From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:54516) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TCAH5-0007S9-FH for qemu-devel@nongnu.org; Thu, 13 Sep 2012 10:20:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TCAGs-0004lk-Ok for qemu-devel@nongnu.org; Thu, 13 Sep 2012 10:20:11 -0400 Received: from mail-pb0-f45.google.com ([209.85.160.45]:53172) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TCAGs-0004lW-IR for qemu-devel@nongnu.org; Thu, 13 Sep 2012 10:19:58 -0400 Received: by pbbrp12 with SMTP id rp12so4230404pbb.4 for ; Thu, 13 Sep 2012 07:19:57 -0700 (PDT) Sender: Richard Henderson Message-ID: <5051EB8B.6000104@twiddle.net> Date: Thu, 13 Sep 2012 07:19:55 -0700 From: Richard Henderson MIME-Version: 1.0 References: <1347482678-9458-1-git-send-email-sw@weilnetz.de> <1347482678-9458-3-git-send-email-sw@weilnetz.de> <50517441.9060103@weilnetz.de> In-Reply-To: <50517441.9060103@weilnetz.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 2/4] tcg/i386: Remove unused registers from tcg_target_call_iarg_regs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Weil Cc: Blue Swirl , Peter Maydell , Alexander Graf , Aurelien Jarno , qemu-devel@nongnu.org On 09/12/2012 10:50 PM, Stefan Weil wrote: > I could use conditional compilation for those accesses, > but first I'd like to understand why this works at all. Before your patch you mean? Because those are the registers reserved by the "L" constraint. r~