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8033792: AltHashing used jint for imprecise bit shifting

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AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix  by change _seed defined as juint.

Reviewed-by: coleenp, ccheung
This commit is contained in:
Yumin Qi 2014-02-10 21:29:14 -08:00 • committed by Yumin Qi
parent 35ff06e689
commit a90e842e0c
10 changed files with 66 additions and 65 deletions
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3
hotspot/src/share/vm/oops/instanceKlass.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -554,6 +554,7 @@ class InstanceKlass: public Klass {
if (hk == NULL) {
return NULL;
} else {
assert(*hk != NULL, "host klass should always be set if the address is not null");
return *hk;
}
}