load ics for js api accessors

src/ia32/stub-cache-ia32.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 1243 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()));
     Register dictionary = scratch1();
     bool must_preserve_dictionary_reg = reg.is(dictionary);
 
@@ skipping 73 matching lines @@
   } else {
     KeyedLoadFieldStub stub(field.is_inobject(holder),
                             field.translate(holder),
                             representation);
     GenerateTailCall(masm(), stub.GetCode(isolate()));
   }
 }
 
 
 void BaseLoadStubCompiler::GenerateLoadCallback(
+    const CallOptimization& call_optimization) {
+  ASSERT(call_optimization.is_simple_api_call());
+
+  // Copy return value.
+  __ mov(scratch3(), Operand(esp, 0));
+  // Assign stack space for the call arguments.
+  __ sub(esp, Immediate((kFastApiCallArguments + 1) * kPointerSize));
+  // Move the return address on top of the stack.
+  __ mov(Operand(esp, 0), scratch3());
+
+  int argc = 0;
+  int api_call_argc = argc + kFastApiCallArguments;
+  // Write holder to stack frame.
+  __ mov(Operand(esp, 1 * kPointerSize), receiver());
+  // Write receiver to stack frame.
+  __ mov(Operand(esp, (api_call_argc + 1) * kPointerSize), receiver());
+
+  GenerateFastApiCall(masm(), call_optimization, argc);
+}
+
+
+void BaseLoadStubCompiler::GenerateLoadCallback(
     Register reg,
     Handle<ExecutableAccessorInfo> callback) {
   // Insert additional parameters into the stack frame above return address.
   ASSERT(!scratch3().is(reg));
   __ pop(scratch3());  // Get return address to place it below.
 
   __ push(receiver());  // receiver
   __ mov(scratch2(), esp);
   ASSERT(!scratch2().is(reg));
   __ push(reg);  // holder
@@ skipping 1874 matching lines @@
   // -----------------------------------
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_MissForceGeneric);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32