--
module PprCmm
- ( writeCmms, pprCmms, pprCmm, pprStmt, pprExpr, pprSection, pprStatic, pprLit
+ ( writeCmms, pprCmms, pprCmm, pprStmt, pprExpr,
+ pprSection, pprStatic, pprLit
)
where
import BlockId
import Cmm
import CmmUtils
-import MachOp
import CLabel
+import BasicTypes
+
import ForeignCall
-import Unique
import Outputable
import FastString
import System.IO
import Data.Maybe
+-- Temp Jan08
+import SMRep
+import ClosureInfo
+#include "../includes/rts/storage/FunTypes.h"
+
+
pprCmms :: (Outputable info, Outputable g) => [GenCmm CmmStatic info g] -> SDoc
pprCmms cmms = pprCode CStyle (vcat (intersperse separator $ map ppr cmms))
where
-----------------------------------------------------------------------------
pprCmm :: (Outputable d, Outputable info, Outputable g) => GenCmm d info g -> SDoc
-pprCmm (Cmm tops) = vcat $ intersperse (text "") $ map pprTop tops
+pprCmm (Cmm tops) = vcat $ intersperse blankLine $ map pprTop tops
-- --------------------------------------------------------------------------
-- Top level `procedure' blocks.
pprTop (CmmProc info lbl params graph )
- = vcat [ pprCLabel lbl <> parens (commafy $ map ppr params) <+> lbrace
+ = vcat [ pprCLabel lbl <> parens (commafy $ map ppr params)
, nest 8 $ lbrace <+> ppr info $$ rbrace
, nest 4 $ ppr graph
, rbrace ]
pprInfo :: CmmInfo -> SDoc
pprInfo (CmmInfo _gc_target update_frame CmmNonInfoTable) =
vcat [{-ptext (sLit "gc_target: ") <>
- maybe (ptext (sLit "<none>")) pprBlockId gc_target,-}
+ maybe (ptext (sLit "<none>")) ppr gc_target,-}
ptext (sLit "update_frame: ") <>
maybe (ptext (sLit "<none>")) pprUpdateFrame update_frame]
pprInfo (CmmInfo _gc_target update_frame
- (CmmInfoTable (ProfilingInfo closure_type closure_desc) tag info)) =
+ (CmmInfoTable stat_clos (ProfilingInfo closure_type closure_desc) tag info)) =
vcat [{-ptext (sLit "gc_target: ") <>
- maybe (ptext (sLit "<none>")) pprBlockId gc_target,-}
+ maybe (ptext (sLit "<none>")) ppr gc_target,-}
+ ptext (sLit "has static closure: ") <> ppr stat_clos <+>
ptext (sLit "update_frame: ") <>
maybe (ptext (sLit "<none>")) pprUpdateFrame update_frame,
ptext (sLit "type: ") <> pprLit closure_type,
ptext (sLit "nptrs: ") <> integer (toInteger (snd layout)),
ptext (sLit "constructor: ") <> integer (toInteger constr),
pprLit descr]
-pprTypeInfo (FunInfo layout srt fun_type arity _args slow_entry) =
+pprTypeInfo (FunInfo layout srt arity _args slow_entry) =
vcat [ptext (sLit "ptrs: ") <> integer (toInteger (fst layout)),
ptext (sLit "nptrs: ") <> integer (toInteger (snd layout)),
ptext (sLit "srt: ") <> ppr srt,
- ptext (sLit "fun_type: ") <> integer (toInteger fun_type),
+-- Temp Jan08
+ ptext (sLit ("fun_type: ")) <> integer (toInteger (argDescrType _args)),
+
ptext (sLit "arity: ") <> integer (toInteger arity),
--ptext (sLit "args: ") <> ppr args, -- TODO: needs to be printed
ptext (sLit "slow: ") <> pprLit slow_entry
vcat [ptext (sLit "stack: ") <> ppr stack,
ptext (sLit "srt: ") <> ppr srt]
+-- Temp Jan08
+argDescrType :: ArgDescr -> StgHalfWord
+-- The "argument type" RTS field type
+argDescrType (ArgSpec n) = n
+argDescrType (ArgGen liveness)
+ | isBigLiveness liveness = ARG_GEN_BIG
+ | otherwise = ARG_GEN
+
+-- Temp Jan08
+isBigLiveness :: Liveness -> Bool
+isBigLiveness (BigLiveness _) = True
+isBigLiveness (SmallLiveness _) = False
+
+
pprUpdateFrame :: UpdateFrame -> SDoc
pprUpdateFrame (UpdateFrame expr args) =
hcat [ ptext (sLit "jump")
-- lbl: stmt ; stmt ; ..
pprBBlock :: Outputable stmt => GenBasicBlock stmt -> SDoc
pprBBlock (BasicBlock ident stmts) =
- hang (pprBlockId ident <> colon) 4 (vcat (map ppr stmts))
+ hang (ppr ident <> colon) 4 (vcat (map ppr stmts))
-- --------------------------------------------------------------------------
-- Statements. C-- usually, exceptions to this should be obvious.
-- rep[lv] = expr;
CmmStore lv expr -> rep <> brackets(ppr lv) <+> equals <+> ppr expr <> semi
where
- rep = ppr ( cmmExprRep expr )
+ rep = ppr ( cmmExprType expr )
-- call "ccall" foo(x, y)[r1, r2];
-- ToDo ppr volatile
CmmCall (CmmCallee fn cconv) results args safety ret ->
- hcat [ if null results
- then empty
- else parens (commafy $ map ppr results) <>
- ptext (sLit " = "),
- ptext (sLit "foreign"), space,
- doubleQuotes(ppr cconv), space,
- target fn, parens ( commafy $ map ppr args ),
- brackets (ppr safety),
- case ret of CmmMayReturn -> empty
- CmmNeverReturns -> ptext (sLit " never returns"),
- semi ]
+ sep [ pp_lhs <+> pp_conv
+ , nest 2 (pprExpr9 fn <>
+ parens (commafy (map ppr_ar args)))
+ <> brackets (ppr safety)
+ , case ret of CmmMayReturn -> empty
+ CmmNeverReturns -> ptext $ sLit (" never returns")
+ ] <> semi
where
- ---- With the following three functions, I was going somewhere
- ---- useful, but I don't remember where. Probably making
- ---- emitted Cmm output look better. ---NR, 2 May 2008
- _pp_lhs | null results = empty
- | otherwise = commafy (map ppr_ar results) <+> equals
+ pp_lhs | null results = empty
+ | otherwise = commafy (map ppr_ar results) <+> equals
-- Don't print the hints on a native C-- call
- ppr_ar arg = case cconv of
- CmmCallConv -> ppr (kindlessCmm arg)
- _ -> doubleQuotes (ppr $ cmmKind arg) <+>
- ppr (kindlessCmm arg)
- _pp_conv = case cconv of
+ ppr_ar (CmmHinted ar k) = case cconv of
+ CmmCallConv -> ppr ar
+ _ -> ppr (ar,k)
+ pp_conv = case cconv of
CmmCallConv -> empty
- _ -> ptext (sLit "foreign") <+> doubleQuotes (ppr cconv)
-
- target (CmmLit lit) = pprLit lit
- target fn' = parens (ppr fn')
+ _ -> ptext (sLit("foreign")) <+> doubleQuotes (ppr cconv)
+ -- Call a CallishMachOp, like sin or cos that might be implemented as a library call.
CmmCall (CmmPrim op) results args safety ret ->
pprStmt (CmmCall (CmmCallee (CmmLit lbl) CCallConv)
results args safety ret)
where
- lbl = CmmLabel (mkForeignLabel (mkFastString (show op)) Nothing False)
+ -- HACK: A CallishMachOp doesn't really correspond to a ForeignLabel, but we
+ -- use one to get the label printed.
+ lbl = CmmLabel (mkForeignLabel
+ (mkFastString (show op))
+ Nothing ForeignLabelInThisPackage IsFunction)
CmmBranch ident -> genBranch ident
CmmCondBranch expr ident -> genCondBranch expr ident
CmmReturn params -> genReturn params
CmmSwitch arg ids -> genSwitch arg ids
+instance Outputable ForeignHint where
+ ppr NoHint = empty
+ ppr SignedHint = quotes(text "signed")
+-- ppr AddrHint = quotes(text "address")
+-- Temp Jan08
+ ppr AddrHint = (text "PtrHint")
+
+-- Just look like a tuple, since it was a tuple before
+-- ... is that a good idea? --Isaac Dupree
+instance (Outputable a) => Outputable (CmmHinted a) where
+ ppr (CmmHinted a k) = ppr (a, k)
+
-- --------------------------------------------------------------------------
-- goto local label. [1], section 6.6
--
--
genBranch :: BlockId -> SDoc
genBranch ident =
- ptext (sLit "goto") <+> pprBlockId ident <> semi
+ ptext (sLit "goto") <+> ppr ident <> semi
-- --------------------------------------------------------------------------
-- Conditional. [1], section 6.4
hsep [ ptext (sLit "if")
, parens(ppr expr)
, ptext (sLit "goto")
- , pprBlockId ident <> semi ]
+ , ppr ident <> semi ]
-- --------------------------------------------------------------------------
-- A tail call. [1], Section 6.9
--
-- jump foo(a, b, c);
--
-genJump :: CmmExpr -> [CmmKinded CmmExpr] -> SDoc
+genJump :: CmmExpr -> [CmmHinted CmmExpr] -> SDoc
genJump expr args =
-
hcat [ ptext (sLit "jump")
, space
, if isTrivialCmmExpr expr
CmmLoad (CmmReg _) _ -> pprExpr expr
_ -> parens (pprExpr expr)
, space
- , parens ( commafy $ map pprKinded args )
+ , parens ( commafy $ map ppr args )
, semi ]
-pprKinded :: Outputable a => (CmmKinded a) -> SDoc
-pprKinded (CmmKinded a NoHint) = ppr a
-pprKinded (CmmKinded a PtrHint) = quotes(text "address") <+> ppr a
-pprKinded (CmmKinded a SignedHint) = quotes(text "signed") <+> ppr a
-pprKinded (CmmKinded a FloatHint) = quotes(text "float") <+> ppr a
-- --------------------------------------------------------------------------
-- Return from a function. [1], Section 6.8.2 of version 1.128
--
-- return (a, b, c);
--
-genReturn :: [CmmKinded CmmExpr] -> SDoc
+genReturn :: [CmmHinted CmmExpr] -> SDoc
genReturn args =
-
hcat [ ptext (sLit "return")
, space
, parens ( commafy $ map ppr args )
in hsep [ ptext (sLit "case")
, hcat (punctuate comma (map int is))
, ptext (sLit ": goto")
- , pprBlockId (head [ id | Just id <- ids]) <> semi ]
+ , ppr (head [ id | Just id <- ids]) <> semi ]
-- --------------------------------------------------------------------------
-- Expressions
CmmRegOff reg i ->
pprExpr (CmmMachOp (MO_Add rep)
[CmmReg reg, CmmLit (CmmInt (fromIntegral i) rep)])
- where rep = cmmRegRep reg
+ where rep = typeWidth (cmmRegType reg)
CmmLit lit -> pprLit lit
_other -> pprExpr1 e
pprLit lit = case lit of
CmmInt i rep ->
hcat [ (if i < 0 then parens else id)(integer i)
- , (if rep == wordRep
- then empty
- else space <> dcolon <+> ppr rep) ]
+ , ppUnless (rep == wordWidth) $
+ space <> dcolon <+> ppr rep ]
CmmFloat f rep -> hsep [ rational f, dcolon, ppr rep ]
CmmLabel clbl -> pprCLabel clbl
CmmLabelOff clbl i -> pprCLabel clbl <> ppr_offset i
CmmLabelDiffOff clbl1 clbl2 i -> pprCLabel clbl1 <> char '-'
<> pprCLabel clbl2 <> ppr_offset i
+ CmmBlock id -> ppr id
+ CmmHighStackMark -> text "<highSp>"
pprLit1 :: CmmLit -> SDoc
pprLit1 lit@(CmmLabelOff {}) = parens (pprLit lit)
-- We only print the type of the local reg if it isn't wordRep
--
pprLocalReg :: LocalReg -> SDoc
-pprLocalReg (LocalReg uniq rep follow)
- = hcat [ char '_', ppr uniq, ty ] where
- ty = if rep == wordRep && follow == GCKindNonPtr
- then empty
- else dcolon <> ptr <> ppr rep
- ptr = if follow == GCKindNonPtr
- then empty
- else doubleQuotes (text "ptr")
+pprLocalReg (LocalReg uniq rep)
+-- = ppr rep <> char '_' <> ppr uniq
+-- Temp Jan08
+ = char '_' <> ppr uniq <>
+ (if isWord32 rep -- && not (isGcPtrType rep) -- Temp Jan08 -- sigh
+ then dcolon <> ptr <> ppr rep
+ else dcolon <> ptr <> ppr rep)
+ where
+ ptr = empty
+ --if isGcPtrType rep
+ -- then doubleQuotes (text "ptr")
+ -- else empty
-- Stack areas
pprArea :: Area -> SDoc
-pprArea (RegSlot r) = hcat [ text "slot<", ppr r, text ">" ]
-pprArea (CallArea id n n') =
- hcat [ text "callslot<", ppr id, char '+', ppr n, char '/', ppr n', text ">" ]
+pprArea (RegSlot r) = hcat [ text "slot<", ppr r, text ">" ]
+pprArea (CallArea id) = pprAreaId id
+
+pprAreaId :: AreaId -> SDoc
+pprAreaId Old = text "old"
+pprAreaId (Young id) = hcat [ text "young<", ppr id, text ">" ]
-- needs to be kept in syn with Cmm.hs.GlobalReg
--
pprGlobalReg :: GlobalReg -> SDoc
pprGlobalReg gr
= case gr of
- VanillaReg n -> char 'R' <> int n
+ VanillaReg n _ -> char 'R' <> int n
+-- Temp Jan08
+-- VanillaReg n VNonGcPtr -> char 'R' <> int n
+-- VanillaReg n VGcPtr -> char 'P' <> int n
FloatReg n -> char 'F' <> int n
DoubleReg n -> char 'D' <> int n
LongReg n -> char 'L' <> int n
where
section = ptext (sLit "section")
--- --------------------------------------------------------------------------
--- Basic block ids
---
-pprBlockId :: BlockId -> SDoc
-pprBlockId b = ppr $ getUnique b
-
-----------------------------------------------------------------------------
commafy :: [SDoc] -> SDoc