X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcodeGen%2FCgCon.lhs;h=a700ccd70e5282e538e1282da347e158b0bc762e;hb=0aa5f6851c493805be58da3798f6ad55b6538cf2;hp=5269e4ec4192a726a93f5376fe1b23ef66512e56;hpb=7fc749a43b4b6b85d234fa95d4928648259584f4;p=ghc-hetmet.git diff --git a/compiler/codeGen/CgCon.lhs b/compiler/codeGen/CgCon.lhs index 5269e4e..a700ccd 100644 --- a/compiler/codeGen/CgCon.lhs +++ b/compiler/codeGen/CgCon.lhs @@ -9,13 +9,6 @@ with {\em constructors} on the RHSs of let(rec)s. See also @CgClosure@, which deals with closures. \begin{code} -{-# OPTIONS -w #-} --- The above warning supression flag is a temporary kludge. --- While working on this module you are encouraged to remove it and fix --- any warnings in the module. See --- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings --- for details - module CgCon ( cgTopRhsCon, buildDynCon, bindConArgs, bindUnboxedTupleComponents, @@ -47,13 +40,13 @@ import Constants import TyCon import DataCon import Id +import IdInfo import Type import PrelInfo import Outputable import ListSetOps -#ifdef DEBUG -import Util ( lengthIs ) -#endif +import Util +import FastString \end{code} @@ -83,7 +76,7 @@ cgTopRhsCon id con args ; let name = idName id lf_info = mkConLFInfo con - closure_label = mkClosureLabel name + closure_label = mkClosureLabel name $ idCafInfo id caffy = any stgArgHasCafRefs args (closure_info, amodes_w_offsets) = layOutStaticConstr con amodes closure_rep = mkStaticClosureFields @@ -141,9 +134,10 @@ which have exclusively size-zero (VoidRep) args, we generate no code at all. \begin{code} -buildDynCon binder cc con [] +buildDynCon binder _ con [] = returnFC (taggedStableIdInfo binder - (mkLblExpr (mkClosureLabel (dataConName con))) + (mkLblExpr (mkClosureLabel (dataConName con) + (idCafInfo binder))) (mkConLFInfo con) con) \end{code} @@ -170,23 +164,23 @@ which is guaranteed in range. Because of this, we use can safely return an addressing mode. \begin{code} -buildDynCon binder cc con [arg_amode] +buildDynCon binder _ con [arg_amode] | maybeIntLikeCon con , (_, CmmLit (CmmInt val _)) <- arg_amode , let val_int = (fromIntegral val) :: Int , val_int <= mAX_INTLIKE && val_int >= mIN_INTLIKE - = do { let intlike_lbl = mkRtsDataLabel SLIT("stg_INTLIKE_closure") + = do { let intlike_lbl = mkRtsGcPtrLabel (sLit "stg_INTLIKE_closure") offsetW = (val_int - mIN_INTLIKE) * (fixedHdrSize + 1) -- INTLIKE closures consist of a header and one word payload intlike_amode = CmmLit (cmmLabelOffW intlike_lbl offsetW) ; returnFC (taggedStableIdInfo binder intlike_amode (mkConLFInfo con) con) } -buildDynCon binder cc con [arg_amode] +buildDynCon binder _ con [arg_amode] | maybeCharLikeCon con , (_, CmmLit (CmmInt val _)) <- arg_amode , let val_int = (fromIntegral val) :: Int , val_int <= mAX_CHARLIKE && val_int >= mIN_CHARLIKE - = do { let charlike_lbl = mkRtsDataLabel SLIT("stg_CHARLIKE_closure") + = do { let charlike_lbl = mkRtsGcPtrLabel (sLit "stg_CHARLIKE_closure") offsetW = (val_int - mIN_CHARLIKE) * (fixedHdrSize + 1) -- CHARLIKE closures consist of a header and one word payload charlike_amode = CmmLit (cmmLabelOffW charlike_lbl offsetW) @@ -325,7 +319,7 @@ cgReturnDataCon con amodes | isDeadBinder bndr -> performReturn (jump_to deflt_lbl) | otherwise -> build_it_then (jump_to deflt_lbl) } - other_sequel -- The usual case + _ -- The usual case | isUnboxedTupleCon con -> returnUnboxedTuple amodes | otherwise -> build_it_then emitReturnInstr } @@ -397,11 +391,13 @@ cgTyCon tycon -- datatype closure table (for enumeration types) -- to (say) PrelBase_$wTrue_closure, which is defined in code_stuff -- Note that the closure pointers are tagged. + + -- XXX comment says to put table after constructor decls, but + -- code appears to put it before --- NR 16 Aug 2007 ; extra <- if isEnumerationTyCon tycon then do - tbl <- getCmm (emitRODataLits (mkLocalClosureTableLabel - (tyConName tycon)) - [ CmmLabelOff (mkLocalClosureLabel (dataConName con)) (tagForCon con) + tbl <- getCmm (emitRODataLits "cgTyCon" (mkLocalClosureTableLabel (tyConName tycon) NoCafRefs) + [ CmmLabelOff (mkLocalClosureLabel (dataConName con) NoCafRefs) (tagForCon con) | con <- tyConDataCons tycon]) return [tbl] else