--- a/hotspot/src/share/vm/opto/addnode.cpp Wed Dec 05 09:00:00 2007 -0800
+++ b/hotspot/src/share/vm/opto/addnode.cpp Wed Dec 05 09:01:00 2007 -0800
@@ -608,6 +608,28 @@
return NULL;
}
+//------------------------------unpack_offsets----------------------------------
+// Collect the AddP offset values into the elements array, giving up
+// if there are more than length.
+int AddPNode::unpack_offsets(Node* elements[], int length) {
+ int count = 0;
+ Node* addr = this;
+ Node* base = addr->in(AddPNode::Base);
+ while (addr->is_AddP()) {
+ if (addr->in(AddPNode::Base) != base) {
+ // give up
+ return -1;
+ }
+ elements[count++] = addr->in(AddPNode::Offset);
+ if (count == length) {
+ // give up
+ return -1;
+ }
+ addr = addr->in(AddPNode::Address);
+ }
+ return count;
+}
+
//------------------------------match_edge-------------------------------------
// Do we Match on this edge index or not? Do not match base pointer edge
uint AddPNode::match_edge(uint idx) const {