Load API call data from function instead of embedding it in handler.

src/ic/ia32/handler-compiler-ia32.cc

Index: src/ic/ia32/handler-compiler-ia32.cc
diff --git a/src/ic/ia32/handler-compiler-ia32.cc b/src/ic/ia32/handler-compiler-ia32.cc
index 409f1b3827a7b49c4e15ac08f1e9610da45905ce..c7f683fd5b60f8f2400ba9888bebd4a90d6d5582 100644
--- a/src/ic/ia32/handler-compiler-ia32.cc
+++ b/src/ic/ia32/handler-compiler-ia32.cc
@@ -144,30 +144,30 @@ void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(
 // when api call ICs are generated in hydrogen.
 void PropertyHandlerCompiler::GenerateApiAccessorCall(
     MacroAssembler* masm, const CallOptimization& optimization,
-    Handle<Map> receiver_map, Register receiver, Register scratch_in,
+    Handle<Map> receiver_map, Register receiver, Register scratch,
     bool is_store, Register store_parameter, Register accessor_holder,
     int accessor_index) {
-  DCHECK(!accessor_holder.is(scratch_in));
+  DCHECK(!accessor_holder.is(scratch));
   // Copy return value.
-  __ pop(scratch_in);
+  __ pop(scratch);
   // receiver
   __ push(receiver);
   // Write the arguments to stack frame.
   if (is_store) {
     DCHECK(!receiver.is(store_parameter));
-    DCHECK(!scratch_in.is(store_parameter));
+    DCHECK(!scratch.is(store_parameter));
     __ push(store_parameter);
   }
-  __ push(scratch_in);
+  __ push(scratch);
   // Stack now matches JSFunction abi.
   DCHECK(optimization.is_simple_api_call());
 
   // Abi for CallApiFunctionStub.
   Register callee = edi;
-  Register call_data = ebx;
+  Register data = ebx;
   Register holder = ecx;
   Register api_function_address = edx;
-  Register scratch = eax;  // scratch_in is no longer valid.
+  scratch = no_reg;
 
   // Put callee in place.
   __ LoadAccessor(callee, accessor_holder, accessor_index,
@@ -191,19 +191,16 @@ void PropertyHandlerCompiler::GenerateApiAccessorCall(
 
   Isolate* isolate = masm->isolate();
   Handle<CallHandlerInfo> api_call_info = optimization.api_call_info();
-  Handle<Object> call_data_obj(api_call_info->data(), isolate);
-
-
   bool call_data_undefined = false;
-  // Put call_data in place.
-  if (isolate->heap()->InNewSpace(*call_data_obj)) {
-    __ mov(scratch, api_call_info);
-    __ mov(call_data, FieldOperand(scratch, CallHandlerInfo::kDataOffset));
-  } else if (call_data_obj->IsUndefined()) {
+  // Put call data in place.
+  if (api_call_info->data()->IsUndefined()) {
     call_data_undefined = true;
-    __ mov(call_data, Immediate(isolate->factory()->undefined_value()));
+    __ mov(data, Immediate(isolate->factory()->undefined_value()));
   } else {
-    __ mov(call_data, call_data_obj);
+    __ mov(data, FieldOperand(callee, JSFunction::kSharedFunctionInfoOffset));
+    __ mov(data, FieldOperand(data, SharedFunctionInfo::kFunctionDataOffset));
+    __ mov(data, FieldOperand(data, FunctionTemplateInfo::kCallCodeOffset));
+    __ mov(data, FieldOperand(data, CallHandlerInfo::kDataOffset));
   }
 
   // Put api_function_address in place.