From patchwork Tue Apr 30 19:05:08 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cary Coutant X-Patchwork-Id: 240681 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 1FC7D2C00BA for ; Wed, 1 May 2013 05:05:17 +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 :mime-version:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; q=dns; s=default; b=rLOgU7ee177f7O9kRw K2IF3Kzw16YFwaRoW821J1LCWWZcV42ehJJWlxEIzsu2edBX1x9UKyaWcyMvAoJ7 GntfjBg48luKsF+PthzWyndO2VCIzLuSo10AYnzydkQ0zO/KU9kOnNhqgjNIhjeK D6dTPjTzNMgHj+uTG8xJPECLw= 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 :mime-version:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; s=default; bh=bkK7XgjOiEWW1/HcY5uUvZU5 w7I=; b=sgFt/WI92APv0DBnRNus7OLbQa97fM2WpwBbdd0qOmEebKiix24BrquN iSNuq0kAzQbSVXJ/5vreZ6KzqRD6xPfTOfyju/gcjMpsBb7E+GIS/T2ZSFgL1Qz+ LG/Pnggtiuishbmbir0tVdF++lR6+l31FKmA4AiwLeKJBdKVPRY= Received: (qmail 17025 invoked by alias); 30 Apr 2013 19:05:11 -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 17015 invoked by uid 89); 30 Apr 2013 19:05:10 -0000 X-Spam-SWARE-Status: No, score=-5.2 required=5.0 tests=AWL, BAYES_00, KHOP_THREADED, RCVD_IN_DNSWL_LOW, RCVD_IN_HOSTKARMA_YE, RP_MATCHES_RCVD, SPF_PASS autolearn=ham version=3.3.1 Received: from mail-pb0-f49.google.com (HELO mail-pb0-f49.google.com) (209.85.160.49) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Tue, 30 Apr 2013 19:05:09 +0000 Received: by mail-pb0-f49.google.com with SMTP id rp8so400943pbb.8 for ; Tue, 30 Apr 2013 12:05:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:x-gm-message-state; bh=SPhbAbWq/CKkPl9gpG0Kjgc6JNWzq1uk8jx2A/qJyPM=; b=GgCUJqvM85gU8oQX7k36iILG1xol/lg4kLdyF3JKFUC+1omHdmLo3DYRtrFxWY557H 3AWo8mgC//NKBJHas8ZfDcfc3/wnK0Abrv6C/7gRYTuA6yHtcz2W82tCewZ4MGmWvZO0 HaAnaiMZOLrr0O9WHWREiz3MV6cJB+e6NKMSTOlSRoZe1wu+dy2LwcmLTTA1LDXoyz+s LYxj39DMcKe4Ighy/xUQHxLdPO8+qLs6Jp+fU205+a+akYvzSG19D1KvYtRQL04tPC+6 TppW3ktyOr6kPn/64Wmln+JHxgE/d7jo6qwT4qX4+7gPbDa6UiZH4JA9jvh2RwPoJEJB qTIA== MIME-Version: 1.0 X-Received: by 10.66.67.46 with SMTP id k14mr181793pat.199.1367348708147; Tue, 30 Apr 2013 12:05:08 -0700 (PDT) Received: by 10.68.242.70 with HTTP; Tue, 30 Apr 2013 12:05:08 -0700 (PDT) In-Reply-To: <517E33C1.5020809@st.com> References: <517E33C1.5020809@st.com> Date: Tue, 30 Apr 2013 12:05:08 -0700 Message-ID: Subject: Re: [DWARF] Fix multiple register spanning location. From: Cary Coutant To: Christian Bruel Cc: "gcc-patches@gcc.gnu.org" , Jason Merrill X-Gm-Message-State: ALoCoQkeO1K0cpu9w33x4kMYD4lb5hEpsRNYgKJ5R1KEDZ65DKT5rA76lZOLJvxdAhBcfMdzEqtwGSsPliIgC2gGz6HBtrkhWuBCkQW0cnf4g32BMEYNA7PWcRxImnn4Wk5ixw9aC83TFVHsDeH8LCChTmqAL0/UxDB7LHqyCT/7p4VbCWGhDoPz/OTBWsRenGNfqc08/277 2013-04-26 Christian Bruel * dwarf2out.c (multiple_reg_loc_descriptor): Use DBX_REGISTER_NUMBER for spaning registers. s/spaning/spanning/ How about using dbx_reg_number (XVECEXP (regs, 0, i)) instead? The bare use of DBX_REGISTER_NUMBER earlier in that function is protected by a gcc_assert, but this one isn't. -cary Index: dwarf2out.c =================================================================== --- dwarf2out.c (revision 198287) +++ dwarf2out.c (working copy) @@ -10656,7 +10656,8 @@ multiple_reg_loc_descriptor (rtx rtl, rtx regs, { dw_loc_descr_ref t; - t = one_reg_loc_descriptor (REGNO (XVECEXP (regs, 0, i)), + reg = REGNO (XVECEXP (regs, 0, i)); + t = one_reg_loc_descriptor (DBX_REGISTER_NUMBER (reg), VAR_INIT_STATUS_INITIALIZED); add_loc_descr (&loc_result, t); size = GET_MODE_SIZE (GET_MODE (XVECEXP (regs, 0, 0)));