diff options
Diffstat (limited to 'lib/libc_r/arch/ia64/_atomic_lock.S')
-rw-r--r-- | lib/libc_r/arch/ia64/_atomic_lock.S | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/lib/libc_r/arch/ia64/_atomic_lock.S b/lib/libc_r/arch/ia64/_atomic_lock.S deleted file mode 100644 index b4b84da..0000000 --- a/lib/libc_r/arch/ia64/_atomic_lock.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (c) 2002 Marcel Moolenaar - * All rights reserved. - * - * 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 AUTHOR ``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 AUTHOR 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. - */ - -#if defined(LIBC_RCS) && !defined(lint) - .text - .asciz "$FreeBSD$" -#endif /* LIBC_RCS and not lint */ - -#include <machine/asm.h> - -/* - * Atomicly lock a location with an identifier provided the location - * is not currently locked. - * - * long _atomic_lock(long *); - */ -ENTRY(_atomic_lock, 1) - mov ar.ccv = r0 - add r14 = 1, r0 - nop 0 - ;; - cmpxchg8.acq r8 = [r32], r14, ar.ccv - br.ret.sptk rp -END(_atomic_lock) |