From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by sourceware.org (Postfix) with ESMTP id 89D583858D37 for ; Thu, 20 Apr 2023 09:22:46 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 89D583858D37 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 134591480; Thu, 20 Apr 2023 02:23:30 -0700 (PDT) Received: from localhost (e121540-lin.manchester.arm.com [10.32.110.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9471D3F5A1; Thu, 20 Apr 2023 02:22:45 -0700 (PDT) From: Richard Sandiford To: "juzhe.zhong\@rivai.ai" Mail-Followup-To: "juzhe.zhong\@rivai.ai" ,gcc-patches , rguenther , jeffreyalaw , richard.sandiford@arm.com Cc: gcc-patches , rguenther , jeffreyalaw Subject: Re: [PATCH] VECT: Add WHILE_LEN pattern for decrement IV support for auto-vectorization References: <20230407014741.139387-1-juzhe.zhong@rivai.ai> <5B48D6D344CE6158+202304200553419571591@rivai.ai> <0AAC8392021A279F+2023042016574579562748@rivai.ai> Date: Thu, 20 Apr 2023 10:22:44 +0100 In-Reply-To: (juzhe's message of "Thu, 20 Apr 2023 17:19:09 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-23.6 required=5.0 tests=BAYES_00,KAM_DMARC_NONE,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,KAM_LINKBAIT,SPF_HELO_NONE,SPF_NONE,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: "juzhe.zhong@rivai.ai" writes: > OK. Thanks Richard. > So let me conclude: > 1. Community agree that I should support variable IV in the middle-end. > 2. We can keep WHILE_LEN pattern when "not only final iteration is partial". > And I should describe it more clearly in the doc. > > I should do these 2 things in the later update patch. Sounds good to me, but Richi is the maintainer. Thanks, Richard