-----------------------------------------------------------------------------
--- $Id: DriverState.hs,v 1.91 2003/06/12 16:50:19 simonpj Exp $
+-- $Id: DriverState.hs,v 1.100 2004/02/25 11:31:24 simonmar Exp $
--
-- Settings for the driver
--
| DoMake -- ghc --make
| DoInteractive -- ghc --interactive
| DoLink -- [ the default ]
+ | DoEval String -- ghc -e
deriving (Eq,Show)
GLOBAL_VAR(v_GhcMode, DoLink, GhcMode)
GLOBAL_VAR(v_Static, True, Bool)
GLOBAL_VAR(v_NoLink, False, Bool)
GLOBAL_VAR(v_NoHsMain, False, Bool)
+GLOBAL_VAR(v_MainModIs, Nothing, Maybe String)
+GLOBAL_VAR(v_MainFunIs, Nothing, Maybe String)
GLOBAL_VAR(v_Recomp, True, Bool)
GLOBAL_VAR(v_Collect_ghc_timing, False, Bool)
GLOBAL_VAR(v_Do_asm_mangling, True, Bool)
osuf <- readIORef v_Object_suf
return (replaceFilenameSuffix f osuf)
------------------------------------------------------------------------------
--- Compiler optimisation options
-
-GLOBAL_VAR(v_OptLevel, 0, Int)
-
-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_Strictness, 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 =
- [
- "-fignore-interface-pragmas",
- "-fomit-interface-pragmas",
- "-fdo-lambda-eta-expansion", -- This one is important for a tiresome reason:
- -- we want to make sure that the bindings for data
- -- constructors are eta-expanded. This is probably
- -- a good thing anyway, but it seems fragile.
- "-flet-no-escape"
- ]
-
--- these are the static flags you get when -O is on.
-hsc_minusO_flags =
- [
- "-fignore-asserts",
- "-ffoldr-build-on",
- "-fdo-eta-reduction",
- "-fdo-lambda-eta-expansion",
- "-fcase-merge",
- "-flet-to-case",
- "-flet-no-escape"
- ]
-
-hsc_minusO2_flags = hsc_minusO_flags -- for now
-
-getStaticOptimisationFlags 0 = hsc_minusNoO_flags
-getStaticOptimisationFlags 1 = hsc_minusO_flags
-getStaticOptimisationFlags n = hsc_minusO2_flags
-
-buildCoreToDo :: IO [CoreToDo]
-buildCoreToDo = do
- opt_level <- readIORef v_OptLevel
- max_iter <- readIORef v_MaxSimplifierIterations
- strictness <- readIORef v_Strictness
- cse <- readIORef v_CSE
- rule_check <- readIORef v_RuleCheck
-
- if opt_level == 0 then return
- [
- CoreDoSimplify (SimplPhase 0) [
- MaxSimplifierIterations max_iter
- ]
- ]
-
- else {- opt_level >= 1 -} return [
-
- -- initial simplify: mk specialiser happy: minimum effort please
- 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
- -- 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 (FloatOutSw False False),
- CoreDoFloatInwards,
-
- 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 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 },
-
- 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
- MaxSimplifierIterations max_iter
- ],
- case rule_check of { Just pat -> CoreDoRuleCheck 1 pat; Nothing -> CoreDoNothing },
-
- CoreDoSimplify (SimplPhase 0) [
- -- Phase 0: allow all Ids to be inlined now
- -- This gets foldr inlined before strictness analysis
-
- 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 (SimplPhase 0) [
- MaxSimplifierIterations max_iter
- ],
-
- 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
- -- catch it. For the record, the redex is
- -- f_el22 (f_el21 r_midblock)
-
-
- -- 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
-
- if cse then CoreCSE else CoreDoNothing,
-
- CoreDoFloatInwards,
-
--- 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
- CoreDoNothing,
- if opt_level >= 2 then
- CoreDoSpecConstr
- else
- CoreDoNothing,
-
- -- Final clean-up simplification:
- CoreDoSimplify (SimplPhase 0) [
- MaxSimplifierIterations max_iter
- ]
- ]
buildStgToDo :: IO [ StgToDo ]
buildStgToDo = do
munge_paths = map munge_path
munge_path p
- | Just p' <- my_prefix_match "$libdir" p = top_dir ++ p'
- | otherwise = p
+ | Just p' <- maybePrefixMatch "$libdir" p = top_dir ++ p'
+ | otherwise = p
-- -----------------------------------------------------------------------------
getPackageLinkOpts pkgs = do
ps <- getExplicitPackagesAnd pkgs
tag <- readIORef v_Build_tag
+ rts_tag <- readIORef v_RTS_Build_tag
static <- readIORef v_Static
let
imp = if static then "" else "_imp"
- suffix = if null tag then "" else '_':tag
- libs p = map (++suffix) (hACK (hs_libraries p)) ++ extra_libraries p
+ libs p = map addSuffix (hACK (hs_libraries p)) ++ extra_libraries p
imp_libs p = map (++imp) (libs p)
all_opts p = map ("-l" ++) (imp_libs p) ++ extra_ld_opts p
+ suffix = if null tag then "" else '_':tag
+ rts_suffix = if null rts_tag then "" else '_':rts_tag
+
+ addSuffix rts@"HSrts" = rts ++ rts_suffix
+ addSuffix other_lib = other_lib ++ suffix
+
return (concat (map all_opts ps))
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 HSbase1, HSbase2 and HSbase3, which is needed due to a bug
GLOBAL_VAR(v_Build_tag, "", String)
+-- The RTS has its own build tag, because there are some ways that
+-- affect the RTS only.
+GLOBAL_VAR(v_RTS_Build_tag, "", String)
+
data WayName
- = WayProf
+ = WayThreaded
+ | WayDebug
+ | WayProf
| WayUnreg
| WayTicky
| WayPar
| WayGran
| WaySMP
| WayNDP
- | WayDebug
| WayUser_a
| WayUser_b
| WayUser_c
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] ,
- [WayProf, WayNDP] ]
+allowed_combination way = and [ x `allowedWith` y
+ | x <- way, y <- way, x < y ]
+ where
+ -- Note ordering in these tests: the left argument is
+ -- <= the right argument, according to the Ord instance
+ -- on Way above.
+
+ -- debug is allowed with everything
+ _ `allowedWith` WayDebug = True
+ WayDebug `allowedWith` _ = True
+
+ WayThreaded `allowedWith` WayProf = True
+ WayProf `allowedWith` WayUnreg = True
+ WayProf `allowedWith` WaySMP = True
+ WayProf `allowedWith` WayNDP = True
+ _ `allowedWith` _ = False
+
findBuildTag :: IO [String] -- new options
findBuildTag = do
way_names <- readIORef v_Ways
- case sort way_names of
- [] -> do -- writeIORef v_Build_tag ""
- return []
-
- [w] -> do let details = lkupWay w
- writeIORef v_Build_tag (wayTag details)
- return (wayOpts details)
-
- ws -> if not (allowed_combination ws)
- then throwDyn (CmdLineError $
- "combination not supported: " ++
- foldr1 (\a b -> a ++ '/':b)
- (map (wayName . lkupWay) ws))
- else let stuff = map lkupWay ws
- tag = concat (map wayTag stuff)
- flags = map wayOpts stuff
- in do
- writeIORef v_Build_tag tag
- return (concat flags)
+ let ws = sort way_names
+ if not (allowed_combination ws)
+ then throwDyn (CmdLineError $
+ "combination not supported: " ++
+ foldr1 (\a b -> a ++ '/':b)
+ (map (wayName . lkupWay) ws))
+ else let ways = map lkupWay ws
+ tag = mkBuildTag (filter (not.wayRTSOnly) ways)
+ rts_tag = mkBuildTag ways
+ flags = map wayOpts ways
+ in do
+ writeIORef v_Build_tag tag
+ writeIORef v_RTS_Build_tag rts_tag
+ return (concat flags)
+
+mkBuildTag :: [Way] -> String
+mkBuildTag ways = concat (intersperse "_" (map wayTag ways))
lkupWay w =
case lookup w way_details of
Just details -> details
data Way = Way {
- wayTag :: String,
- wayName :: String,
- wayOpts :: [String]
+ wayTag :: String,
+ wayRTSOnly :: Bool,
+ wayName :: String,
+ wayOpts :: [String]
}
way_details :: [ (WayName, Way) ]
way_details =
- [ (WayProf, Way "p" "Profiling"
+ [ (WayThreaded, Way "thr" True "Threaded" [
+#if defined(freebsd_TARGET_OS)
+ , "-optc-pthread"
+#endif
+ ] ),
+
+ (WayDebug, Way "debug" True "Debug" [] ),
+
+ (WayProf, Way "p" False "Profiling"
[ "-fscc-profiling"
, "-DPROFILING"
, "-optc-DPROFILING"
, "-fvia-C" ]),
- (WayTicky, Way "t" "Ticky-ticky Profiling"
+ (WayTicky, Way "t" False "Ticky-ticky Profiling"
[ "-fticky-ticky"
, "-DTICKY_TICKY"
, "-optc-DTICKY_TICKY"
, "-fvia-C" ]),
- (WayUnreg, Way "u" "Unregisterised"
+ (WayUnreg, Way "u" False "Unregisterised"
unregFlags ),
-- optl's below to tell linker where to find the PVM library -- HWL
- (WayPar, Way "mp" "Parallel"
+ (WayPar, Way "mp" False "Parallel"
[ "-fparallel"
, "-D__PARALLEL_HASKELL__"
, "-optc-DPAR"
, "-fvia-C" ]),
-- at the moment we only change the RTS and could share compiler and libs!
- (WayPar, Way "mt" "Parallel ticky profiling"
+ (WayPar, Way "mt" False "Parallel ticky profiling"
[ "-fparallel"
, "-D__PARALLEL_HASKELL__"
, "-optc-DPAR"
, "-optl-lgpvm3"
, "-fvia-C" ]),
- (WayPar, Way "md" "Distributed"
+ (WayPar, Way "md" False "Distributed"
[ "-fparallel"
, "-D__PARALLEL_HASKELL__"
, "-D__DISTRIBUTED_HASKELL__"
, "-optl-lgpvm3"
, "-fvia-C" ]),
- (WayGran, Way "mg" "GranSim"
+ (WayGran, Way "mg" False "GranSim"
[ "-fgransim"
, "-D__GRANSIM__"
, "-optc-DGRAN"
, "-package concurrent"
, "-fvia-C" ]),
- (WaySMP, Way "s" "SMP"
+ (WaySMP, Way "s" False "SMP"
[ "-fsmp"
, "-optc-pthread"
+#ifndef freebsd_TARGET_OS
, "-optl-pthread"
+#endif
, "-optc-DSMP"
, "-fvia-C" ]),
- (WayNDP, Way "ndp" "Nested data parallelism"
+ (WayNDP, Way "ndp" False "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'" ["$WAY_c_REAL_OPTS"]),
- (WayUser_d, Way "d" "User way 'd'" ["$WAY_d_REAL_OPTS"]),
- (WayUser_e, Way "e" "User way 'e'" ["$WAY_e_REAL_OPTS"]),
- (WayUser_f, Way "f" "User way 'f'" ["$WAY_f_REAL_OPTS"]),
- (WayUser_g, Way "g" "User way 'g'" ["$WAY_g_REAL_OPTS"]),
- (WayUser_h, Way "h" "User way 'h'" ["$WAY_h_REAL_OPTS"]),
- (WayUser_i, Way "i" "User way 'i'" ["$WAY_i_REAL_OPTS"]),
- (WayUser_j, Way "j" "User way 'j'" ["$WAY_j_REAL_OPTS"]),
- (WayUser_k, Way "k" "User way 'k'" ["$WAY_k_REAL_OPTS"]),
- (WayUser_l, Way "l" "User way 'l'" ["$WAY_l_REAL_OPTS"]),
- (WayUser_m, Way "m" "User way 'm'" ["$WAY_m_REAL_OPTS"]),
- (WayUser_n, Way "n" "User way 'n'" ["$WAY_n_REAL_OPTS"]),
- (WayUser_o, Way "o" "User way 'o'" ["$WAY_o_REAL_OPTS"]),
- (WayUser_A, Way "A" "User way 'A'" ["$WAY_A_REAL_OPTS"]),
- (WayUser_B, Way "B" "User way 'B'" ["$WAY_B_REAL_OPTS"])
+ (WayUser_a, Way "a" False "User way 'a'" ["$WAY_a_REAL_OPTS"]),
+ (WayUser_b, Way "b" False "User way 'b'" ["$WAY_b_REAL_OPTS"]),
+ (WayUser_c, Way "c" False "User way 'c'" ["$WAY_c_REAL_OPTS"]),
+ (WayUser_d, Way "d" False "User way 'd'" ["$WAY_d_REAL_OPTS"]),
+ (WayUser_e, Way "e" False "User way 'e'" ["$WAY_e_REAL_OPTS"]),
+ (WayUser_f, Way "f" False "User way 'f'" ["$WAY_f_REAL_OPTS"]),
+ (WayUser_g, Way "g" False "User way 'g'" ["$WAY_g_REAL_OPTS"]),
+ (WayUser_h, Way "h" False "User way 'h'" ["$WAY_h_REAL_OPTS"]),
+ (WayUser_i, Way "i" False "User way 'i'" ["$WAY_i_REAL_OPTS"]),
+ (WayUser_j, Way "j" False "User way 'j'" ["$WAY_j_REAL_OPTS"]),
+ (WayUser_k, Way "k" False "User way 'k'" ["$WAY_k_REAL_OPTS"]),
+ (WayUser_l, Way "l" False "User way 'l'" ["$WAY_l_REAL_OPTS"]),
+ (WayUser_m, Way "m" False "User way 'm'" ["$WAY_m_REAL_OPTS"]),
+ (WayUser_n, Way "n" False "User way 'n'" ["$WAY_n_REAL_OPTS"]),
+ (WayUser_o, Way "o" False "User way 'o'" ["$WAY_o_REAL_OPTS"]),
+ (WayUser_A, Way "A" False "User way 'A'" ["$WAY_A_REAL_OPTS"]),
+ (WayUser_B, Way "B" False "User way 'B'" ["$WAY_B_REAL_OPTS"])
]
unregFlags =