From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11817 invoked by alias); 24 Jan 2011 14:53:31 -0000 Received: (qmail 11809 invoked by uid 22791); 24 Jan 2011 14:53:31 -0000 X-SWARE-Spam-Status: No, hits=-5.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD 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; Mon, 24 Jan 2011 14:53:26 +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 (8.13.8/8.13.8) with ESMTP id p0OErFiF016815 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 24 Jan 2011 09:53:15 -0500 Received: from fche.csb (vpn-8-67.rdu.redhat.com [10.11.8.67]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p0OErEWJ028094; Mon, 24 Jan 2011 09:53:15 -0500 Received: by fche.csb (Postfix, from userid 2569) id 4F6265812A; Mon, 24 Jan 2011 09:53:14 -0500 (EST) Date: Mon, 24 Jan 2011 14:53:00 -0000 From: "Frank Ch. Eigler" To: Nathan Froyd Cc: cgen@sourceware.org Subject: Re: insn semantics required? Message-ID: <20110124145314.GC21342@redhat.com> References: <20110124142354.GE6247@codesourcery.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110124142354.GE6247@codesourcery.com> User-Agent: Mutt/1.4.2.2i X-IsSubscribed: yes Mailing-List: contact cgen-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cgen-owner@sourceware.org X-SW-Source: 2011-q1/txt/msg00002.txt.bz2 Hi - On Mon, Jan 24, 2011 at 06:23:54AM -0800, Nathan Froyd wrote: > I've been looking through the documentation and couldn't determine > conclusively whether defining the semantics of an insn is required. > [...] > I suppose as a stopgap one could simply provide an uninteresting > semantics for each insn. Yes, you could pass (nop) or perhaps an empty list in the semantics slot of the (dni ...). - FChE