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/*
* 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)
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