1 /* $NetBSD: atomic_and.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_and_32) 37 movl 4(%sp), %a0 38 movl 8(%sp), %d0 39 andl %d0, (%a0) 40 rts 41 END(_atomic_and_32) 42 ATOMIC_OP_ALIAS(atomic_and_32,_atomic_and_32) 43 ATOMIC_OP_ALIAS(atomic_and_uint,_atomic_and_32) 44 STRONG_ALIAS(_atomic_and_uint,_atomic_and_32) 45 ATOMIC_OP_ALIAS(atomic_and_ulong,_atomic_and_32) 46 STRONG_ALIAS(_atomic_and_ulong,_atomic_and_32) 47 ATOMIC_OP_ALIAS(atomic_and_ptr,_atomic_and_32) 48 STRONG_ALIAS(_atomic_and_ptr,_atomic_and_32) 49 50 ENTRY(_atomic_and_32_nv) 51 movl 4(%sp), %a0 52 1: movl (%a0), %d0 53 movl %d0, %d1 54 andl 8(%sp), %d0 55 casl %d1, %d0, (%a0) 56 bne 1b 57 movl %d0, %a0 58 rts 59 END(_atomic_and_32_nv) 60 ATOMIC_OP_ALIAS(atomic_and_32_nv,_atomic_and_32_nv) 61 ATOMIC_OP_ALIAS(atomic_and_uint_nv,_atomic_and_32_nv) 62 STRONG_ALIAS(_atomic_and_uint_nv,_atomic_and_32_nv) 63 ATOMIC_OP_ALIAS(atomic_and_ulong_nv,_atomic_and_32_nv) 64 STRONG_ALIAS(_atomic_and_ulong_nv,_atomic_and_32_nv) 65 ATOMIC_OP_ALIAS(atomic_and_ptr_nv,_atomic_and_32_nv) 66 STRONG_ALIAS(_atomic_and_ptr_nv,_atomic_and_32_nv) 67 CRT_ALIAS(__sync_and_and_fetch_4,_atomic_and_32_nv) 68 69 ENTRY(__sync_fetch_and_and_4) 70 movl 4(%sp), %a0 71 1: movl (%a0), %d0 72 movl %d0, %d1 73 andl 8(%sp), %d1 74 casl %d0, %d1, (%a0) 75 bne 1b 76 movl %d0, %a0 77 rts 78 END(__sync_fetch_and_and_4) 79 80 81 ENTRY(_atomic_and_16_nv) 82 movl 4(%sp), %a0 83 1: movw (%a0), %d0 84 movw %d0, %d1 85 andw 8(%sp), %d0 86 casw %d1, %d0, (%a0) 87 bne 1b 88 rts 89 END(_atomic_and_16_nv) 90 91 CRT_ALIAS(__sync_and_and_fetch_2,_atomic_and_16_nv) 92 93 ENTRY(__sync_fetch_and_and_2) 94 movl 4(%sp), %a0 95 1: movw (%a0), %d0 96 movw %d0, %d1 97 andw 8(%sp), %d1 98 casw %d0, %d1, (%a0) 99 bne 1b 100 rts 101 END(__sync_fetch_and_and_2) 102 103 104 ENTRY(_atomic_and_8_nv) 105 movl 4(%sp), %a0 106 1: movb (%a0), %d0 107 movb %d0, %d1 108 andb 8(%sp), %d0 109 casb %d1, %d0, (%a0) 110 bne 1b 111 rts 112 END(_atomic_and_8_nv) 113 114 CRT_ALIAS(__sync_and_and_fetch_1,_atomic_and_8_nv) 115 116 ENTRY(__sync_fetch_and_and_1) 117 movl 4(%sp), %a0 118 1: movb (%a0), %d0 119 movb %d0, %d1 120 andb 8(%sp), %d1 121 casb %d0, %d1, (%a0) 122 bne 1b 123 rts 124 END(__sync_fetch_and_and_1) 125 126 CRT_ALIAS(__atomic_fetch_and_1,__sync_fetch_and_and_1) 127 CRT_ALIAS(__atomic_fetch_and_2,__sync_fetch_and_and_2) 128 CRT_ALIAS(__atomic_fetch_and_4,__sync_fetch_and_and_4) 129
Indexes created Sun Sep 21 15:09:59 GMT 2025