Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759282AbZGCVUL (ORCPT ); Fri, 3 Jul 2009 17:20:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756647AbZGCVUA (ORCPT ); Fri, 3 Jul 2009 17:20:00 -0400 Received: from mail-out.m-online.net ([212.18.0.10]:34251 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753108AbZGCVT7 (ORCPT ); Fri, 3 Jul 2009 17:19:59 -0400 From: Andreas Schwab To: kernel mailz Cc: Brad Boyer , linuxppc-dev@ozlabs.org, gcc-help@gcc.gnu.org, linux-kernel@vger.kernel.org Subject: Re: Inline assembly queries [2] References: <20090703174031.GA12410@cynthia.pants.nu> X-Yow: .. Now I think I just reached the state of HYPERTENSION that comes JUST BEFORE you see the TOTAL at the SAFEWAY CHECKOUT COUNTER! Date: Fri, 03 Jul 2009 23:19:57 +0200 In-Reply-To: (kernel mailz's message of "Sat, 4 Jul 2009 01:35:50 +0530") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 948 Lines: 22 kernel mailz writes: > My query was more on %U1%X1, I guess it is specifying U and/or X for %1 right ? > what does U/X stand for (is it similar to u - unsigned and x for a hex address) > are there any more literals like U/X/... The 'U' and 'X' modifiers expand to 'u' and 'x' resp, depending on the form of the referenced memory operand. That allows one to select the right mnemonic among for example lwz, lwzu, lwzx and lwzux. Those modifiers must always be used together with the "m" constraint. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/