1/* $NetBSD: atomic_dec.S,v 1.8 2022/04/06 22:47:56 riastradh 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 1.8 2022/04/06 22:47:56 riastradh Exp $") 35 .text 36ATOMIC_OP_32_ARG(dec,addi,-1) 37ATOMIC_OP_32_ARG_NV(dec,addi,-1) 38 39ATOMIC_OP_ALIAS(atomic_dec_uint,_atomic_dec_32) 40ATOMIC_OP_ALIAS(atomic_dec_uint_nv,_atomic_dec_32_nv) 41 42STRONG_ALIAS(_atomic_dec_uint,_atomic_dec_32) 43STRONG_ALIAS(_atomic_dec_uint_nv,_atomic_dec_32_nv) 44 45#if defined(_LP64) 46ATOMIC_OP_64_ARG(dec,addi,-1) 47ATOMIC_OP_64_ARG_NV(dec,addi,-1) 48 49ATOMIC_OP_ALIAS(atomic_dec_ulong,_atomic_dec_64) 50ATOMIC_OP_ALIAS(atomic_dec_ulong_nv,_atomic_dec_64_nv) 51 52ATOMIC_OP_ALIAS(atomic_dec_ptr,_atomic_dec_64) 53ATOMIC_OP_ALIAS(atomic_dec_ptr_nv,_atomic_dec_64_nv) 54 55STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_64) 56STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_64_nv) 57 58STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_64) 59STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_64_nv) 60#else 61ATOMIC_OP_ALIAS(atomic_dec_ulong,_atomic_dec_32) 62ATOMIC_OP_ALIAS(atomic_dec_ulong_nv,_atomic_dec_32_nv) 63 64ATOMIC_OP_ALIAS(atomic_dec_ptr,_atomic_dec_32) 65ATOMIC_OP_ALIAS(atomic_dec_ptr_nv,_atomic_dec_32_nv) 66 67STRONG_ALIAS(_atomic_dec_ulong,_atomic_dec_32) 68STRONG_ALIAS(_atomic_dec_ulong_nv,_atomic_dec_32_nv) 69 70STRONG_ALIAS(_atomic_dec_ptr,_atomic_dec_32) 71STRONG_ALIAS(_atomic_dec_ptr_nv,_atomic_dec_32_nv) 72#endif 73