/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ .ident "@(#)rint.s 1.7 06/01/23 SMI" .file "rint.s" #include "libm.h" LIBM_ANSI_PRAGMA_WEAK(rint,function) #include "libm_synonyms.h" ENTRY(rint) fldl 4(%esp) / load x movl 8(%esp),%eax / eax <-- hi_32(x) andl $0x7fffffff,%eax / eax <-- hi_32(|x|) cmpl $0x43300000,%eax / is |x| >= 2**52? jae .done / if so, branch (already integral) frndint / [x], per rounding mode .done: fwait ret .align 4 SET_SIZE(rint)