From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sunset.davemloft.net (dsl027-180-168.sfo1.dsl.speakeasy.net [216.27.180.168]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id C0C0F68ACE for ; Mon, 30 Jan 2006 15:03:41 +1100 (EST) Date: Sun, 29 Jan 2006 20:03:35 -0800 (PST) Message-Id: <20060129.200335.69237695.davem@davemloft.net> To: sdbrady@ntlworld.com Subject: Re: [parisc-linux] Re: [PATCH 3/6] C-language equivalents of include/asm-*/bitops.h From: "David S. Miller" In-Reply-To: <20060129071242.GA24624@miranda.arrow> References: <20060126230443.GC13632@colo.lackof.org> <20060126230353.GC27222@flint.arm.linux.org.uk> <20060129071242.GA24624@miranda.arrow> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, spyro@f2s.com, ak@suse.de, dhowells@redhat.com, linuxppc-dev@ozlabs.org, gerg@uclinux.org, sparclinux@vger.kernel.org, uclinux-v850@lsi.nec.co.jp, ysato@users.sourceforge.jp, takata@linux-m32r.org, linuxsh-shmedia-dev@lists.sourceforge.net, grundler@parisc-linux.org, torvalds@osdl.org, ink@jurassic.park.msu.ru, mita@miraclelinux.com, chris@zankel.net, dev-etrax@axis.com, ultralinux@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, linuxsh-dev@lists.sourceforge.net, linux390@de.ibm.com, parisc-linux@parisc-linux.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Stuart Brady Date: Sun, 29 Jan 2006 07:12:42 +0000 > There are versions of hweight*() for sparc64 which use POPC when > ULTRA_HAS_POPULATION_COUNT is defined, but AFAICS, it's never defined. That's right, the problem here is that no chips actually implement the instruction in hardware, it is software emulated, ie. useless :-)