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atomic_dec.S revision 1.6.6.1 
      1 /*	$NetBSD: atomic_dec.S,v 1.6.6.1 2014/05/22 11:26:29 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "atomic_op_asm.h"
     33 
     34 __RCSID("$NetBSD: atomic_dec.S,v 1.6.6.1 2014/05/22 11:26:29 yamt Exp $")
     35 	.text
     36 ATOMIC_OP_32_ARG(dec,addi,-1)
     37 ATOMIC_OP_32_ARG_NV(dec,addi,-1)
     38 
     39 ATOMIC_OP_ALIAS(atomic_dec_uint,_atomic_dec_32)
     40 ATOMIC_OP_ALIAS(atomic_dec_uint_nv,_atomic_dec_32_nv)
     41 
     42 STRONG_ALIAS(_atomic_dec_uint,_atomic_dec_32)
     43 STRONG_ALIAS(_atomic_dec_uint_nv,_atomic_dec_32_nv)
     44 
     45 #if defined(_LP64)
     46 ATOMIC_OP_64_ARG(dec,addi,-1)
     47 ATOMIC_OP_64_ARG_NV(dec,addi,-1)
     48 
     49 ATOMIC_OP_ALIAS(atomic_dec_ulong,_atomic_dec_64)
     50 ATOMIC_OP_ALIAS(atomic_dec_ulong_nv,_atomic_dec_64_nv)
     51 
     52 ATOMIC_OP_ALIAS(atomic_dec_ptr,_atomic_dec_64)
     53 ATOMIC_OP_ALIAS(atomic_dec_ptr_nv,_atomic_dec_64_nv)
     54 
     55 STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_64)
     56 STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_64_nv)
     57 
     58 STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_64)
     59 STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_64_nv)
     60 #else
     61 ATOMIC_OP_ALIAS(atomic_dec_ulong,_atomic_dec_32)
     62 ATOMIC_OP_ALIAS(atomic_dec_ulong_nv,_atomic_dec_32_nv)
     63 
     64 ATOMIC_OP_ALIAS(atomic_dec_ptr,_atomic_dec_32)
     65 ATOMIC_OP_ALIAS(atomic_dec_ptr_nv,_atomic_dec_32_nv)
     66 
     67 STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_32)
     68 STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_32_nv)
     69 
     70 STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_32)
     71 STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_32_nv)
     72 #endif
     73