X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fcmm%2FCmmParse.y;h=840b564a837fb13627802d33eb5b6691856c232d;hb=d31dfb32ea936c22628b508c28a36c12e631430a;hp=dda1ca246bccaf3b527d1eb4abae7c2fc1375325;hpb=affbe8dae5d7eb350686b42ddbd4f3561b7bd0ec;p=ghc-hetmet.git diff --git a/compiler/cmm/CmmParse.y b/compiler/cmm/CmmParse.y index dda1ca2..840b564 100644 --- a/compiler/cmm/CmmParse.y +++ b/compiler/cmm/CmmParse.y @@ -199,44 +199,73 @@ lits :: { [ExtFCode CmmExpr] } | ',' expr lits { $2 : $3 } cmmproc :: { ExtCode } +-- TODO: add real SRT/info tables to parsed Cmm : info maybe_formals '{' body '}' - { do (info_lbl, info1, info2) <- $1; + { do (info_lbl, info) <- $1; formals <- sequence $2; stmts <- getCgStmtsEC (loopDecls $4) blks <- code (cgStmtsToBlocks stmts) - code (emitInfoTableAndCode info_lbl info1 info2 formals blks) } + code (emitInfoTableAndCode info_lbl info formals blks) } | info maybe_formals ';' - { do (info_lbl, info1, info2) <- $1; + { do (info_lbl, info) <- $1; formals <- sequence $2; - code (emitInfoTableAndCode info_lbl info1 info2 formals []) } + code (emitInfoTableAndCode info_lbl info formals []) } | NAME maybe_formals '{' body '}' { do formals <- sequence $2; stmts <- getCgStmtsEC (loopDecls $4); blks <- code (cgStmtsToBlocks stmts); - code (emitProc [] (mkRtsCodeLabelFS $1) formals blks) } + code (emitProc (CmmNonInfo Nothing) (mkRtsCodeLabelFS $1) formals blks) } -info :: { ExtFCode (CLabel, [CmmLit],[CmmLit]) } +info :: { ExtFCode (CLabel, CmmInfo) } : 'INFO_TABLE' '(' NAME ',' INT ',' INT ',' INT ',' STRING ',' STRING ')' -- ptrs, nptrs, closure type, description, type - { stdInfo $3 $5 $7 0 $9 $11 $13 } + { do prof <- profilingInfo $11 $13 + return (mkRtsInfoLabelFS $3, + CmmInfo prof Nothing (fromIntegral $9) + (ThunkInfo (fromIntegral $5, fromIntegral $7) NoC_SRT)) } | 'INFO_TABLE_FUN' '(' NAME ',' INT ',' INT ',' INT ',' STRING ',' STRING ',' INT ')' -- ptrs, nptrs, closure type, description, type, fun type - { funInfo $3 $5 $7 $9 $11 $13 $15 } + { do prof <- profilingInfo $11 $13 + return (mkRtsInfoLabelFS $3, + CmmInfo prof Nothing (fromIntegral $9) + (FunInfo (fromIntegral $5, fromIntegral $7) NoC_SRT (fromIntegral $15) 0 + (ArgSpec 0) + zeroCLit)) } + -- we leave most of the fields zero here. This is only used + -- to generate the BCO info table in the RTS at the moment. | 'INFO_TABLE_CONSTR' '(' NAME ',' INT ',' INT ',' INT ',' INT ',' STRING ',' STRING ')' -- ptrs, nptrs, tag, closure type, description, type - { conInfo $3 $5 $7 $9 $11 $13 $15 } + { do prof <- profilingInfo $13 $15 + -- If profiling is on, this string gets duplicated, + -- but that's the way the old code did it we can fix it some other time. + desc_lit <- code $ mkStringCLit $13 + return (mkRtsInfoLabelFS $3, + CmmInfo prof Nothing (fromIntegral $11) + (ConstrInfo (fromIntegral $5, fromIntegral $7) (fromIntegral $9) desc_lit)) } | 'INFO_TABLE_SELECTOR' '(' NAME ',' INT ',' INT ',' STRING ',' STRING ')' -- selector, closure type, description, type - { basicInfo $3 (mkIntCLit (fromIntegral $5)) 0 $7 $9 $11 } - - | 'INFO_TABLE_RET' '(' NAME ',' INT ',' INT ',' INT ')' - -- size, live bits, closure type - { retInfo $3 $5 $7 $9 } + { do prof <- profilingInfo $9 $11 + return (mkRtsInfoLabelFS $3, + CmmInfo prof Nothing (fromIntegral $7) + (ThunkSelectorInfo (fromIntegral $5) NoC_SRT)) } + + | 'INFO_TABLE_RET' '(' NAME ',' INT ')' + -- closure type (no live regs) + { return (mkRtsInfoLabelFS $3, + CmmInfo (ProfilingInfo zeroCLit zeroCLit) Nothing (fromIntegral $5) + (ContInfo [] NoC_SRT)) } + + | 'INFO_TABLE_RET' '(' NAME ',' INT ',' formals0 ')' + -- closure type, live regs + { do live <- sequence (map (liftM Just) $7) + return (mkRtsInfoLabelFS $3, + CmmInfo (ProfilingInfo zeroCLit zeroCLit) Nothing (fromIntegral $5) + (ContInfo live NoC_SRT)) } body :: { ExtCode } : {- empty -} { return () } @@ -261,13 +290,17 @@ stmt :: { ExtCode } | NAME ':' { do l <- newLabel $1; code (labelC l) } --- HACK: this should just be lregs but that causes a shift/reduce conflict --- with foreign calls --- | hint_lregs '=' expr ';' --- { do reg <- head $1; e <- $3; stmtEC (CmmAssign (fst reg) e) } + | lreg '=' expr ';' + { do reg <- $1; e <- $3; stmtEC (CmmAssign reg e) } | type '[' expr ']' '=' expr ';' { doStore $1 $3 $6 } --- TODO: add real SRT to parsed Cmm + + -- Gah! We really want to say "maybe_results" but that causes + -- a shift/reduce conflict with assignment. We either + -- we expand out the no-result and single result cases or + -- we tweak the syntax to avoid the conflict. The later + -- option is taken here because the other way would require + -- multiple levels of expanding and get unwieldy. | maybe_results 'foreign' STRING expr '(' hint_exprs0 ')' vols ';' {% foreignCall $3 $1 $4 $6 $8 NoC_SRT } | maybe_results 'prim' '%' NAME '(' hint_exprs0 ')' vols ';' @@ -407,15 +440,11 @@ reg :: { ExtFCode CmmExpr } maybe_results :: { [ExtFCode (CmmFormal, MachHint)] } : {- empty -} { [] } - | hint_lregs '=' { $1 } - -hint_lregs0 :: { [ExtFCode (CmmFormal, MachHint)] } - : {- empty -} { [] } - | hint_lregs { $1 } + | '(' hint_lregs ')' '=' { $2 } hint_lregs :: { [ExtFCode (CmmFormal, MachHint)] } - : hint_lreg ',' { [$1] } - | hint_lreg { [$1] } + : hint_lreg { [$1] } + | hint_lreg ',' { [$1] } | hint_lreg ',' hint_lregs { $1 : $3 } hint_lreg :: { ExtFCode (CmmFormal, MachHint) } @@ -765,48 +794,15 @@ forkLabelledCodeEC ec = do stmts <- getCgStmtsEC ec code (forkCgStmts stmts) -retInfo name size live_bits cl_type = do - let liveness = smallLiveness (fromIntegral size) (fromIntegral live_bits) - info_lbl = mkRtsRetInfoLabelFS name - (info1,info2) = mkRetInfoTable info_lbl liveness NoC_SRT - (fromIntegral cl_type) - return (info_lbl, info1, info2) - -stdInfo name ptrs nptrs srt_bitmap cl_type desc_str ty_str = - basicInfo name (packHalfWordsCLit ptrs nptrs) - srt_bitmap cl_type desc_str ty_str - -conInfo name ptrs nptrs srt_bitmap cl_type desc_str ty_str = do - (lbl, info1, _) <- basicInfo name (packHalfWordsCLit ptrs nptrs) - srt_bitmap cl_type desc_str ty_str - desc_lit <- code $ mkStringCLit desc_str - let desc_field = makeRelativeRefTo lbl desc_lit - return (lbl, info1, [desc_field]) - -basicInfo name layout srt_bitmap cl_type desc_str ty_str = do - let info_lbl = mkRtsInfoLabelFS name + +profilingInfo desc_str ty_str = do lit1 <- if opt_SccProfilingOn - then code $ do lit <- mkStringCLit desc_str - return (makeRelativeRefTo info_lbl lit) + then code $ mkStringCLit desc_str else return (mkIntCLit 0) lit2 <- if opt_SccProfilingOn - then code $ do lit <- mkStringCLit ty_str - return (makeRelativeRefTo info_lbl lit) + then code $ mkStringCLit ty_str else return (mkIntCLit 0) - let info1 = mkStdInfoTable lit1 lit2 (fromIntegral cl_type) - (fromIntegral srt_bitmap) - layout - return (info_lbl, info1, []) - -funInfo name ptrs nptrs cl_type desc_str ty_str fun_type = do - (label,info1,_) <- stdInfo name ptrs nptrs 0{-srt_bitmap-} - cl_type desc_str ty_str - let info2 = mkFunGenInfoExtraBits (fromIntegral fun_type) 0 zero zero zero - -- we leave most of the fields zero here. This is only used - -- to generate the BCO info table in the RTS at the moment. - return (label,info1,info2) - where - zero = mkIntCLit 0 + return (ProfilingInfo lit1 lit2) staticClosure :: FastString -> FastString -> [CmmLit] -> ExtCode @@ -871,6 +867,7 @@ emitRetUT args = do emitStmts stmts when (sp /= 0) $ stmtC (CmmAssign spReg (cmmRegOffW spReg (-sp))) stmtC (CmmJump (entryCode (CmmLoad (cmmRegOffW spReg sp) wordRep)) []) + -- TODO (when using CPS): emitStmt (CmmReturn (map snd args)) -- ----------------------------------------------------------------------------- -- If-then-else and boolean expressions