summaryrefslogtreecommitdiff
path: root/sysdeps/i386/bits/memory.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/bits/memory.h')
-rw-r--r--sysdeps/i386/bits/memory.h39
1 files changed, 0 insertions, 39 deletions
diff --git a/sysdeps/i386/bits/memory.h b/sysdeps/i386/bits/memory.h
deleted file mode 100644
index edbb468..0000000
--- a/sysdeps/i386/bits/memory.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Memory barrier operations. i386 version.
- Copyright (C) 2002-2018 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
-
-#ifndef _BITS_MEMORY_H
-#define _BITS_MEMORY_H 1
-
-/* Prevent read and write reordering across this function. */
-static inline void
-__memory_barrier (void)
-{
- int i;
-
- /* Any lock'ed instruction will do. We just do a simple
- increment. */
- __asm__ __volatile ("lock; incl %0" : "=m" (i) : "m" (i) : "memory");
-}
-
-/* Prevent read reordering across this function. */
-#define __memory_read_barrier __memory_barrier
-
-/* Prevent write reordering across this function. */
-#define __memory_write_barrier __memory_barrier
-
-#endif