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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A6E4C433EF for ; Wed, 10 Nov 2021 10:19:48 +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 022F461168 for ; Wed, 10 Nov 2021 10:19:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 022F461168 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:60048 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkkhn-0008B4-7B for qemu-devel@archiver.kernel.org; Wed, 10 Nov 2021 05:19:47 -0500 Received: from eggs.gnu.org ([209.51.188.92]:35448) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkkh2-0007OL-Kn for qemu-devel@nongnu.org; Wed, 10 Nov 2021 05:19:00 -0500 Received: from [2a00:1450:4864:20::32b] (port=40672 helo=mail-wm1-x32b.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mkkh0-0004Ao-Th for qemu-devel@nongnu.org; Wed, 10 Nov 2021 05:19:00 -0500 Received: by mail-wm1-x32b.google.com with SMTP id az33-20020a05600c602100b00333472fef04so3433769wmb.5 for ; Wed, 10 Nov 2021 02:18:58 -0800 (PST) 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=s9L95GC+sQ97RM6iP3+cTQRWNeOxAm2i2hF+cRSAy1I=; b=PL6pCHSEDiax81DuDkktkxHSq6kvgihm9ti8XVshdIoFTncE4KHm4VpndfhOBMDyYe iUjaVVVhJizVxNgl8yLzqSBIlHUTy0qY0YK5zVrDkNXdp3T/jGgXMfuPQnV18WY5ktiT dJPwbTqXdB5BW/VdKjOrll77Xv17a8wTx00wEK6JNLDMkfelM6S3znWDrewrK1gi+qET lv+LxDmb1Pj9ItCFazwNdwC1y8SLQxN0kf6kkgeBpTLBsQWGot2rlP/vy7plNg/goX5F zFanrNcebEIc2GTqasNqsFIwq6HtZqqkNK8TvzVg711tuzvNpoL7JvRCq6F997Pr8ph7 oltw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=s9L95GC+sQ97RM6iP3+cTQRWNeOxAm2i2hF+cRSAy1I=; b=TQ1nLMb1wDXAkKNV0ixT+5gUZ3Jm9VzmMNkhI5q9LhyB4Nrdejk0ax3hmDYdW6HKCI UHGvu3qOvvDCLp/jMrfcC413TaFJm40w3P5sGZ8ccw3iJhuOqxY0jmUAKSHUC0iTtu9c TdpZcNL28Rmo6blmKF/Fvl34M42qRJBpAOANW0RKzzp+GUvWqfo8GZjh52/8fKuPeoCe LaFlDz+B0yYdG3zG9gSpPpNKNLUo5WvaoSxIGbA87fPuhxV3IESGLnWkTgePkC12jaiS 3zfIHDHBAPwOBjbMhK+eQ25KMYA/eLux1Cz/XwSIzico8STafe649Avl49P/1nUo9aCk 8Rwg== X-Gm-Message-State: AOAM533044sWXSosM338bpYIgbM25uwQ/2gs7IPGtgjQssnOahbEUg9+ lUPBV/qhZjptDTKhLzxEMmFHZg== X-Google-Smtp-Source: ABdhPJzcbkhyOAi54nwZOyJ7K0V+DQRdhu+o8VXwdofcRY00EN7ZTIHAuOTNsbKDl7zIszzvYD9ZGA== X-Received: by 2002:a05:600c:4982:: with SMTP id h2mr15258617wmp.4.1636539536972; Wed, 10 Nov 2021 02:18:56 -0800 (PST) Received: from [192.168.8.106] (104.red-2-142-241.dynamicip.rima-tde.net. [2.142.241.104]) by smtp.gmail.com with ESMTPSA id a1sm26370437wri.89.2021.11.10.02.18.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Nov 2021 02:18:56 -0800 (PST) Subject: Re: [PATCH v2 01/14] target/riscv: Sign extend pc for different XLEN To: LIU Zhiwei , qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20211110070452.48539-1-zhiwei_liu@c-sky.com> <20211110070452.48539-2-zhiwei_liu@c-sky.com> From: Richard Henderson Message-ID: <62d2206d-664b-156b-b23a-74d9d13664f8@linaro.org> Date: Wed, 10 Nov 2021 11:18:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211110070452.48539-2-zhiwei_liu@c-sky.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::32b (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32b.google.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 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=-1.678, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: palmer@dabbelt.com, bin.meng@windriver.com, Alistair.Francis@wdc.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11/10/21 8:04 AM, LIU Zhiwei wrote: > When pc is written, it is sign-extended to fill the widest supported XLEN. > > Signed-off-by: LIU Zhiwei > --- > target/riscv/translate.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) Reviewed-by: Richard Henderson r~