massive changes to add a 'zipper' representation of C--

[ghc-hetmet.git] / compiler / codeGen / CodeGen.lhs

diff --git a/compiler/codeGen/CodeGen.lhs b/compiler/codeGen/CodeGen.lhs
index 3aa75c0..a53ff49 100644 (file)
--- a/compiler/codeGen/CodeGen.lhs
+++ b/compiler/codeGen/CodeGen.lhs
@@ -11,11 +11,11 @@ This module says how things get going at the top level.
 functions drive the mangling of top-level bindings.
 
 \begin{code}
-{-# OPTIONS_GHC -w #-}
+{-# OPTIONS -w #-}
 -- The above warning supression flag is a temporary kludge.
 -- While working on this module you are encouraged to remove it and fix
 -- any warnings in the module. See
---     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
 -- for details
 
 module CodeGen ( codeGen ) where
@@ -70,6 +70,10 @@ codeGen :: DynFlags
        -> HpcInfo
        -> IO [Cmm]             -- Output
 
+                -- N.B. returning '[Cmm]' and not 'Cmm' here makes it
+                -- possible for object splitting to split up the
+                -- pieces later.
+
 codeGen dflags this_mod data_tycons imported_mods 
        cost_centre_info stg_binds hpc_info
   = do