X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fcmm%2FCmmInfo.hs;h=eb226da03e201f3a9558419c4a23cc5ac84b0445;hp=c0e217c1cc62029ad3d0514b51c50afda56fe760;hb=176fa33f17dd78355cc572e006d2ab26898e2c69;hpb=30c122df62ec75f9ed7f392f24c2925675bf1d06 diff --git a/compiler/cmm/CmmInfo.hs b/compiler/cmm/CmmInfo.hs index c0e217c..eb226da 100644 --- a/compiler/cmm/CmmInfo.hs +++ b/compiler/cmm/CmmInfo.hs @@ -16,7 +16,6 @@ import Cmm import CmmUtils import CLabel -import MachOp import Bitmap import ClosureInfo @@ -26,6 +25,7 @@ import CgUtils import SMRep import Constants +import Outputable import StaticFlags import Unique import UniqSupply @@ -78,19 +78,20 @@ mkInfoTable :: Unique -> CmmTop -> [RawCmmTop] mkInfoTable uniq (CmmData sec dat) = [CmmData sec dat] mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = case info of - -- | Code without an info table. Easy. + -- Code without an info table. Easy. CmmNonInfoTable -> [CmmProc [] entry_label arguments blocks] CmmInfoTable (ProfilingInfo ty_prof cl_prof) type_tag type_info -> let info_label = entryLblToInfoLbl entry_label - ty_prof' = makeRelativeRefTo info_label ty_prof - cl_prof' = makeRelativeRefTo info_label cl_prof + ty_prof' = makeRelativeRefTo info_label ty_prof + cl_prof' = makeRelativeRefTo info_label cl_prof in case type_info of - -- | A function entry point. - FunInfo (ptrs, nptrs) srt fun_type fun_arity pap_bitmap slow_entry -> + -- A function entry point. + FunInfo (ptrs, nptrs) srt fun_arity pap_bitmap slow_entry -> mkInfoTableAndCode info_label std_info fun_extra_bits entry_label arguments blocks where + fun_type = argDescrType pap_bitmap fun_extra_bits = [packHalfWordsCLit fun_type fun_arity] ++ case pap_bitmap of @@ -104,7 +105,7 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = (srt_label, srt_bitmap) = mkSRTLit info_label srt layout = packHalfWordsCLit ptrs nptrs - -- | A constructor. + -- A constructor. ConstrInfo (ptrs, nptrs) con_tag descr -> mkInfoTableAndCode info_label std_info [con_name] entry_label arguments blocks @@ -112,8 +113,7 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = std_info = mkStdInfoTable ty_prof' cl_prof' type_tag con_tag layout con_name = makeRelativeRefTo info_label descr layout = packHalfWordsCLit ptrs nptrs - - -- | A thunk. + -- A thunk. ThunkInfo (ptrs, nptrs) srt -> mkInfoTableAndCode info_label std_info srt_label entry_label arguments blocks @@ -122,7 +122,7 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = (srt_label, srt_bitmap) = mkSRTLit info_label srt layout = packHalfWordsCLit ptrs nptrs - -- | A selector thunk. + -- A selector thunk. ThunkSelectorInfo offset srt -> mkInfoTableAndCode info_label std_info [{- no SRT -}] entry_label arguments blocks @@ -150,7 +150,7 @@ mkInfoTableAndCode :: CLabel -> [CmmLit] -> [CmmLit] -> CLabel - -> CmmFormalsWithoutKinds + -> CmmFormals -> ListGraph CmmStmt -> [RawCmmTop] mkInfoTableAndCode info_lbl std_info extra_bits entry_lbl args blocks @@ -200,30 +200,29 @@ mkSRTLit info_label (C_SRT lbl off bitmap) = -- TODO: combine with CgCallConv.mkLiveness (see comment there) mkLiveness :: Unique -> [Maybe LocalReg] - -> (CmmLit, -- ^ The bitmap (literal value or label) - [RawCmmTop], -- ^ Large bitmap CmmData if needed - ClosureTypeTag) -- ^ rET_SMALL or rET_BIG + -> (CmmLit, [RawCmmTop], ClosureTypeTag) + -- ^ Returns: + -- 1. The bitmap (literal value or label) + -- 2. Large bitmap CmmData if needed + -- 3. rET_SMALL or rET_BIG mkLiveness uniq live = if length bits > mAX_SMALL_BITMAP_SIZE -- does not fit in one word then (CmmLabel big_liveness, [data_lits], rET_BIG) -- fits in one word - else (mkWordCLit small_liveness, [], rET_SMALL) + else (mkWordCLit small_liveness, [], rET_SMALL) where mkBits [] = [] mkBits (reg:regs) = take sizeW bits ++ mkBits regs where sizeW = case reg of Nothing -> 1 - Just r -> (machRepByteWidth (localRegRep r) + wORD_SIZE - 1) + Just r -> (widthInBytes (typeWidth (localRegType r)) + wORD_SIZE - 1) `quot` wORD_SIZE -- number of words, rounded up bits = repeat $ is_non_ptr reg -- True <=> Non Ptr - is_non_ptr Nothing = True - is_non_ptr (Just reg) = - case localRegGCFollow reg of - GCKindNonPtr -> True - GCKindPtr -> False + is_non_ptr Nothing = True + is_non_ptr (Just reg) = not $ isGcPtrType (localRegType reg) bits :: [Bool] bits = mkBits live