ARM64: Support MultiplyAccumulate for SIMD.

Test: test-art-host, test-art-target.

Change-Id: I06af8415e15352d09d176cae828163cbe99ae7a7
diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 1b2b9f8..e5d94c3 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -514,6 +514,10 @@
     StartAttributeStream("rounded") << std::boolalpha << hadd->IsRounded() << std::noboolalpha;
   }
 
+  void VisitVecMultiplyAccumulate(HVecMultiplyAccumulate* instruction) OVERRIDE {
+    StartAttributeStream("kind") << instruction->GetOpKind();
+  }
+
 #if defined(ART_ENABLE_CODEGEN_arm) || defined(ART_ENABLE_CODEGEN_arm64)
   void VisitMultiplyAccumulate(HMultiplyAccumulate* instruction) OVERRIDE {
     StartAttributeStream("kind") << instruction->GetOpKind();