He says that they are going to implement all instructions that are not supported by the hardware[1]. I wonder if they will use automatic synthesis of code for

He says that they are going to implement all instructions that are not supported by the hardware[1]. I wonder if they will use automatic synthesis of code for each instruction, and if so, how they are going to ensure good performance. Maybe superoptimization? Another question I have is about their stance on free firmware. Will the mill family members require blobs? [1] 13:50 in the linked video.