From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by sourceware.org (Postfix) with ESMTP id 0AFA43858D1E for ; Thu, 21 Mar 2024 01:34:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0AFA43858D1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=loongson.cn ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 0AFA43858D1E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1710984871; cv=none; b=KFNZ1Z77DzovwCany3zlTR6vTm9sKHGlFNw1GhqEdBmjpAb912MHPxNOv5J+yVW4WSP1PZawhDWzmScSLzhe2iEcqt1BJoFJ2Fh8o14/oT+RzX6zo9xc8wdpbZ43tVqQhH/SF+0Qffnz0ikuoOrxF57TvT9MVS8VVWfkfPorfmw= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1710984871; c=relaxed/simple; bh=Oqzb7dhoWgSrw8C08dVM7GDURc2ItpmwygVtmzlvU94=; h=Subject:To:From:Message-ID:Date:MIME-Version; b=dK+qC3xsKEXGVe6wtjnrW6aglDEeIBN6H74ZfbsqLb2cC4PFgRAsT8ldeWZ9RqaCBbFP4CFY3I+NTPhOoBxGKer73y/ki2i0HVJP9IMupBCJi51UymYz/U/nEt2f+61uQ6VZAa/ofplA9GQu2UnlfORO+MjkrK30tgRB3aih4UU= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from loongson.cn (unknown [10.20.4.171]) by gateway (Coremail) with SMTP id _____8AxPOmZjvtlqp8bAA--.55761S3; Thu, 21 Mar 2024 09:34:17 +0800 (CST) Received: from [10.20.4.171] (unknown [10.20.4.171]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxvhOZjvtlOztfAA--.64620S3; Thu, 21 Mar 2024 09:34:17 +0800 (CST) Subject: Re: [PATCH v1] LoongArch: gas: Ignore .align if it is at the start of a section To: Xi Ruoyao , "H.J. Lu" Cc: binutils@sourceware.org, xuchenghua@loongson.cn, chenglulu@loongson.cn, liuzhensong@loongson.cn, cailulu@loongson.cn, i.swmail@xen0n.name, maskray@google.com, luweining@loongson.cn, wanglei@loongson.cn, hejinyang@loongson.cn References: <20240320100718.3033397-1-mengqinggang@loongson.cn> From: mengqinggang Message-ID: <3b1ef734-e704-ae55-3f1b-8aa3d1ede6f4@loongson.cn> Date: Thu, 21 Mar 2024 09:34:16 +0800 User-Agent: Mozilla/5.0 (X11; Linux mips64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-CM-TRANSID:AQAAf8DxvhOZjvtlOztfAA--.64620S3 X-CM-SenderInfo: 5phqw15lqjwttqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj9xXoW7Jw1DXFy8Ww13Jr43ur15Awc_yoWxZrg_Xr 1xXw18Zw4UAFnrK3ZIywn7WrnxKry0kF10qw4vvr12qr1fAa95Zw1kuwn8Zw10ya1xCrnI kF1DCr1fJFy3ZosvyTuYvTs0mTUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbxkYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_JrI_Jryl8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwA2z4x0Y4vEx4A2jsIE14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ Gr0_Gr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I 8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AK xVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lc7I2V7IY0VAS07AlzV AYIcxG8wCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E 14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIx kGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAF wI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r 4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU1EksDUU UUU== X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: 在 2024/3/20 下午8:53, Xi Ruoyao 写道: > On Wed, 2024-03-20 at 04:08 -0700, H.J. Lu wrote: >> On Wed, Mar 20, 2024 at 3:08 AM mengqinggang wrote: >>> Ignore .align if it is at the start of a section, the section alignment >>> can ensure correct alignment. >> What happens when the section is aligned at 8 bytes and .align is aligned to >> 16 bytes? According to my understanding, section alignment is the maximum alignment within section. And, can we set the alignment of a section separately? > If it happens we should increase the section alignment to 16, or we were > silently generating broken output and we had a bug anyway... >