Initial SIMDBC interpreter.

runtime/vm/cpu_dbc.cc

Index: runtime/vm/cpu_dbc.cc
diff --git a/runtime/vm/cpu_dbc.cc b/runtime/vm/cpu_dbc.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8fcff5bb58f98d560cf4fbf70b095d7e8847a761
--- /dev/null
+++ b/runtime/vm/cpu_dbc.cc
@@ -0,0 +1,26 @@
+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#include "vm/globals.h"
+#if defined(TARGET_ARCH_DBC)
+
+#include "vm/cpu.h"
+
+
+namespace dart {
+
+
+void CPU::FlushICache(uword start, uword size) {
+  // Nothing to do.
+}
+
+
+const char* CPU::Id() {
+  return "dbc";
+}
+
+
+}  // namespace dart
+
+#endif  // defined TARGET_ARCH_DBC