emitPrimOp _      [] CopyMutableByteArrayOp [src,src_off,dst,dst_off,n] =
    doCopyMutableByteArrayOp src src_off dst dst_off n
emitPrimOp _      [] CopyMutableByteArrayOp [src,src_off,dst,dst_off,n] =
    doCopyMutableByteArrayOp src src_off dst dst_off n
emitPrimOp _      [] CopyMutableByteArrayOp [src,src_off,dst,dst_off,n] =
    doCopyMutableByteArrayOp src src_off dst dst_off n