usr/src/lib/libc/i386/gen/ladd.s
author Mark J. Nelson <Mark.J.Nelson@Sun.COM>
Wed, 06 Aug 2008 16:29:39 -0600
changeset 7298 b69e27387f74
parent 6812 febeba71273d
permissions -rw-r--r--
6733918 Teamware has retired, please welcome your new manager, Mercurial 4758439 some files use "current date" sccs keywords 6560843 asm sources should not rely on .file "%M%" for naming STT_FILE symbols 6560958 Solaris:: perl modules should not use SCCS keywords in version information 6729074 webrev doesn't deal well with remote ssh hg parents

/*
 * 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
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 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

	.file	"ladd.s"

/ Double long add routine.

#include "SYS.h"

	.set	lop,4
	.set	rop,12
	.set	ans,0

	ENTRY(ladd)
	popl	%eax
	xchgl	%eax,0(%esp)

	movl	lop(%esp),%ecx
	addl	rop(%esp),%ecx
	movl	lop+4(%esp),%edx
	adcl	rop+4(%esp),%edx
	movl	%ecx,ans(%eax)
	movl	%edx,ans+4(%eax)

	ret
	SET_SIZE(ladd)