#### 9.19.1 Options

`-mmultiply-enabled`

  Enable multiply instructions.

`-mdivide-enabled`

  Enable divide instructions.

`-mbarrel-shift-enabled`

  Enable barrel-shift instructions.

`-msign-extend-enabled`

  Enable sign extend instructions.

`-muser-enabled`

  Enable user defined instructions.

`-micache-enabled`

  Enable instruction cache related CSRs.

`-mdcache-enabled`

  Enable data cache related CSRs.

`-mbreak-enabled`

  Enable break instructions.

`-mall-enabled`

  Enable all instructions and CSRs.