From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vs1-xe31.google.com (mail-vs1-xe31.google.com [IPv6:2607:f8b0:4864:20::e31]) by sourceware.org (Postfix) with ESMTPS id E6C8E385843D for ; Fri, 24 Feb 2023 04:04:30 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E6C8E385843D 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-vs1-xe31.google.com with SMTP id f13so15407537vsg.6 for ; Thu, 23 Feb 2023 20:04:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=whU2r1dqAFkuHrWizjdQS+Q9qecljvb9qzZbktxmjq4=; b=CTAoI0VRBfR0gBDHfMAZat0+S9UTT1F9xSigEg1f5yKlegrfp/kgR8Bq6JtxaF98nZ qFv3D4v2gnJuLX3NBuj/sA921FQI5L5T1mDBSc7gfnZlXDS/ETcT7ODsafKYbWuZ8scE aLvHuzLKt+K4WK/Inbf5SgLLKGeCFURjw+F7XCd94LvBjl3Q9sfiJlK8w1OlqBj1ysjP qnF3TCAwGgIdIpwFPp2d7Qcxhx/OslkcI7GppiHl5v2Pqa5xZ1utL3eHhDpBTTbzLuEK 2jUWjQIjimB303Ddcu43w+6axCKESFnqcqFmkj2m52soxxS4QZyRexLgfqiQvrhWZdLJ c1PQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=whU2r1dqAFkuHrWizjdQS+Q9qecljvb9qzZbktxmjq4=; b=lpmd6CxhULESeoaw4/AJvatcFnQqp8HeF3L4kRea+F4t+YQlcYExx6Utj4LPvb46P0 EjovtXrSqFA9PkomzK2SVHJdUWI0+8COBglspQvo0vL3VPM61z1ZdcDHtwc3oRuyYE+n 8FlBeI3bAM4Rgb9gkIsG8bApX29LWlbK4g+h6wW3C8wYXOF/iHGqkRDLP39wM1UKlnY1 tqII4el6dcd23Nd4ELOhDOtW9ZwsoJW4Do4eiMUrZSAo4c5pYhQViZqhDb/LBtlh8YkO N1zQ9OZFUNBk8hyBy3g+7lDPsJhU+1l/GiFzcWVILK24o69dSNrHPPg0+u8QnZEHADRp k4mg== X-Gm-Message-State: AO0yUKV/P5k5FBR/0ZVR6eQovLjp+h9Pe45QLvzahxAk2YvbfqCrLA41 +cLK2JQzxpJmEKP74YN8UzdAwXButNy0XFAXHDE= X-Google-Smtp-Source: AK7set+kUp1plsJsNNm/tlhhF4fw9q7EfqD8gt0UdZreBov5Lyl1QSROcw+vFi438GdGkJhe9IV2cRtaRO3BrImSOBg= X-Received: by 2002:ab0:53d5:0:b0:68a:5c52:7f2b with SMTP id l21-20020ab053d5000000b0068a5c527f2bmr3821108uaa.1.1677211470071; Thu, 23 Feb 2023 20:04:30 -0800 (PST) MIME-Version: 1.0 References: <69622113-9b9f-f93d-b89d-0783b95bbfcb@gmail.com> <71276340-3acc-c700-d7b5-3f388442295b@rivosinc.com> In-Reply-To: From: Kito Cheng Date: Fri, 24 Feb 2023 12:04:18 +0800 Message-ID: Subject: Re: [PATCH] vect: Check that vector factor is a compile-time constant To: Jeff Law Cc: Michael Collison , juzhe.zhong@rivai.ai, gcc-patches , "kito.cheng" , "richard.sandiford" , "richard.guenther" Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP 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: Hi Jeff: > What I'd been planning to do internally at Ventana was to update our > codebase to gcc-13 once it's released. Then I'd backport RVV autovec > work from the gcc-14 dev tree into that Ventana branch. > > Instead, but along the same lines, we could have a public gcc-13 based > branch which follows that same process and where Rivos, SiFive, Rivai, > Ventana (and potentially others with an interest in this space) could > collaborate. Essentially it'd be gcc-13 + RVV autovec support. We'd > probably have to hash out a bit of policy with the shared branch, but > I'd like to think we could make it work. +1, I like the idea, I could imagine we definitely will do the same work more than four times by different companies if we don't have a collaboration branch... > > Thoughts? > > jeff >