From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14292 invoked by alias); 17 Oct 2012 01:51:54 -0000 Received: (qmail 14164 invoked by uid 22791); 17 Oct 2012 01:51:53 -0000 X-SWARE-Spam-Status: No, hits=-7.2 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 17 Oct 2012 01:51:40 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q9H1pcnv019043 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 16 Oct 2012 21:51:38 -0400 Received: from pebble.twiddle.home (vpn1-49-249.bne.redhat.com [10.64.49.249]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q9H1pX2w007610; Tue, 16 Oct 2012 21:51:34 -0400 Message-ID: <507E0F25.8010605@redhat.com> Date: Wed, 17 Oct 2012 04:54:00 -0000 From: Richard Henderson User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121009 Thunderbird/16.0 MIME-Version: 1.0 To: Aldy Hernandez CC: Ian Lance Taylor , gcc-patches , Richard Guenther , Ian Lance Taylor , Jakub Jelinek , Andrew MacLeod Subject: Re: [path] PR 54900: store data race in if-conversion pass References: <507C015F.2090508@redhat.com> <507DF364.2010208@redhat.com> In-Reply-To: <507DF364.2010208@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes 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: 2012-10/txt/msg01616.txt.bz2 On 2012-10-17 09:53, Aldy Hernandez wrote: > +/* Like memory_modified_in_insn_p, but return TRUE if INSN will > + *SURELY* modify the memory contents of MEM. */ > +bool > +memory_surely_modified_in_insn_p (const_rtx mem, const_rtx insn) I don't like the word "surely". Are we certain or not? It's longer, but perhaps "definitely" or "must_be"? r~