From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpbgsg1.qq.com (smtpbgsg1.qq.com [54.254.200.92]) by sourceware.org (Postfix) with ESMTPS id 0F85F3858D38 for ; Thu, 9 Nov 2023 09:54:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0F85F3858D38 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivai.ai Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivai.ai ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 0F85F3858D38 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=54.254.200.92 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699523662; cv=none; b=V8A4clrfCi7r3bXdhdtD3szZliaTbKUULpnPWgXG3UVO6MimM+Goes2v+W5lhDuSwCv05mNZDJx0oQ8j+2MXOBHRbDiHoy0IIt1gF0ZuGUIU9RLEUTYFpSMOpkQqSl246Pt+/eLdiPIFORXbZ7AnuzjYvASQEqA+nqOKoia6VEA= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699523662; c=relaxed/simple; bh=yjZnYVGqexAUsOARko9AOGuyIpNU6I2a7bn2lM0/D3w=; h=Message-ID:Date:MIME-Version:Subject:To:From; b=oLXLo+ayAjtYbDv1h9y9u8zOzLV3Jwc/tOC6t1dbBPFjnQua+Auuva6n/01uQ86A0yCX4brpKSPjsUzF0F9uWjtw3e28KAqko3+zxr9akklW4QKk5QRKoDb/k9yaNkURyWWMkMUm4VoS0DTtwyEbJx4JYb69Yo9hZZx83ItUMfg= ARC-Authentication-Results: i=1; server2.sourceware.org X-QQ-mid: bizesmtp85t1699523645tb3i81vr Received: from [10.101.11.9] ( [121.35.180.247]) by bizesmtp.qq.com (ESMTP) with id ; Thu, 09 Nov 2023 17:54:04 +0800 (CST) X-QQ-SSF: 01400000000000C0F000000A0000000 X-QQ-FEAT: xqT8U4SkSph61rUy7Ane5dJvST1X2Wq+EZULSxb/3STuhHX6RD6iEUPIq+1vK CDMUgNrxtxIZfGycrzW3lveeaencvraaGLj8IK4+fXTau4sRBIBOSnsCplughQWPJ/EWoO/ 07cErG6II0Hha+5h491JUfPZOzm8tPChluvTyy0WQs67FHQE8z3TvNZbaPyc+sR8auHkUhr 8dh25CxW24SUkDCv256XBgLyepp4UgLgylCptffuw3sg0yq0pbu97hKfZ0O/tjTC4JlitGb 8W3YN5FzaBzqJ+So+qS5xW/p8mcV2Pbl9yz3C0VLK05jLrvPf69JeCIs5zKzIJfZb5+UYD2 sjnaZtIuT3Hwnq/OLnVuEJUHAcQaRXbRzl4MgSNaq/3+tOPJ2pMK8ok1rhJig== X-QQ-GoodBg: 2 X-BIZMAIL-ID: 6530063709070419905 Message-ID: <37AD47886FA44ECB+7705d96d-e8c1-40bf-a501-be03a4d85c77@rivai.ai> Date: Thu, 9 Nov 2023 17:54:04 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] RISC-V: Removed unnecessary sign-extend for vsetvl Content-Language: en-US To: Kito Cheng Cc: "juzhe.zhong" , "gcc-patches@gcc.gnu.org" , "rdapp.gcc@gmail.com" , "palmer@rivosinc.com" , "jeffreyalaw@gmail.com" References: <20231108132725.1331224-1-lehua.ding@rivai.ai> <273AD3EA5CCC79C0+09716C0F-7900-43BD-A3B8-EFE0D3FF3249@rivai.ai> <4935E32997844FA0+0670fc45-4dbf-49b7-ae09-31b10a12c915@rivai.ai> From: Lehua Ding In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:rivai.ai:qybglogicsvrgz:qybglogicsvrgz6a-0 X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00,FORGED_MUA_MOZILLA,KAM_DMARC_STATUS,RCVD_IN_BARRACUDACENTRAL,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,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: Hi Kito, On 2023/11/9 17:21, Kito Cheng wrote: > Should we need a zero-ext version as well? It's not needed at the moment, since the sign_extend is currently used for both int32_t and uint32_t. I can't find a case where zero_extend would occur. -- Best, Lehua (RiVAI) lehua.ding@rivai.ai