where
+#include "HsVersions.h"
+
import Reg
import CmmExpr
import FastBool
#define f31 63
-#include "../includes/MachRegs.h"
+#include "../includes/stg/MachRegs.h"
-- | Check whether a machine register is free for allocation.
freeReg :: RegNo -> FastBool
freeReg f0 = fastBool False
freeReg f1 = fastBool False
+{-
freeReg regNo
-- don't release high half of double regs
| regNo >= f0
, regNo < NCG_FirstFloatReg
, regNo `mod` 2 /= 0
= fastBool False
+-}
--------------------------------------
#ifdef REG_D1
freeReg REG_D1 = fastBool False
#endif
+#ifdef REG_D1_2
+freeReg REG_D1_2 = fastBool False
+#endif
#ifdef REG_D2
freeReg REG_D2 = fastBool False
#endif
+#ifdef REG_D2_2
+freeReg REG_D2_2 = fastBool False
+#endif
#ifdef REG_Sp
freeReg REG_Sp = fastBool False
#endif
-- in a real machine register, otherwise returns @'Just' reg@, where
-- reg is the machine register it is stored in.
-globalRegMaybe :: GlobalReg -> Maybe Reg
+
+globalRegMaybe :: GlobalReg -> Maybe RealReg
#ifdef REG_Base
-globalRegMaybe BaseReg = Just (RealReg REG_Base)
+globalRegMaybe BaseReg = Just (RealRegSingle REG_Base)
#endif
#ifdef REG_R1
-globalRegMaybe (VanillaReg 1 _) = Just (RealReg REG_R1)
+globalRegMaybe (VanillaReg 1 _) = Just (RealRegSingle REG_R1)
#endif
#ifdef REG_R2
-globalRegMaybe (VanillaReg 2 _) = Just (RealReg REG_R2)
+globalRegMaybe (VanillaReg 2 _) = Just (RealRegSingle REG_R2)
#endif
#ifdef REG_R3
-globalRegMaybe (VanillaReg 3 _) = Just (RealReg REG_R3)
+globalRegMaybe (VanillaReg 3 _) = Just (RealRegSingle REG_R3)
#endif
#ifdef REG_R4
-globalRegMaybe (VanillaReg 4 _) = Just (RealReg REG_R4)
+globalRegMaybe (VanillaReg 4 _) = Just (RealRegSingle REG_R4)
#endif
#ifdef REG_R5
-globalRegMaybe (VanillaReg 5 _) = Just (RealReg REG_R5)
+globalRegMaybe (VanillaReg 5 _) = Just (RealRegSingle REG_R5)
#endif
#ifdef REG_R6
-globalRegMaybe (VanillaReg 6 _) = Just (RealReg REG_R6)
+globalRegMaybe (VanillaReg 6 _) = Just (RealRegSingle REG_R6)
#endif
#ifdef REG_R7
-globalRegMaybe (VanillaReg 7 _) = Just (RealReg REG_R7)
+globalRegMaybe (VanillaReg 7 _) = Just (RealRegSingle REG_R7)
#endif
#ifdef REG_R8
-globalRegMaybe (VanillaReg 8 _) = Just (RealReg REG_R8)
+globalRegMaybe (VanillaReg 8 _) = Just (RealRegSingle REG_R8)
#endif
#ifdef REG_R9
-globalRegMaybe (VanillaReg 9 _) = Just (RealReg REG_R9)
+globalRegMaybe (VanillaReg 9 _) = Just (RealRegSingle REG_R9)
#endif
#ifdef REG_R10
-globalRegMaybe (VanillaReg 10 _) = Just (RealReg REG_R10)
+globalRegMaybe (VanillaReg 10 _) = Just (RealRegSingle REG_R10)
#endif
#ifdef REG_F1
-globalRegMaybe (FloatReg 1) = Just (RealReg REG_F1)
+globalRegMaybe (FloatReg 1) = Just (RealRegSingle REG_F1)
#endif
#ifdef REG_F2
-globalRegMaybe (FloatReg 2) = Just (RealReg REG_F2)
+globalRegMaybe (FloatReg 2) = Just (RealRegSingle REG_F2)
#endif
#ifdef REG_F3
-globalRegMaybe (FloatReg 3) = Just (RealReg REG_F3)
+globalRegMaybe (FloatReg 3) = Just (RealRegSingle REG_F3)
#endif
#ifdef REG_F4
-globalRegMaybe (FloatReg 4) = Just (RealReg REG_F4)
+globalRegMaybe (FloatReg 4) = Just (RealRegSingle REG_F4)
#endif
#ifdef REG_D1
-globalRegMaybe (DoubleReg 1) = Just (RealReg REG_D1)
+globalRegMaybe (DoubleReg 1) = Just (RealRegPair REG_D1 (REG_D1 + 1))
#endif
#ifdef REG_D2
-globalRegMaybe (DoubleReg 2) = Just (RealReg REG_D2)
+globalRegMaybe (DoubleReg 2) = Just (RealRegPair REG_D2 (REG_D2 + 1))
#endif
#ifdef REG_Sp
-globalRegMaybe Sp = Just (RealReg REG_Sp)
+globalRegMaybe Sp = Just (RealRegSingle REG_Sp)
#endif
#ifdef REG_Lng1
-globalRegMaybe (LongReg 1) = Just (RealReg REG_Lng1)
+globalRegMaybe (LongReg 1) = Just (RealRegSingle REG_Lng1)
#endif
#ifdef REG_Lng2
-globalRegMaybe (LongReg 2) = Just (RealReg REG_Lng2)
+globalRegMaybe (LongReg 2) = Just (RealRegSingle REG_Lng2)
#endif
#ifdef REG_SpLim
-globalRegMaybe SpLim = Just (RealReg REG_SpLim)
+globalRegMaybe SpLim = Just (RealRegSingle REG_SpLim)
#endif
#ifdef REG_Hp
-globalRegMaybe Hp = Just (RealReg REG_Hp)
+globalRegMaybe Hp = Just (RealRegSingle REG_Hp)
#endif
#ifdef REG_HpLim
-globalRegMaybe HpLim = Just (RealReg REG_HpLim)
+globalRegMaybe HpLim = Just (RealRegSingle REG_HpLim)
#endif
#ifdef REG_CurrentTSO
-globalRegMaybe CurrentTSO = Just (RealReg REG_CurrentTSO)
+globalRegMaybe CurrentTSO = Just (RealRegSingle REG_CurrentTSO)
#endif
#ifdef REG_CurrentNursery
-globalRegMaybe CurrentNursery = Just (RealReg REG_CurrentNursery)
+globalRegMaybe CurrentNursery = Just (RealRegSingle REG_CurrentNursery)
#endif
globalRegMaybe _ = Nothing
-
#else
freeReg :: RegNo -> FastBool
freeReg = error "SPARC.RegPlate.freeReg: not defined"
-globalRegMaybe :: GlobalReg -> Maybe Reg
+globalRegMaybe :: GlobalReg -> Maybe RealReg
globalRegMaybe = error "SPARC.RegPlate.globalRegMaybe: not defined"
#endif