From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by sourceware.org (Postfix) with ESMTPS id 881633858D37 for ; Fri, 3 Nov 2023 09:03:51 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 881633858D37 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 881633858D37 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a00:1450:4864:20::636 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699002235; cv=none; b=CKN7dYdGd7+nZM0pPDiTFZFQnfaT/ox+YlHazcrGhAxCM5Pf3nlDZlIDwSFgOLTkq8lGULqMuqiv3jxOxwOaqaJ0d4KYrm8Vt2syqI9lDXC6Krw0ngdtuKhI2ZLR9s4+xMoMGxkRD6HrtLl0u7QHQbZ7AJ5KaAR/2ptXjdoCbW0= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699002235; c=relaxed/simple; bh=/vxNSkv5JYhGpY5UL4tI9p2HMFPiVTqVA6jQEbvIGjU=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=r6UrEgV5KPAOY5RjgUgHJPC7kp8lQRMiTSYQHbh57FLDewUWRZiyQhoKTz9N2dX3V09xtAtz0HYC+kxFqUKMVG35RQrvfuN/QGMhyclu3iCkxswWD4i0vjuZMiX+0JqAXiHnr+aQGWJ7G3FwI1SrlEzdYsjo498c+h6o3MVcosU= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-ej1-x636.google.com with SMTP id a640c23a62f3a-9d23be183c6so291573266b.0 for ; Fri, 03 Nov 2023 02:03:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1699002230; x=1699607030; darn=gcc.gnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:cc:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Ttz3KtrarfVAuitWu/NHrZmvwFRwbfV6DGy7rs7W7xE=; b=Tz0PTwXqkGYeqbOGratghE1l0HSpn+EhxFeGBauGjUVNXjXP+p4e6o6cTDUkHkFB8F vsKmquLpnaY6cipm/tCuIAtm5Sg2V0+ewyoEALFrK+4c70NsPrqxzoDUzxWxeCD556fW jXrYTedLhezqk2JE2atM6mT4IA6mQLW7B8hCxTtnepAeepVbTb8PQEmfUPFInxrPtPEj eLx7KEaYvSarfjnsKa+m+kkVBg6FXrB9shQBYBmRj6UXH7PUj9OHxy2NJ4xBmo39Evl4 zQQoBjVDyYIzNft7gU5CYM81/8FRUiZnX/dZuZ+2qrYj5mxgz9n02DTZ20Dk/A/sifPi AHlQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699002230; x=1699607030; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:cc:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Ttz3KtrarfVAuitWu/NHrZmvwFRwbfV6DGy7rs7W7xE=; b=YwWLw2jymu1IuixW2ACYdPz04eQfQCFQFcdK8d7VR/SPqlV+FxrPZp0dsU0oCwP37C TqkJZGXLorha6AiLaA+L5Fjz+2FqTyPaM8vwg53ZbFBzHAw5wf5SrVEkTUhXz83xa6RR 9gYO6UrXGUopKym9cyxQAhh46Wd98lcZ8ZtgU1BhA5oLDL35Mq1alNTENPZbvtuMA8FK jsI8zQZIdf0PS8XvyilCeJH6x4aQCHHwdTFaLxqjbNYudnmMk1Y5l7SUuEekYfBx4tcC GMhzq1NOHoFF8QQvchyGRop3Bm6ZK4hwRFEXQbVwSMahlq9Nzmhfwas5BU7M5UONXEqy V+8g== X-Gm-Message-State: AOJu0YwoIMGcneH9Le/IMpoICgaMcsrCA0m3vZiZ5OjxDI2hotFk/jQC JjCFE0lcAx++PeR9SpV6gyAW1UOVXEw= X-Google-Smtp-Source: AGHT+IGNp8TUVxL9ZdIw3CY4Fx7y4wGzOjVEU4EsIUhWr5DIzBjOAnvOmey+VRgWQ+xo5GI4OCJ78A== X-Received: by 2002:a17:906:2308:b0:9d7:139:ca03 with SMTP id l8-20020a170906230800b009d70139ca03mr4660264eja.11.1699002230074; Fri, 03 Nov 2023 02:03:50 -0700 (PDT) Received: from [192.168.1.23] (ip-046-223-203-173.um13.pools.vodafone-ip.de. [46.223.203.173]) by smtp.gmail.com with ESMTPSA id go8-20020a1709070d8800b009dd4b2d412fsm226069ejc.36.2023.11.03.02.03.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Nov 2023 02:03:49 -0700 (PDT) Message-ID: <4e5d9e2f-2ae2-493b-9ff9-6af4a895d893@gmail.com> Date: Fri, 3 Nov 2023 10:03:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: rdapp.gcc@gmail.com Subject: Re: [PATCH] internal-fn: Add VCOND_MASK_LEN. To: Richard Biener , gcc-patches , "juzhe.zhong@rivai.ai" , richard.sandiford@arm.com References: <818fe7b8-cb55-49d1-94fa-f929b8cbc5d8@gmail.com> <430d3b7e-acc3-43bb-9d3e-7897aa7d2e83@gmail.com> Content-Language: en-US From: Robin Dapp In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.2 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,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: > Could you explain why a special expansion is needed? (Sorry if you already > have and I missed it, bit overloaded ATM.) What does it do that is > different from what expand_fn_using_insn would do? All it does (in excess) is shuffle the arguments - vcond_mask_len has the mask as third operand similar to vcond_mask while vec_cond has the mask first. I can swap them in the IFN already but when not swapping we will either be inconsistent with vec_cond or with vcond_mask. Regards Robin