From patchwork Fri May 17 12:46:56 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 244630 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "localhost", Issuer "www.qmailtoaster.com" (not verified)) by ozlabs.org (Postfix) with ESMTPS id EA2C02C00AB for ; Fri, 17 May 2013 22:47:05 +1000 (EST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:cc:subject:message-id:mime-version:content-type; q=dns; s=default; b=dMf5Tlg38fd1mg+Dk2xfxXpBBWxYpIdU4LkjAZNms6LE/sQtjF aiDwc3a/rpethUk+BgXNW1RLZXPYWyFSByyIZPJkBkraOX0WSHpio7ze5OCvl2Mg fTHsEtem4xL4jnEN7ixbhZ82cHYaVSweO+LHof+0aZ6xcM/CE0m/RR/xs= 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:date :from:to:cc:subject:message-id:mime-version:content-type; s= default; bh=ioDi2jdK9bvRc8FtcObnXOmAShY=; b=AaHMumGFM7mOCKLd+8I3 IgDPhz4YFKRMN2Brbh3EwUjS42QqGQKw1IbLhoEitoc6DPUnKxwvDHQv+sA19q/M 9oHsDQB2IlxTOB6Q/pciZIU6QLM3qOPi6SpQY+ZJH4UAVUsZsvqejr8nSSoHHqyi XCzUsms31O57BgvusYPWv4A= Received: (qmail 23376 invoked by alias); 17 May 2013 12:46:58 -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 23363 invoked by uid 89); 17 May 2013 12:46:58 -0000 X-Spam-SWARE-Status: No, score=-3.8 required=5.0 tests=AWL, BAYES_00, RP_MATCHES_RCVD autolearn=ham version=3.3.1 Received: from cantor2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Fri, 17 May 2013 12:46:58 +0000 Received: from relay1.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 17D30A4EB7; Fri, 17 May 2013 14:46:56 +0200 (CEST) Date: Fri, 17 May 2013 14:46:56 +0200 (CEST) From: Richard Biener To: gcc-patches@gcc.gnu.org Cc: Jakub Jelinek Subject: [PATCH] Fix typo in stmt_kills_ref_p_1 Message-ID: User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 stmt_kills_ref_p_1 wants to compare MEM_REF offset but compares the pointers instead (which are previously compared as equal). This breaks my fix for PR57303. Fixed thus, applied as obvious. Richard. 2013-05-17 Richard Biener * tree-ssa-alias.c (stmt_kills_ref_p_1): Properly compare MEM_REF offsets. Index: gcc/tree-ssa-alias.c =================================================================== --- gcc/tree-ssa-alias.c (revision 199004) +++ gcc/tree-ssa-alias.c (working copy) @@ -2002,8 +2002,8 @@ stmt_kills_ref_p_1 (gimple stmt, ao_ref if (TREE_CODE (base) == MEM_REF && TREE_CODE (ref->base) == MEM_REF && TREE_OPERAND (base, 0) == TREE_OPERAND (ref->base, 0)) { - if (!tree_int_cst_equal (TREE_OPERAND (base, 0), - TREE_OPERAND (ref->base, 0))) + if (!tree_int_cst_equal (TREE_OPERAND (base, 1), + TREE_OPERAND (ref->base, 1))) { double_int off1 = mem_ref_offset (base); off1 = off1.lshift (BITS_PER_UNIT == 8