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 ECADD3858435 for ; Thu, 16 Nov 2023 10:59:14 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org ECADD3858435 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 ECADD3858435 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=1700132356; cv=none; b=JXlJjTX4uU2Q8Jrb2XqLtnTs9o94Z1AIyxq5VLOWVeHdH3rajpFR7vVK+WzP53ISYPoDY4azAqUri+1Wtqz89s20S09IMkwXTfUvqDKPHcEOsQG9A3X/KrCQFYBNhHEGLZjGq8URvzdN5edHgm3aYeF3GV6++xoFC00pCxdYbdQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700132356; c=relaxed/simple; bh=gQsFaxit9IHfchbNOGQaQF6qMKzY0ShQiIfEe22MBhk=; h=DKIM-Signature:Message-ID:Subject:From:To:Date:MIME-Version; b=Ljs6HDJG24HWJv/9GPmzM4gMkNfKqbgL8I7gRGEEHTIzW8YB5N1iTqE9fk4uS493+XcTDsad7V8Pjm314UAqTwmwJmKQTRYOnzBGtwIUYVD438zqiF3nJGBj2KYPU1ppQG3zVFBIXLLruPL/YdLGj9YV2GshX6CkxgJgM3Q409s= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1700132349; bh=gQsFaxit9IHfchbNOGQaQF6qMKzY0ShQiIfEe22MBhk=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=c+1kPRorDD/wHDNzn4R5YkT/Ppi9CqvNRbxKEZ5ihDpHq/HunIv6dcoCp1sLsR6dF taCa2B7RiHRpIhN5to3+H4U+st2onbt6Xzq+CNYsEbhs8NLlRaRy4gzSBaoHZcuFS5 iGJ2XYnjUeCdbgew6dxJkEtCyPkqm3Key3wYRqtY= 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 01D4D66A03; Thu, 16 Nov 2023 05:59:08 -0500 (EST) Message-ID: 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: Thu, 16 Nov 2023 18:59:07 +0800 In-Reply-To: <296884cf-b61c-6d31-e2e5-e87f5a76b7bb@loongson.cn> References: <20231114215404.163508-2-xry111@xry111.site> <288ac5649076e171f3ca18528a51580c0b248989.camel@xry111.site> <296884cf-b61c-6d31-e2e5-e87f5a76b7bb@loongson.cn> 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: On Thu, 2023-11-16 at 09:18 +0800, chenglulu wrote: >=20 > =E5=9C=A8 2023/11/15 =E4=B8=8B=E5=8D=887:38, Xi Ruoyao =E5=86=99=E9=81=93= : > > Pushed r14-5486. > >=20 > > /* snip */ > >=20 > > > > * gcc.target/loongarch/cas-acquire.c: New test. > > This test fails with GCC 12/13 on LA664, and it indicates a > > correctness > > issue.=C2=A0 May I backport this patch to 12/13 as well? > >=20 > I think we can backport. Pushed r12-9984 and r13-8074. --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University