From 106d45f223f43d1565d96fade7293f7a1aeea210 Mon Sep 17 00:00:00 2001
From: sof <unknown>
Date: Wed, 3 Sep 1997 23:52:17 +0000
Subject: [PATCH] [project @ 1997-09-03 23:52:17 by sof] doc update
---
ghc/compiler/prelude/PrimRep.lhs | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/ghc/compiler/prelude/PrimRep.lhs b/ghc/compiler/prelude/PrimRep.lhs
index 4b1b71c7b205..6317a13b762d 100644
--- a/ghc/compiler/prelude/PrimRep.lhs
+++ b/ghc/compiler/prelude/PrimRep.lhs
@@ -78,10 +78,12 @@ data PrimRep
%************************************************************************
Whether or not the thing is a pointer that the garbage-collector
-should follow.
+should follow. Or, to put it another (less confusing) way, whether
+the object in question is a heap object.
-Or, to put it another (less confusing) way, whether the object in
-question is a heap object.
+Depending on the outcome, this predicate determines what stack
+the pointer/object possibly will have to be saved onto, and the
+computation of GC liveness info.
\begin{code}
isFollowableRep :: PrimRep -> Bool
@@ -93,7 +95,7 @@ isFollowableRep ByteArrayRep = True
--
-- A: they're followable because these objects
-- should be lugged around by the storage manager
--- (==> we need to generate code that identify them as such) -- 3/97 SOF
+-- (==> registers containing them are live) -- 3/97 SOF
isFollowableRep ForeignObjRep = True
isFollowableRep StablePtrRep = False
--
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