+ bool IsSIMD128PropertyCallback() {
+ return (((instance_type_ == Float32x4::kInstanceType ||
+ instance_type_ == Int32x4::kInstanceType) &&
+ (name_->Equals(isolate()->heap()->signMask()) ||
+ name_->Equals(isolate()->heap()->x()) ||
+ name_->Equals(isolate()->heap()->y()) ||
+ name_->Equals(isolate()->heap()->z()) ||
+ name_->Equals(isolate()->heap()->w()))) ||
+ (instance_type_ == Int32x4::kInstanceType &&
+ (name_->Equals(isolate()->heap()->flagX()) ||
+ name_->Equals(isolate()->heap()->flagY()) ||
+ name_->Equals(isolate()->heap()->flagZ()) ||
+ name_->Equals(isolate()->heap()->flagW()))) ||
+ (instance_type_ == Float64x2::kInstanceType &&
+ (name_->Equals(isolate()->heap()->signMask()) ||
+ name_->Equals(isolate()->heap()->x()) ||
+ name_->Equals(isolate()->heap()->y()))));
+ }
+