floorl.s revision ddc0e0b53c661f6e439e3b7072b3ef353eadb4af
/*
* 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 2011 Nexenta Systems, Inc. All rights reserved.
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
.file "floorl.s"
#include "libm.h"
LIBM_ANSI_PRAGMA_WEAK(ceill,function)
LIBM_ANSI_PRAGMA_WEAK(floorl,function)
ENTRY(ceill)
subq $16,%rsp
fstcw (%rsp)
fldt 24(%rsp)
movw (%rsp),%cx
orw $0x0c00,%cx
xorw $0x0400,%cx
movw %cx,4(%rsp)
fldcw 4(%rsp) / set RD = up
frndint
fstcw 4(%rsp) / restore RD
movw 4(%rsp),%dx
andw $0xf3ff,%dx
movw (%rsp),%cx
andw $0x0c00,%cx
orw %dx,%cx
movw %cx,(%rsp)
fldcw (%rsp) / restore RD
addq $16,%rsp
ret
.align 16
SET_SIZE(ceill)
ENTRY(floorl)
subq $16,%rsp
fstcw (%rsp)
fldt 24(%rsp)
movw (%rsp),%cx
orw $0x0c00,%cx
xorw $0x0800,%cx
movw %cx,4(%rsp)
fldcw 4(%rsp) / set RD = down
frndint
fstcw 4(%rsp) / restore RD
movw 4(%rsp),%dx
andw $0xf3ff,%dx
movw (%rsp),%cx
andw $0x0c00,%cx
orw %dx,%cx
movw %cx,(%rsp)
fldcw (%rsp) / restore RD
addq $16,%rsp
ret
.align 16
SET_SIZE(floorl)