From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1J3txU-000112-Vw for qemu-devel@nongnu.org; Sun, 16 Dec 2007 08:55:09 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1J3txU-00010q-AP for qemu-devel@nongnu.org; Sun, 16 Dec 2007 08:55:08 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1J3txU-00010n-5Q for qemu-devel@nongnu.org; Sun, 16 Dec 2007 08:55:08 -0500 Received: from mail.codesourcery.com ([65.74.133.4]) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1J3txT-0001QZ-Di for qemu-devel@nongnu.org; Sun, 16 Dec 2007 08:55:07 -0500 From: Paul Brook Subject: Re: [Qemu-devel][Patch] Windows build broken Date: Sun, 16 Dec 2007 13:54:56 +0000 References: <802848.87427.qm@web57002.mail.re3.yahoo.com> <4761DEC1.8000800@gmail.com> <4762D403.2090408@mail.berlios.de> In-Reply-To: <4762D403.2090408@mail.berlios.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200712161354.58992.paul@codesourcery.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org > Typically, gcc provides a built-in function ffs Actually, not it doesn't. As with many other standard functions, gcc will sometimes optimize it, maybe expanding to inline code. However there's always the possibility of falling back to the standard C library implementation. Paul