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authorPaul Pluzhnikov <ppluzhnikov@google.com>2012-05-02 13:58:40 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2012-05-02 13:58:40 -0700
commitb93d565a5117afc5dde458438d5d16621b9c4dd4 (patch)
treebe796188dda31c1aadd08d24d5f254155e7e127e /nptl/sysdeps/i386/pthread_spin_lock.c
parent0be196addae0e464aa32fcccc9d679c2f83f01b4 (diff)
Avoid "anonymous" code in pthread_spin_lock.
Diffstat (limited to 'nptl/sysdeps/i386/pthread_spin_lock.c')
-rw-r--r--nptl/sysdeps/i386/pthread_spin_lock.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/nptl/sysdeps/i386/pthread_spin_lock.c b/nptl/sysdeps/i386/pthread_spin_lock.c
deleted file mode 100644
index c059e0123a..0000000000
--- a/nptl/sysdeps/i386/pthread_spin_lock.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/* Copyright (C) 2002,2003,2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include "pthreadP.h"
-
-#ifndef LOCK_PREFIX
-# ifdef UP
-# define LOCK_PREFIX /* nothing */
-# else
-# define LOCK_PREFIX "lock;"
-# endif
-#endif
-
-
-int
-pthread_spin_lock (lock)
- pthread_spinlock_t *lock;
-{
- asm ("\n"
- "1:\t" LOCK_PREFIX "decl %0\n\t"
- "jne 2f\n\t"
- ".subsection 1\n\t"
- ".align 16\n"
- "2:\trep; nop\n\t"
- "cmpl $0, %0\n\t"
- "jg 1b\n\t"
- "jmp 2b\n\t"
- ".previous"
- : "=m" (*lock)
- : "m" (*lock));
-
- return 0;
-}