| ghc-6.10.4: The GHC API | Contents | Index
MachRegs
Contents
Immediate values Addressing modes The `Reg` type Global registers Machine-dependent register-related stuff
Synopsis
data Imm
= ImmInt Int
| ImmInteger Integer
| ImmCLbl CLabel
| ImmLit Doc
| ImmIndex CLabel Int
| ImmFloat Rational
| ImmDouble Rational
| ImmConstantSum Imm Imm
| ImmConstantDiff Imm Imm
strImmLit
litToImm :: CmmLit -> Imm
data AddrMode
= AddrBaseIndex EABase EAIndex Displacement
| ImmAddr Imm Int
addrOffset :: AddrMode -> Int -> Maybe AddrMode
type RegNo = Int
data Reg
= RealReg !RegNo
| VirtualRegI !Unique
| VirtualRegHi !Unique
| VirtualRegF !Unique
| VirtualRegD !Unique
isRealReg :: Reg -> Bool
isVirtualReg :: Reg -> Bool
renameVirtualReg :: Unique -> Reg -> Reg
data RegClass
= RcInteger
| RcFloat
| RcDouble
regClass
trivColorable :: RegClass -> UniqSet Reg -> UniqSet Reg -> Bool
getHiVRegFromLo
mkVReg :: Unique -> MachRep -> Reg
get_GlobalReg_reg_or_addr :: GlobalReg -> Either Reg CmmExpr
allocatableRegs :: [RegNo]
argRegs :: RegNo -> [Reg]
allArgRegs :: [Reg]
callClobberedRegs :: [Reg]
allocatableRegsInClass :: RegClass -> Int
freeReg :: RegNo -> FastBool
spRel :: Int -> AddrMode
data EABase
= EABaseNone
| EABaseReg Reg
| EABaseRip
data EAIndex
= EAIndexNone
| EAIndex Reg Int
eax :: Reg
ebx :: Reg
ecx :: Reg
edx :: Reg
esi :: Reg
edi :: Reg
ebp :: Reg
esp :: Reg
fake0 :: Reg
fake1 :: Reg
fake2 :: Reg
fake3 :: Reg
fake4 :: Reg
fake5 :: Reg
addrModeRegs :: AddrMode -> [Reg]
Immediate values
data Imm
Constructors
ImmInt Int |
ImmInteger Integer |
ImmCLbl CLabel |
ImmLit Doc |
ImmIndex CLabel Int |
ImmFloat Rational |
ImmDouble Rational |
ImmConstantSum Imm Imm |
ImmConstantDiff Imm Imm |
strImmLit
litToImm :: CmmLit -> Imm
Addressing modes
data AddrMode
Constructors
AddrBaseIndex EABase EAIndex Displacement |
ImmAddr Imm Int |
addrOffset :: AddrMode -> Int -> Maybe AddrMode
The `Reg` type
type RegNo = Int
data Reg
Constructors
RealReg !RegNo |
VirtualRegI !Unique |
VirtualRegHi !Unique |
VirtualRegF !Unique |
VirtualRegD !Unique |
Instances
Eq Reg
Ord Reg
Show Reg
Outputable Reg
Uniquable Reg
isRealReg :: Reg -> Bool
isVirtualReg :: Reg -> Bool
renameVirtualReg :: Unique -> Reg -> Reg
data RegClass
Constructors
RcInteger |
RcFloat |
RcDouble |
Instances
Eq RegClass
Outputable RegClass
Uniquable RegClass
regClass
trivColorable :: RegClass -> UniqSet Reg -> UniqSet Reg -> Bool
getHiVRegFromLo
mkVReg :: Unique -> MachRep -> Reg
Global registers
get_GlobalReg_reg_or_addr :: GlobalReg -> Either Reg CmmExpr
Machine-dependent register-related stuff
allocatableRegs :: [RegNo]
argRegs :: RegNo -> [Reg]
allArgRegs :: [Reg]
callClobberedRegs :: [Reg]
allocatableRegsInClass :: RegClass -> Int
The number of regs in each class. We go via top level CAFs to ensure that we're not recomputing the length of these lists each time the fn is called.
freeReg :: RegNo -> FastBool
spRel :: Int -> AddrMode
data EABase
Constructors
EABaseNone |
EABaseReg Reg |
EABaseRip |
data EAIndex
Constructors
EAIndexNone |
EAIndex Reg Int |
eax :: Reg
ebx :: Reg
ecx :: Reg
edx :: Reg
esi :: Reg
edi :: Reg
ebp :: Reg
esp :: Reg
fake0 :: Reg
fake1 :: Reg
fake2 :: Reg
fake3 :: Reg
fake4 :: Reg
fake5 :: Reg
addrModeRegs :: AddrMode -> [Reg]
Produced by Haddock version 2.4.2