From db3226a64681173d9d785cd71153a110b2b2dcee Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Mon, 13 Apr 2020 12:18:48 +0200
Subject: [PATCH] Add (empty) read barrier definition

---
 common_x86.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common_x86.h b/common_x86.h
index 99adc9f5b..ec928e236 100644
--- a/common_x86.h
+++ b/common_x86.h
@@ -47,6 +47,7 @@
 
 #define MB
 #define WMB
+#define RMB
 
 #ifdef C_SUN
 #define	__asm__ __asm