1/* $NetBSD: all_sync_ops_linkable.c,v 1.4 2014/02/21 10:26:25 martin 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 Martin Husemann <martin@NetBSD.org>. 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/* 33 * This is a simple link-time test to verify all builtin atomic sync 34 * operations are available. Depending on the exact cpu/arch code generator 35 * options, some of these need support functions (which on NetBSD we 36 * typically provide in src/common/lib/libc/atomic). 37 * 38 * The list of operations has been extracted from sync-builtins.def file 39 * in the gcc distribution (as of gcc 4.8.2). 40 */ 41 42#include <machine/types.h> 43#include <sys/inttypes.h> 44 45volatile uint8_t u8 = 0; 46volatile uint16_t u16 = 0; 47volatile uint32_t u32 = 0; 48 49#ifdef __HAVE_ATOMIC64_OPS 50volatile uint64_t u64 = 0; 51#endif 52 53int 54main(int argc, char **argv) 55{ 56 __sync_synchronize(); 57 __sync_add_and_fetch(&u8, 1); 58 __sync_add_and_fetch_1(&u8, 1); 59 __sync_add_and_fetch_2(&u16, 1); 60 __sync_add_and_fetch_4(&u32, 1); 61#ifdef __HAVE_ATOMIC64_OPS 62 __sync_add_and_fetch_8(&u64, 1); 63#endif 64 __sync_bool_compare_and_swap(&u8, 1, 2); 65 __sync_bool_compare_and_swap_1(&u8, 1, 2); 66 __sync_bool_compare_and_swap_2(&u16, 1, 2); 67 __sync_bool_compare_and_swap_4(&u32, 1, 2); 68#ifdef __HAVE_ATOMIC64_OPS 69 __sync_bool_compare_and_swap_8(&u64, 1, 2); 70#endif 71 __sync_fetch_and_add(&u8, 1); 72 __sync_fetch_and_add_1(&u8, 1); 73 __sync_fetch_and_add_2(&u16, 1); 74 __sync_fetch_and_add_4(&u32, 1); 75#ifdef __HAVE_ATOMIC64_OPS 76 __sync_fetch_and_add_8(&u64, 1); 77#endif 78 __sync_fetch_and_and(&u8, 0x80); 79 __sync_fetch_and_and_1(&u8, 0x80); 80 __sync_fetch_and_and_2(&u16, 0x80); 81 __sync_fetch_and_and_4(&u32, 0x80); 82#ifdef __HAVE_ATOMIC64_OPS 83 __sync_fetch_and_and_8(&u64, 0x80); 84#endif 85#ifndef __clang__ 86 __sync_fetch_and_nand(&u8, 0x80); 87 __sync_fetch_and_nand_1(&u8, 0x80); 88 __sync_fetch_and_nand_2(&u16, 0x80); 89 __sync_fetch_and_nand_4(&u32, 0x80); 90#ifdef __HAVE_ATOMIC64_OPS 91 __sync_fetch_and_nand_8(&u64, 0x80); 92#endif 93#endif 94 __sync_fetch_and_or(&u8, 0x80); 95 __sync_fetch_and_or_1(&u8, 0x80); 96 __sync_fetch_and_or_2(&u16, 0x80); 97 __sync_fetch_and_or_4(&u32, 0x80); 98#ifdef __HAVE_ATOMIC64_OPS 99 __sync_fetch_and_or_8(&u64, 0x80); 100#endif 101 __sync_fetch_and_sub(&u8, 0x80); 102 __sync_fetch_and_sub_1(&u8, 0x80); 103 __sync_fetch_and_sub_2(&u16, 0x80); 104 __sync_fetch_and_sub_4(&u32, 0x80); 105#ifdef __HAVE_ATOMIC64_OPS 106 __sync_fetch_and_sub_8(&u64, 0x80); 107#endif 108 __sync_fetch_and_xor(&u8, 0x80); 109 __sync_fetch_and_xor_1(&u8, 0x80); 110 __sync_fetch_and_xor_2(&u16, 0x80); 111 __sync_fetch_and_xor_4(&u32, 0x80); 112#ifdef __HAVE_ATOMIC64_OPS 113 __sync_fetch_and_xor_8(&u64, 0x80); 114#endif 115 __sync_lock_release(&u8); 116 __sync_lock_release_1(&u8); 117 __sync_lock_release_2(&u16); 118 __sync_lock_release_4(&u32); 119#ifdef __HAVE_ATOMIC64_OPS 120 __sync_lock_release_8(&u64); 121#endif 122 __sync_lock_test_and_set(&u8, 5); 123 __sync_lock_test_and_set_1(&u8, 5); 124 __sync_lock_test_and_set_2(&u16, 5); 125 __sync_lock_test_and_set_4(&u32, 5); 126#ifdef __HAVE_ATOMIC64_OPS 127 __sync_lock_test_and_set_8(&u64, 5); 128#endif 129#ifndef __clang__ 130 __sync_nand_and_fetch(&u8, 5); 131 __sync_nand_and_fetch_1(&u8, 5); 132 __sync_nand_and_fetch_2(&u16, 5); 133 __sync_nand_and_fetch_4(&u32, 5); 134#ifdef __HAVE_ATOMIC64_OPS 135 __sync_nand_and_fetch_8(&u64, 5); 136#endif 137#endif 138 __sync_or_and_fetch(&u8, 5); 139 __sync_or_and_fetch_1(&u8, 5); 140 __sync_or_and_fetch_2(&u16, 5); 141 __sync_or_and_fetch_4(&u32, 5); 142#ifdef __HAVE_ATOMIC64_OPS 143 __sync_or_and_fetch_8(&u64, 5); 144#endif 145 __sync_sub_and_fetch(&u8, 5); 146 __sync_sub_and_fetch_1(&u8, 5); 147 __sync_sub_and_fetch_2(&u16, 5); 148 __sync_sub_and_fetch_4(&u32, 5); 149#ifdef __HAVE_ATOMIC64_OPS 150 __sync_sub_and_fetch_8(&u64, 5); 151#endif 152 __sync_val_compare_and_swap(&u8, 5, 9); 153 __sync_val_compare_and_swap_1(&u8, 5, 9); 154 __sync_val_compare_and_swap_2(&u16, 5, 9); 155 __sync_val_compare_and_swap_4(&u32, 5, 9); 156#ifdef __HAVE_ATOMIC64_OPS 157 __sync_val_compare_and_swap_8(&u64, 5, 9); 158#endif 159 __sync_xor_and_fetch(&u8, 5); 160 __sync_xor_and_fetch_1(&u8, 5); 161 __sync_xor_and_fetch_2(&u16, 5); 162 __sync_xor_and_fetch_4(&u32, 5); 163#ifdef __HAVE_ATOMIC64_OPS 164 __sync_xor_and_fetch_8(&u64, 5); 165#endif 166 167 return 0; 168} 169