From: Neale Ferguson <neale@mono-cvs.ximian.com>
Date: Mon, 22 Jun 2009 22:40:05 +0000 (+0000)
Subject: Define a no-op memory barrier for s390(x)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4f28716978a7ffc8e9e5a1ce0a42248f2b257154;p=gc

Define a no-op memory barrier for s390(x)

svn path=/trunk/mono/; revision=136657
---

diff --git a/ChangeLog b/ChangeLog
index 923c82ef..58a1fcfe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 2009-06-22  Neale Ferguson <neale@sinenomine.net>
 
 	* include/private/gc_locks.h: Fix typo in 390 version of GC_compare_and_exchange
+	and define a null memory barrier.
 
 2009-06-16  Geoff Norton  <gnorton@novell.com>
 
diff --git a/include/private/gc_locks.h b/include/private/gc_locks.h
index 6692df8f..6b1256dc 100644
--- a/include/private/gc_locks.h
+++ b/include/private/gc_locks.h
@@ -583,6 +583,7 @@
            return retval == 0;
          }
 #      endif
+#      define GC_memory_barrier()
 #     endif
 #     if !defined(GENERIC_COMPARE_AND_SWAP)
         /* Returns the original value of *addr.	*/