From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20379 invoked by alias); 13 Dec 2010 19:20:23 -0000 Received: (qmail 20367 invoked by uid 22791); 13 Dec 2010 19:20:22 -0000 X-SWARE-Spam-Status: No, hits=-1.3 required=5.0 tests=AWL,BAYES_00,MSGID_FROM_MTA_HEADER,SPF_SOFTFAIL,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mtagate1.uk.ibm.com (HELO mtagate1.uk.ibm.com) (194.196.100.161) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 13 Dec 2010 19:20:14 +0000 Received: from d06nrmr1507.portsmouth.uk.ibm.com (d06nrmr1507.portsmouth.uk.ibm.com [9.149.38.233]) by mtagate1.uk.ibm.com (8.13.1/8.13.1) with ESMTP id oBDJKBxi001829 for ; Mon, 13 Dec 2010 19:20:11 GMT Received: from d06av02.portsmouth.uk.ibm.com (d06av02.portsmouth.uk.ibm.com [9.149.37.228]) by d06nrmr1507.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id oBDJKDrf3358956 for ; Mon, 13 Dec 2010 19:20:13 GMT Received: from d06av02.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av02.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id oBDJKBk8009920 for ; Mon, 13 Dec 2010 12:20:11 -0700 Received: from tuxmaker.boeblingen.de.ibm.com (tuxmaker.boeblingen.de.ibm.com [9.152.85.9]) by d06av02.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with SMTP id oBDJK9vl009903; Mon, 13 Dec 2010 12:20:09 -0700 Message-Id: <201012131920.oBDJK9vl009903@d06av02.portsmouth.uk.ibm.com> Received: by tuxmaker.boeblingen.de.ibm.com (sSMTP sendmail emulation); Mon, 13 Dec 2010 20:20:09 +0100 Subject: ARM bootstrap failure (Re: [Ping] [patch 0/3] New macro PREFERRED_RENAME_CLASS) To: yao@codesourcery.com (Yao Qi) Date: Mon, 13 Dec 2010 19:43:00 -0000 From: "Ulrich Weigand" Cc: ebotcazou@adacore.com (Eric Botcazou), gcc-patches@gcc.gnu.org In-Reply-To: <4CF8F991.4080304@codesourcery.com> from "Yao Qi" at Dec 03, 2010 10:07:13 PM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org X-SW-Source: 2010-12/txt/msg01023.txt.bz2 Yao Qi wrote: > +static bool > +check_new_reg_p (int reg, int new_reg, struct du_head *this_head, > + HARD_REG_SET this_unavailable) This function causes a native bootstrap failure on ARM in stage 2: ../../gcc-head/gcc/regrename.c: In function "check_new_reg_p": ../../gcc-head/gcc/regrename.c:312:22: error: unused parameter "reg" [-Werror=unused-parameter] cc1: all warnings being treated as errors This is because "reg" is only used as input to target macros (HARD_REGNO_RENAME_OK, HARD_REGNO_CALL_PART_CLOBBERED), and the ARM versions of those don't actually use that argument. I guess this needs an ATTRIBUTE_UNUSED ... Bye, Ulrich -- Dr. Ulrich Weigand GNU Toolchain for Linux on System z and Cell BE Ulrich.Weigand@de.ibm.com