X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=compiler%2FcodeGen%2FSMRep.lhs;h=4bc122222eb51b80e90c30ae1dede86914063bbf;hb=b7d7fe67db64e0f639ac4a91f9ec2690be7e6a7d;hp=ed0a4406754235a5e7f0fdcbbd72bdeace6d984f;hpb=08ea4e6d331cb4bf1b5ea6ddcc688890a17d9097;p=ghc-hetmet.git

diff --git a/compiler/codeGen/SMRep.lhs b/compiler/codeGen/SMRep.lhs
index ed0a440..4bc1222 100644
--- a/compiler/codeGen/SMRep.lhs
+++ b/compiler/codeGen/SMRep.lhs
@@ -119,8 +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