From: Michael Ow <mow@svn.icu-project.org>
Date: Fri, 22 Jul 2011 20:29:09 +0000 (+0000)
Subject: ICU-8682 Use ReadWriteBarrier only on MSVC 9 and higher.
X-Git-Tag: milestone-59-0-1~4631
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1836eb29576cf92434b5ea63dab5cdb28745ee8d;p=icu

ICU-8682 Use ReadWriteBarrier only on MSVC 9 and higher.

X-SVN-Rev: 30408
---

diff --git a/icu4c/source/common/umutex.h b/icu4c/source/common/umutex.h
index 1ed9bb5e402..3083bda6454 100644
--- a/icu4c/source/common/umutex.h
+++ b/icu4c/source/common/umutex.h
@@ -70,7 +70,7 @@
 #  define UMTX_FULL_BARRIER
 # elif U_HAVE_GCC_ATOMICS
 #  define UMTX_FULL_BARRIER __sync_synchronize();
-# elif defined(U_WINDOWS)
+# elif defined(U_WINDOWS) && !(defined(_MSC_VER) && !(_MSC_VER >= 1500))
 #  define UMTX_FULL_BARRIER _ReadWriteBarrier();
 # elif defined(U_DARWIN)
 #  define UMTX_FULL_BARRIER OSMemoryBarrier();