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all_sync_ops_linkable.c
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cpp_atomic_ops_linkable.cc
(3.12 KB)
Editing: all_sync_ops_linkable.c
/* $NetBSD: all_sync_ops_linkable.c,v 1.4 2014/02/21 10:26:25 martin Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Martin Husemann <martin@NetBSD.org>. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * This is a simple link-time test to verify all builtin atomic sync * operations are available. Depending on the exact cpu/arch code generator * options, some of these need support functions (which on NetBSD we * typically provide in src/common/lib/libc/atomic). * * The list of operations has been extracted from sync-builtins.def file * in the gcc distribution (as of gcc 4.8.2). */ #include <machine/types.h> #include <sys/inttypes.h> volatile uint8_t u8 = 0; volatile uint16_t u16 = 0; volatile uint32_t u32 = 0; #ifdef __HAVE_ATOMIC64_OPS volatile uint64_t u64 = 0; #endif int main(int argc, char **argv) { __sync_synchronize(); __sync_add_and_fetch(&u8, 1); __sync_add_and_fetch_1(&u8, 1); __sync_add_and_fetch_2(&u16, 1); __sync_add_and_fetch_4(&u32, 1); #ifdef __HAVE_ATOMIC64_OPS __sync_add_and_fetch_8(&u64, 1); #endif __sync_bool_compare_and_swap(&u8, 1, 2); __sync_bool_compare_and_swap_1(&u8, 1, 2); __sync_bool_compare_and_swap_2(&u16, 1, 2); __sync_bool_compare_and_swap_4(&u32, 1, 2); #ifdef __HAVE_ATOMIC64_OPS __sync_bool_compare_and_swap_8(&u64, 1, 2); #endif __sync_fetch_and_add(&u8, 1); __sync_fetch_and_add_1(&u8, 1); __sync_fetch_and_add_2(&u16, 1); __sync_fetch_and_add_4(&u32, 1); #ifdef __HAVE_ATOMIC64_OPS __sync_fetch_and_add_8(&u64, 1); #endif __sync_fetch_and_and(&u8, 0x80); __sync_fetch_and_and_1(&u8, 0x80); __sync_fetch_and_and_2(&u16, 0x80); __sync_fetch_and_and_4(&u32, 0x80); #ifdef __HAVE_ATOMIC64_OPS __sync_fetch_and_and_8(&u64, 0x80); #endif #ifndef __clang__ __sync_fetch_and_nand(&u8, 0x80); __sync_fetch_and_nand_1(&u8, 0x80); __sync_fetch_and_nand_2(&u16, 0x80); __sync_fetch_and_nand_4(&u32, 0x80); #ifdef __HAVE_ATOMIC64_OPS __sync_fetch_and_nand_8(&u64, 0x80); #endif #endif __sync_fetch_and_or(&u8, 0x80); __sync_fetch_and_or_1(&u8, 0x80); __sync_fetch_and_or_2(&u16, 0x80); __sync_fetch_and_or_4(&u32, 0x80); #ifdef __HAVE_ATOMIC64_OPS __sync_fetch_and_or_8(&u64, 0x80); #endif __sync_fetch_and_sub(&u8, 0x80); __sync_fetch_and_sub_1(&u8, 0x80); __sync_fetch_and_sub_2(&u16, 0x80); __sync_fetch_and_sub_4(&u32, 0x80); #ifdef __HAVE_ATOMIC64_OPS __sync_fetch_and_sub_8(&u64, 0x80); #endif __sync_fetch_and_xor(&u8, 0x80); __sync_fetch_and_xor_1(&u8, 0x80); __sync_fetch_and_xor_2(&u16, 0x80); __sync_fetch_and_xor_4(&u32, 0x80); #ifdef __HAVE_ATOMIC64_OPS __sync_fetch_and_xor_8(&u64, 0x80); #endif __sync_lock_release(&u8); __sync_lock_release_1(&u8); __sync_lock_release_2(&u16); __sync_lock_release_4(&u32); #ifdef __HAVE_ATOMIC64_OPS __sync_lock_release_8(&u64); #endif __sync_lock_test_and_set(&u8, 5); __sync_lock_test_and_set_1(&u8, 5); __sync_lock_test_and_set_2(&u16, 5); __sync_lock_test_and_set_4(&u32, 5); #ifdef __HAVE_ATOMIC64_OPS __sync_lock_test_and_set_8(&u64, 5); #endif #ifndef __clang__ __sync_nand_and_fetch(&u8, 5); __sync_nand_and_fetch_1(&u8, 5); __sync_nand_and_fetch_2(&u16, 5); __sync_nand_and_fetch_4(&u32, 5); #ifdef __HAVE_ATOMIC64_OPS __sync_nand_and_fetch_8(&u64, 5); #endif #endif __sync_or_and_fetch(&u8, 5); __sync_or_and_fetch_1(&u8, 5); __sync_or_and_fetch_2(&u16, 5); __sync_or_and_fetch_4(&u32, 5); #ifdef __HAVE_ATOMIC64_OPS __sync_or_and_fetch_8(&u64, 5); #endif __sync_sub_and_fetch(&u8, 5); __sync_sub_and_fetch_1(&u8, 5); __sync_sub_and_fetch_2(&u16, 5); __sync_sub_and_fetch_4(&u32, 5); #ifdef __HAVE_ATOMIC64_OPS __sync_sub_and_fetch_8(&u64, 5); #endif __sync_val_compare_and_swap(&u8, 5, 9); __sync_val_compare_and_swap_1(&u8, 5, 9); __sync_val_compare_and_swap_2(&u16, 5, 9); __sync_val_compare_and_swap_4(&u32, 5, 9); #ifdef __HAVE_ATOMIC64_OPS __sync_val_compare_and_swap_8(&u64, 5, 9); #endif __sync_xor_and_fetch(&u8, 5); __sync_xor_and_fetch_1(&u8, 5); __sync_xor_and_fetch_2(&u16, 5); __sync_xor_and_fetch_4(&u32, 5); #ifdef __HAVE_ATOMIC64_OPS __sync_xor_and_fetch_8(&u64, 5); #endif return 0; }
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