= RcInteger
| RcFloat
| RcDouble
+ | RcDoubleSSE -- x86 only: the SSE regs are a separate class
deriving Eq
getUnique RcInteger = mkRegClassUnique 0
getUnique RcFloat = mkRegClassUnique 1
getUnique RcDouble = mkRegClassUnique 2
+ getUnique RcDoubleSSE = mkRegClassUnique 3
instance Outputable RegClass where
ppr RcInteger = Outputable.text "I"
ppr RcFloat = Outputable.text "F"
ppr RcDouble = Outputable.text "D"
+ ppr RcDoubleSSE = Outputable.text "S"