crankshaft support for api method calls

src/arm/stub-cache-arm.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 770 matching lines @@
                                     const CallOptimization& optimization,
                                     int argc,
                                     Register holder_in,
                                     bool restore_context) {
   ASSERT(optimization.is_simple_api_call());
 
   // Abi for CallApiFunctionStub.
   Register callee = r0;
   Register call_data = r4;
   Register holder = r2;
-  Register api_function_address = r3;
-  Register thunk_arg = r1;
+  Register api_function_address = r1;
 
   // Put holder in place.
   __ Move(holder, holder_in);
 
   Isolate* isolate = masm->isolate();
   Handle<JSFunction> function = optimization.constant_function();
   Handle<CallHandlerInfo> api_call_info = optimization.api_call_info();
   Handle<Object> call_data_obj(api_call_info->data(), isolate);
 
   // Put callee in place.
@@ skipping 12 matching lines @@
   }
 
   // Put api_function_address in place.
   Address function_address = v8::ToCData<Address>(api_call_info->callback());
   ApiFunction fun(function_address);
   ExternalReference::Type type = ExternalReference::DIRECT_API_CALL;
   ExternalReference ref = ExternalReference(&fun,
                                             type,
                                             masm->isolate());
   __ mov(api_function_address, Operand(ref));
-  __ mov(thunk_arg, Operand(reinterpret_cast<int32_t>(function_address)));
 
   // Jump to stub.
   CallApiFunctionStub stub(restore_context, call_data_undefined, argc);
   __ TailCallStub(&stub);
 }
 
 
 // Generates call to API function.
 static void GenerateFastApiCall(MacroAssembler* masm,
                                 const CallOptimization& optimization,
@@ skipping 496 matching lines @@
   // scratch2 (internal::Object** args_) as the data.
   __ str(scratch2(), MemOperand(sp, 1 * kPointerSize));
   __ add(r1, sp, Operand(1 * kPointerSize));  // r1 = AccessorInfo&
 
   const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
   Address getter_address = v8::ToCData<Address>(callback->getter());
 
   ApiFunction fun(getter_address);
   ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL;
   ExternalReference ref = ExternalReference(&fun, type, isolate());
-  Register getter_address_reg = r3;
-  Register thunk_last_arg = r2;
+  Register getter_address_reg = r2;
   __ mov(getter_address_reg, Operand(ref));
-  __ mov(thunk_last_arg, Operand(reinterpret_cast<int32_t>(getter_address)));
 
   Address thunk_address = FUNCTION_ADDR(&InvokeAccessorGetterCallback);
   ExternalReference::Type thunk_type =
       ExternalReference::PROFILING_GETTER_CALL;
   ApiFunction thunk_fun(thunk_address);
   ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type,
       isolate());
   __ CallApiFunctionAndReturn(getter_address_reg,
                               thunk_ref,
-                              thunk_last_arg,
                               kStackUnwindSpace,
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 void LoadStubCompiler::GenerateLoadInterceptor(
     Register holder_reg,
     Handle<Object> object,
     Handle<JSObject> interceptor_holder,
@@ skipping 754 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM