Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030240AbWBAJ03 (ORCPT ); Wed, 1 Feb 2006 04:26:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932432AbWBAJ02 (ORCPT ); Wed, 1 Feb 2006 04:26:28 -0500 Received: from hobbit.corpit.ru ([81.13.94.6]:22103 "EHLO hobbit.corpit.ru") by vger.kernel.org with ESMTP id S932430AbWBAJ0Y (ORCPT ); Wed, 1 Feb 2006 04:26:24 -0500 Message-ID: <43E07EB2.4020409@tls.msk.ru> Date: Wed, 01 Feb 2006 12:26:10 +0300 From: Michael Tokarev User-Agent: Debian Thunderbird 1.0.2 (X11/20051002) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andi Kleen CC: Akinobu Mita , linux-kernel@vger.kernel.org, Richard Henderson , Ivan Kokshaysky , Russell King , Ian Molton , dev-etrax@axis.com, David Howells , Yoshinori Sato , Linus Torvalds , linux-ia64@vger.kernel.org, Hirokazu Takata , linux-m68k@vger.kernel.org, Greg Ungerer , linux-mips@linux-mips.org, parisc-linux@parisc-linux.org, linuxppc-dev@ozlabs.org, linux390@de.ibm.com, linuxsh-dev@lists.sourceforge.net, linuxsh-shmedia-dev@lists.sourceforge.net, sparclinux@vger.kernel.org, ultralinux@vger.kernel.org, Miles Bader , Chris Zankel Subject: Re: [patch 14/44] generic hweight{64,32,16,8}() References: <20060201090224.536581000@localhost.localdomain> <20060201090325.905071000@localhost.localdomain> <200602011006.09596.ak@suse.de> In-Reply-To: <200602011006.09596.ak@suse.de> X-Enigmail-Version: 0.91.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 744 Lines: 23 Andi Kleen wrote: > On Wednesday 01 February 2006 10:02, Akinobu Mita wrote: > >>+static inline unsigned int hweight32(unsigned int w) [] > How large are these functions on x86? Maybe it would be better to not inline them, > but put it into some C file out of line. hweight8 47 bytes hweight16 76 bytes hweight32 97 bytes hweight64 56 bytes (NOT inlining hweight32) hweight64 197 bytes (inlining hweight32) Those are when compiled as separate non-inlined functions, with pushl %ebp and ret. /mjt - 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/