From owner-cvs-all@FreeBSD.ORG Thu Nov 20 14:54:46 2003 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2500816A4CE; Thu, 20 Nov 2003 14:54:46 -0800 (PST) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9A3D843F93; Thu, 20 Nov 2003 14:54:45 -0800 (PST) (envelope-from peter@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.12.9/8.12.9) with ESMTP id hAKMsjXJ009765; Thu, 20 Nov 2003 14:54:45 -0800 (PST) (envelope-from peter@repoman.freebsd.org) Received: (from peter@localhost) by repoman.freebsd.org (8.12.9/8.12.9/Submit) id hAKMsj2Y009764; Thu, 20 Nov 2003 14:54:45 -0800 (PST) (envelope-from peter) Message-Id: <200311202254.hAKMsj2Y009764@repoman.freebsd.org> From: Peter Wemm Date: Thu, 20 Nov 2003 14:54:45 -0800 (PST) To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/amd64/amd64 machdep.c src/sys/amd64/include pcpu.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Nov 2003 22:54:46 -0000 peter 2003/11/20 14:54:45 PST FreeBSD src repository Modified files: sys/amd64/amd64 machdep.c sys/amd64/include pcpu.h Log: Provide a streamlined '#define curthread __curthread()' for amd64 to avoid the compiler having to parse and optimize the PCPU_GET(curthread) so often. __curthread() is an inline optimized version of PCPU_GET(curthread) that knows that pc_curthread is at offset zero in the pcpu struct. Add a CTASSERT() to catch any possible changes to this. This accounts for just over a 1% wall clock speedup for total kernel compile/link time, and 20% compile time speedup on some specific files depending on which compile options are used. Approved by: re (jhb) Revision Changes Path 1.600 +3 -0 src/sys/amd64/amd64/machdep.c 1.41 +10 -0 src/sys/amd64/include/pcpu.h