$DV_ROOT/design/sys/iop/spc/ifu/rtl/ifu_cmu.v
$DV_ROOT/design/sys/iop/spc/ifu/rtl/ifu_ftu.v
$DV_ROOT/design/sys/iop/spc/ifu/rtl/ifu_ibu.v
-f $DV_ROOT/design/sys/iop/libs.flist