Add EmitNamedStore and CallStoreIC(name, is_contextual) to x64 platform.

src/x64/virtual-frame-x64.cc

 // 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 1150 matching lines @@
     }
     value->Unuse();
     key->Unuse();
     receiver->Unuse();
   }
 
   return RawCallCodeObject(ic, RelocInfo::CODE_TARGET);
 }
 
 
+Result VirtualFrame::CallStoreIC(Handle<String> name, bool is_contextual) {
+  // Value and (if not contextual) receiver are on top of the frame.
+  // The IC expects name in rcx, value in rax, and receiver in rdx.
+  Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize));
+  Result value = Pop();
+  if (is_contextual) {
+    PrepareForCall(0, 0);
+    value.ToRegister(rax);
+    __ movq(rdx, Operand(rsi, Context::SlotOffset(Context::GLOBAL_INDEX)));
+    value.Unuse();
+  } else {
+    Result receiver = Pop();
+    PrepareForCall(0, 0);
+    MoveResultsToRegisters(&value, &receiver, rax, rdx);
+  }
+  __ Move(rcx, name);
+  return RawCallCodeObject(ic, RelocInfo::CODE_TARGET);
+}
+
+
 Result VirtualFrame::CallCallIC(RelocInfo::Mode mode,
                                 int arg_count,
                                 int loop_nesting) {
   // Function name, arguments, and receiver are found on top of the frame
   // and dropped by the call.  The IC expects the name in rcx and the rest
   // on the stack, and drops them all.
   InLoopFlag in_loop = loop_nesting > 0 ? IN_LOOP : NOT_IN_LOOP;
   Handle<Code> ic = cgen()->ComputeCallInitialize(arg_count, in_loop);
   Result name = Pop();
   // Spill args, receiver, and function.  The call will drop args and
@@ skipping 55 matching lines @@
   Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64