Add PushAddress(ExternalReference) for X64.

src/x64/stub-cache-x64.cc

Index: src/x64/stub-cache-x64.cc
diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc
index 86b4aff68d02b11ef6c7410499aa4e2da6b78611..a39d2b57d4fc4a9b2c0e0271aa1d037ada7b30b5 100644
--- a/src/x64/stub-cache-x64.cc
+++ b/src/x64/stub-cache-x64.cc
@@ -379,8 +379,7 @@ static void PushInterceptorArguments(MacroAssembler* masm,
   __ push(receiver);
   __ push(holder);
   __ push(FieldOperand(kScratchRegister, InterceptorInfo::kDataOffset));
-  __ movq(kScratchRegister, ExternalReference::isolate_address());
-  __ push(kScratchRegister);
+  __ PushAddress(ExternalReference::isolate_address());
 }
 
 
@@ -1010,8 +1009,7 @@ void StubCompiler::GenerateLoadCallback(Handle<JSObject> object,
   } else {
     __ Push(Handle<Object>(callback->data()));
   }
-  __ movq(kScratchRegister, ExternalReference::isolate_address());
-  __ push(kScratchRegister);  // isolate
+  __ PushAddress(ExternalReference::isolate_address());  // isolate
   __ push(name_reg);  // name
   // Save a pointer to where we pushed the arguments pointer.
   // This will be passed as the const AccessorInfo& to the C++ callback.
@@ -1186,8 +1184,7 @@ void StubCompiler::GenerateLoadInterceptor(Handle<JSObject> object,
       __ push(holder_reg);
       __ Move(holder_reg, callback);
       __ push(FieldOperand(holder_reg, AccessorInfo::kDataOffset));
-      __ movq(kScratchRegister, ExternalReference::isolate_address());
-      __ push(kScratchRegister);
+      __ PushAddress(ExternalReference::isolate_address());
       __ push(holder_reg);
       __ push(name_reg);
       __ push(scratch2);  // restore return address