#include "HsVersions.h"
+#ifndef OMIT_NATIVE_CODEGEN
import Platform
+#endif
import Module
import PackageConfig
import PrelNames ( mAIN, main_RDR_Unqual )
import RdrName ( RdrName, mkRdrUnqual )
import OccName ( mkVarOccFS )
-#ifdef i386_TARGET_ARCH
+#if defined(i386_TARGET_ARCH) || (!defined(mingw32_TARGET_OS) && !defined(darwin_TARGET_OS))
import StaticFlags ( opt_Static )
#endif
import StaticFlags ( opt_PIC, WayName(..), v_Ways, v_Build_tag,
specConstrCount :: Maybe Int, -- ^ Max number of specialisations for any one function
liberateCaseThreshold :: Maybe Int, -- ^ Threshold for LiberateCase
+#ifndef OMIT_NATIVE_CODEGEN
targetPlatform :: Platform, -- ^ The platform we're compiling for. Used by the NCG.
+#endif
stolen_x86_regs :: Int,
cmdlineHcIncludes :: [String], -- ^ @\-\#includes@
importPaths :: [FilePath],
specConstrThreshold = Just 200,
specConstrCount = Just 3,
liberateCaseThreshold = Just 200,
+#ifndef OMIT_NATIVE_CODEGEN
targetPlatform = defaultTargetPlatform,
+#endif
stolen_x86_regs = 4,
cmdlineHcIncludes = [],
importPaths = ["."],
outputFile = Nothing,
outputHi = Nothing,
- dynLibLoader = Deployable,
+ dynLibLoader = SystemDependent,
dumpPrefix = Nothing,
dumpPrefixForce = Nothing,
includePaths = [],
pp_not False = text "not"
-- | Switches that specify the minimum amount of floating out
-gentleFloatOutSwitches :: FloatOutSwitches
-gentleFloatOutSwitches = FloatOutSwitches False False
+-- gentleFloatOutSwitches :: FloatOutSwitches
+-- gentleFloatOutSwitches = FloatOutSwitches False False
-- | Switches that do not specify floating out of lambdas, just of constants
constantsOnlyFloatOutSwitches :: FloatOutSwitches
-- so that overloaded functions have all their dictionary lambdas manifest
CoreDoSpecialising,
- runWhen full_laziness (CoreDoFloatOutwards gentleFloatOutSwitches),
+ runWhen full_laziness (CoreDoFloatOutwards constantsOnlyFloatOutSwitches),
+ -- Was: gentleFloatOutSwitches
+ -- I have no idea why, but not floating constants to top level is
+ -- very bad in some cases.
+ -- Notably: p_ident in spectral/rewrite
+ -- Changing from "gentle" to "constantsOnly" improved
+ -- rewrite's allocation by 19%, and made 0.0% difference
+ -- to any other nofib benchmark
CoreDoFloatInwards,
-- be completely rigid for GADTs
, (Opt_TypeFamilies, Opt_RelaxedPolyRec) -- Trac #2944 gives a nice example
+ , (Opt_TypeFamilies, Opt_KindSignatures) -- Type families use kind signatures
+ -- all over the place
, (Opt_ScopedTypeVariables, Opt_RelaxedPolyRec) -- Ditto for scoped type variables; see
-- Note [Scoped tyvars] in TcBinds
-- sometimes
-- -fdicts-cheap always inline dictionaries
-- -fmax-simplifier-iterations20 this is necessary sometimes
+-- -fsimplifier-phases=3 we use an additional simplifier phase
+-- for fusion
-- -fno-spec-constr-threshold run SpecConstr even for big loops
-- -fno-spec-constr-count SpecConstr as much as possible
-- -finline-enough-args hack to prevent excessive inlining
--
setDPHOpt :: DynFlags -> DynFlags
setDPHOpt dflags = setOptLevel 2 (dflags { maxSimplIterations = 20
+ , simplPhases = 3
, specConstrThreshold = Nothing
, specConstrCount = Nothing
})
= ( [], ["-fomit-frame-pointer", "-G0"] )
#elif x86_64_TARGET_ARCH
- = ( [], ["-fomit-frame-pointer",
+ = (
+#if darwin_TARGET_OS
+ ["-m64"],
+#else
+ [],
+#endif
+ ["-fomit-frame-pointer",
"-fno-asynchronous-unwind-tables",
-- the unwind tables are unnecessary for HC code,
-- and get in the way of -split-objs. Another option
| otherwise
= []
#else
- | opt_PIC
+ | opt_PIC || not opt_Static
= ["-fPIC", "-U __PIC__", "-D__PIC__"]
| otherwise
= []