From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12735 invoked by alias); 8 Oct 2003 17:26:35 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 12714 invoked from network); 8 Oct 2003 17:26:34 -0000 Received: from unknown (HELO hiauly1.hia.nrc.ca) (132.246.100.193) by sources.redhat.com with SMTP; 8 Oct 2003 17:26:34 -0000 Received: from hiauly1.hia.nrc.ca (hiauly1.hia.nrc.ca [127.0.0.1] (may be forged)) by hiauly1.hia.nrc.ca (8.12.9-20030917/8.12.9) with ESMTP id h98HQSDF018990; Wed, 8 Oct 2003 13:26:28 -0400 (EDT) Received: (from dave@localhost) by hiauly1.hia.nrc.ca (8.12.9-20030917/8.12.9/Submit) id h98HQR2s018989; Wed, 8 Oct 2003 13:26:27 -0400 (EDT) Message-Id: <200310081726.h98HQR2s018989@hiauly1.hia.nrc.ca> Subject: Re: Someone broke bootstrap To: echristo@redhat.com (Eric Christopher) Date: Wed, 08 Oct 2003 17:26:00 -0000 From: "John David Anglin" Cc: gcc@gcc.gnu.org, zack@codesourcery.com In-Reply-To: <1065597948.29456.4.camel@ghostwheel.sfbay.redhat.com> from "Eric Christopher" at Oct 8, 2003 00:25:48 am MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SW-Source: 2003-10/txt/msg00288.txt.bz2 > I'm seeing this on frv too. I blame Zack (at least in the little bit of > looking I did...), but that's ok. I'm sure he'll fix it. Yes, it looks as if this is caused by one of Zack's recent changes. We have: #0 0x400000000035ee3c in copy_rtx (orig=0x0) at ../../gcc/gcc/rtl.c:377 #1 0x40000000002f869c in emit_libcall_block (insns=0x800003fffed1f550, target=0x800003fffed20600, result=0x800003fffed1f2d0, equiv=0x0) at ../../gcc/gcc/optabs.c:3397 #2 0x40000000002f9430 in emit_cmp_and_jump_insns (x=0x800003fffed3bfa0, y=0x800003fffeff2768, comparison=NE, size=0x72, mode=TFmode, unsignedp=0, label=0x800003fffed3bf50) at ../../gcc/gcc/optabs.c:3946 emit_libcall_block is called with equiv=0 when optimize is 0. We end up trying to copy a NULL_RTX at optabs.c:3397. Dave -- J. David Anglin dave.anglin@nrc-cnrc.gc.ca National Research Council of Canada (613) 990-0752 (FAX: 952-6602)