From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC2A1C433DF for ; Mon, 29 Jun 2020 13:08:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9671423D37 for ; Mon, 29 Jun 2020 13:08:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9671423D37 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33976 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jptWi-0001HR-Ru for qemu-devel@archiver.kernel.org; Mon, 29 Jun 2020 09:08:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jptVj-0008Dc-LI; Mon, 29 Jun 2020 09:07:47 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:39536) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jptVf-0003Xu-R9; Mon, 29 Jun 2020 09:07:47 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.3852587|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_news_journal|0.0631693-0.000208245-0.936622; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03268; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=8; RT=8; SR=0; TI=SMTPD_---.HucVN.U_1593436054; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.HucVN.U_1593436054) by smtp.aliyun-inc.com(10.147.44.145); Mon, 29 Jun 2020 21:07:35 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH 0/2] target/riscv: fixup atomic implementation Date: Mon, 29 Jun 2020 21:07:29 +0800 Message-Id: <20200629130731.1080-1-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=121.197.200.217; envelope-from=zhiwei_liu@c-sky.com; helo=smtp2200-217.mail.aliyun.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/29 09:07:36 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: richard.henderson@linaro.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, Alistair.Francis@wdc.com, palmer@dabbelt.com, LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" When I tested RVA with RISU, I found there is something wrong. In particular, amo*.w instructions should only operate the lowerest 32 bits. However, the current implementation uses the whole XLEN bits. LIU Zhiwei (2): tcg/tcg-op: Fix nonatomic_op load with MO_SIGN target/riscv: Do amo*.w insns operate with 32 bits target/riscv/insn_trans/trans_rva.inc.c | 60 +++++++++++++++++++------ tcg/tcg-op.c | 4 +- 2 files changed, 49 insertions(+), 15 deletions(-) -- 2.23.0