1/* $NetBSD: atomic_cas_32.S,v 1.1 2014/09/03 19:34:25 matt Exp $ */ 2 3/*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 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 34ENTRY_NP(_atomic_cas_32) 351: l.lwa r11, 0(r3) 36 l.sfeq r11, r4 37 l.bnf 2f 38 l.nop 39 l.swa 0(r3), r5 40 l.bnf 1b 41 l.nop 422: l.jr lr 43 l.nop 44END(_atomic_cas_32) 45 46ATOMIC_OP_ALIAS(atomic_cas_32,_atomic_cas_32) 47ATOMIC_OP_ALIAS(atomic_cas_uint,_atomic_cas_32) 48ATOMIC_OP_ALIAS(atomic_cas_ulong,_atomic_cas_32) 49ATOMIC_OP_ALIAS(atomic_cas_ptr,_atomic_cas_32) 50ATOMIC_OP_ALIAS(atomic_cas_32_ni,_atomic_cas_32) 51ATOMIC_OP_ALIAS(atomic_cas_uint_ni,_atomic_cas_32) 52ATOMIC_OP_ALIAS(atomic_cas_ulong_ni,_atomic_cas_32) 53ATOMIC_OP_ALIAS(atomic_cas_ptr_ni,_atomic_cas_32) 54CRT_ALIAS(__sync_val_compare_and_swap_4,_atomic_cas_32) 55STRONG_ALIAS(_atomic_cas_uint,_atomic_cas_32) 56STRONG_ALIAS(_atomic_cas_ulong,_atomic_cas_32) 57STRONG_ALIAS(_atomic_cas_32_ni,_atomic_cas_32) 58STRONG_ALIAS(_atomic_cas_ptr_ni,_atomic_cas_32) 59STRONG_ALIAS(_atomic_cas_uint_ni,_atomic_cas_32) 60STRONG_ALIAS(_atomic_cas_ulong_ni,_atomic_cas_32) 61STRONG_ALIAS(_atomic_cas_ptr,_atomic_cas_32) 62