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atomic_dec.S revision 1.7.26.2
      1  1.7.26.1  martin /*	$NetBSD: atomic_dec.S,v 1.7.26.2 2020/04/21 19:37:45 martin 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       1.2      ad  *
     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  1.7.26.1  martin __RCSID("$NetBSD: atomic_dec.S,v 1.7.26.2 2020/04/21 19:37:45 martin 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