X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverState.hs;h=845c8aac475a0b5a1cd756c889dfac3876dda596;hb=f58fd1c755e17002102c84436f9803c4a1c4c4d0;hp=e9e8aec49431d592138fddbc1cf4f52a7b2ef871;hpb=fdc830018cb48210e2ca441942de8eae8e6aedd2;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverState.hs b/ghc/compiler/main/DriverState.hs index e9e8aec..845c8aa 100644 --- a/ghc/compiler/main/DriverState.hs +++ b/ghc/compiler/main/DriverState.hs @@ -1,9 +1,9 @@ ----------------------------------------------------------------------------- --- $Id: DriverState.hs,v 1.49 2001/07/17 15:28:30 simonpj Exp $ +-- $Id: DriverState.hs,v 1.81 2002/08/29 15:44:15 simonmar Exp $ -- -- Settings for the driver -- --- (c) The University of Glasgow 2000 +-- (c) The University of Glasgow 2002 -- ----------------------------------------------------------------------------- @@ -12,19 +12,23 @@ module DriverState where #include "../includes/config.h" #include "HsVersions.h" -import Packages ( PackageConfig(..) ) +import SysTools ( getTopDir ) +import ParsePkgConf ( loadPackageConfig ) +import Packages ( PackageConfig(..), mungePackagePaths ) import CmdLineOpts import DriverPhases import DriverUtil import Util import Config -import Exception -import IOExts import Panic +import DATA_IOREF ( IORef, newIORef, readIORef, writeIORef ) +import EXCEPTION + import List import Char import Monad +import Maybe ( fromJust, isJust ) import Directory ( doesDirectoryExist ) ----------------------------------------------------------------------------- @@ -42,9 +46,24 @@ data GhcMode | DoMake -- ghc --make | DoInteractive -- ghc --interactive | DoLink -- [ the default ] - deriving (Eq) + deriving (Eq,Show) + +GLOBAL_VAR(v_GhcMode, DoLink, GhcMode) +GLOBAL_VAR(v_GhcModeFlag, "", String) -GLOBAL_VAR(v_GhcMode, error "mode not set", GhcMode) +setMode :: GhcMode -> String -> IO () +setMode m flag = do + old_mode <- readIORef v_GhcMode + old_flag <- readIORef v_GhcModeFlag + when (notNull old_flag && flag /= old_flag) $ + throwDyn (UsageError + ("cannot use `" ++ old_flag ++ "' with `" ++ flag ++ "'")) + writeIORef v_GhcMode m + writeIORef v_GhcModeFlag flag + +isCompManagerMode DoMake = True +isCompManagerMode DoInteractive = True +isCompManagerMode _ = False ----------------------------------------------------------------------------- -- Global compilation flags @@ -58,12 +77,17 @@ v_Hs_source_cpp_opts = global ] {-# NOINLINE v_Hs_source_cpp_opts #-} + -- Keep output from intermediate phases GLOBAL_VAR(v_Keep_hi_diffs, False, Bool) GLOBAL_VAR(v_Keep_hc_files, False, Bool) GLOBAL_VAR(v_Keep_s_files, False, Bool) GLOBAL_VAR(v_Keep_raw_s_files, False, Bool) GLOBAL_VAR(v_Keep_tmp_files, False, Bool) +#ifdef ILX +GLOBAL_VAR(v_Keep_il_files, False, Bool) +GLOBAL_VAR(v_Keep_ilx_files, False, Bool) +#endif -- Misc GLOBAL_VAR(v_Scale_sizes_by, 1.0, Double) @@ -73,6 +97,10 @@ GLOBAL_VAR(v_Recomp, True, Bool) GLOBAL_VAR(v_Collect_ghc_timing, False, Bool) GLOBAL_VAR(v_Do_asm_mangling, True, Bool) GLOBAL_VAR(v_Excess_precision, False, Bool) +GLOBAL_VAR(v_Read_DotGHCi, True, Bool) + +-- Preprocessor flags +GLOBAL_VAR(v_Hs_source_pp_opts, [], [String]) ----------------------------------------------------------------------------- -- Splitting object files (for libraries) @@ -95,16 +123,40 @@ can_split = prefixMatch "i386" cTARGETPLATFORM ----------------------------------------------------------------------------- -- Compiler output options -defaultHscLang - | cGhcWithNativeCodeGen == "YES" && - (prefixMatch "i386" cTARGETPLATFORM || - prefixMatch "sparc" cTARGETPLATFORM) = HscAsm - | otherwise = HscC - GLOBAL_VAR(v_Output_dir, Nothing, Maybe String) GLOBAL_VAR(v_Output_file, Nothing, Maybe String) GLOBAL_VAR(v_Output_hi, Nothing, Maybe String) +-- called to verify that the output files & directories +-- point somewhere valid. +-- +-- The assumption is that the directory portion of these output +-- options will have to exist by the time 'verifyOutputFiles' +-- is invoked. +-- +verifyOutputFiles :: IO () +verifyOutputFiles = do + odir <- readIORef v_Output_dir + when (isJust odir) $ do + let dir = fromJust odir + flg <- doesDirectoryExist dir + when (not flg) (nonExistentDir "-odir" dir) + ofile <- readIORef v_Output_file + when (isJust ofile) $ do + let fn = fromJust ofile + flg <- doesDirNameExist fn + when (not flg) (nonExistentDir "-o" fn) + ohi <- readIORef v_Output_hi + when (isJust ohi) $ do + let hi = fromJust ohi + flg <- doesDirNameExist hi + when (not flg) (nonExistentDir "-ohi" hi) + where + nonExistentDir flg dir = + throwDyn (CmdLineError ("error: directory portion of " ++ + show dir ++ " does not exist (used with " ++ + show flg ++ " option.)")) + GLOBAL_VAR(v_Object_suf, Nothing, Maybe String) GLOBAL_VAR(v_HC_suf, Nothing, Maybe String) GLOBAL_VAR(v_Hi_dir, Nothing, Maybe String) @@ -131,21 +183,18 @@ osuf_ify f = do GLOBAL_VAR(v_OptLevel, 0, Int) -setOptLevel :: String -> IO () -setOptLevel "" = do { writeIORef v_OptLevel 1 } -setOptLevel "not" = writeIORef v_OptLevel 0 -setOptLevel [c] | isDigit c = do - let level = ord c - ord '0' - writeIORef v_OptLevel level -setOptLevel s = unknownFlagErr ("-O"++s) +setOptLevel :: Int -> IO () +setOptLevel n = do + when (n >= 1) $ setLang HscC -- turn on -fvia-C with -O + writeIORef v_OptLevel n GLOBAL_VAR(v_minus_o2_for_C, False, Bool) GLOBAL_VAR(v_MaxSimplifierIterations, 4, Int) GLOBAL_VAR(v_StgStats, False, Bool) GLOBAL_VAR(v_UsageSPInf, False, Bool) -- Off by default GLOBAL_VAR(v_Strictness, True, Bool) -GLOBAL_VAR(v_CPR, True, Bool) GLOBAL_VAR(v_CSE, True, Bool) +GLOBAL_VAR(v_RuleCheck, Nothing, Maybe String) -- these are the static flags you get without -O. hsc_minusNoO_flags = @@ -183,82 +232,94 @@ buildCoreToDo = do max_iter <- readIORef v_MaxSimplifierIterations usageSP <- readIORef v_UsageSPInf strictness <- readIORef v_Strictness - cpr <- readIORef v_CPR cse <- readIORef v_CSE + rule_check <- readIORef v_RuleCheck if opt_level == 0 then return [ - CoreDoSimplify (isAmongSimpl [ + CoreDoSimplify (SimplPhase 0) [ MaxSimplifierIterations max_iter - ]) + ] ] else {- opt_level >= 1 -} return [ -- initial simplify: mk specialiser happy: minimum effort please - CoreDoSimplify (isAmongSimpl [ - SimplInlinePhase 0, + CoreDoSimplify SimplGently [ + -- Simplify "gently" -- Don't inline anything till full laziness has bitten -- In particular, inlining wrappers inhibits floating -- e.g. ...(case f x of ...)... -- ==> ...(case (case x of I# x# -> fw x#) of ...)... -- ==> ...(case x of I# x# -> case fw x# of ...)... -- and now the redex (f x) isn't floatable any more - DontApplyRules, -- Similarly, don't apply any rules until after full -- laziness. Notably, list fusion can prevent floating. + NoCaseOfCase, -- Don't do case-of-case transformations. -- This makes full laziness work better MaxSimplifierIterations max_iter - ]), + ], -- Specialisation is best done before full laziness -- so that overloaded functions have all their dictionary lambdas manifest CoreDoSpecialising, - CoreDoFloatOutwards False{-not full-}, + CoreDoFloatOutwards (FloatOutSw False False), CoreDoFloatInwards, - CoreDoSimplify (isAmongSimpl [ - SimplInlinePhase 1, - -- Want to run with inline phase 1 after the specialiser to give + CoreDoSimplify (SimplPhase 2) [ + -- Want to run with inline phase 2 after the specialiser to give -- maximum chance for fusion to work before we inline build/augment - -- in phase 2. This made a difference in 'ansi' where an + -- in phase 1. This made a difference in 'ansi' where an -- overloaded function wasn't inlined till too late. MaxSimplifierIterations max_iter - ]), + ], + case rule_check of { Just pat -> CoreDoRuleCheck 2 pat; Nothing -> CoreDoNothing }, -- infer usage information here in case we need it later. -- (add more of these where you need them --KSW 1999-04) if usageSP then CoreDoUSPInf else CoreDoNothing, - CoreDoSimplify (isAmongSimpl [ + CoreDoSimplify (SimplPhase 1) [ -- Need inline-phase2 here so that build/augment get -- inlined. I found that spectral/hartel/genfft lost some useful -- strictness in the function sumcode' if augment is not inlined -- before strictness analysis runs - SimplInlinePhase 2, MaxSimplifierIterations max_iter - ]), + ], + case rule_check of { Just pat -> CoreDoRuleCheck 1 pat; Nothing -> CoreDoNothing }, - CoreDoSimplify (isAmongSimpl [ - MaxSimplifierIterations 2 - -- No -finline-phase: allow all Ids to be inlined now + CoreDoSimplify (SimplPhase 0) [ + -- Phase 0: allow all Ids to be inlined now -- This gets foldr inlined before strictness analysis - ]), - if cpr then CoreDoCPResult else CoreDoNothing, + MaxSimplifierIterations 3 + -- At least 3 iterations because otherwise we land up with + -- huge dead expressions because of an infelicity in the + -- simpifier. + -- let k = BIG in foldr k z xs + -- ==> let k = BIG in letrec go = \xs -> ...(k x).... in go xs + -- ==> let k = BIG in letrec go = \xs -> ...(BIG x).... in go xs + -- Don't stop now! + + ], + case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing }, + +#ifdef OLD_STRICTNESS + CoreDoOldStrictness +#endif if strictness then CoreDoStrictness else CoreDoNothing, CoreDoWorkerWrapper, CoreDoGlomBinds, - CoreDoSimplify (isAmongSimpl [ + CoreDoSimplify (SimplPhase 0) [ MaxSimplifierIterations max_iter - -- No -finline-phase: allow all Ids to be inlined now - ]), + ], - CoreDoFloatOutwards False{-not full-}, + CoreDoFloatOutwards (FloatOutSw False -- Not lambdas + True), -- Float constants -- nofib/spectral/hartel/wang doubles in speed if you -- do full laziness late in the day. It only happens -- after fusion and other stuff, so the early pass doesn't @@ -266,13 +327,6 @@ buildCoreToDo = do -- f_el22 (f_el21 r_midblock) --- Leave out lambda lifting for now --- "-fsimplify", -- Tidy up results of full laziness --- "[", --- "-fmax-simplifier-iterations2", --- "]", --- "-ffloat-outwards-full", - -- We want CSE to follow the final full-laziness pass, because it may -- succeed in commoning up things floated out by full laziness. -- CSE used to rely on the no-shadowing invariant, but it doesn't any more @@ -284,6 +338,8 @@ buildCoreToDo = do -- Case-liberation for -O2. This should be after -- strictness analysis and the simplification which follows it. + case rule_check of { Just pat -> CoreDoRuleCheck 0 pat; Nothing -> CoreDoNothing }, + if opt_level >= 2 then CoreLiberateCase else @@ -294,10 +350,9 @@ buildCoreToDo = do CoreDoNothing, -- Final clean-up simplification: - CoreDoSimplify (isAmongSimpl [ + CoreDoSimplify (SimplPhase 0) [ MaxSimplifierIterations max_iter - -- No -finline-phase: allow all Ids to be inlined now - ]) + ] ] buildStgToDo :: IO [ StgToDo ] @@ -325,12 +380,20 @@ GLOBAL_VAR(v_Library_paths, [], [String]) GLOBAL_VAR(v_Cmdline_libraries, [], [String]) +#ifdef darwin_TARGET_OS +GLOBAL_VAR(v_Framework_paths, [], [String]) +GLOBAL_VAR(v_Cmdline_frameworks, [], [String]) +#endif + addToDirList :: IORef [String] -> String -> IO () addToDirList ref path = do paths <- readIORef ref shiny_new_ones <- splitUp path - writeIORef ref (paths ++ shiny_new_ones) - + writeIORef ref (paths ++ filter notNull shiny_new_ones) + -- empty paths are ignored: there might be a trailing + -- ':' in the initial list, for example. Empty paths can + -- cause confusion when they are translated into -I options + -- for passing to gcc. where splitUp ::String -> IO [String] #ifdef mingw32_TARGET_OS @@ -394,7 +457,21 @@ GLOBAL_VAR(v_HCHeader, "", String) -- Packages -- package list is maintained in dependency order -GLOBAL_VAR(v_Packages, ("std":"rts":"gmp":[]), [String]) +GLOBAL_VAR(v_Packages, ("haskell98":"base":"rts":[]), [String]) + +readPackageConf :: String -> IO () +readPackageConf conf_file = do + proto_pkg_details <- loadPackageConfig conf_file + top_dir <- getTopDir + let pkg_details = mungePackagePaths top_dir proto_pkg_details + old_pkg_details <- readIORef v_Package_details + + let -- new package override old ones + new_pkg_names = map name pkg_details + filtered_old_pkg_details = + filter (\p -> name p `notElem` new_pkg_names) old_pkg_details + + writeIORef v_Package_details (pkg_details ++ filtered_old_pkg_details) addPackage :: String -> IO () addPackage package @@ -411,23 +488,23 @@ addPackage package getPackageImportPath :: IO [String] getPackageImportPath = do ps <- getPackageInfo - return (nub (filter (not.null) (concatMap import_dirs ps))) + return (nub (filter notNull (concatMap import_dirs ps))) getPackageIncludePath :: IO [String] getPackageIncludePath = do ps <- getPackageInfo - return (nub (filter (not.null) (concatMap include_dirs ps))) + return (nub (filter notNull (concatMap include_dirs ps))) -- includes are in reverse dependency order (i.e. rts first) getPackageCIncludes :: IO [String] getPackageCIncludes = do ps <- getPackageInfo - return (reverse (nub (filter (not.null) (concatMap c_includes ps)))) + return (reverse (nub (filter notNull (concatMap c_includes ps)))) getPackageLibraryPath :: IO [String] getPackageLibraryPath = do ps <- getPackageInfo - return (nub (filter (not.null) (concatMap library_dirs ps))) + return (nub (filter notNull (concatMap library_dirs ps))) getPackageLibraries :: IO [String] getPackageLibraries = do @@ -440,23 +517,32 @@ getPackageLibraries = do where -- This is a totally horrible (temporary) hack, for Win32. Problem is -- that package.conf for Win32 says that the main prelude lib is - -- split into HSstd1 and HSstd2, which is needed due to limitations in - -- the PEi386 file format, to make GHCi work. However, we still only - -- have HSstd.a for static linking, not HSstd1.a and HSstd2.a. + -- split into HSbase1, HSbase2 and HSbase3, which is needed due to a bug + -- in the GNU linker (PEi386 backend). However, we still only + -- have HSbase.a for static linking, not HSbase{1,2,3}.a -- getPackageLibraries is called to find the .a's to add to the static - -- link line. On Win32, this hACK detects HSstd1 and HSstd2 and - -- replaces them with HSstd, so static linking still works. + -- link line. On Win32, this hACK detects HSbase{1,2,3} and + -- replaces them with HSbase, so static linking still works. -- Libraries needed for dynamic (GHCi) linking are discovered via -- different route (in InteractiveUI.linkPackage). - -- See driver/PackageSrc.hs for the HSstd1/HSstd2 split definition. + -- See driver/PackageSrc.hs for the HSbase1/HSbase2 split definition. -- THIS IS A STRICTLY TEMPORARY HACK (famous last words ...) + -- JRS 04 Sept 01: Same appalling hack for HSwin32[1,2] + -- KAA 29 Mar 02: Same appalling hack for HSobjectio[1,2,3,4] hACK libs -# ifndef mingw32_TARGET_OS +# if !defined(mingw32_TARGET_OS) && !defined(cygwin32_TARGET_OS) = libs # else - = if "HSstd1" `elem` libs && "HSstd2" `elem` libs - then "HSstd" : filter ((/= "HSstd").(take 5)) libs - else libs + = if "HSbase1" `elem` libs && "HSbase2" `elem` libs && "HSbase3" `elem` libs + then "HSbase" : filter (not.(isPrefixOf "HSbase")) libs + else + if "HSwin321" `elem` libs && "HSwin322" `elem` libs + then "HSwin32" : filter (not.(isPrefixOf "HSwin32")) libs + else + if "HSobjectio1" `elem` libs && "HSobjectio2" `elem` libs && "HSobjectio3" `elem` libs && "HSobjectio4" `elem` libs + then "HSobjectio" : filter (not.(isPrefixOf "HSobjectio")) libs + else + libs # endif getPackageExtraGhcOpts :: IO [String] @@ -474,6 +560,18 @@ getPackageExtraLdOpts = do ps <- getPackageInfo return (concatMap extra_ld_opts ps) +#ifdef darwin_TARGET_OS +getPackageFrameworkPath :: IO [String] +getPackageFrameworkPath = do + ps <- getPackageInfo + return (nub (filter notNull (concatMap framework_dirs ps))) + +getPackageFrameworks :: IO [String] +getPackageFrameworks = do + ps <- getPackageInfo + return (concatMap extra_frameworks ps) +#endif + getPackageInfo :: IO [PackageConfig] getPackageInfo = do ps <- readIORef v_Packages @@ -484,7 +582,7 @@ getPackageDetails ps = do pkg_details <- readIORef v_Package_details return [ pkg | p <- ps, Just pkg <- [ lookupPkg p pkg_details ] ] -GLOBAL_VAR(v_Package_details, (error "package_details"), [PackageConfig]) +GLOBAL_VAR(v_Package_details, [], [PackageConfig]) lookupPkg :: String -> [PackageConfig] -> Maybe PackageConfig lookupPkg nm ps @@ -517,6 +615,7 @@ data WayName | WayPar | WayGran | WaySMP + | WayNDP | WayDebug | WayUser_a | WayUser_b @@ -542,7 +641,9 @@ GLOBAL_VAR(v_Ways, [] ,[WayName]) allowed_combination way = way `elem` combs where -- the sub-lists must be ordered according to WayName, -- because findBuildTag sorts them - combs = [ [WayProf,WayUnreg], [WayProf,WaySMP] ] + combs = [ [WayProf, WayUnreg], + [WayProf, WaySMP] , + [WayProf, WayNDP] ] findBuildTag :: IO [String] -- new options findBuildTag = do @@ -647,6 +748,10 @@ way_details = , "-optc-DSMP" , "-fvia-C" ]), + (WayNDP, Way "ndp" "Nested data parallelism" + [ "-fparr" + , "-fflatten"]), + (WayUser_a, Way "a" "User way 'a'" ["$WAY_a_REAL_OPTS"]), (WayUser_b, Way "b" "User way 'b'" ["$WAY_b_REAL_OPTS"]), (WayUser_c, Way "c" "User way 'c'" ["$WAY_c_REAL_OPTS"]), @@ -674,7 +779,7 @@ unregFlags = , "-fvia-C" ] ----------------------------------------------------------------------------- --- Programs for particular phases +-- Options for particular phases GLOBAL_VAR(v_Opt_dep, [], [String]) GLOBAL_VAR(v_Anti_opt_C, [], [String])