ghc-7.8.4: The GHC API

Safe Haskell | None
Language | Haskell98

PPC.Regs

Synopsis

- virtualRegSqueeze :: RegClass -> VirtualReg -> FastInt
- realRegSqueeze :: RegClass -> RealReg -> FastInt
- mkVirtualReg :: Unique -> Size -> VirtualReg
- regDotColor :: RealReg -> SDoc
- data Imm
  - = ImmInt Int
  - | ImmInteger Integer
  - | ImmCLbl CLabel
  - | ImmLit SDoc
  - | ImmIndex CLabel Int
  - | ImmFloat Rational
  - | ImmDouble Rational
  - | ImmConstantSum Imm Imm
  - | ImmConstantDiff Imm Imm
  - | LO Imm
  - | HI Imm
  - | HA Imm
- strImmLit :: String -> Imm
- litToImm :: CmmLit -> Imm
- data AddrMode
  - = AddrRegReg Reg Reg
  - | AddrRegImm Reg Imm
- addrOffset :: AddrMode -> Int -> Maybe AddrMode
- spRel :: DynFlags -> Int -> AddrMode
- argRegs :: RegNo -> [Reg]
- allArgRegs :: [Reg]
- callClobberedRegs :: Platform -> [Reg]
- allMachRegNos :: [RegNo]
- classOfRealReg :: RealReg -> RegClass
- showReg :: RegNo -> String
- allFPArgRegs :: Platform -> [Reg]
- fits16Bits :: Integral a => a -> Bool
- makeImmediate :: Integral a => Width -> Bool -> a -> Maybe Imm
- fReg :: Int -> RegNo
- sp :: Reg
- r3 :: Reg
- r4 :: Reg
- r27 :: Reg
- r28 :: Reg
- f1 :: Reg
- f20 :: Reg
- f21 :: Reg
- allocatableRegs :: Platform -> [RealReg]

# Documentation

virtualRegSqueeze :: RegClass -> VirtualReg -> FastInt

regSqueeze_class reg Calculuate the maximum number of register colors that could be denied to a node of this class due to having this reg as a neighbour.

realRegSqueeze :: RegClass -> RealReg -> FastInt

mkVirtualReg :: Unique -> Size -> VirtualReg

regDotColor :: RealReg -> SDoc

data Imm

Constructors

ImmInt Int |
ImmInteger Integer |
ImmCLbl CLabel |
ImmLit SDoc |
ImmIndex CLabel Int |
ImmFloat Rational |
ImmDouble Rational |
ImmConstantSum Imm Imm |
ImmConstantDiff Imm Imm |
LO Imm |
HI Imm |
HA Imm |

strImmLit :: String -> Imm

litToImm :: CmmLit -> Imm

data AddrMode

Constructors

AddrRegReg Reg Reg |
AddrRegImm Reg Imm |

addrOffset :: AddrMode -> Int -> Maybe AddrMode

spRel :: DynFlags -> Int -> AddrMode

argRegs :: RegNo -> [Reg]

allArgRegs :: [Reg]

callClobberedRegs :: Platform -> [Reg]

allMachRegNos :: [RegNo]

classOfRealReg :: RealReg -> RegClass

showReg :: RegNo -> String

allFPArgRegs :: Platform -> [Reg]

fits16Bits :: Integral a => a -> Bool

makeImmediate :: Integral a => Width -> Bool -> a -> Maybe Imm

fReg :: Int -> RegNo

sp :: Reg

r3 :: Reg

r4 :: Reg

r27 :: Reg

r28 :: Reg

f1 :: Reg

f20 :: Reg

f21 :: Reg

allocatableRegs :: Platform -> [RealReg]