* `f16v2mul $aDst0, $aSrc0, $aSrc1`
* `f16v2mul $aDst0, $aSrc0:BL, $aSrc1`
* `f16v2mul $aDst0, $aSrc0:BU, $aSrc1`

*Half-precision* 2-element vector, Hadamard product