From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9436 invoked by alias); 16 Feb 2011 18:29:49 -0000 Received: (qmail 9428 invoked by uid 22791); 16 Feb 2011 18:29:49 -0000 X-SWARE-Spam-Status: No, hits=-1.0 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW X-Spam-Check-By: sourceware.org Received: from mail-iy0-f175.google.com (HELO mail-iy0-f175.google.com) (209.85.210.175) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 16 Feb 2011 18:29:44 +0000 Received: by iyj8 with SMTP id 8so1534866iyj.20 for ; Wed, 16 Feb 2011 10:29:43 -0800 (PST) MIME-Version: 1.0 Received: by 10.231.206.206 with SMTP id fv14mr798014ibb.75.1297880983042; Wed, 16 Feb 2011 10:29:43 -0800 (PST) Received: by 10.231.19.130 with HTTP; Wed, 16 Feb 2011 10:29:42 -0800 (PST) Date: Wed, 16 Feb 2011 18:41:00 -0000 Message-ID: Subject: [off topic] imaginary PowerPC instructions From: kevin diggs To: "gcc-help@gcc.gnu.org" Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org X-SW-Source: 2011-02/txt/msg00238.txt.bz2 Hi, After looking at some -S powerpc assembly I started wondering: Should the powerpc have had: bcrr[l] branch register relative bcra[l] branch register absolute (like bcctr only not requiring mtctr)? Anyone know off the top of their head if powerx (x>4; 4 ~= 970) has something similar? Off the top of your head can anyone think of any other compiler friendly instructions that would have been nice? Thanks! (and sorry for the noise). kevin