ARM/ARM64: Optimise HLoadNamedField and HStoreNamedField.

src/arm64/lithium-arm64.h

Index: src/arm64/lithium-arm64.h
diff --git a/src/arm64/lithium-arm64.h b/src/arm64/lithium-arm64.h
index 18dd927d815d5a6e5cab8f13b3caf2ab08110d26..57e1123d44ba8719310fe608b8b423f058a0763f 100644
--- a/src/arm64/lithium-arm64.h
+++ b/src/arm64/lithium-arm64.h
@@ -1672,13 +1672,15 @@ class LLoadContextSlot V8_FINAL : public LTemplateInstruction<1, 1, 0> {
 };
 
 
-class LLoadNamedField V8_FINAL : public LTemplateInstruction<1, 1, 0> {
+class LLoadNamedField V8_FINAL : public LTemplateInstruction<1, 2, 0> {
  public:
-  explicit LLoadNamedField(LOperand* object) {
+  LLoadNamedField(LOperand* object, LOperand* object_properties = NULL) {
     inputs_[0] = object;
+    inputs_[1] = object_properties;
   }
 
   LOperand* object() { return inputs_[0]; }
+  LOperand* object_properties() { return inputs_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
   DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
@@ -2551,18 +2553,21 @@ class LStoreKeyedGeneric V8_FINAL : public LTemplateInstruction<0, 4, 0> {
 };
 
 
-class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 2, 2> {
+class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 3, 2> {
  public:
   LStoreNamedField(LOperand* object, LOperand* value,
-                   LOperand* temp0, LOperand* temp1) {
+                   LOperand* temp0, LOperand* temp1,
+                   LOperand* object_properties = NULL) {
     inputs_[0] = object;
     inputs_[1] = value;
+    inputs_[2] = object_properties;
     temps_[0] = temp0;
     temps_[1] = temp1;
   }
 
   LOperand* object() { return inputs_[0]; }
   LOperand* value() { return inputs_[1]; }
+  LOperand* object_properties() { return inputs_[2]; }
   LOperand* temp0() { return temps_[0]; }
   LOperand* temp1() { return temps_[1]; }