load ics for js api accessors

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 1274 matching lines @@
   }
 }
 
 
 Register BaseLoadStubCompiler::CallbackHandlerFrontend(
     Handle<JSObject> object,
     Register object_reg,
     Handle<JSObject> holder,
     Handle<Name> name,
     Label* success,
-    Handle<ExecutableAccessorInfo> callback) {
+    Handle<Object> callback) {
   Label miss;
 
   Register reg = HandlerFrontendHeader(object, object_reg, holder, name, &miss);
 
   if (!holder->HasFastProperties() && !holder->IsJSGlobalObject()) {
     ASSERT(!reg.is(scratch2()));
     ASSERT(!reg.is(scratch3()));
     ASSERT(!reg.is(scratch4()));
 
     // Load the properties dictionary.
@@ skipping 68 matching lines @@
 
 void BaseLoadStubCompiler::GenerateLoadConstant(Handle<Object> value) {
   // Return the constant value.
   __ LoadObject(r0, value);
   __ Ret();
 }
 
 
 void BaseLoadStubCompiler::GenerateLoadCallback(
     Register reg,
+    const CallOptimization& call_optimization) {
+  ASSERT(call_optimization.is_simple_api_call());
+  ASSERT(!scratch3().is(reg));
+  ASSERT(!receiver().is(reg));
+
+  // assign stack space for the call arguments
+  __ sub(sp, sp, Operand((kFastApiCallArguments + 1) * kPointerSize));
+
+  int argc = 0;
+  int api_call_argc = argc + kFastApiCallArguments;
+  // write holder to stack frame
+  Register holder =
+      call_optimization.expected_receiver_type().is_null() ?
+          receiver() : reg;
+  __ str(holder, MemOperand(sp, 1 * kPointerSize));
+  // write receiver to stack frame
+  __ str(receiver(), MemOperand(sp, (api_call_argc + 0) * kPointerSize));
+
+  GenerateFastApiDirectCall(masm(), call_optimization, argc);
+}
+
+
+void BaseLoadStubCompiler::GenerateLoadCallback(
+    Register reg,
     Handle<ExecutableAccessorInfo> callback) {
   // Build AccessorInfo::args_ list on the stack and push property name below
   // the exit frame to make GC aware of them and store pointers to them.
   __ push(receiver());
   __ mov(scratch2(), sp);  // scratch2 = AccessorInfo::args_
   if (heap()->InNewSpace(callback->data())) {
     __ Move(scratch3(), callback);
     __ ldr(scratch3(), FieldMemOperand(scratch3(),
                                        ExecutableAccessorInfo::kDataOffset));
   } else {
@@ skipping 1758 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM