Support load function prototype in hydrogen/lithium.

src/ia32/lithium-ia32.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 112 matching lines @@
 //     LHasInstanceTypeAndBranch
 //     LInteger32ToDouble
 //     LIsNull
 //     LIsNullAndBranch
 //     LIsObject
 //     LIsObjectAndBranch
 //     LIsSmi
 //     LIsSmiAndBranch
 //     LLoadNamedField
 //     LLoadNamedGeneric
+//     LLoadFunctionPrototype
 //     LNumberTagD
 //     LNumberTagI
 //     LPushArgument
 //     LReturn
 //     LSmiTag
 //     LStoreGlobal
 //     LTaggedToI
 //     LThrow
 //     LTypeof
 //     LTypeofIs
@@ skipping 76 matching lines @@
   V(ClassOfTest)                                \
   V(ClassOfTestAndBranch)                       \
   V(Label)                                      \
   V(LazyBailout)                                \
   V(LoadElements)                               \
   V(LoadGlobal)                                 \
   V(LoadKeyedFastElement)                       \
   V(LoadKeyedGeneric)                           \
   V(LoadNamedField)                             \
   V(LoadNamedGeneric)                           \
+  V(LoadFunctionPrototype)                      \
   V(ModI)                                       \
   V(MulI)                                       \
   V(NumberTagD)                                 \
   V(NumberTagI)                                 \
   V(NumberUntagD)                               \
   V(ObjectLiteral)                              \
   V(OsrEntry)                                   \
   V(Parameter)                                  \
   V(Power)                                      \
   V(PushArgument)                               \
@@ skipping 1025 matching lines @@
   explicit LLoadNamedGeneric(LOperand* object) : LUnaryOperation(object) { }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
   DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
 
   LOperand* object() const { return input(); }
   Handle<Object> name() const { return hydrogen()->name(); }
 };
 
 
+class LLoadFunctionPrototype: public LUnaryOperation {
+ public:
+  LLoadFunctionPrototype(LOperand* function, LOperand* temporary)
+      : LUnaryOperation(function), temporary_(temporary) { }
+
+  DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
+  DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
+
+  LOperand* function() const { return input(); }
+  LOperand* temporary() const { return temporary_; }
+
+ private:
+  LOperand* temporary_;
+};
+
+
 class LLoadElements: public LUnaryOperation {
  public:
   explicit LLoadElements(LOperand* obj) : LUnaryOperation(obj) { }
 
   DECLARE_CONCRETE_INSTRUCTION(LoadElements, "load-elements")
 };
 
 
 class LLoadKeyedFastElement: public LBinaryOperation {
  public:
@@ skipping 835 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_IA32_H_