crankshaft support for api method calls

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 9ad7d2a0363b3df768abab0162c2a1143488f2ae..cc592ecf1a8e46c184959bab1d93776a40cdf119 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -788,8 +788,7 @@ static void GenerateFastApiCallBody(MacroAssembler* masm,
   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);
@@ -822,7 +821,6 @@ static void GenerateFastApiCallBody(MacroAssembler* masm,
                                             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);
@@ -1339,10 +1337,8 @@ void LoadStubCompiler::GenerateLoadCallback(
   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 =
@@ -1352,7 +1348,6 @@ void LoadStubCompiler::GenerateLoadCallback(
       isolate());
   __ CallApiFunctionAndReturn(getter_address_reg,
                               thunk_ref,
-                              thunk_last_arg,
                               kStackUnwindSpace,
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);