[project @ 2000-12-08 10:26:41 by simonmar]

add -fno-{cse,cpr,strictness} flags.

diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs
index db254e5..4bd5129 100644 (file)
--- a/ghc/compiler/main/DriverFlags.hs
+++ b/ghc/compiler/main/DriverFlags.hs
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------------
--- $Id: DriverFlags.hs,v 1.28 2000/12/06 13:03:29 simonmar Exp $
+-- $Id: DriverFlags.hs,v 1.29 2000/12/08 10:26:41 simonmar Exp $
 --
 -- Driver flags
 --
@@ -439,6 +439,13 @@ dynamic_flags = [
   ,  ( "fglasgow-exts", NoArg (setDynFlag Opt_GlasgowExts) )
   ,  ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) )
 
+       -- Optimisation flags are treated specially, so the normal
+       -- -fno-* pattern below doesn't work.  We therefore allow
+       -- certain optimisation passes to be turned off explicitly:
+  ,  ( "fno-strictness"           , NoArg (writeIORef v_Strictness False) )
+  ,  ( "fno-cpr"          , NoArg (writeIORef v_CPR False) )
+  ,  ( "fno-cse"          , NoArg (writeIORef v_CSE False) )
+
   ,  ( "fallow-overlapping-instances", 
                NoArg (setDynFlag Opt_AllowOverlappingInstances) )