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6442502: assert(bits,"Use TypePtr for NULL") on linux-x86

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Reviewed-by: kvn
This commit is contained in:
Tom Rodriguez 2009-02-04 23:17:38 -08:00
parent a70da64c72
commit 67f20d82c9
2 changed files with 14 additions and 13 deletions
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12
hotspot/src/share/vm/opto/graphKit.hpp
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@ -83,6 +83,18 @@ class GraphKit : public Phase {
Node* zerocon(BasicType bt) const { return _gvn.zerocon(bt); }
// (See also macro MakeConX in type.hpp, which uses intcon or longcon.)
// Helper for byte_map_base
Node* byte_map_base_node() {
// Get base of card map
CardTableModRefBS* ct = (CardTableModRefBS*)(Universe::heap()->barrier_set());
assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust users of this code");
if (ct->byte_map_base != NULL) {
return makecon(TypeRawPtr::make((address)ct->byte_map_base));
} else {
return null();
}
}
jint find_int_con(Node* n, jint value_if_unknown) {
return _gvn.find_int_con(n, value_if_unknown);
}