From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x22e.google.com (mail-lj1-x22e.google.com [IPv6:2a00:1450:4864:20::22e]) by sourceware.org (Postfix) with ESMTPS id 518583858D3C for ; Thu, 15 Jun 2023 09:20:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 518583858D3C 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-lj1-x22e.google.com with SMTP id 38308e7fff4ca-2b34e133f5aso20040401fa.3 for ; Thu, 15 Jun 2023 02:20:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686820821; x=1689412821; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:cc:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=g78Tnb67vVvrvpMNZd3vtZiL9tAHkxiFhTYndOcYjp0=; b=VZeFaGPm8ooAAg+X5UrBVy8Zm28EaZz314zzZuxm8urgObjtQjGwHee6/mwNPCQjhn sGEgsaBigvF5hiZ6LQJQ9nUzMH9Nso24nxTFKj3/uLQ5vTntPcdnUWSq+HW5aExoVr+y 3jcms/x3pmqw0QXkmGPzA3Fx0xFlALzXeJ/aoVn56qjoRpN5zqHmvW5otMguDkr8JlCh N9/ZW5DJM7wJgGL51ZU1zFeJJTzurK2y6+gSv2e6RgIo4/1czt/wGLoW9UheZ+9vw/DT TxrQpj8+NE99YzqiaYlEpqYyUWcD0+3lzqZs2WRX1Y+FRg4szqspTtRZpOBAOLPoQHvc zl7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686820821; x=1689412821; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:cc:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=g78Tnb67vVvrvpMNZd3vtZiL9tAHkxiFhTYndOcYjp0=; b=V/QAPB8sqYI0i+qOx0zf358D5mCVEpPhEclp9moWRw2u2qljHTKEDqG+Vkbk8JXfyw kcTOvJz7Hi3gs8EXHmPHZaft8lv4fu7P5p3rKG3BTL7vZ5YmmCTu/poTY9lN4t/wvwzL IH8mYTvHMjznfinjytZlO++7BZGapKanijA8/1Pk9fNzPx8W+im2NlkXhuvmRwNz8lPW AHMKnhJ+vgPkllwC9zKKw9uIkIf1zMQ727mmpqlOrwDpAeuBBg4A2hsLT4pwjNyIsmhV a/EATPgmzFM36SqcmUGx7KgZHVsvnSPmSOrpsfwWhUawNwurd+uaoXphyYpdUpJwaaVB ffsw== X-Gm-Message-State: AC+VfDyrUwa1PArU4CgrxT+lTzvhH9EhiLeLb29W6ywyPr+dOjBF+G2T dsF1+STsvrWuk+xEztVkjYw= X-Google-Smtp-Source: ACHHUZ7fVU3Sr4xiRwhO56sYhHm2Rm0pDa2mMBlZxwQRI3LxwrIRc0hknG2Ow1PMK1kSnw9sX9Lhhw== X-Received: by 2002:a2e:9ad0:0:b0:2b2:1373:2377 with SMTP id p16-20020a2e9ad0000000b002b213732377mr8264519ljj.35.1686820820403; Thu, 15 Jun 2023 02:20:20 -0700 (PDT) Received: from [192.168.1.23] (ip-046-005-130-086.um12.pools.vodafone-ip.de. [46.5.130.86]) by smtp.gmail.com with ESMTPSA id v26-20020aa7dbda000000b0050cc4461fc5sm8628714edt.92.2023.06.15.02.20.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Jun 2023 02:20:19 -0700 (PDT) Message-ID: <55ce4c17-6ddc-6645-4f74-28cfaf97f475@gmail.com> Date: Thu, 15 Jun 2023 11:20:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Cc: rdapp.gcc@gmail.com, "juzhe.zhong@rivai.ai" , gcc-patches , "richard.sandiford" , krebbel , uweigand , linkw@linux.ibm.com Subject: Re: [PATCH V2] VECT: Support LEN_MASK_ LOAD/STORE to support flow control for length loop control Content-Language: en-US To: Richard Biener References: <20230612041438.272885-1-juzhe.zhong@rivai.ai> <1A27F1FE56A91998+2023061516473052116877@rivai.ai> <7e31f226-476a-75d1-6a0f-13fa9134e311@gmail.com> <93123844-a2a8-90ab-d47a-6f859fb3a8d6@gmail.com> From: Robin Dapp In-Reply-To: <93123844-a2a8-90ab-d47a-6f859fb3a8d6@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.4 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 6/15/23 11:18, Robin Dapp wrote: >> Meh, PoP is now behind a paywall, trying to get through ... I wonder >> if there's a nice online html documenting the s390 len_load/store >> instructions to better understand the need for the bias. This is z16, but obviously no changes for vll/vstl: https://publibfp.dhe.ibm.com/epubs/pdf/a227832d.pdf Regards Robin