From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17718 invoked by alias); 23 Feb 2007 17:45:31 -0000 Received: (qmail 17701 invoked by uid 22791); 23 Feb 2007 17:45:29 -0000 X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org (qpsmtpd/0.31) with ESMTP; Fri, 23 Feb 2007 17:45:22 +0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.13.1/8.13.1) with ESMTP id l1NHjG54016048; Fri, 23 Feb 2007 12:45:20 -0500 Received: from pobox.toronto.redhat.com (pobox.toronto.redhat.com [172.16.14.4]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l1NHjAqC011508; Fri, 23 Feb 2007 12:45:10 -0500 Received: from [172.16.14.227] (topaz.toronto.redhat.com [172.16.14.227]) by pobox.toronto.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id l1NHjAAh028208; Fri, 23 Feb 2007 12:45:10 -0500 Message-ID: <45DF2825.3020808@redhat.com> Date: Fri, 23 Feb 2007 17:45:00 -0000 From: Dave Brolley User-Agent: Thunderbird 1.5.0.5 (X11/20060719) MIME-Version: 1.0 To: Joern Rennecke CC: cgen@sources.redhat.com Subject: Re: insert evaluation for multi-ifields broken References: <20070214201406.GD18550@elsdt-razorfish.arc.com> <45D619DD.7010602@redhat.com> <20070219033843.GA31910@elsdt-razorfish.arc.com> <45D9C06A.4030903@redhat.com> <20070219155503.GB13511@elsdt-razorfish.arc.com> <20070219160735.GJ27135@redhat.com> <20070219181352.GC13511@elsdt-razorfish.arc.com> <45D9EA38.5040002@redhat.com> <20070222160755.GB8064@elsdt-razorfish.arc.com> <45DDCB1D.6050605@redhat.com> <20070222181341.GD8064@elsdt-razorfish.arc.com> In-Reply-To: <20070222181341.GD8064@elsdt-razorfish.arc.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: 2007-q1/txt/msg00062.txt.bz2 Joern Rennecke wrote: > The real code is much more complex (80 KB .cpu file, generating - among > other things - three decode*.c files in excess of 700 KB each). > The multi-ifield is usually used for a register operand. However, there > are some special instructions where this operand is not needed, so a > bunch of them can be encoded by using different values in this field - > I implemented this with a normal-insn-enum, which uses the multi-ifield. > Individual values of this enum are then placed in the format of the > the separate insns, whcih is equivalent to putting a constant into the > field. > Understood and quite reasonable, but unfortunately broken. Your choices would seem to be to fix the bug or try the workaround. Dave