From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by sourceware.org (Postfix) with ESMTPS id DA7C33858D20 for ; Fri, 21 Apr 2023 20:32:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DA7C33858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pl1-x630.google.com with SMTP id d9443c01a7336-1a92513abebso28886025ad.2 for ; Fri, 21 Apr 2023 13:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682109141; x=1684701141; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=9ivRssatGx0jpY5ETZmlq+FJumogIUlsjdFGvAnOonQ=; b=IEjF53JF9kxqxJIR5hCQ1/u193VZaMfXJlLD5PeVmwQIO9mgcIeV7T8+wSglnyoWfn 7bBEZUiTVltWpahSPFJ1g2vXhPox3ihChc5OqH559txMnjVrCkBn5NVKskJCQv4sBXZC 8ClXCUZ4uMuy6xSHBU9niB1t6q7cIBz40PRBkQUkG/bPjwVvl5ZDba0PxvIpDRVoplnK OjhQQuafO1CL7ZDVZh2XRZXNBPz/M7Mv1LgrfcYQItRpSJt9lJXIoRn+GtF3nlwRl/nd JR2j8M+sf9C6EwNF8s1Qf5uqIwIyjUoQVnMaVwdznya2QHwGT9kLRGJHPw2VLKWPbtq/ Kefw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682109141; x=1684701141; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9ivRssatGx0jpY5ETZmlq+FJumogIUlsjdFGvAnOonQ=; b=mFGCfc2QDYXsCuGBmQaPkeSKSbR8Vl2VjO2B6qIJiBQF2GbI2jJVvs8U3lFvRNuj8H N81aWSFLlc4xvqdi2hmi1r9l1psP2jQdPiJZvJZlzOBjlTAZ5di0JrhDWJAtjVCzJ4px slg5Yj4GdiBSwy32I801LPmull0VIFGpAN2HrSpRfAXAo6SNXhngQsb46A2COemfxUQ/ VYLNNsV1gxSWGOw3+tNNmY9VEoFuYG05/XY/gjG8TYue0fDARwmU3jRBg4pDEX+rzVHh y2ycwJOeSvh4HJ2XAZ6gcdz0XD/CkqIRrSPj0ZmzkrHJfaXx1xhuAIUg+MiYzpts4FIQ sqRw== X-Gm-Message-State: AAQBX9en+R2t9ypF/tfoMg+PX7w44Z6tmZa0P8JCWx7dPDTqM//hUm7m L5LAIPvYgxFTNmMcQrZu1NY= X-Google-Smtp-Source: AKy350ZoEbvfyxE4y28SIsSRxkuz1Hc6fcqbN7b/c6yEO7SL3WX1fSokko50uNuRd0BDHABgeocqLg== X-Received: by 2002:a17:902:c40a:b0:1a8:150f:bdc9 with SMTP id k10-20020a170902c40a00b001a8150fbdc9mr9066227plk.57.1682109140653; Fri, 21 Apr 2023 13:32:20 -0700 (PDT) Received: from ?IPV6:2601:681:8600:13d0::99f? ([2601:681:8600:13d0::99f]) by smtp.gmail.com with ESMTPSA id g5-20020a170902c38500b00198f36a8941sm3078768plg.221.2023.04.21.13.32.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 Apr 2023 13:32:20 -0700 (PDT) Message-ID: <61ad075c-49b1-2973-804d-995ffc55a82e@gmail.com> Date: Fri, 21 Apr 2023 14:32:19 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [PATCH] RISC-V: Refine reduction RA constraint according to RVV ISA Content-Language: en-US To: juzhe.zhong@rivai.ai, gcc-patches@gcc.gnu.org Cc: kito.cheng@gmail.com References: <20230313090540.335536-1-juzhe.zhong@rivai.ai> From: Jeff Law In-Reply-To: <20230313090540.335536-1-juzhe.zhong@rivai.ai> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,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: On 3/13/23 03:05, juzhe.zhong@rivai.ai wrote: > From: Ju-Zhe Zhong > > According to RVV ISA: > 14. Vector Reduction Operations > > "The destination vector register can overlap the source operands, including the mask register." > > gcc/ChangeLog: > > * config/riscv/vector.md: Refine RA constraint. OK. Go ahead and install this on the trunk. jeff