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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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
.file "abs.s"
/*
* Assembler program to implement the following C program
*
* int
* abs(int arg)
* {
* return((arg < 0)? -arg: arg);
* }
*/
#include "SYS.h"
ENTRY(abs)
movl %edi, %eax
testl %eax, %eax /* arg < 0? */
jns 1f
negl %eax /* yes, return -arg */
1:
ret
SET_SIZE(abs)
ENTRY(labs)
movq %rdi, %rax
testq %rax, %rax /* arg < 0? */
jns 1f
negq %rax /* yes, return -arg */
1:
ret
SET_SIZE(labs)
ENTRY(llabs)
movq %rdi, %rax
testq %rax, %rax /* arg < 0? */
jns 1f
negq %rax /* yes, return -arg */
1:
ret
SET_SIZE(llabs)
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