From patchwork Fri Jan 14 18:42:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Sandiford X-Patchwork-Id: 1580251 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.a=rsa-sha256 header.s=default header.b=Ml+3X1hO; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4Jb9DD2jxcz9sSs for ; Sat, 15 Jan 2022 05:43:22 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id AD5D0385043B for ; Fri, 14 Jan 2022 18:43:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AD5D0385043B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1642185800; bh=lW82sNi1dJsNa/N/3KADxirb/XK+GoRwyK+EXcSqnnY=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=Ml+3X1hOdOln6izn58og6/yjaSQfRbf3s5oothGvEczssPlbUT26f8x89uKhfBvdE rhKLZJ0ivV/q+ufJA34F4jy4rnUgajAVkA4LAtffgC1rvhZozA1v9yTFwr+EIK675X R0l7RxX233liD3NzcFa7mNdMPJrdJFqC8oSIJR+8= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by sourceware.org (Postfix) with ESMTP id C3A6F383600D for ; Fri, 14 Jan 2022 18:42:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org C3A6F383600D 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 557FDED1 for ; Fri, 14 Jan 2022 10:42:55 -0800 (PST) Received: from localhost (unknown [10.32.98.88]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EF4453F766 for ; Fri, 14 Jan 2022 10:42:54 -0800 (PST) To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@arm.com Subject: [pushed] vect: Fix uninitialised variable PR104026 Date: Fri, 14 Jan 2022 18:42:53 +0000 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_NUMSUBJECT, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Richard Sandiford via Gcc-patches From: Richard Sandiford Reply-To: Richard Sandiford Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" As noted by Tobias in the PR, the loop_vec_info constructor wasn't initializing the new partial_load_store_bias field. Tested on aarch64-linux-gnu and pushed as obvious. Richard gcc/ PR middle-end/104026 * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Initialize partial_load_store_bias. --- gcc/tree-vect-loop.c | 1 + 1 file changed, 1 insertion(+) diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 1dbdb9e5fa0..f1410b03fb3 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -846,6 +846,7 @@ _loop_vec_info::_loop_vec_info (class loop *loop_in, vec_info_shared *shared) can_use_partial_vectors_p (param_vect_partial_vector_usage != 0), using_partial_vectors_p (false), epil_using_partial_vectors_p (false), + partial_load_store_bias (0), peeling_for_gaps (false), peeling_for_niter (false), no_data_dependencies (false),