From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from forward102j.mail.yandex.net (forward102j.mail.yandex.net [IPv6:2a02:6b8:0:801:2::102]) by sourceware.org (Postfix) with ESMTPS id BA19F3848415 for ; Sat, 4 Sep 2021 01:47:45 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org BA19F3848415 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=yandex.ru Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=yandex.ru Received: from myt5-c81fdca3da50.qloud-c.yandex.net (myt5-c81fdca3da50.qloud-c.yandex.net [IPv6:2a02:6b8:c12:19b:0:640:c81f:dca3]) by forward102j.mail.yandex.net (Yandex) with ESMTP id A58794BE8078 for ; Sat, 4 Sep 2021 04:47:42 +0300 (MSK) Received: from myt5-cceafa914410.qloud-c.yandex.net (myt5-cceafa914410.qloud-c.yandex.net [2a02:6b8:c12:3b23:0:640:ccea:fa91]) by myt5-c81fdca3da50.qloud-c.yandex.net (mxback/Yandex) with ESMTP id yrIHGPnpRU-lgDeldxS; Sat, 04 Sep 2021 04:47:42 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1630720062; bh=N8LPybVYQuWGTtL4XLmwWxIa3yWKYGSjaiC/lDGSlqQ=; h=Date:Message-ID:Subject:From:To; b=YR24/ciycLcZjhyLFULoVEok/ghiXt8tCaTzGG7eGV7V7YD7xTQg2e7LlTdlGKXp/ UwndHa3NiDfHGrN7K033jjMfCpG+nxiWCgLiXHnEP2kH+TUnsS+ZbmJS0hEScbCB3/ kj5IlVv0tdYKjbaeUYgEmn79kcCVXkI/OzOMHhMw= Authentication-Results: myt5-c81fdca3da50.qloud-c.yandex.net; dkim=pass header.i=@yandex.ru Received: by myt5-cceafa914410.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id p7liJkKKiO-lf0SVCsT; Sat, 04 Sep 2021 04:47:42 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) To: gcc-help@gcc.gnu.org From: Commeownist Subject: [QUESTION] Stack alignment in Extended Asm Blocks Message-ID: Date: Sat, 4 Sep 2021 04:47:04 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Sep 2021 01:47:59 -0000 Does GNU compiler guarantee that, upon entering an Extended Asm block, the stack pointer is suitably  aligned (according to the target ABI) for a function call? If the answer is no, is there a way to trigger this kind of alignment?