From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 02E5C7483 for ; Sat, 7 Jun 2025 14:38:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.18.0.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749307119; cv=none; b=UaEbh7hc+y9DE5mk1UjA+YYCCoo3c0euD1Z6YVgH5jI8u6v1AGCkp+xvJdBMSaxFWYxrP1CfIy89rupBmF1bEHnWdwHzHrijLg9+2cIphtP5vBdoY859+NfrtwA3AZx2U4QkgmMC0FKZpEocczh3cNs07smoIlIRqQQd2yfvzn8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749307119; c=relaxed/simple; bh=gZHPWCYR28wZEOEqlwdMonfAxB+DDQd/xe6MgLK/qPg=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=TfsGS4Xle5oYNn7wcf1uR4AR+YHynSt8z5cZY5e61udeIIAq6Rv8oK+wfj9Ms8WMnCtTflM//y99/JKprvW2jghrajo+zMqVXFuHFlMa1egDBDnnZTzNbeONbMC8q8ar8KRjRvhtepAN4oxrn88isWUSAtQWB/mbSuK7Pn6GUC4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=pass smtp.mailfrom=nefkom.net; arc=none smtp.client-ip=212.18.0.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nefkom.net Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4bF15N0KtKz1r56j; Sat, 7 Jun 2025 16:38:31 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 4bF15M60SQz1qqlW; Sat, 7 Jun 2025 16:38:31 +0200 (CEST) X-Virus-Scanned: amavis at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavis, port 10024) with ESMTP id OO5CVOmKNp5D; Sat, 7 Jun 2025 16:38:24 +0200 (CEST) X-Auth-Info: rdsojH8vnYhQ8RCn8Wk2QOCl+R13xo66jRoIB+vxVZJpBdn530IkSHv8FUOYp79h Received: from igel.home (aftr-82-135-83-135.dynamic.mnet-online.de [82.135.83.135]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Sat, 7 Jun 2025 16:38:23 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id ABBE42C192A; Sat, 7 Jun 2025 16:38:23 +0200 (CEST) From: Andreas Schwab To: John Paul Adrian Glaubitz Cc: Finn Thain , Geert Uytterhoeven , Jean-Michel Hautbois , port-m68k , debian-68k , linux-m68k Subject: Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k In-Reply-To: <2bd7d3370101b73288f9a1cd1b6eed0ba0da700e.camel@physik.fu-berlin.de> (John Paul Adrian Glaubitz's message of "Sat, 07 Jun 2025 15:50:58 +0200") References: <442267d5-241e-44a5-9b54-fee06bc5c03b@yoseli.org> <9013836044f8bfb7f0cd62ba536f6a1c75034465.camel@physik.fu-berlin.de> <80f5c684-638b-4486-9026-1f8689a7f147@yoseli.org> <95e56d983ace4976143c7e1180ffe5606c0ee3fe.camel@physik.fu-berlin.de> <758f14d8-6d03-2aab-468b-170b0bbb7d2a@linux-m68k.org> <8e0186f61cc9bbed2373ae215e80ab7e70042793.camel@physik.fu-berlin.de> <87sekbq3f8.fsf@linux-m68k.org> <2bd7d3370101b73288f9a1cd1b6eed0ba0da700e.camel@physik.fu-berlin.de> Date: Sat, 07 Jun 2025 16:38:23 +0200 Message-ID: <87cybfaa74.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Jun 07 2025, John Paul Adrian Glaubitz wrote: > On Sat, 2025-06-07 at 11:58 +0200, Andreas Schwab wrote: >> On Jun 07 2025, John Paul Adrian Glaubitz wrote: >> >> > Who is "we"? The official(!) ABI says that pointers are supposed to be aligned >> > with 4 bytes, not 2 bytes. >> >> No, that is wrong. The official ABI uses 2 byte alignment. > > The official AT&T SysV ABI states that pointers must be aligned with 4 bytes. If you want to use AT&T System V, you are free to do so. But Linux is not AT&T System V. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."