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|
module GHC.CmmToAsm.PPC.Cond (
Cond(..),
condNegate,
condUnsigned,
)
where
import GHC.Prelude
import GHC.Utils.Panic
data Cond
= ALWAYS
| EQQ
| GE
| GEU
| GTT
| GU
| LE
| LEU
| LTT
| LU
| NE
deriving Eq
condNegate :: Cond -> Cond
condNegate ALWAYS = panic "condNegate: ALWAYS"
condNegate EQQ = NE
condNegate GE = LTT
condNegate GEU = LU
condNegate GTT = LE
condNegate GU = LEU
condNegate LE = GTT
condNegate LEU = GU
condNegate LTT = GE
condNegate LU = GEU
condNegate NE = EQQ
-- Condition utils
condUnsigned :: Cond -> Bool
condUnsigned GU = True
condUnsigned LU = True
condUnsigned GEU = True
condUnsigned LEU = True
condUnsigned _ = False
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