Added LoadIC stub for getters.

src/x64/stub-cache-x64.cc

 // Copyright 2012 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 2680 matching lines @@
   GenerateLoadCallback(object, holder, rax, rcx, rdx, rbx, rdi, callback,
                        name, &miss);
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
+Handle<Code> LoadStubCompiler::CompileLoadViaGetter(
+    Handle<String> name,
+    Handle<JSObject> receiver,
+    Handle<JSObject> holder,
+    Handle<JSFunction> getter) {
+  // ----------- S t a t e -------------
+  //  -- rax    : receiver
+  //  -- rcx    : name
+  //  -- rsp[0] : return address
+  // -----------------------------------
+  Label miss;
+
+  // Check that the maps haven't changed.
+  __ JumpIfSmi(rax, &miss);
+  CheckPrototypes(receiver, rax, holder, rbx, rdx, rdi, name, &miss);
+
+  {
+    FrameScope scope(masm(), StackFrame::INTERNAL);
+
+    // Call the JavaScript getter with the receiver on the stack.
+    __ push(rax);
+    __ InvokeFunction(getter, ParameterCount(0), CALL_FUNCTION,
+                      NullCallWrapper(), CALL_AS_METHOD);
+
+    // Restore context register.
+    __ movq(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
+  }
+  __ ret(0);
+
+  __ bind(&miss);
+  GenerateLoadMiss(masm(), Code::LOAD_IC);
+
+  // Return the generated code.
+  return GetCode(CALLBACKS, name);
+}
+
+
 Handle<Code> LoadStubCompiler::CompileLoadConstant(Handle<JSObject> object,
                                                    Handle<JSObject> holder,
                                                    Handle<JSFunction> value,
                                                    Handle<String> name) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
   // -----------------------------------
   Label miss;
@@ skipping 1201 matching lines @@
     __ jmp(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64