* `or $mDst0, $mSrc0, $mSrc1`
* `or $mDst0, $mSrc0, zimm12`
* `or $mDst0, $mSrc0, immz12`
* `or $aDst0, $aSrc0, $aSrc1`
* `or $aDst0, $aSrc0, zimm12`
* `or $aDst0, $aSrc0, immz12`

Compute the bitwise-OR of 1 32-bit register source value with 1 32-bit
register or 1 *zero extended*/*zero tailed* 12-bit immediate value.