X64: Activate the IC stub for prototype lookups.

src/x64/ic-x64.cc

 // Copyright 2009 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 767 matching lines @@
 
   __ movq(rax, Operand(rsp, kPointerSize));
 
   StubCompiler::GenerateLoadArrayLength(masm, rax, rdx, &miss);
   __ bind(&miss);
   StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
 }
 
 
 void LoadIC::GenerateFunctionPrototype(MacroAssembler* masm) {
-  Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
+  // ----------- S t a t e -------------
+  //  -- rcx    : name
+  //  -- rsp[0] : return address
+  //  -- rsp[8] : receiver
+  // -----------------------------------
+
+  Label miss;
+
+  __ movq(rax, Operand(rsp, kPointerSize));
+
+  StubCompiler::GenerateLoadFunctionPrototype(masm, rax, rdx, rbx, &miss);
+  __ bind(&miss);
+  StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
 }
 
 
 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rcx    : name
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
 
   __ movq(rax, Operand(rsp, kPointerSize));
 
   // Probe the stub cache.
   Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC,
                                          NOT_IN_LOOP,
                                          MONOMORPHIC);
   StubCache::GenerateProbe(masm, flags, rax, rcx, rbx, rdx);
 
   // Cache miss: Jump to runtime.
-  Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
+  StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC);
 }
 
 
 void LoadIC::GenerateMiss(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rcx    : name
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
 
@@ skipping 88 matching lines @@
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal