1 files changed, 53 insertions, 6 deletions

diff --git a/deps/v8/src/arm/lithium-arm.h b/deps/v8/src/arm/lithium-arm.h
index 0d5ba0f73f..41209c67d5 100644
--- a/deps/v8/src/arm/lithium-arm.h
+++ b/deps/v8/src/arm/lithium-arm.h
@@ -121,6 +121,8 @@ class Translation;
 //     LInteger32ToDouble
 //     LIsNull
 //     LIsNullAndBranch
+//     LIsObject
+//     LIsObjectAndBranch
 //     LIsSmi
 //     LIsSmiAndBranch
 //     LLoadNamedField
@@ -203,6 +205,8 @@ class Translation;
   V(Integer32ToDouble)                          \
   V(IsNull)                                     \
   V(IsNullAndBranch)                            \
+  V(IsObject)                                   \
+  V(IsObjectAndBranch)                          \
   V(IsSmi)                                      \
   V(IsSmiAndBranch)                             \
   V(HasInstanceType)                            \
@@ -665,7 +669,7 @@ class LUnaryMathOperation: public LUnaryOperation {
   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 
   virtual void PrintDataTo(StringStream* stream) const;
-  MathFunctionId op() const { return hydrogen()->op(); }
+  BuiltinFunctionId op() const { return hydrogen()->op(); }
 };
 
 
@@ -742,6 +746,48 @@ class LIsNullAndBranch: public LIsNull {
 };
 
 
+class LIsObject: public LUnaryOperation {
+ public:
+  LIsObject(LOperand* value, LOperand* temp)
+      : LUnaryOperation(value), temp_(temp) {}
+
+  DECLARE_CONCRETE_INSTRUCTION(IsObject, "is-object")
+
+  LOperand* temp() const { return temp_; }
+
+ private:
+  LOperand* temp_;
+};
+
+
+class LIsObjectAndBranch: public LIsObject {
+ public:
+  LIsObjectAndBranch(LOperand* value,
+                     LOperand* temp,
+                     LOperand* temp2,
+                     int true_block_id,
+                     int false_block_id)
+      : LIsObject(value, temp),
+        temp2_(temp2),
+        true_block_id_(true_block_id),
+        false_block_id_(false_block_id) { }
+
+  DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch")
+  virtual void PrintDataTo(StringStream* stream) const;
+  virtual bool IsControl() const { return true; }
+
+  int true_block_id() const { return true_block_id_; }
+  int false_block_id() const { return false_block_id_; }
+
+  LOperand* temp2() const { return temp2_; }
+
+ private:
+  LOperand* temp2_;
+  int true_block_id_;
+  int false_block_id_;
+};
+
+
 class LIsSmi: public LUnaryOperation {
  public:
   explicit LIsSmi(LOperand* value) : LUnaryOperation(value) {}
@@ -1395,15 +1441,17 @@ class LNumberTagI: public LUnaryOperation {
 
 class LNumberTagD: public LUnaryOperation {
  public:
-  explicit LNumberTagD(LOperand* value, LOperand* temp)
-      : LUnaryOperation(value), temp_(temp) { }
+  LNumberTagD(LOperand* value, LOperand* temp1, LOperand* temp2)
+      : LUnaryOperation(value), temp1_(temp1), temp2_(temp2) { }
 
   DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
 
-  LOperand* temp() const { return temp_; }
+  LOperand* temp1() const { return temp1_; }
+  LOperand* temp2() const { return temp2_; }
 
  private:
-  LOperand* temp_;
+  LOperand* temp1_;
+  LOperand* temp2_;
 };
 
 
@@ -1887,7 +1935,6 @@ class LChunk: public ZoneObject {
   LGap* GetGapAt(int index) const;
   bool IsGapAt(int index) const;
   int NearestGapPos(int index) const;
-  int NearestNextGapPos(int index) const;
   void MarkEmptyBlocks();
   const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; }
   LLabel* GetLabel(int block_id) const {