message: unpack for int64 tensors on gpu
diff: @@ -153,6 +153,12 @@ REGISTER_KERNEL_BUILDER(Name("Unpack")
  .HostMemory("output")
  .TypeConstraint<int32>("T"),
  UnpackOp<CPUDevice, int32>);
  +REGISTER_KERNEL_BUILDER(Name("Unpack")
  + .Device(DEVICE_GPU)
  + .HostMemory("value")
  + .HostMemory("output")
  + .TypeConstraint<int64>("T"),
  + UnpackOp<CPUDevice, int64>);
  #endif // GOOGLE_CUDA
  @@ -170,6 +176,12 @@ REGISTER_KERNEL_BUILDER(Name("Unpack")
  .HostMemory("output")
  .TypeConstraint<int32>("T"),
  UnpackOp<CPUDevice, int32>);
  +REGISTER_KERNEL_BUILDER(Name("Unpack")
  + .Device(DEVICE_SYCL)
  + .HostMemory("value")
  + .HostMemory("output")
  + .TypeConstraint<int64>("T"),
  + UnpackOp<CPUDevice, int64>);
  #undef REGISTER_SYCL
  #endif // TENSORFLOW_USE_SYCL
  