From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE1EBC4332F for ; Thu, 17 Nov 2022 12:53:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234058AbiKQMxZ (ORCPT ); Thu, 17 Nov 2022 07:53:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234904AbiKQMxC (ORCPT ); Thu, 17 Nov 2022 07:53:02 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E611D58BFA for ; Thu, 17 Nov 2022 04:53:01 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 578EA61B9D for ; Thu, 17 Nov 2022 12:53:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1FFC2C433D6; Thu, 17 Nov 2022 12:52:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668689580; bh=wAbJ7y1N/MyCusn5aj1cOPNqg5kyfJzQlWfq/rm/+Q8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PBx+/8t5FlfPEL03r9bF4tquhk9AMCdXC8TQPwlIew8kD6QoshEjsK2/KdRaB+ry0 GYHfRlIvTutC4xndNXz7BaoCyldZXM6lnw1xBEkOjl5oH6V0RQlQFl3n7jRbtav/yL XuNsOROOsySTlgB1ZviYwGat/M2FvD7AGyitocsnkEfpKi8yEaU9+W9l5Dl169Z6/F ZETX4pe04a6n37boqXjakhtVb482Z6PIi4ZvxTuuqnpx7NZoZS8gc3IWMc8QCyxXfE 2nmYMPYlX5UglcdR3bFTUtrUHdJfTrFJAcRyPJRNbMN7F+8SqZBa0FSdi9/CMK9RYv 8N9LUPD7FbtqQ== Date: Thu, 17 Nov 2022 12:52:46 +0000 From: Mark Brown To: Mark Rutland Cc: Catalin Marinas , Will Deacon , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v1] kselftest/arm64: Use preferred form for predicate load/stores Message-ID: References: <20221117114130.687261-1-broonie@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="5QqIbPyyCJ7unPfh" Content-Disposition: inline In-Reply-To: X-Cookie: Ego sum ens omnipotens. Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org --5QqIbPyyCJ7unPfh Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Nov 17, 2022 at 11:52:22AM +0000, Mark Rutland wrote: > On Thu, Nov 17, 2022 at 11:41:30AM +0000, Mark Brown wrote: > > The preferred form of the str/ldr for predicate registers with an immediate > > of zero is to omit the zero, and the clang built in assembler rejects the > > zero immediate. Drop the immediate. > Rejecting that outright seems like a bug in clang, given there are legitimate > reasons to write code that way (e.g. using asm-offsets style definitions); has > that been reported so that it can be fixed? I believe it's been reported, yes. --5QqIbPyyCJ7unPfh Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmN2LpgACgkQJNaLcl1U h9Dpigf+Jhl3Eu1+Aj6FZeF5IJBLuO+6Lrdx1wIS5uSBktFtzUBMRwrUMYP/tqzY lEvr8YKAbW5pnjBt1auEAS/k+9Qd04yIB1WxT5pG62ZpKb8Hy/m2/REa5AgpRYS7 /22JhbENYfS6qa7xKVYKqiK71lQCB9ysENCcKTgKIN2QFzoaNEgUdx+C4w37AZOZ diIC/wIE815r2XVSx4g8b/Nrd184a+i1pw4rwEWeMcye0Wcwf9ue5c80zuy4rfDA T36oCGAgFbsKkvFaRMl1laX4psN4IaoXWJnzLwY78Z5JSWhO7ImQnS2hRVaZP8p1 3rjvzNN42Xb5vv+HWf7dK05u04nnHQ== =b/q8 -----END PGP SIGNATURE----- --5QqIbPyyCJ7unPfh--