:77: Error: Unrecognized opcode: `popcntw' > arch/powerpc/lib/hweight_64.S:106: Error: Unrecognized opcode: `popcntd' > > This is with: > > powerpc64-linux-gcc (GCC) 4.4.0 > GNU assembler (GNU Binutils) 2.19.1 > > Caused by commit 64ff31287693c1f325cb9cb049569c1611438ef1 ("powerpc: Add > support for popcnt instructions"). This toolchain is a bit ancient I suppose... Anton, do you reckon we should use .long based macros for these for the time being or just require a newer binutils ? Cheers, Ben.