1 /* $NetBSD: atomic_or.S,v 1.12 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 .text 35 36 ENTRY(_atomic_or_32) 37 movl 4(%sp), %a0 38 movl 8(%sp), %d0 39 orl %d0, (%a0) 40 rts 41 END(_atomic_or_32) 42 43 ATOMIC_OP_ALIAS(atomic_or_32,_atomic_or_32) 44 ATOMIC_OP_ALIAS(atomic_or_uint,_atomic_or_32) 45 STRONG_ALIAS(_atomic_or_uint,_atomic_or_32) 46 ATOMIC_OP_ALIAS(atomic_or_ulong,_atomic_or_32) 47 STRONG_ALIAS(_atomic_or_ulong,_atomic_or_32) 48 ATOMIC_OP_ALIAS(atomic_or_ptr,_atomic_or_32) 49 STRONG_ALIAS(_atomic_or_ptr,_atomic_or_32) 50 51 ENTRY(_atomic_or_32_nv) 52 movl 4(%sp), %a0 53 1: movl (%a0), %d0 54 movl %d0, %d1 55 orl 8(%sp), %d0 56 casl %d1, %d0, (%a0) 57 bne 1b 58 movl %d0, %a0 59 rts 60 END(_atomic_or_32_nv) 61 62 ATOMIC_OP_ALIAS(atomic_or_32_nv,_atomic_or_32_nv) 63 ATOMIC_OP_ALIAS(atomic_or_uint_nv,_atomic_or_32_nv) 64 STRONG_ALIAS(_atomic_or_uint_nv,_atomic_or_32_nv) 65 ATOMIC_OP_ALIAS(atomic_or_ulong_nv,_atomic_or_32_nv) 66 STRONG_ALIAS(_atomic_or_ulong_nv,_atomic_or_32_nv) 67 ATOMIC_OP_ALIAS(atomic_or_ptr_nv,_atomic_or_32_nv) 68 STRONG_ALIAS(_atomic_or_ptr_nv,_atomic_or_32_nv) 69 CRT_ALIAS(__sync_or_and_fetch_4, _atomic_or_32_nv) 70 71 72 ENTRY(__sync_fetch_and_or_4) 73 movl 4(%sp), %a0 74 1: movl (%a0), %d0 75 movl %d0, %d1 76 orl 8(%sp), %d1 77 casl %d0, %d1, (%a0) 78 bne 1b 79 movl %d0, %a0 80 rts 81 END(__sync_fetch_and_or_4) 82 83 84 ENTRY(_atomic_or_16_nv) 85 movl 4(%sp), %a0 86 1: movw (%a0), %d0 87 movw %d0, %d1 88 orw 8(%sp), %d0 89 casw %d1, %d0, (%a0) 90 bne 1b 91 rts 92 END(_atomic_or_16_nv) 93 CRT_ALIAS(__sync_or_and_fetch_2, _atomic_or_16_nv) 94 95 ENTRY(__sync_fetch_and_or_2) 96 movl 4(%sp), %a0 97 1: movw (%a0), %d0 98 movw %d0, %d1 99 orw 8(%sp), %d1 100 casw %d0, %d1, (%a0) 101 bne 1b 102 rts 103 END(__sync_fetch_and_or_2) 104 105 106 ENTRY(_atomic_or_8_nv) 107 movl 4(%sp), %a0 108 1: movb (%a0), %d0 109 movb %d0, %d1 110 orb 8(%sp), %d0 111 casb %d1, %d0, (%a0) 112 bne 1b 113 rts 114 END(_atomic_or_8_nv) 115 CRT_ALIAS(__sync_or_and_fetch_1, _atomic_or_8_nv) 116 117 ENTRY(__sync_fetch_and_or_1) 118 movl 4(%sp), %a0 119 1: movb (%a0), %d0 120 movb %d0, %d1 121 orb 8(%sp), %d1 122 casb %d0, %d1, (%a0) 123 bne 1b 124 rts 125 END(__sync_fetch_and_or_1) 126 127 CRT_ALIAS(__atomic_fetch_or_1,__sync_fetch_and_or_1) 128 CRT_ALIAS(__atomic_fetch_or_2,__sync_fetch_and_or_2) 129 CRT_ALIAS(__atomic_fetch_or_4,__sync_fetch_and_or_4) 130
Indexes created Sat Sep 20 22:09:52 GMT 2025