From patchwork Mon Oct 23 17:28:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Sandiford X-Patchwork-Id: 829494 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-464845-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="uI4JO4vi"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yLNfy0GlMz9t6C for ; Tue, 24 Oct 2017 04:28:57 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=default; b=cE8zWW03YR+ZAOvHgpbbAzi6oqihy F8T103IWgXrbasnrq9CkjzPAZl5QcqFFZFR6Ae/Dgc26LVb6JkhtW6gOJZcAEZw4 MZRF2ninl3lasHDhGa0L7zKysj+eiDZ4ftAcHNX/4N7bcpz1pXgyyEBBFkkImijC NgiEv/y2FGHUMg= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:subject:references:date:in-reply-to:message-id:mime-version :content-type; s=default; bh=5v77ispjBLR+G6dov90N3awWVlM=; b=uI4 JO4viKlggEjKtpBsE69QlEhsn3s8+yJQXfiQwarv36VQFhM/46LEz5j7H7toMNZH Tv5bjBw0vW8vzR6ZIb1JRoEBSlRBII2y1iSwS0QPr50HalwiXvNoSqNtBGWHoMKM 68X0qGD3DQSZiUjeJLFCUM66B942Swh/oQDaymWQ= Received: (qmail 61758 invoked by alias); 23 Oct 2017 17:28:36 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 61653 invoked by uid 89); 23 Oct 2017 17:28:36 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-11.7 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy=069 X-HELO: mail-wm0-f41.google.com Received: from mail-wm0-f41.google.com (HELO mail-wm0-f41.google.com) (74.125.82.41) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 23 Oct 2017 17:28:35 +0000 Received: by mail-wm0-f41.google.com with SMTP id m72so11002622wmc.1 for ; Mon, 23 Oct 2017 10:28:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:mail-followup-to:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=4iH0zE4UBCzqMXsAQACB214ou4RTGc/jgLWm3mR4kp0=; b=rv4O1/SPrx7eZkQ6hpk7OFFHmHtC9OHztqJeTyzgrdpo9r1+lgCLhgSR/z0xaYgRNL 8O8Yz07YANlYiUoTaFP4EMOiVCfrgOb2LXSHSGJU0CMxvcn42XqPNlqJYrn1iAkrzvCy PyT9H7mfqDFYOROIoOB0YekdAc1WN8wi6YtDysc3Ye/jmBIxQVpFzmrRjSCGTHlkSEzq v2aDveBYog3GM55Ur0oA8Ha6maBERGHusHteZG1XIgYnDFJnsrwe6PCZGz6SdwWVyYRM xMZQZunW+3XSiy4e6xvr8zhRufbC9Uf5ZbHf6h7vF2Yv3oZue1NpRJwgddAOyxVOofq3 dtBw== X-Gm-Message-State: AMCzsaUfTKWDGmnd74qcFS20aRvyy8ff0l2rLWUwSxAcM5aO95QSfBUI Gw8NeCVAJKE/wnRc/ee8llHJAwx7/Og= X-Google-Smtp-Source: ABhQp+Tn/r5TBlb7SJzK4KwsjAwNYJxkHTOxyZfBIujSEtFbPvIrZ0OpxHPBT27ccrLyjstR1DtI/w== X-Received: by 10.28.167.130 with SMTP id q124mr5746423wme.136.1508779712975; Mon, 23 Oct 2017 10:28:32 -0700 (PDT) Received: from localhost ([2.26.27.199]) by smtp.gmail.com with ESMTPSA id t18sm327237wrg.49.2017.10.23.10.28.32 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 23 Oct 2017 10:28:32 -0700 (PDT) From: Richard Sandiford To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@linaro.org Subject: [069/nnn] poly_int: vector_alignment_reachable_p References: <871sltvm7r.fsf@linaro.org> Date: Mon, 23 Oct 2017 18:28:31 +0100 In-Reply-To: <871sltvm7r.fsf@linaro.org> (Richard Sandiford's message of "Mon, 23 Oct 2017 17:54:32 +0100") Message-ID: <87lgk1ixj4.fsf@linaro.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 This patch makes vector_alignment_reachable_p cope with variable-length vectors. 2017-10-23 Richard Sandiford Alan Hayward David Sherwood gcc/ * tree-vect-data-refs.c (vector_alignment_reachable_p): Treat the number of units as polynomial. Index: gcc/tree-vect-data-refs.c =================================================================== --- gcc/tree-vect-data-refs.c 2017-10-23 17:22:26.571498977 +0100 +++ gcc/tree-vect-data-refs.c 2017-10-23 17:22:34.681024458 +0100 @@ -1153,16 +1153,17 @@ vector_alignment_reachable_p (struct dat the prolog loop ({VF - misalignment}), is a multiple of the number of the interleaved accesses. */ int elem_size, mis_in_elements; - int nelements = TYPE_VECTOR_SUBPARTS (vectype); /* FORNOW: handle only known alignment. */ if (!known_alignment_for_access_p (dr)) return false; - elem_size = GET_MODE_SIZE (TYPE_MODE (vectype)) / nelements; + poly_uint64 nelements = TYPE_VECTOR_SUBPARTS (vectype); + poly_uint64 vector_size = GET_MODE_SIZE (TYPE_MODE (vectype)); + elem_size = vector_element_size (vector_size, nelements); mis_in_elements = DR_MISALIGNMENT (dr) / elem_size; - if ((nelements - mis_in_elements) % GROUP_SIZE (stmt_info)) + if (!multiple_p (nelements - mis_in_elements, GROUP_SIZE (stmt_info))) return false; }