From 3bdb462352925c06416e5447f959ede6dba60d7c Mon Sep 17 00:00:00 2001
From: kkojima <kkojima@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 12 Jan 2007 22:27:49 +0000
Subject: [PATCH] * sysdep/sh/locks.h (read_barrier): New.
(write_barrier): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120735 138bc75d-0d04-0410-961f-82ee72b054a4
---
libjava/ChangeLog | 5 +++++
libjava/sysdep/sh/locks.h | 14 +++++++++++++-
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 1269fc862f82..70a158386f5e 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-12 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * sysdep/sh/locks.h (read_barrier): New.
+ (write_barrier): Likewise.
+
2007-01-12 Andrew Haley <aph@redhat.com>
* include/i386-signal.h: Rewrite to use rt_sigaction.
diff --git a/libjava/sysdep/sh/locks.h b/libjava/sysdep/sh/locks.h
index f6076d601997..9a152fb30e58 100644
--- a/libjava/sysdep/sh/locks.h
+++ b/libjava/sysdep/sh/locks.h
@@ -1,6 +1,6 @@
// locks.h - Thread synchronization primitives. SuperH implementation.
-/* Copyright (C) 2002 Free Software Foundation
+/* Copyright (C) 2002, 2007 Free Software Foundation
This file is part of libgcj.
@@ -69,4 +69,16 @@ compare_and_swap_release (volatile obj_addr_t *addr, obj_addr_t old,
return compare_and_swap (addr, old, new_val);
}
+inline static void
+read_barrier()
+{
+ __asm__ __volatile__(" " : : : "memory");
+}
+
+inline static void
+write_barrier()
+{
+ __asm__ __volatile__(" " : : : "memory");
+}
+
#endif /* ! __SYSDEP_LOCKS_H__ */
--
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