%
-% (c) The AQUA Project, Glasgow University, 1996
+% (c) The AQUA Project, Glasgow University, 1996-1998
%
\section[MachRegs]{Machine-specific info about registers}
import CLabel ( CLabel )
import PrimOp ( PrimOp(..) )
import PrimRep ( PrimRep(..) )
-import Stix ( sStLitLbl, StixTree(..), StixReg(..),
- CodeSegment
- )
+import Stix ( sStLitLbl, StixTree(..), StixReg(..) )
import Unique ( mkPseudoUnique1, mkPseudoUnique2, mkPseudoUnique3,
Uniquable(..), Unique
)
-import UniqSupply ( getUnique, returnUs, thenUs, UniqSM )
+import UniqSupply ( getUniqueUs, returnUs, thenUs, UniqSM )
import Outputable
\end{code}
| ImmCLbl CLabel -- AbstractC Label (with baggage)
| ImmLab SDoc -- Simple string label (underscore-able)
| ImmLit SDoc -- Simple string
+ | ImmIndex CLabel Int
IF_ARCH_sparc(
| LO Imm -- Possible restrictions...
| HI Imm
Nothing -> sStLitLbl SLIT("MainRegTable")
nonReg = case x of
- StkStubReg -> sStLitLbl SLIT("STK_STUB_closure")
- StdUpdRetVecReg -> sStLitLbl SLIT("vtbl_StdUpdFrame")
BaseReg -> sStLitLbl SLIT("MainRegTable")
- -- these Hp&HpLim cases perhaps should
- -- not be here for i386 (???) WDP 96/03
-#ifndef i386_TARGET_ARCH
- -- Yup, Hp&HpLim are not mapped into registers for x86's at the mo, so
- -- fetching Hp off BaseReg is the sensible option, since that's
- -- where gcc generated code stuffs/expects it (RTBL_Hp & RTBL_HpLim).
- -- SOF 97/09
- -- In fact, why use StorageMgrInfo at all?
- Hp -> StInd PtrRep (sStLitLbl SLIT("StorageMgrInfo"))
- HpLim -> StInd PtrRep (sStLitLbl
- (_PK_ ("StorageMgrInfo+" ++ BYTES_PER_WORD_STR)))
-#endif
- TagReg -> StInd IntRep (StPrim IntSubOp [infoptr,
- StInt (1*BYTES_PER_WORD)])
- where
- r2 = VanillaReg PtrRep ILIT(2)
- infoptr = case (stgReg r2) of
- Always t -> t
- Save _ -> StReg (StixMagicId r2)
+
_ -> StInd (magicIdPrimRep x)
(StPrim IntAddOp [baseLoc,
StInt (toInteger (offset*BYTES_PER_WORD))])
getNewRegNCG :: PrimRep -> UniqSM Reg
getNewRegNCG pk
- = getUnique `thenUs` \ u ->
+ = getUniqueUs `thenUs` \ u ->
returnUs (UnmappedReg u pk)
instance Text Reg where
compare a b = cmpReg a b
instance Uniquable Reg where
- uniqueOf (UnmappedReg u _) = u
- uniqueOf (FixedReg i) = mkPseudoUnique1 IBOX(i)
- uniqueOf (MappedReg i) = mkPseudoUnique2 IBOX(i)
- uniqueOf (MemoryReg i _) = mkPseudoUnique3 i
+ getUnique (UnmappedReg u _) = u
+ getUnique (FixedReg i) = mkPseudoUnique1 IBOX(i)
+ getUnique (MappedReg i) = mkPseudoUnique2 IBOX(i)
+ getUnique (MemoryReg i _) = mkPseudoUnique3 i
\end{code}
\begin{code}
fReg x = (8 + x)
st0, st1, st2, st3, st4, st5, st6, st7, eax, ebx, ecx, edx, esp :: Reg
-eax = case (gReg 0) of { IBOX(g0) -> FixedReg g0 }
-ebx = case (gReg 1) of { IBOX(g1) -> FixedReg g1 }
-ecx = case (gReg 2) of { IBOX(g2) -> FixedReg g2 }
-edx = case (gReg 3) of { IBOX(g3) -> FixedReg g3 }
-esi = case (gReg 4) of { IBOX(g4) -> FixedReg g4 }
-edi = case (gReg 5) of { IBOX(g5) -> FixedReg g5 }
-ebp = case (gReg 6) of { IBOX(g6) -> FixedReg g6 }
-esp = case (gReg 7) of { IBOX(g7) -> FixedReg g7 }
-st0 = realReg (fReg 0)
-st1 = realReg (fReg 1)
-st2 = realReg (fReg 2)
-st3 = realReg (fReg 3)
-st4 = realReg (fReg 4)
-st5 = realReg (fReg 5)
-st6 = realReg (fReg 6)
-st7 = realReg (fReg 7)
+eax = realReg (gReg 0)
+ebx = realReg (gReg 1)
+ecx = realReg (gReg 2)
+edx = realReg (gReg 3)
+esi = realReg (gReg 4)
+edi = realReg (gReg 5)
+ebp = realReg (gReg 6)
+esp = realReg (gReg 7)
+st0 = realReg (fReg 0)
+st1 = realReg (fReg 1)
+st2 = realReg (fReg 2)
+st3 = realReg (fReg 3)
+st4 = realReg (fReg 4)
+st5 = realReg (fReg 5)
+st6 = realReg (fReg 6)
+st7 = realReg (fReg 7)
#endif
\end{code}
\begin{code}
baseRegOffset :: MagicId -> Int
-baseRegOffset StkOReg = OFFSET_StkO
baseRegOffset (VanillaReg _ ILIT(1)) = OFFSET_R1
baseRegOffset (VanillaReg _ ILIT(2)) = OFFSET_R2
baseRegOffset (VanillaReg _ ILIT(3)) = OFFSET_R3
baseRegOffset (VanillaReg _ ILIT(6)) = OFFSET_R6
baseRegOffset (VanillaReg _ ILIT(7)) = OFFSET_R7
baseRegOffset (VanillaReg _ ILIT(8)) = OFFSET_R8
-baseRegOffset (FloatReg ILIT(1)) = OFFSET_Flt1
-baseRegOffset (FloatReg ILIT(2)) = OFFSET_Flt2
-baseRegOffset (FloatReg ILIT(3)) = OFFSET_Flt3
-baseRegOffset (FloatReg ILIT(4)) = OFFSET_Flt4
-baseRegOffset (DoubleReg ILIT(1)) = OFFSET_Dbl1
-baseRegOffset (DoubleReg ILIT(2)) = OFFSET_Dbl2
+baseRegOffset (FloatReg ILIT(1)) = OFFSET_F1
+baseRegOffset (FloatReg ILIT(2)) = OFFSET_F2
+baseRegOffset (FloatReg ILIT(3)) = OFFSET_F3
+baseRegOffset (FloatReg ILIT(4)) = OFFSET_F4
+baseRegOffset (DoubleReg ILIT(1)) = OFFSET_D1
+baseRegOffset (DoubleReg ILIT(2)) = OFFSET_D2
+baseRegOffset Sp = OFFSET_Sp
+baseRegOffset Su = OFFSET_Su
+baseRegOffset SpLim = OFFSET_SpLim
#ifdef OFFSET_Lng1
baseRegOffset (LongReg _ ILIT(1)) = OFFSET_Lng1
#endif
#ifdef OFFSET_Lng2
baseRegOffset (LongReg _ ILIT(2)) = OFFSET_Lng2
#endif
-baseRegOffset TagReg = OFFSET_Tag
-baseRegOffset RetReg = OFFSET_Ret
-baseRegOffset SpA = OFFSET_SpA
-baseRegOffset SuA = OFFSET_SuA
-baseRegOffset SpB = OFFSET_SpB
-baseRegOffset SuB = OFFSET_SuB
baseRegOffset Hp = OFFSET_Hp
baseRegOffset HpLim = OFFSET_HpLim
-baseRegOffset LivenessReg = OFFSET_Liveness
#ifdef DEBUG
baseRegOffset BaseReg = panic "baseRegOffset:BaseReg"
-baseRegOffset StdUpdRetVecReg = panic "baseRegOffset:StgUpdRetVecReg"
-baseRegOffset StkStubReg = panic "baseRegOffset:StkStubReg"
baseRegOffset CurCostCentre = panic "baseRegOffset:CurCostCentre"
baseRegOffset VoidReg = panic "baseRegOffset:VoidReg"
#endif
#ifdef CALLER_SAVES_Base
callerSaves BaseReg = True
#endif
-#ifdef CALLER_SAVES_StkO
-callerSaves StkOReg = True
-#endif
#ifdef CALLER_SAVES_R1
callerSaves (VanillaReg _ ILIT(1)) = True
#endif
#ifdef CALLER_SAVES_R8
callerSaves (VanillaReg _ ILIT(8)) = True
#endif
-#ifdef CALLER_SAVES_FltReg1
+#ifdef CALLER_SAVES_F1
callerSaves (FloatReg ILIT(1)) = True
#endif
-#ifdef CALLER_SAVES_FltReg2
+#ifdef CALLER_SAVES_F2
callerSaves (FloatReg ILIT(2)) = True
#endif
-#ifdef CALLER_SAVES_FltReg3
+#ifdef CALLER_SAVES_F3
callerSaves (FloatReg ILIT(3)) = True
#endif
-#ifdef CALLER_SAVES_FltReg4
+#ifdef CALLER_SAVES_F4
callerSaves (FloatReg ILIT(4)) = True
#endif
-#ifdef CALLER_SAVES_DblReg1
+#ifdef CALLER_SAVES_D1
callerSaves (DoubleReg ILIT(1)) = True
#endif
-#ifdef CALLER_SAVES_DblReg2
+#ifdef CALLER_SAVES_D2
callerSaves (DoubleReg ILIT(2)) = True
#endif
-#ifdef CALLER_SAVES_LngReg1
+#ifdef CALLER_SAVES_L1
callerSaves (LongReg _ ILIT(1)) = True
#endif
-#ifdef CALLER_SAVES_LngReg2
-callerSaves (LongReg _ ILIT(2)) = True
-#endif
-#ifdef CALLER_SAVES_Tag
-callerSaves TagReg = True
-#endif
-#ifdef CALLER_SAVES_Ret
-callerSaves RetReg = True
-#endif
-#ifdef CALLER_SAVES_SpA
-callerSaves SpA = True
+#ifdef CALLER_SAVES_Sp
+callerSaves Sp = True
#endif
-#ifdef CALLER_SAVES_SuA
-callerSaves SuA = True
+#ifdef CALLER_SAVES_Su
+callerSaves Su = True
#endif
-#ifdef CALLER_SAVES_SpB
-callerSaves SpB = True
-#endif
-#ifdef CALLER_SAVES_SuB
-callerSaves SuB = True
+#ifdef CALLER_SAVES_SpLim
+callerSaves SpLim = True
#endif
#ifdef CALLER_SAVES_Hp
callerSaves Hp = True
#ifdef CALLER_SAVES_HpLim
callerSaves HpLim = True
#endif
-#ifdef CALLER_SAVES_Liveness
-callerSaves LivenessReg = True
-#endif
-#ifdef CALLER_SAVES_StdUpdRetVec
-callerSaves StdUpdRetVecReg = True
-#endif
-#ifdef CALLER_SAVES_StkStub
-callerSaves StkStubReg = True
-#endif
callerSaves _ = False
\end{code}
#ifdef REG_Base
magicIdRegMaybe BaseReg = Just (FixedReg ILIT(REG_Base))
#endif
-#ifdef REG_StkO
-magicIdRegMaybe StkOReg = Just (FixedReg ILIT(REG_StkOReg))
-#endif
#ifdef REG_R1
magicIdRegMaybe (VanillaReg _ ILIT(1)) = Just (FixedReg ILIT(REG_R1))
#endif
#ifdef REG_R8
magicIdRegMaybe (VanillaReg _ ILIT(8)) = Just (FixedReg ILIT(REG_R8))
#endif
-#ifdef REG_Flt1
-magicIdRegMaybe (FloatReg ILIT(1)) = Just (FixedReg ILIT(REG_Flt1))
+#ifdef REG_F1
+magicIdRegMaybe (FloatReg ILIT(1)) = Just (FixedReg ILIT(REG_F1))
#endif
-#ifdef REG_Flt2
-magicIdRegMaybe (FloatReg ILIT(2)) = Just (FixedReg ILIT(REG_Flt2))
+#ifdef REG_F2
+magicIdRegMaybe (FloatReg ILIT(2)) = Just (FixedReg ILIT(REG_F2))
#endif
-#ifdef REG_Flt3
-magicIdRegMaybe (FloatReg ILIT(3)) = Just (FixedReg ILIT(REG_Flt3))
+#ifdef REG_F3
+magicIdRegMaybe (FloatReg ILIT(3)) = Just (FixedReg ILIT(REG_F3))
#endif
-#ifdef REG_Flt4
-magicIdRegMaybe (FloatReg ILIT(4)) = Just (FixedReg ILIT(REG_Flt4))
+#ifdef REG_F4
+magicIdRegMaybe (FloatReg ILIT(4)) = Just (FixedReg ILIT(REG_F4))
#endif
-#ifdef REG_Dbl1
-magicIdRegMaybe (DoubleReg ILIT(1)) = Just (FixedReg ILIT(REG_Dbl1))
+#ifdef REG_D1
+magicIdRegMaybe (DoubleReg ILIT(1)) = Just (FixedReg ILIT(REG_D1))
#endif
-#ifdef REG_Dbl2
-magicIdRegMaybe (DoubleReg ILIT(2)) = Just (FixedReg ILIT(REG_Dbl2))
+#ifdef REG_D2
+magicIdRegMaybe (DoubleReg ILIT(2)) = Just (FixedReg ILIT(REG_D2))
+#endif
+#ifdef REG_Sp
+magicIdRegMaybe Sp = Just (FixedReg ILIT(REG_Sp))
#endif
#ifdef REG_Lng1
magicIdRegMaybe (LongReg _ ILIT(1)) = Just (FixedReg ILIT(REG_Lng1))
#ifdef REG_Lng2
magicIdRegMaybe (LongReg _ ILIT(2)) = Just (FixedReg ILIT(REG_Lng2))
#endif
-#ifdef REG_Tag
-magicIdRegMaybe TagReg = Just (FixedReg ILIT(REG_TagReg))
-#endif
-#ifdef REG_Ret
-magicIdRegMaybe RetReg = Just (FixedReg ILIT(REG_Ret))
-#endif
-#ifdef REG_SpA
-magicIdRegMaybe SpA = Just (FixedReg ILIT(REG_SpA))
+#ifdef REG_Su
+magicIdRegMaybe Su = Just (FixedReg ILIT(REG_Su))
#endif
-#ifdef REG_SuA
-magicIdRegMaybe SuA = Just (FixedReg ILIT(REG_SuA))
-#endif
-#ifdef REG_SpB
-magicIdRegMaybe SpB = Just (FixedReg ILIT(REG_SpB))
-#endif
-#ifdef REG_SuB
-magicIdRegMaybe SuB = Just (FixedReg ILIT(REG_SuB))
+#ifdef REG_SpLim
+magicIdRegMaybe SpLim = Just (FixedReg ILIT(REG_SpLim))
#endif
#ifdef REG_Hp
magicIdRegMaybe Hp = Just (FixedReg ILIT(REG_Hp))
#ifdef REG_HpLim
magicIdRegMaybe HpLim = Just (FixedReg ILIT(REG_HpLim))
#endif
-#ifdef REG_Liveness
-magicIdRegMaybe LivenessReg = Just (FixedReg ILIT(REG_Liveness))
-#endif
-#ifdef REG_StdUpdRetVec
-magicIdRegMaybe StdUpdRetVecReg = Just (FixedReg ILIT(REG_StdUpdRetVec))
-#endif
-#ifdef REG_StkStub
-magicIdRegMaybe StkStubReg = Just (FixedReg ILIT(REG_StkStub))
-#endif
magicIdRegMaybe _ = Nothing
\end{code}
#ifdef REG_Base
freeReg ILIT(REG_Base) = _FALSE_
#endif
-#ifdef REG_StkO
-freeReg ILIT(REG_StkO) = _FALSE_
-#endif
#ifdef REG_R1
freeReg ILIT(REG_R1) = _FALSE_
#endif
#ifdef REG_R8
freeReg ILIT(REG_R8) = _FALSE_
#endif
-#ifdef REG_Flt1
-freeReg ILIT(REG_Flt1) = _FALSE_
+#ifdef REG_F1
+freeReg ILIT(REG_F1) = _FALSE_
#endif
-#ifdef REG_Flt2
-freeReg ILIT(REG_Flt2) = _FALSE_
+#ifdef REG_F2
+freeReg ILIT(REG_F2) = _FALSE_
#endif
-#ifdef REG_Flt3
-freeReg ILIT(REG_Flt3) = _FALSE_
+#ifdef REG_F3
+freeReg ILIT(REG_F3) = _FALSE_
#endif
-#ifdef REG_Flt4
-freeReg ILIT(REG_Flt4) = _FALSE_
+#ifdef REG_F4
+freeReg ILIT(REG_F4) = _FALSE_
#endif
-#ifdef REG_Dbl1
-freeReg ILIT(REG_Dbl1) = _FALSE_
+#ifdef REG_D1
+freeReg ILIT(REG_D1) = _FALSE_
#endif
-#ifdef REG_Dbl2
-freeReg ILIT(REG_Dbl2) = _FALSE_
+#ifdef REG_D2
+freeReg ILIT(REG_D2) = _FALSE_
#endif
-#ifdef REG_Tag
-freeReg ILIT(REG_Tag) = _FALSE_
+#ifdef REG_Sp
+freeReg ILIT(REG_Sp) = _FALSE_
#endif
-#ifdef REG_Ret
-freeReg ILIT(REG_Ret) = _FALSE_
+#ifdef REG_Su
+freeReg ILIT(REG_Su) = _FALSE_
#endif
-#ifdef REG_SpA
-freeReg ILIT(REG_SpA) = _FALSE_
-#endif
-#ifdef REG_SuA
-freeReg ILIT(REG_SuA) = _FALSE_
-#endif
-#ifdef REG_SpB
-freeReg ILIT(REG_SpB) = _FALSE_
-#endif
-#ifdef REG_SuB
-freeReg ILIT(REG_SuB) = _FALSE_
+#ifdef REG_SpLim
+freeReg ILIT(REG_SpLim) = _FALSE_
#endif
#ifdef REG_Hp
freeReg ILIT(REG_Hp) = _FALSE_
#ifdef REG_HpLim
freeReg ILIT(REG_HpLim) = _FALSE_
#endif
-#ifdef REG_Liveness
-freeReg ILIT(REG_Liveness) = _FALSE_
-#endif
-#ifdef REG_StdUpdRetVec
-freeReg ILIT(REG_StdUpdRetVec) = _FALSE_
-#endif
-#ifdef REG_StkStub
-freeReg ILIT(REG_StkStub) = _FALSE_
-#endif
-freeReg _ = _TRUE_
freeReg n
-- we hang onto two double regs for dedicated
-- use; this is not necessary on Alphas and
-- may not be on other non-SPARCs.
-#ifdef REG_Dbl1
- | n _EQ_ (ILIT(REG_Dbl1) _ADD_ ILIT(1)) = _FALSE_
+#ifdef REG_D1
+ | n _EQ_ (ILIT(REG_D1) _ADD_ ILIT(1)) = _FALSE_
#endif
-#ifdef REG_Dbl2
- | n _EQ_ (ILIT(REG_Dbl2) _ADD_ ILIT(1)) = _FALSE_
+#ifdef REG_D2
+ | n _EQ_ (ILIT(REG_D2) _ADD_ ILIT(1)) = _FALSE_
#endif
| otherwise = _TRUE_
\end{code}
projects / ghc-hetmet.git / blobdiff