11.7Sriastrad/*	$NetBSD: atomic_inc.S,v 1.7 2022/04/06 22:47:56 riastradh Exp $	*/
21.2Sad
31.2Sad/*-
41.2Sad * Copyright (c) 2007 The NetBSD Foundation, Inc.
51.2Sad * All rights reserved.
61.2Sad *
71.2Sad * This code is derived from software contributed to The NetBSD Foundation
81.2Sad * by Jason R. Thorpe.
91.2Sad *
101.2Sad * Redistribution and use in source and binary forms, with or without
111.2Sad * modification, are permitted provided that the following conditions
121.2Sad * are met:
131.2Sad * 1. Redistributions of source code must retain the above copyright
141.2Sad *    notice, this list of conditions and the following disclaimer.
151.2Sad * 2. Redistributions in binary form must reproduce the above copyright
161.2Sad *    notice, this list of conditions and the following disclaimer in the
171.2Sad *    documentation and/or other materials provided with the distribution.
181.7Sriastrad *
191.2Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.2Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.2Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.2Sad * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.2Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.2Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.2Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.2Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.2Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.2Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.2Sad * POSSIBILITY OF SUCH DAMAGE.
301.2Sad */
311.2Sad
321.2Sad#include "atomic_op_asm.h"
331.2Sad
341.2Sad	.text
351.2Sad
361.4SchsENTRY(_atomic_inc_32)
371.5Smatt	movl	4(%sp), %a0
381.6Smatt	addql	#1, (%a0)
391.2Sad	rts
401.6SmattEND(_atomic_inc_32)
411.2SadATOMIC_OP_ALIAS(atomic_inc_32,_atomic_inc_32)
421.2SadATOMIC_OP_ALIAS(atomic_inc_uint,_atomic_inc_32)
431.2SadSTRONG_ALIAS(_atomic_inc_uint,_atomic_inc_32)
441.2SadATOMIC_OP_ALIAS(atomic_inc_ulong,_atomic_inc_32)
451.2SadSTRONG_ALIAS(_atomic_inc_ulong,_atomic_inc_32)
461.2SadATOMIC_OP_ALIAS(atomic_inc_ptr,_atomic_inc_32)
471.2SadSTRONG_ALIAS(_atomic_inc_ptr,_atomic_inc_32)
481.2Sad
491.4SchsENTRY(_atomic_inc_32_nv)
501.5Smatt	movl	4(%sp), %a0
511.5Smatt1:	movl	(%a0), %d0
521.2Sad	movl	%d0, %d1
531.2Sad	addql	#1, %d0
541.6Smatt	casl	%d1, %d0, (%a0)
551.2Sad	bne	1b
561.2Sad	movl	%d0, %a0	/* pointers return also in %a0 */
571.2Sad	rts
581.6SmattEND(_atomic_inc_32_nv)
591.2SadATOMIC_OP_ALIAS(atomic_inc_32_nv,_atomic_inc_32_nv)
601.2SadATOMIC_OP_ALIAS(atomic_inc_uint_nv,_atomic_inc_32_nv)
611.2SadSTRONG_ALIAS(_atomic_inc_uint_nv,_atomic_inc_32_nv)
621.2SadATOMIC_OP_ALIAS(atomic_inc_ulong_nv,_atomic_inc_32_nv)
631.2SadSTRONG_ALIAS(_atomic_inc_ulong_nv,_atomic_inc_32_nv)
641.2SadATOMIC_OP_ALIAS(atomic_inc_ptr_nv,_atomic_inc_32_nv)
651.2SadSTRONG_ALIAS(_atomic_inc_ptr_nv,_atomic_inc_32_nv)
66