From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) (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 4B8C62E54A9 for ; Wed, 18 Jun 2025 12:57:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=130.133.4.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750251441; cv=none; b=hmjTmQlAAjEGfIr1ucQg1m8u0uzgqwMvIVpW0enivxmS07kWqx0NczvCLqswe/W+BU9F7MkoTZvtP4/ja5RABmGQPtqeRFcXRKAc+b6BUe+xbdKwl0gw/mdug3W56vFh8ZWQGINKORb65C4YsaSXT4LMW/me4cCQ7r6fo2chme0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750251441; c=relaxed/simple; bh=CMI6CY1t3vo0tBd/URuXOxF5S3ieK0tREQXoZQ1yE/k=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=SFZk1zDW7gixgT2tAqGQadkFvs59xpZxuzmaTxsUTsTnSjGj3y5eVE2oy0S7mtRRcX8ZpywptPjGDbUPnQUFkEIC+PBYo06ejtqRmhiOBdz8B054NjFXnp+isqgzhphJh/rY5W9uiCPg91LscAV9dhum85bqJ4ymtn7U5LvtKHg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=physik.fu-berlin.de; spf=pass smtp.mailfrom=zedat.fu-berlin.de; dkim=pass (2048-bit key) header.d=fu-berlin.de header.i=@fu-berlin.de header.b=U37hVUd9; arc=none smtp.client-ip=130.133.4.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=physik.fu-berlin.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zedat.fu-berlin.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fu-berlin.de header.i=@fu-berlin.de header.b="U37hVUd9" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=fu-berlin.de; s=fub01; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Iy9d6EmfeClmWJyqntc9tl8ejWjiAgiwjQb+HeN8dPA=; t=1750251439; x=1750856239; b=U37hVUd9MVLx48u+770RPAR9vXcncr3C+pkxPksQrEYuMyEQHHl1KN2RPP4Iz1j2Pm5THs4Wk6g B4o6qxJL0VDSikHUrk1cMGA8ivUD6qq2dhJbue/frLdFh4+7Sp9HetSurQXcBbNj+qDLknN/eZNzc 4BHywiy//nyfr8i2Vzobw5qcyfrjU1iF/HEOMlwyDIlvo4HXs/2OaKZzkL+3Eqi/6NcMG2eQP37hR /LEpJ7bYZeRIEvpsh1St5lG4oLLTdrFAMFKxIM6mip1SUr2js6Bq1CyVfjh4U1dFMv+8dYft6AV1e EzURarKL0vpN0YPpVQvMW22uYe+XyEcWqxug==; Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.98) with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1uRsLr-00000001GKO-3vDM; Wed, 18 Jun 2025 14:57:15 +0200 Received: from p57bd96d0.dip0.t-ipconnect.de ([87.189.150.208] helo=[192.168.178.61]) by inpost2.zedat.fu-berlin.de (Exim 4.98) with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1uRsLr-000000045eh-30qK; Wed, 18 Jun 2025 14:57:15 +0200 Message-ID: <171e7c494792ac9abb14dffc138f559abeeb196d.camel@physik.fu-berlin.de> Subject: Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k From: John Paul Adrian Glaubitz To: Geert Uytterhoeven Cc: Greg Ungerer , port-m68k , debian-68k , linux-m68k Date: Wed, 18 Jun 2025 14:57:15 +0200 In-Reply-To: References: <569d73fb-8ad5-46f0-bf4c-568919f319e7@helsinkinet.fi> <022ab204-7be9-4f6a-a92f-2601fae1f146@vivier.eu> <5d8619dfe4134319b558684209f2b89c5c1447cf.camel@physik.fu-berlin.de> <889f54af-2317-ee51-cea5-47d813683944@linux-m68k.org> <5de0835e46f8c2479668fe5fe98f8e0d230cbfce.camel@physik.fu-berlin.de> <0b09dcea10c9bab4a50b2599ef8ac59b89f09b3e.camel@physik.fu-berlin.de> <8eb87c55-95c2-0c73-4941-6e8732266220@linux-m68k.org> <4c0581c5baccf73e96e53d755e70b57b23ba1da4.camel@physik.fu-berlin.de> <29677f1e81b42c87926875109907485e41587883.camel@physik.fu-berlin.de> <38c670cc-6169-4720-a883-c34df26e1a4f@kernel.org> <6e0e0cf97b77d881b67916889d4b172c5bbdda00.camel@physik.fu-berlin.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Original-Sender: glaubitz@physik.fu-berlin.de X-ZEDAT-Hint: PO On Wed, 2025-06-18 at 14:54 +0200, Geert Uytterhoeven wrote: > > True, but you won't be able to run any classic m68k binaries on ColdFir= e > > and the other way around, are you? >=20 > IIIRC if you use a proper subset of the user mode instructions, you > can create binaries that run on both. OK, but I assume that's not really a relevant usecase. And since Greg already said that he is not generally rejecting the idea of switching the default alignment, we should rather discuss what would be the best way to implement this without causing a lot of headache. Adrian --=20 .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913