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 111F03858D32 for ; Thu, 16 Nov 2023 01:18:38 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 111F03858D32 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 111F03858D32 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=1700097521; cv=none; b=Mjc9Hlblx9hJiaDObFc5XwEk/5JgMx+D8fAil7YUWaGZb8ku6Ztn9/r26A0ruDdxMjgrB9qMP0aOoXN2XauB+MAN6/G0OzJnVnm9c+5Yp5oRI1SnYb2W77yo3WCRKriYqHE2fkIMZrEeyJTDR8rdzLrrUY6AIP41ZEbDPJQ8YjE= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700097521; c=relaxed/simple; bh=pDIjPKxewiUV14VB3oWOgUHAQ0woi5t7scq366faXW4=; h=Subject:To:From:Message-ID:Date:MIME-Version; b=NeSmsWFvYUwOeJji1qWI7STZkB/GWhnk5LnQsJ1gCsGiBYxg6C9RftJNqzWsapI33PnpoBU6HM8LMTQM1XjedG46D8u/lG1e37rBkCt8MZRmLqNnv2nQ1KvueAI1Gjh27ITuiW/X3Bb0Nf/ZnASWKh+RrSDAZ7oE0ywtao/vLZ0= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from loongson.cn (unknown [10.20.4.107]) by gateway (Coremail) with SMTP id _____8AxJujrbVVlWms6AA--.56537S3; Thu, 16 Nov 2023 09:18:36 +0800 (CST) Received: from [10.20.4.107] (unknown [10.20.4.107]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Cxjd7rbVVlNY5DAA--.19462S3; Thu, 16 Nov 2023 09:18:35 +0800 (CST) Subject: Re: [PATCH v2] LoongArch: Remove redundant barrier instructions before LL-SC loops To: Xi Ruoyao , gcc-patches@gcc.gnu.org Cc: i@xen0n.name, xuchenghua@loongson.cn References: <20231114215404.163508-2-xry111@xry111.site> <288ac5649076e171f3ca18528a51580c0b248989.camel@xry111.site> From: chenglulu Message-ID: <296884cf-b61c-6d31-e2e5-e87f5a76b7bb@loongson.cn> Date: Thu, 16 Nov 2023 09:18:35 +0800 User-Agent: Mozilla/5.0 (X11; Linux loongarch64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <288ac5649076e171f3ca18528a51580c0b248989.camel@xry111.site> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-CM-TRANSID:AQAAf8Cxjd7rbVVlNY5DAA--.19462S3 X-CM-SenderInfo: xfkh0wpoxo3qxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29K BjDU0xBIdaVrnRJUUUv0b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26c xKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vE j48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxV AFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAF wI0_Gr0_Gr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv 67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41lc7I2V7IY0VAS07 AlzVAYIcxG8wCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02 F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw 1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7Cj xVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r 1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU1QV y3UUUUU== X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_SHORT,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 2023/11/15 下午7:38, Xi Ruoyao 写道: > 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? > I think we can backport. Thanks!