/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "lint.h"
#include "base_conversion.h"
#include <sys/isa_defs.h>
#define CSR_DEFAULT 0x1f80
/*
* Returns IEEE mode/status and
* sets up standard environment for base conversion.
*/
void
__get_ieee_flags(__ieee_flags_type *b) {
extern void _getmxcsr(), _putmxcsr();
_getmxcsr(&b->status);
/* round-to-nearest, all exceptions masked, gradual underflow */
_putmxcsr(CSR_DEFAULT);
}
/*
* Restores previous IEEE mode/status
*/
void
__set_ieee_flags(__ieee_flags_type *b) {
extern void _putmxcsr();
_putmxcsr(b->status);
}