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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E609AD1038E for ; Fri, 25 Oct 2024 01:22:46 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4XZQ511bj9z2xsd; Fri, 25 Oct 2024 12:22:45 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=147.75.193.91 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1729819365; cv=none; b=KcXwaBmRoHfbUWmbKdgog//bmQItkXEg5Wuds4Il1EBq1uBJ236AIcYNqD+rIoqtYlBAGithtNRig+iuyPHmVOCKqRBTjwk0mzSrNEz4vL/fZFbnM2pPRxTrVjiFF0M17oicyvr2Pd4mzN9dMlmZvdYB06AQ0fD1l1Z3ZF51Btrsbh7g3A8O+vzuoxRAeCfLT3EUrqtq/mRAAyhpUULWX/5fWYTYOBYl24k4oGugvzpIdAbCEiD9ahY29MlgsGrIBBC0zow3SaHoCYJoRVa7ksF7d6FL/l3tdJIDb4QHW2vdMkmJiBcja9UJxDmlTwXz/slsZhFLd4dcQG2ZXwPRwQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1729819365; c=relaxed/relaxed; bh=PHk+f02gxxCH78JZbRAia+WbVbQ0AJGC2OCKGNTcjio=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Y7UMQlKU+kXDOqioFeS8WjaCENPOs+2feg+pa/3JjEbedeubDwmh2xvxeT9N1idME/+0rwc+zMyvx5RpUVS9IT9Fma1LA3/mwwhO9JMx4CnSlSWPCX7cqAOi1xSeUt+WxxzsIRWC0y+ppsHZ7CVjfgXQQ2qRXe5qPHPH/0igJMtxcEoncbrDSmyOrQxVlPPTM+Zr1K14dfGBUKicG0inRIZM8RHEZuNlNzDTgwbggaAHL2UmYGMLkNZx3YzDteVn09HKQjCsUH5V0LBq41utBXVL1t5YlGPhMjx9IWKJYldLALZOVulPAe8kDJJN/hvT+dcg6uFRMHYsPR769rYtfg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Bc3a5qD4; dkim-atps=neutral; spf=pass (client-ip=147.75.193.91; helo=nyc.source.kernel.org; envelope-from=nathan@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Bc3a5qD4; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=147.75.193.91; helo=nyc.source.kernel.org; envelope-from=nathan@kernel.org; receiver=lists.ozlabs.org) Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4XZQ501jMkz2xs8 for ; Fri, 25 Oct 2024 12:22:44 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id B7566A42AF6; Fri, 25 Oct 2024 01:20:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56E6DC4CEC7; Fri, 25 Oct 2024 01:22:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729819359; bh=PHk+f02gxxCH78JZbRAia+WbVbQ0AJGC2OCKGNTcjio=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Bc3a5qD4OqjSXdFp0YC/YQR9lx762k8SHCwE/zwZhxpyXyv48dUIt717zB96aKR7+ SbtSj8MwlVbEqKW6C26c2Gv6o2zrqmo5IcAdf9trqDWBrMN/JvUjo92s26V3q3ucWi SwVTMP6SfuQ2T5YNj8O3yup9tLtPg6g55ljJSSSjBxw7k6gXkQa7QfiMG9awCkDHQD 4gwwY+qWszL0lQR6wpzSm5d2Y2wu3LFG30dKdvTnS3bFB7J/TTDGEYJ3awBZVLKiC5 ccRmySNrAF1EkoMB+XET2jpjv2HIDPApBSDm1XnR6mUqYlDl43boiMQwrU+Fj4sUuh LLqYU6N14X0ow== Date: Thu, 24 Oct 2024 18:22:37 -0700 From: Nathan Chancellor To: Naresh Kamboju Cc: clang-built-linux , open list , lkft-triage@lists.linaro.org, linuxppc-dev , Nick Desaulniers , Dan Carpenter , Arnd Bergmann , Anders Roxell Subject: Re: powerpc: clang-nightly: fatal error: error in backend: Trying to obtain a reserved register "r2". Message-ID: <20241025012237.GC740745@thelio-3990X> References: X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Naresh, On Thu, Oct 24, 2024 at 08:35:11PM +0530, Naresh Kamboju wrote: > The powerpc clang-nightly version 20.0.0 build warnings / errors noticed on > the Today's Linux next-20241024 tag. ... > Build errors: > ---------- > fatal error: error in backend: Trying to obtain a reserved register "r2". Thanks for the report. I reported this upstream earlier, it should be resolved now but it will take a little bit for that to filter into clang-nightly from Debian. https://github.com/llvm/llvm-project/pull/112603#issuecomment-2430709704 Cheers, Nathan