/*
 * 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   "trunc.s"

#include "libm.h"
LIBM_ANSI_PRAGMA_WEAK(trunc,function)

        ENTRY(trunc)
        movl    %esp,%eax
        subl    $8,%esp
        fstcw   -8(%eax)
        fldl    4(%eax)
        movw    -8(%eax),%cx
        orw     $0x0c00,%cx
        movw    %cx,-4(%eax)
        fldcw   -4(%eax)                / set RD = to_zero
        frndint
        fstcw   -4(%eax)
        movw    -4(%eax),%dx
        andw    $0xf3ff,%dx
        movw    -8(%eax),%cx
        andw    $0x0c00,%cx
        orw     %dx,%cx
        movw    %cx,-8(%eax)
        fldcw   -8(%eax)                / restore RD
        addl    $8,%esp
        ret
        .align  4
        SET_SIZE(trunc)