message: Register the matmul kernel to use the default Eigen based implementation for int64.
diff: @@ -580,13 +580,14 @@ struct MatMulFunctor<SYCLDevice, T> {
  #if defined(INTEL_MKL) && defined(ENABLE_MKL)
  -// MKL does not support half, bfloat16 and int32 types for
  +// MKL does not support half, bfloat16, int32 and int64 types for
  // matrix-multiplication, so register the kernel to use default Eigen based
  // implementations for these types. REGISTER_CPU defines two versions - Eigen
  // label and NO-LABEL
  TF_CALL_half(REGISTER_CPU);
  TF_CALL_bfloat16(REGISTER_CPU);
  TF_CALL_int32(REGISTER_CPU);
  +TF_CALL_int64(REGISTER_CPU);
  // Float is supported in both MKL DNN as well as in MKL ML
  // Registration for NO-LABEL version is in mkl_matmul_op.cc for types supported
  