X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fcmm%2FCmmInfo.hs;h=a606da2aec4fc5dd19d811d7581c808966de683b;hp=438f1227349c7009e76904ae672784c8e935c8a7;hb=927df6486bc0dcb598b82702ca40c8fad0d9b25f;hpb=e6243a818496aad82b6f47511d3bd9bc800f747d diff --git a/compiler/cmm/CmmInfo.hs b/compiler/cmm/CmmInfo.hs index 438f122..a606da2 100644 --- a/compiler/cmm/CmmInfo.hs +++ b/compiler/cmm/CmmInfo.hs @@ -1,20 +1,12 @@ -{-# 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 CmmInfo ( emptyContInfoTable, cmmToRawCmm, mkInfoTable, - mkBareInfoTable ) where #include "HsVersions.h" -import Cmm +import OldCmm import CmmUtils import CLabel @@ -25,22 +17,19 @@ import CgInfoTbls import CgCallConv import CgUtils import SMRep -import ZipCfgCmmRep import Constants -import Outputable +import Panic import StaticFlags import Unique import UniqSupply -import Panic import Data.Bits -- When we split at proc points, we need an empty info table. -emptyContInfoTable :: CmmInfo -emptyContInfoTable = - CmmInfo Nothing Nothing (CmmInfoTable False (ProfilingInfo zero zero) rET_SMALL - (ContInfo [] NoC_SRT)) +emptyContInfoTable :: CmmInfoTable +emptyContInfoTable = CmmInfoTable False (ProfilingInfo zero zero) rET_SMALL + (ContInfo [] NoC_SRT) where zero = CmmInt 0 wordWidth cmmToRawCmm :: [Cmm] -> IO [RawCmm] @@ -66,7 +55,7 @@ cmmToRawCmm cmm = do -- -- -- --- See includes/InfoTables.h +-- See includes/rts/storage/InfoTables.h -- -- For return-points these are as follows -- @@ -85,11 +74,11 @@ cmmToRawCmm cmm = do -- * The SRT slot is only there if there is SRT info to record mkInfoTable :: Unique -> CmmTop -> [RawCmmTop] -mkInfoTable uniq (CmmData sec dat) = [CmmData sec dat] -mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = +mkInfoTable _ (CmmData sec dat) = [CmmData sec dat] +mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label blocks) = case info of -- Code without an info table. Easy. - CmmNonInfoTable -> [CmmProc [] entry_label arguments blocks] + CmmNonInfoTable -> [CmmProc [] entry_label blocks] CmmInfoTable _ (ProfilingInfo ty_prof cl_prof) type_tag type_info -> let info_label = entryLblToInfoLbl entry_label @@ -99,7 +88,7 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = -- 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 + blocks where fun_type = argDescrType pap_bitmap fun_extra_bits = @@ -118,7 +107,7 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = -- A constructor. ConstrInfo (ptrs, nptrs) con_tag descr -> mkInfoTableAndCode info_label std_info [con_name] entry_label - arguments blocks + blocks where std_info = mkStdInfoTable ty_prof' cl_prof' type_tag con_tag layout con_name = makeRelativeRefTo info_label descr @@ -126,16 +115,16 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = -- A thunk. ThunkInfo (ptrs, nptrs) srt -> mkInfoTableAndCode info_label std_info srt_label entry_label - arguments blocks + blocks where std_info = mkStdInfoTable ty_prof' cl_prof' type_tag srt_bitmap layout (srt_label, srt_bitmap) = mkSRTLit info_label srt layout = packHalfWordsCLit ptrs nptrs -- A selector thunk. - ThunkSelectorInfo offset srt -> + ThunkSelectorInfo offset _srt -> mkInfoTableAndCode info_label std_info [{- no SRT -}] entry_label - arguments blocks + blocks where std_info = mkStdInfoTable ty_prof' cl_prof' type_tag 0 (mkWordCLit offset) @@ -143,7 +132,7 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = ContInfo stack_layout srt -> liveness_data ++ mkInfoTableAndCode info_label std_info srt_label entry_label - arguments blocks + blocks where std_info = mkStdInfoTable ty_prof' cl_prof' maybe_big_type_tag srt_bitmap (makeRelativeRefTo info_label liveness_lit) @@ -154,30 +143,18 @@ mkInfoTable uniq (CmmProc (CmmInfo _ _ info) entry_label arguments blocks) = else type_tag (srt_label, srt_bitmap) = mkSRTLit info_label srt --- Generate a bare info table, not attached to any procedure. -mkBareInfoTable :: CLabel -> Unique -> CmmInfoTable -> [CmmTopZ] -mkBareInfoTable lbl uniq info = - case mkInfoTable uniq (CmmProc (CmmInfo Nothing Nothing info) lbl [] (ListGraph [])) of - [CmmProc d _ _ _] -> - ASSERT (tablesNextToCode) - [CmmData Data (d ++ [CmmDataLabel (entryLblToInfoLbl lbl)])] - [CmmData d s] -> [CmmData d s] - _ -> panic "mkBareInfoTable expected to produce only data" - - -- Handle the differences between tables-next-to-code -- and not tables-next-to-code mkInfoTableAndCode :: CLabel -> [CmmLit] -> [CmmLit] -> CLabel - -> CmmFormals -> ListGraph CmmStmt -> [RawCmmTop] -mkInfoTableAndCode info_lbl std_info extra_bits entry_lbl args blocks +mkInfoTableAndCode info_lbl std_info extra_bits entry_lbl blocks | tablesNextToCode -- Reverse the extra_bits; and emit the top-level proc = [CmmProc (map CmmStaticLit (reverse extra_bits ++ std_info)) - entry_lbl args blocks] + entry_lbl blocks] | ListGraph [] <- blocks -- No code; only the info table is significant = -- Use a zero place-holder in place of the @@ -186,14 +163,14 @@ mkInfoTableAndCode info_lbl std_info extra_bits entry_lbl args blocks | otherwise -- Separately emit info table (with the function entry = -- point as first entry) and the entry code - [CmmProc [] entry_lbl args blocks, + [CmmProc [] entry_lbl blocks, mkDataLits info_lbl (CmmLabel entry_lbl : std_info ++ extra_bits)] mkSRTLit :: CLabel -> C_SRT -> ([CmmLit], -- srt_label StgHalfWord) -- srt_bitmap -mkSRTLit info_label NoC_SRT = ([], 0) +mkSRTLit _ NoC_SRT = ([], 0) mkSRTLit info_label (C_SRT lbl off bitmap) = ([makeRelativeRefTo info_label (cmmLabelOffW lbl off)], bitmap) @@ -253,7 +230,7 @@ mkLiveness uniq live = small_bitmap = case bitmap of [] -> 0 - [b] -> fromIntegral b + [b] -> b _ -> panic "mkLiveness" small_liveness = fromIntegral (length bits) .|. (small_bitmap `shiftL` bITMAP_BITS_SHIFT)