From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xry111.site (xry111.site [89.208.246.23]) by sourceware.org (Postfix) with ESMTPS id 4F7193858D35 for ; Wed, 15 Nov 2023 11:38:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 4F7193858D35 Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 4F7193858D35 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=89.208.246.23 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700048314; cv=none; b=KveVcF26zSM8wDVJDzNOFrIr6o5qiTdJIvG+ixxS0JHUX/9zBYntVfGndlxEI0oGj4SF/XpdokiTpVYDqASLxlFTYBoRTOjSk8mLYe6f1coIcwpuYeqjPWzYwY4BCjkB6/4FfFHXyL5haebwwVE2QQ+uOWvDBgT8D0tE9CNc4Cg= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700048314; c=relaxed/simple; bh=XxjYuwOqaydbUsWPIj3GEIn5EIlxvy+3TxQ1DyRqI4w=; h=DKIM-Signature:Message-ID:Subject:From:To:Date:MIME-Version; b=Xn/OV5rBPNXujkiujLa1BywgVJdGIKKpQpy7AgiBb0OfaNQazmVOEDjusxMuFNorVexUauL6FGdNOvv4Xvwdf2oxJFr3rqh87G1NP4kzEdk4w+AnuzXiciy1IXzqW9VYRN6L3W9x+TtvehpiypsNwvR4APegC95SG00x8je+az4= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1700048310; bh=XxjYuwOqaydbUsWPIj3GEIn5EIlxvy+3TxQ1DyRqI4w=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=jVoZCcOSTVpXZ8TdXunAvwE0NhWYcxqMl9br9YQbbuXMSXDxRqemEtYcBZxzadxO8 bJYz7p9UxlZireitdRhaVKsg7rSjqyTo/ZJxKPzan4NKHBDaT+SrM3VxQj0KRg4Y/g ReoT2hcgXVYGd8npVsHJhCJ5CYg31SOYtDym5dR8= Received: from [127.0.0.1] (unknown [IPv6:2001:470:683e::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id DA7B966B06; Wed, 15 Nov 2023 06:38:29 -0500 (EST) Message-ID: <288ac5649076e171f3ca18528a51580c0b248989.camel@xry111.site> Subject: Re: [PATCH v2] LoongArch: Remove redundant barrier instructions before LL-SC loops From: Xi Ruoyao To: chenglulu , gcc-patches@gcc.gnu.org Cc: i@xen0n.name, xuchenghua@loongson.cn Date: Wed, 15 Nov 2023 19:38:27 +0800 In-Reply-To: References: <20231114215404.163508-2-xry111@xry111.site> Autocrypt: addr=xry111@xry111.site; prefer-encrypt=mutual; keydata=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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,LIKELY_SPAM_FROM,SPF_HELO_PASS,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Pushed r14-5486. /* snip */ > > * gcc.target/loongarch/cas-acquire.c: New test. This test fails with GCC 12/13 on LA664, and it indicates a correctness issue. May I backport this patch to 12/13 as well?=20 --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University