[Isolates] Merge 6700:7030 from bleeding_edge to isolates.

src/x64/lithium-codegen-x64.h

Index: src/x64/lithium-codegen-x64.h
===================================================================
--- src/x64/lithium-codegen-x64.h	(revision 7031)
+++ src/x64/lithium-codegen-x64.h	(working copy)
@@ -53,6 +53,7 @@
         current_instruction_(-1),
         instructions_(chunk->instructions()),
         deoptimizations_(4),
+        jump_table_(4),
         deoptimization_literals_(8),
         inlined_function_count_(0),
         scope_(chunk->graph()->info()->scope()),
@@ -91,8 +92,8 @@
   void DoDeferredTaggedToI(LTaggedToI* instr);
   void DoDeferredMathAbsTaggedHeapNumber(LUnaryMathOperation* instr);
   void DoDeferredStackCheck(LGoto* instr);
-  void DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
-                                        Label* map_check);
+  void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr);
+  void DoDeferredLInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr);
 
   // Parallel move support.
   void DoParallelMove(LParallelMove* move);
@@ -118,6 +119,10 @@
   bool is_done() const { return status_ == DONE; }
   bool is_aborted() const { return status_ == ABORTED; }
 
+  int strict_mode_flag() const {
+    return info_->is_strict() ? kStrictMode : kNonStrictMode;
+  }
+
   LChunk* chunk() const { return chunk_; }
   Scope* scope() const { return scope_; }
   HGraph* graph() const { return chunk_->graph(); }
@@ -144,6 +149,7 @@
   bool GeneratePrologue();
   bool GenerateBody();
   bool GenerateDeferredCode();
+  bool GenerateJumpTable();
   bool GenerateSafepointTable();
 
   void CallCode(Handle<Code> code,
@@ -183,6 +189,7 @@
   XMMRegister ToDoubleRegister(int index) const;
 
   // Specific math operations - used from DoUnaryMathOperation.
+  void EmitIntegerMathAbs(LUnaryMathOperation* instr);
   void DoMathAbs(LUnaryMathOperation* instr);
   void DoMathFloor(LUnaryMathOperation* instr);
   void DoMathRound(LUnaryMathOperation* instr);
@@ -198,6 +205,7 @@
                        int arguments,
                        int deoptimization_index);
   void RecordSafepoint(LPointerMap* pointers, int deoptimization_index);
+  void RecordSafepoint(int deoptimization_index);
   void RecordSafepointWithRegisters(LPointerMap* pointers,
                                     int arguments,
                                     int deoptimization_index);
@@ -226,6 +234,17 @@
   // Caller should branch on equal condition.
   void EmitIsConstructCall(Register temp);
 
+  // Emits code for pushing a constant operand.
+  void EmitPushConstantOperand(LOperand* operand);
+
+  struct JumpTableEntry {
+    inline JumpTableEntry(Address address)
+        : label_(),
+          address_(address) { }
+    Label label_;
+    Address address_;
+  };
+
   LChunk* const chunk_;
   MacroAssembler* const masm_;
   CompilationInfo* const info_;
@@ -234,6 +253,7 @@
   int current_instruction_;
   const ZoneList<LInstruction*>* instructions_;
   ZoneList<LEnvironment*> deoptimizations_;
+  ZoneList<JumpTableEntry*> jump_table_;
   ZoneList<Handle<Object> > deoptimization_literals_;
   int inlined_function_count_;
   Scope* const scope_;