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=-8.9 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 9EF25C433E6 for ; Sat, 29 Aug 2020 18:35:38 +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 64F9E20714 for ; Sat, 29 Aug 2020 18:35:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="xnWJsKM3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64F9E20714 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC5hR-0006Xd-Kw for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 14:35:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50016) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC5gj-0005zZ-G5 for qemu-devel@nongnu.org; Sat, 29 Aug 2020 14:34:53 -0400 Received: from mail-pg1-x536.google.com ([2607:f8b0:4864:20::536]:35849) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC5gf-0004hG-4n for qemu-devel@nongnu.org; Sat, 29 Aug 2020 14:34:52 -0400 Received: by mail-pg1-x536.google.com with SMTP id p37so2059553pgl.3 for ; Sat, 29 Aug 2020 11:34:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=bIK3pDedK2jHWb+EMwthE5gVs/t/Vc27qZvNa0RKVKo=; b=xnWJsKM386srnpBoLt1q32CjcIHP0FnqEGcWAbnHvvzCJ6wnXuSik+9juj6FEsGQhP dAaREpTEN2+TPf96JsR3h6xcjPNeHjWIRzZGtb8LFQla330wTzSYM9738OAri/mB8Vb4 MAPDWgdjilzdhSWHFSRYG9RDakmbhwJlfyJTf8nR7Y041nI0k1OD3L6hJeqSYsc1cumL P1UeEpgPHGjPgT5Fdx9Xapmrzm7EHFLvXV2EVddPmbTS3XvmuLSyzuFy3nwoldfik9Gk LRfLzwXFSGkeuRa3Lk4KXjCEEO01Hik71VGepvdkPZVtPFRhUDeCY/Oo90tnRd4yK2Az AWbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=bIK3pDedK2jHWb+EMwthE5gVs/t/Vc27qZvNa0RKVKo=; b=Fp7B1vK6BibVkJQL465HDc5mIXczD76S/409sRGDvqdw79nP9RTWSQ5G6IX0n6ci+C IeiW/o9b1Lyes3zEet2lP5f6KREhnRWbrw9BGHqyMQmfJCYXOce5uQEFABhfIDLBcNvs ke0Q2hNhHAvUFaUoYffoYw47QTThbWOBk2rC/7PsxBp8oc2WsB8YB71eFDkWpbIGtIVS I8UIA4VC9EJfWNjTn2p7XUYN7FQHl5S+mbl+lue/WrdZQulWT4q6uWlHCbHYVg6XtvjY no20XL628fBYUb9cVNnUs+Kof1iUtUCX/ivA/Jyyv5i+IzuFohQ9uQwN3w9NagpfLl68 PcmQ== X-Gm-Message-State: AOAM531K770dDJkg6T98D7pcisC+wgLUSEr/GU320feUtdgrl4ro2BTK soyaXQz0hL1QTgRbt1p6cqBGKw== X-Google-Smtp-Source: ABdhPJxOr+jtXDX8OJnmfCmhqQATgNLnykjttwcDaVFQzOcthkprfdKhUtULiJDGwhjtrcbyRMtghw== X-Received: by 2002:a63:50c:: with SMTP id 12mr3212665pgf.173.1598726087844; Sat, 29 Aug 2020 11:34:47 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id u8sm2647609pju.5.2020.08.29.11.34.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 11:34:47 -0700 (PDT) Subject: Re: [RFC v4 20/70] target/riscv: rvv-1.0: fix address index overflow bug of indexed load/store insns To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-21-frank.chang@sifive.com> From: Richard Henderson Message-ID: Date: Sat, 29 Aug 2020 11:34:45 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200817084955.28793-21-frank.chang@sifive.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::536; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x536.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.809, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no 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: Palmer Dabbelt , Alistair Francis , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/17/20 1:49 AM, frank.chang@sifive.com wrote: > From: Frank Chang > > Replace ETYPE from signed int to unsigned int to prevent index overflow > issue, which would lead to wrong index address. > > Signed-off-by: Frank Chang > --- > target/riscv/vector_helper.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) Reviewed-by: Richard Henderson r~