1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23 */ 24/* 25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 .file "rint.s" 30 31#include "libm.h" 32 .weak __rint 33 .type __rint,@function 34 35 ENTRY(rint) 36 fldl 4(%esp) # load x 37 movl 8(%esp),%eax # eax <-- hi_32(x) 38 andl $0x7fffffff,%eax # eax <-- hi_32(|x|) 39 cmpl $0x43300000,%eax # is |x| >= 2**52? 40 jae .done # if so, branch (already integral) 41 frndint # [x], per rounding mode 42.done: 43 fwait 44 ret 45 .align 4 46 SET_SIZE(rint) 47