From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9383 invoked by alias); 6 Jan 2003 13:21:52 -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 9370 invoked from network); 6 Jan 2003 13:21:45 -0000 Received: from unknown (HELO ns2.uk.superh.com) (193.128.105.170) by 209.249.29.67 with SMTP; 6 Jan 2003 13:21:45 -0000 Received: from sh-uk-ex01.uk.w2k.superh.com (sh-uk-ex01 [192.168.16.17]) by ns2.uk.superh.com (8.11.6+Sun/8.11.6) with ESMTP id h06Cw5q26991; Mon, 6 Jan 2003 12:58:06 GMT Received: from superh.com ([192.168.16.50]) by sh-uk-ex01.uk.w2k.superh.com with Microsoft SMTPSVC(5.0.2195.5329); Mon, 6 Jan 2003 13:13:18 +0000 Message-ID: <3E1980FB.E1D7042B@superh.com> Date: Mon, 06 Jan 2003 14:21:00 -0000 From: Joern Rennecke Organization: SuperH UK Ltd. X-Accept-Language: en MIME-Version: 1.0 To: Ulrich Weigand CC: gcc@gcc.gnu.org Subject: Re: RFD: constraint letter suffixes References: <200212241410.PAA08511@faui11.informatik.uni-erlangen.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 06 Jan 2003 13:13:18.0881 (UTC) FILETIME=[6160D910:01C2B585] X-SW-Source: 2003-01/txt/msg00269.txt.bz2 Ulrich Weigand wrote: > > Joern Rennecke wrote: > > >EXTRA_MEMORY_CONSTRAINT is defined only by one port, and > >EXTRA_ADDRESS_CONSTRAINT by none, so I suppose adding another > >parameter to these macros isn't too much of a switch burden. > > I have a patch that will introduce EXTRA_ADDRESS_CONSTRAINT > to the s390 port as well; I had been holding this until the > 3.4 development was opened. > > In any case, I don't mind another parameter there, in particular > if I get more constraint letters from it ;-) The numbers of the letters will stay the same, but you will be able to use one letter for multiple different constraints by using a suffix, e.g. L0, L1, L2. > Will it be possible to have more different integer constant > constraints with your patch? This would be helpful for s390 ... Yes, this was actually the motivation of this patch. The SH also needs more different integer constraints. -- -------------------------- SuperH (UK) Ltd. 2410 Aztec West / Almondsbury / BRISTOL / BS32 4QX T:+44 1454 465658