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      1  1.8  riastrad /*	$NetBSD: atomic_dec.S,v 1.8 2022/04/06 22:47:56 riastradh Exp $	*/
      2  1.2        ad 
      3  1.2        ad /*-
      4  1.2        ad  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  1.2        ad  * All rights reserved.
      6  1.2        ad  *
      7  1.2        ad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2        ad  * by Jason R. Thorpe.
      9  1.2        ad  *
     10  1.2        ad  * Redistribution and use in source and binary forms, with or without
     11  1.2        ad  * modification, are permitted provided that the following conditions
     12  1.2        ad  * are met:
     13  1.2        ad  * 1. Redistributions of source code must retain the above copyright
     14  1.2        ad  *    notice, this list of conditions and the following disclaimer.
     15  1.2        ad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2        ad  *    notice, this list of conditions and the following disclaimer in the
     17  1.2        ad  *    documentation and/or other materials provided with the distribution.
     18  1.8  riastrad  *
     19  1.2        ad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2        ad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2        ad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2        ad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2        ad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2        ad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2        ad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2        ad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2        ad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2        ad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2        ad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2        ad  */
     31  1.2        ad 
     32  1.2        ad #include "atomic_op_asm.h"
     33  1.2        ad 
     34  1.8  riastrad __RCSID("$NetBSD: atomic_dec.S,v 1.8 2022/04/06 22:47:56 riastradh Exp $")
     35  1.2        ad 	.text
     36  1.7      matt ATOMIC_OP_32_ARG(dec,addi,-1)
     37  1.7      matt ATOMIC_OP_32_ARG_NV(dec,addi,-1)
     38  1.2        ad 
     39  1.2        ad ATOMIC_OP_ALIAS(atomic_dec_uint,_atomic_dec_32)
     40  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_uint_nv,_atomic_dec_32_nv)
     41  1.7      matt 
     42  1.2        ad STRONG_ALIAS(_atomic_dec_uint,_atomic_dec_32)
     43  1.7      matt STRONG_ALIAS(_atomic_dec_uint_nv,_atomic_dec_32_nv)
     44  1.7      matt 
     45  1.7      matt #if defined(_LP64)
     46  1.7      matt ATOMIC_OP_64_ARG(dec,addi,-1)
     47  1.7      matt ATOMIC_OP_64_ARG_NV(dec,addi,-1)
     48  1.7      matt 
     49  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_ulong,_atomic_dec_64)
     50  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_ulong_nv,_atomic_dec_64_nv)
     51  1.7      matt 
     52  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_ptr,_atomic_dec_64)
     53  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_ptr_nv,_atomic_dec_64_nv)
     54  1.7      matt 
     55  1.7      matt STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_64)
     56  1.7      matt STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_64_nv)
     57  1.7      matt 
     58  1.7      matt STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_64)
     59  1.7      matt STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_64_nv)
     60  1.7      matt #else
     61  1.2        ad ATOMIC_OP_ALIAS(atomic_dec_ulong,_atomic_dec_32)
     62  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_ulong_nv,_atomic_dec_32_nv)
     63  1.7      matt 
     64  1.2        ad ATOMIC_OP_ALIAS(atomic_dec_ptr,_atomic_dec_32)
     65  1.7      matt ATOMIC_OP_ALIAS(atomic_dec_ptr_nv,_atomic_dec_32_nv)
     66  1.2        ad 
     67  1.7      matt STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_32)
     68  1.2        ad STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_32_nv)
     69  1.7      matt 
     70  1.7      matt STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_32)
     71  1.2        ad STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_32_nv)
     72  1.2        ad #endif
     73