X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=action.cc;h=d4c6253caf20c23411c60ba350a91760c386e6fc;hb=refs%2Fheads%2Fmaster;hp=3d38e81c93d1111bf8828448fd5a52718c17eea6;hpb=6d27ffdd1fc1f816a8381c4c0553256598d62f4a;p=model-checker.git

diff --git a/action.cc b/action.cc
index 3d38e81..d4c6253 100644
--- a/action.cc
+++ b/action.cc
@@ -9,6 +9,7 @@
 #include "common.h"
 #include "threads-model.h"
 #include "nodestack.h"
+#include "wildcard.h"
 
 #define ACTION_INITIAL_CLOCK 0
 
@@ -34,6 +35,7 @@ ModelAction::ModelAction(action_type_t type, memory_order order, void *loc,
 		uint64_t value, Thread *thread) :
 	type(type),
 	order(order),
+	original_order(order),
 	location(loc),
 	value(value),
 	reads_from(NULL),
@@ -192,6 +194,11 @@ bool ModelAction::is_initialization() const
 	return type == ATOMIC_INIT;
 }
 
+bool ModelAction::is_annotation() const
+{
+	return type == ATOMIC_ANNOTATION;
+}
+
 bool ModelAction::is_relaxed() const
 {
 	return order == std::memory_order_relaxed;
@@ -323,7 +330,7 @@ bool ModelAction::could_synchronize_with(const ModelAction *act) const
 		return false;
 
 	// Different locations commute
-	if (!same_var(act))
+	if (!same_var(act) && !is_fence() && !act->is_fence())
 		return false;
 
 	// Explore interleavings of seqcst writes/fences to guarantee total
@@ -547,7 +554,8 @@ const char * ModelAction::get_type_str() const
 		case ATOMIC_TRYLOCK: return "trylock";
 		case ATOMIC_WAIT: return "wait";
 		case ATOMIC_NOTIFY_ONE: return "notify one";
-		case ATOMIC_NOTIFY_ALL: return "notify all";
+	  case ATOMIC_NOTIFY_ALL: return "notify all";
+	  case ATOMIC_ANNOTATION: return "annotation";
 		default: return "unknown type";
 	};
 }