1/* $NetBSD: atomic_and.S,v 1.8 2022/04/06 22:47:57 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 .text 35 36ENTRY(_atomic_and_32) 37 ld [%o0], %o2 381: and %o1, %o2, %o3 39 cas [%o0], %o2, %o3 40 cmp %o2, %o3 41 bne,a,pn %icc, 1b 42 mov %o3, %o2 43 retl 44 and %o1, %o2, %o0 45ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32) 46ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32) 47STRONG_ALIAS(_atomic_and_uint,_atomic_and_32) 48 49ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32) 50STRONG_ALIAS(_atomic_and_32_nv,_atomic_and_32) 51ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32) 52STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32) 53 54ENTRY(_atomic_and_64) 55#ifndef __arch64__ 56 COMBINE(%o1, %o2, %o1) 57#endif 58 ldx [%o0], %o2 591: and %o1, %o2, %o3 60 casx [%o0], %o2, %o3 61 cmp %o2, %o3 62 bne,a,pn %xcc, 1b 63 mov %o3, %o2 64#ifdef __arch64__ 65 retl 66 and %o1, %o2, %o0 67#else 68 and %o1, %o2, %o0 69 SPLIT_RETL(%o0, %o0, %o1) 70#endif 71ATOMIC_OP_ALIAS(atomic_and_64,_atomic_and_64) 72 73ATOMIC_OP_ALIAS(atomic_and_64_nv,_atomic_and_64) 74STRONG_ALIAS(_atomic_and_64_nv,_atomic_and_64) 75 76ATOMIC_OP_ALIAS_SIZE(atomic_and_ulong,_atomic_and) 77STRONG_ALIAS_SIZE(_atomic_and_ulong,_atomic_and) 78 79ATOMIC_OP_ALIAS_SIZE(atomic_and_ulong_nv,_atomic_and) 80STRONG_ALIAS_SIZE(_atomic_and_ulong_nv,_atomic_and) 81 82#if !defined(__arch64__) && defined(CRT_ALIAS) 83ENTRY(__sync_fetch_and_and_8) 84 COMBINE(%o1, %o2, %o1) 85 ldx [%o0], %o2 861: and %o1, %o2, %o3 87 casx [%o0], %o2, %o3 88 cmp %o2, %o3 89 bne,a,pn %xcc, 1b 90 mov %o3, %o2 91 SPLIT_RETL(%o2, %o0, %o1) 92CRT_ALIAS(__sync_and_and_fetch_8,_atomic_and_64_nv) 93 94CRT_ALIAS(__atomic_fetch_and_8,__sync_fetch_and_and_8) 95CRT_ALIAS(__atomic_and_fetch_8,__sync_and_and_fetch_8) 96#endif 97