COMISD - COMpare I(?) Scalar Double
UCOMISD - Unordered COMpare I(?) Scalar Double
COMISS - COMpare I(?) Scalar Single
UCOMISS - Unordered COMpare I(?) Scalar Single
VCOMISH - COMpare I(?) Scalar Half
VUCOMISH - Unordered COMpare I(?) Scalar Half