Moduleghc-9.14.1GHC2021

GHC.CmmToAsm.Reg.Linear.LA64

datadata FreeRegs

Instances3Show, Outputable, FR

valuenoFreeRegs :: FreeRegs

valueshowBits :: Word32 -> String

Show bits as a String of 1s and 0s

valueinitFreeRegs :: Platform -> FreeRegs

Set bits of all allocatable registers to 1

valuegetFreeRegs :: RegClass -> FreeRegs -> [RealReg]

Get all free RealRegs (i.e. those where the corresponding bit is 1)

valueallocateReg :: HasCallStack => RealReg -> FreeRegs -> FreeRegs

Set corresponding register bit to 0

valuereleaseReg :: HasCallStack => RealReg -> FreeRegs -> FreeRegs

Set corresponding register bit to 1