GHC.CmmToAsm.X86.Regs · ghc-10.0.0.20260917

valuevirtualRegSqueeze :: RegClass -> VirtualReg -> Int

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

valuerealRegSqueeze :: RegClass -> RealReg -> Int

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datadata Imm

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Constructors

ImmInt Int
ImmInteger Integer
ImmCLbl CLabel
ImmLit FastString
ImmIndex CLabel Int
ImmFloat !Float
ImmDouble !Double
ImmConstantSum Imm Imm
ImmConstantDiff Imm Imm

valuestrImmLit :: FastString -> Imm

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valuelitToImm :: CmmLit -> Imm

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datadata AddrMode

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Constructors

AddrBaseIndex EABase EAIndex Displacement
ImmAddr Imm Int

valueaddrOffset :: AddrMode -> Int -> Maybe AddrMode

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valuespRel

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

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valueargRegs :: RegNo -> [Reg]

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valueallArgRegs :: Platform -> [(Reg, Reg)]

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valueallIntArgRegs :: Platform -> [Reg]

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valuecallClobberedRegs :: Platform -> [Reg]

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

valueinstrClobberedRegs :: Platform -> [Reg]

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valueallMachRegNos :: Platform -> [RegNo]

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The complete set of machine registers.

valueclassOfRealReg :: Platform -> RealReg -> RegClass

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Take the class of a register.

datadata EABase

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datadata EAIndex

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Constructors

EAIndexNone
EAIndex Reg Int

valueaddrModeRegs :: AddrMode -> [Reg]

valueeax :: Reg

valueebx :: Reg

valueecx :: Reg

valueedx :: Reg

valueesi :: Reg

valueedi :: Reg

valueebp :: Reg

valueesp :: Reg

valuerax :: Reg

valuerbx :: Reg

valuercx :: Reg

valuerdx :: Reg

valuersi :: Reg

valuerdi :: Reg

valuerbp :: Reg

valuersp :: Reg

valuer8 :: Reg

valuer9 :: Reg

valuer10 :: Reg

valuer11 :: Reg

valuer12 :: Reg

valuer13 :: Reg

valuer14 :: Reg

valuer15 :: Reg

valuelastint :: Platform -> RegNo

valuexmm0 :: Reg

valuexmm1 :: Reg

valuexmm2 :: Reg

valuexmm3 :: Reg

valuexmm4 :: Reg

valuexmm5 :: Reg

valuexmm6 :: Reg

valuexmm7 :: Reg

valuexmm8 :: Reg

valuexmm9 :: Reg

valuexmm10 :: Reg

valuexmm11 :: Reg

valuexmm12 :: Reg

valuexmm13 :: Reg

valuexmm14 :: Reg

valuexmm15 :: Reg

valuexmm :: RegNo -> Reg

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valuefirstxmm :: RegNo

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valuelastxmm :: Platform -> RegNo

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valueintregnos :: Platform -> [RegNo]

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valuexmmregnos :: Platform -> [RegNo]

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valueripRel :: Displacement -> AddrMode

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valueallFPArgRegs :: Platform -> [Reg]

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on 64bit platforms we pass the first 8 float/double arguments in the xmm registers.

valueallocatableRegs :: Platform -> [RealReg]

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