Don't import FastString in HsVersions.h

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

diff --git a/compiler/codeGen/SMRep.lhs b/compiler/codeGen/SMRep.lhs
index a96bc88..1845c44 100644 (file)
--- a/compiler/codeGen/SMRep.lhs
+++ b/compiler/codeGen/SMRep.lhs
@@ -9,11 +9,11 @@ This is here, rather than in ClosureInfo, just to keep nhc happy.
 Other modules should access this info through ClosureInfo.
 
 \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 SMRep (
@@ -53,6 +53,7 @@ import MachOp
 import StaticFlags
 import Constants
 import Outputable
+import FastString
 
 import Data.Word
 \end{code}
@@ -119,8 +120,10 @@ entry to the garbage collector.
 \begin{code}
 data CgRep 
   = VoidArg    -- Void
-  | PtrArg     -- Word-sized Ptr
+  | PtrArg     -- Word-sized heap pointer, followed
+               -- by the garbage collector
   | NonPtrArg  -- Word-sized non-pointer
+               -- (including addresses not followed by GC)
   | LongArg    -- 64-bit non-pointer
   | FloatArg   -- 32-bit float
   | DoubleArg  -- 64-bit float