Add bang patterns

[ghc-hetmet.git] / ghc / compiler / main / DynFlags.hs

diff --git a/ghc/compiler/main/DynFlags.hs b/ghc/compiler/main/DynFlags.hs
index a7f02bf..9d279d6 100644 (file)
--- a/ghc/compiler/main/DynFlags.hs
+++ b/ghc/compiler/main/DynFlags.hs
@@ -152,6 +152,7 @@ data DynFlag
    | Opt_Generics
    | Opt_ImplicitPrelude 
    | Opt_ScopedTypeVariables
+   | Opt_BangPatterns
 
    -- optimisation opts
    | Opt_Strictness
@@ -891,7 +892,7 @@ dynamic_flags = [
   ,  ( "dverbose-stg2stg",       setDumpFlag Opt_D_verbose_stg2stg)
   ,  ( "ddump-hi-diffs",         NoArg (setDynFlag Opt_D_dump_hi_diffs))
   ,  ( "ddump-hi",               setDumpFlag Opt_D_dump_hi)
-  ,  ( "ddump-minimal-imports",  setDumpFlag Opt_D_dump_minimal_imports)
+  ,  ( "ddump-minimal-imports",  NoArg (setDynFlag Opt_D_dump_minimal_imports))
   ,  ( "ddump-vect",            setDumpFlag Opt_D_dump_vect)
   ,  ( "dcore-lint",            NoArg (setDynFlag Opt_DoCoreLinting))
   ,  ( "dstg-lint",             NoArg (setDynFlag Opt_DoStgLinting))
@@ -968,6 +969,7 @@ fFlags = [
   ( "th",                              Opt_TH ),
   ( "implicit-prelude",                Opt_ImplicitPrelude ),
   ( "scoped-type-variables",           Opt_ScopedTypeVariables ),
+  ( "bang-patterns",                   Opt_BangPatterns ),
   ( "monomorphism-restriction",                Opt_MonomorphismRestriction ),
   ( "implicit-params",                 Opt_ImplicitParams ),
   ( "allow-overlapping-instances",     Opt_AllowOverlappingInstances ),
@@ -993,7 +995,8 @@ glasgowExtsFlags = [
   Opt_FFI, 
   Opt_TH, 
   Opt_ImplicitParams, 
-  Opt_ScopedTypeVariables ]
+  Opt_ScopedTypeVariables,
+  Opt_BangPatterns ]
 
 isFFlag f = f `elem` (map fst fFlags)
 getFFlag f = fromJust (lookup f fFlags)
@@ -1246,11 +1249,16 @@ machdepCCOpts dflags
 
 #elif x86_64_TARGET_ARCH
        = ( [], ["-fomit-frame-pointer",
-                "-fno-asynchronous-unwind-tables"
+                "-fno-asynchronous-unwind-tables",
                        -- the unwind tables are unnecessary for HC code,
                        -- and get in the way of -split-objs.  Another option
                        -- would be to throw them away in the mangler, but this
                        -- is easier.
+                "-fno-unit-at-a-time"
+                       -- unit-at-a-time doesn't do us any good, and screws
+                       -- up -split-objs by moving the split markers around.
+                       -- It's only turned on with -O2, but put it here just
+                       -- in case someone uses -optc-O2.
                ] )
 
 #elif mips_TARGET_ARCH