X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=compiler%2FcodeGen%2FSMRep.lhs;h=4bc122222eb51b80e90c30ae1dede86914063bbf;hb=7434f457d2280cef5da0e641ab7290e510681b7d;hp=6c57a4ee67b1db49535a17628c34633a54589156;hpb=207802589da0d23c3f16195f453b24a1e46e322d;p=ghc-hetmet.git

diff --git a/compiler/codeGen/SMRep.lhs b/compiler/codeGen/SMRep.lhs
index 6c57a4e..4bc1222 100644
--- a/compiler/codeGen/SMRep.lhs
+++ b/compiler/codeGen/SMRep.lhs
@@ -9,6 +9,13 @@ This is here, rather than in ClosureInfo, just to keep nhc happy.
 Other modules should access this info through ClosureInfo.
 
 \begin{code}
+{-# 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/Commentary/CodingStyle#Warnings
+-- for details
+
 module SMRep (
 	-- Words and bytes
 	StgWord, StgHalfWord, 
@@ -112,8 +119,10 @@ 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
@@ -304,7 +313,7 @@ smRepClosureType :: SMRep -> Maybe ClosureType
 smRepClosureType (GenericRep _ _ _ ty) = Just ty
 smRepClosureType BlackHoleRep	       = Nothing
 
-smRepClosureTypeInt :: SMRep -> Int
+smRepClosureTypeInt :: SMRep -> StgHalfWord
 smRepClosureTypeInt (GenericRep False 1 0 Constr) = CONSTR_1_0
 smRepClosureTypeInt (GenericRep False 0 1 Constr) = CONSTR_0_1
 smRepClosureTypeInt (GenericRep False 2 0 Constr) = CONSTR_2_0
@@ -339,7 +348,7 @@ smRepClosureTypeInt rep = panic "smRepClosuretypeint"
 
 
 -- We export these ones
-rET_SMALL     = (RET_SMALL     :: Int)
-rET_BIG       = (RET_BIG       :: Int)
+rET_SMALL     = (RET_SMALL     :: StgHalfWord)
+rET_BIG       = (RET_BIG       :: StgHalfWord)
 \end{code}