split api call stubs into accessor and function call stubs

src/ic/x64/handler-compiler-x64.cc

Index: src/ic/x64/handler-compiler-x64.cc
diff --git a/src/ic/x64/handler-compiler-x64.cc b/src/ic/x64/handler-compiler-x64.cc
index 46fa8cc337139fa0089a14b2c79e7b22a6161ed8..8f4918e75598549d9790b1b8b4fe6e6108cf497d 100644
--- a/src/ic/x64/handler-compiler-x64.cc
+++ b/src/ic/x64/handler-compiler-x64.cc
@@ -128,21 +128,20 @@ static void CompileCallLoadPropertyWithInterceptor(
 
 
 // Generate call to api function.
-void PropertyHandlerCompiler::GenerateFastApiCall(
+void PropertyHandlerCompiler::GenerateApiAccessorCall(
     MacroAssembler* masm, const CallOptimization& optimization,
     Handle<Map> receiver_map, Register receiver, Register scratch_in,
-    bool is_store, int argc, Register* values) {
+    bool is_store, Register store_parameter) {
   DCHECK(optimization.is_simple_api_call());
 
   __ PopReturnAddressTo(scratch_in);
   // receiver
   __ Push(receiver);
   // Write the arguments to stack frame.
-  for (int i = 0; i < argc; i++) {
-    Register arg = values[argc - 1 - i];
-    DCHECK(!receiver.is(arg));
-    DCHECK(!scratch_in.is(arg));
-    __ Push(arg);
+  if (is_store) {
+    DCHECK(!receiver.is(store_parameter));
+    DCHECK(!scratch_in.is(store_parameter));
+    __ Push(store_parameter);
   }
   __ PushReturnAddressFrom(scratch_in);
   // Stack now matches JSFunction abi.
@@ -196,7 +195,7 @@ void PropertyHandlerCompiler::GenerateFastApiCall(
           RelocInfo::EXTERNAL_REFERENCE);
 
   // Jump to stub.
-  CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc);
+  CallApiAccessorStub stub(isolate, is_store, call_data_undefined);
   __ TailCallStub(&stub);
 }