ghc-6.12.3: The GHC APISource codeContentsIndex
Free regs map for SPARC
data FreeRegs = FreeRegs !Word32 !Word32 !Word32
noFreeRegs :: FreeRegs
initFreeRegs :: FreeRegs
getFreeRegs :: RegClass -> FreeRegs -> [RealReg]
allocateReg :: RealReg -> FreeRegs -> FreeRegs
releaseReg :: RealReg -> FreeRegs -> FreeRegs
bitMask :: Int -> Word32
showFreeRegs :: FreeRegs -> String
data FreeRegs Source
FreeRegs !Word32 !Word32 !Word32
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noFreeRegs :: FreeRegsSource
A reg map where no regs are free to be allocated.
initFreeRegs :: FreeRegsSource
The initial set of free regs.
getFreeRegs :: RegClass -> FreeRegs -> [RealReg]Source
Get all the free registers of this class.
allocateReg :: RealReg -> FreeRegs -> FreeRegsSource
Grab a register.
releaseReg :: RealReg -> FreeRegs -> FreeRegsSource
Release a register from allocation. The register liveness information says that most regs die after a C call, but we still don't want to allocate to some of them.
bitMask :: Int -> Word32Source
showFreeRegs :: FreeRegs -> StringSource
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