split api call stubs into accessor and function call stubs

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

Index: src/ic/arm/handler-compiler-arm.cc
diff --git a/src/ic/arm/handler-compiler-arm.cc b/src/ic/arm/handler-compiler-arm.cc
index 9905e4eb7de75b4b38f659e91f58df62e3f53362..c17078a33527ce83dc45cc314fb02398baab78cf 100644
--- a/src/ic/arm/handler-compiler-arm.cc
+++ b/src/ic/arm/handler-compiler-arm.cc
@@ -229,18 +229,17 @@ 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(!receiver.is(scratch_in));
   __ 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);
   }
   DCHECK(optimization.is_simple_api_call());
 
@@ -274,8 +273,8 @@ void PropertyHandlerCompiler::GenerateFastApiCall(
   // Put callee in place.
   __ Move(callee, function);
 
-  bool call_data_undefined = false;

[jochen (gone - plz use gerrit), 2015/01/15 19:28:24]

nit. undo this change

   // Put call_data in place.
+  bool call_data_undefined = false;
   if (isolate->heap()->InNewSpace(*call_data_obj)) {
     __ Move(call_data, api_call_info);
     __ ldr(call_data, FieldMemOperand(call_data, CallHandlerInfo::kDataOffset));
@@ -294,7 +293,7 @@ void PropertyHandlerCompiler::GenerateFastApiCall(
   __ mov(api_function_address, Operand(ref));
 
   // Jump to stub.
-  CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc);
+  CallApiAccessorStub stub(isolate, is_store, call_data_undefined);
   __ TailCallStub(&stub);
 }