* 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

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 1269fc8..70a1583 100644 (file)
--- 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.
 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 f6076d6..9a152fb 100644 (file)
--- a/libjava/sysdep/sh/locks.h
+++ b/libjava/sysdep/sh/locks.h
@@ -1,6 +1,6 @@
 // locks.h - Thread synchronization primitives. SuperH implementation.
 
 // 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.
 
 
    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);
 }
 
   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__ */
 #endif /* ! __SYSDEP_LOCKS_H__ */