Commit a7eae667 authored by simonmar's avatar simonmar
Browse files

[project @ 2000-09-04 15:08:42 by simonmar]

Fix a couple of bugs in the StablePtr weigthed reference counting.
parent 3b9019a6
/* -----------------------------------------------------------------------------
* $Id: Stable.c,v 1.11 2000/04/24 22:05:08 panne Exp $
* $Id: Stable.c,v 1.12 2000/09/04 15:08:42 simonmar Exp $
*
* (c) The GHC Team, 1998-1999
*
......@@ -230,7 +230,7 @@ getStablePtr(StgPtr p)
if (weight == 0) {
weight = (StgWord)1 << (BITS_IN(StgWord)-1);
stable_ptr_table[sn].weight = weight;
return (StgStablePtr)(sn + ((BITS_IN(StgWord)-1) << STABLEPTR_WEIGHT_SHIFT));
return (StgStablePtr)(sn + (BITS_IN(StgWord) << STABLEPTR_WEIGHT_SHIFT));
}
else if (weight == 1) {
barf("getStablePtr: too light");
......@@ -241,7 +241,7 @@ getStablePtr(StgPtr p)
for (weight_2 = 1; weight != 1; weight_2++) {
weight >>= 1;
}
stable_ptr_table[sn].weight -= 2^weight_2;
stable_ptr_table[sn].weight -= 1 << (weight_2 - 1);
return (StgStablePtr)(sn + (weight_2 << STABLEPTR_WEIGHT_SHIFT));
}
}
......
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