There is no instruction field for the register file for src0 because
it's always GRF.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3309>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3309>
          return src_sends_da(file,
                              devinfo,
                              BRW_REGISTER_TYPE_UD,
-                             brw_inst_send_src0_reg_file(devinfo, inst),
+                             BRW_GENERAL_REGISTER_FILE,
                              brw_inst_src0_da_reg_nr(devinfo, inst),
                              brw_inst_src0_da16_subreg_nr(devinfo, inst));
       } else {