ghc-6.12.3: The GHC API Source code Contents Index

X86.Regs

Synopsis

virtualRegSqueeze :: RegClass -> VirtualReg -> FastInt realRegSqueeze :: RegClass -> RealReg -> FastInt data Imm = ImmInt Int | ImmInteger Integer | ImmCLbl CLabel | ImmLit Doc | ImmIndex CLabel Int | ImmFloat Rational | ImmDouble Rational | ImmConstantSum Imm Imm | ImmConstantDiff Imm Imm strImmLit :: String -> Imm litToImm :: CmmLit -> Imm data AddrMode = AddrBaseIndex EABase EAIndex Displacement | ImmAddr Imm Int addrOffset :: AddrMode -> Int -> Maybe AddrMode spRel :: Int -> AddrMode argRegs :: RegNo -> [Reg] allArgRegs :: [Reg] callClobberedRegs :: [Reg] allMachRegNos :: [RegNo] classOfRealReg :: RealReg -> RegClass showReg :: RegNo -> String data EABase = EABaseNone | EABaseReg Reg | EABaseRip data EAIndex = EAIndexNone | EAIndex Reg Int addrModeRegs :: AddrMode -> [Reg] 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 rax :: Reg rbx :: Reg rcx :: Reg rdx :: Reg rsi :: Reg rdi :: Reg rbp :: Reg rsp :: Reg r8 :: Reg r9 :: Reg r10 :: Reg r11 :: Reg r12 :: Reg r13 :: Reg r14 :: Reg r15 :: Reg xmm0 :: Reg xmm1 :: Reg xmm2 :: Reg xmm3 :: Reg xmm4 :: Reg xmm5 :: Reg xmm6 :: Reg xmm7 :: Reg xmm8 :: Reg xmm9 :: Reg xmm10 :: Reg xmm11 :: Reg xmm12 :: Reg xmm13 :: Reg xmm14 :: Reg xmm15 :: Reg xmm :: RegNo -> Reg ripRel :: Displacement -> AddrMode allFPArgRegs :: [Reg] freeReg :: RegNo -> FastBool globalRegMaybe :: GlobalReg -> Maybe RealReg get_GlobalReg_reg_or_addr :: GlobalReg -> Either RealReg CmmExpr allocatableRegs :: [RealReg]

Documentation

virtualRegSqueeze :: RegClass -> VirtualReg -> FastInt Source

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 Source

data Imm Source

Constructors ImmInt Int ImmInteger Integer ImmCLbl CLabel ImmLit Doc ImmIndex CLabel Int ImmFloat Rational ImmDouble Rational ImmConstantSum Imm Imm ImmConstantDiff Imm Imm

strImmLit :: String -> Imm Source

litToImm :: CmmLit -> Imm Source

data AddrMode Source

Constructors AddrBaseIndex EABase EAIndex Displacement ImmAddr Imm Int

addrOffset :: AddrMode -> Int -> Maybe AddrMode Source

spRel Source

:: Int desired stack offset in words, positive or negative -> AddrMode

argRegs :: RegNo -> [Reg] Source

allArgRegs :: [Reg] Source

callClobberedRegs :: [Reg] Source

allMachRegNos :: [RegNo] Source

The complete set of machine registers.

classOfRealReg :: RealReg -> RegClass Source

Take the class of a register.

showReg :: RegNo -> String Source

Get the name of the register with this number.

data EABase Source

Constructors EABaseNone EABaseReg Reg EABaseRip

data EAIndex Source

Constructors EAIndexNone EAIndex Reg Int

addrModeRegs :: AddrMode -> [Reg] Source

eax :: Reg Source

ebx :: Reg Source

ecx :: Reg Source

edx :: Reg Source

esi :: Reg Source

edi :: Reg Source

ebp :: Reg Source

esp :: Reg Source

fake0 :: Reg Source

fake1 :: Reg Source

fake2 :: Reg Source

fake3 :: Reg Source

fake4 :: Reg Source

fake5 :: Reg Source

rax :: Reg Source

rbx :: Reg Source

rcx :: Reg Source

rdx :: Reg Source

rsi :: Reg Source

rdi :: Reg Source

rbp :: Reg Source

rsp :: Reg Source

r8 :: Reg Source

r9 :: Reg Source

r10 :: Reg Source

r11 :: Reg Source

r12 :: Reg Source

r13 :: Reg Source

r14 :: Reg Source

r15 :: Reg Source

xmm0 :: Reg Source

xmm1 :: Reg Source

xmm2 :: Reg Source

xmm3 :: Reg Source

xmm4 :: Reg Source

xmm5 :: Reg Source

xmm6 :: Reg Source

xmm7 :: Reg Source

xmm8 :: Reg Source

xmm9 :: Reg Source

xmm10 :: Reg Source

xmm11 :: Reg Source

xmm12 :: Reg Source

xmm13 :: Reg Source

xmm14 :: Reg Source

xmm15 :: Reg Source

xmm :: RegNo -> Reg Source

ripRel :: Displacement -> AddrMode Source

allFPArgRegs :: [Reg] Source

freeReg :: RegNo -> FastBool Source

globalRegMaybe :: GlobalReg -> Maybe RealReg Source

get_GlobalReg_reg_or_addr :: GlobalReg -> Either RealReg CmmExpr Source

these are the regs which we cannot assume stay alive over a C call.

allocatableRegs :: [RealReg] Source

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