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8012972: Incremental Inlining should support scalar replaced object in debug info

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Store in _first_index not absolute index but an index relative to the last (youngest) jvms->_scloff value

Reviewed-by: roland, twisti
This commit is contained in:
Vladimir Kozlov 2013-08-23 11:41:37 -07:00
parent 6549fc2f25
commit ccfb92c6a9
8 changed files with 53 additions and 27 deletions
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15
hotspot/src/share/vm/opto/node.cpp
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@ -773,6 +773,21 @@ void Node::del_req( uint idx ) {
_in[_cnt] = NULL; // NULL out emptied slot
}
//------------------------------del_req_ordered--------------------------------
// Delete the required edge and compact the edge array with preserved order
void Node::del_req_ordered( uint idx ) {
assert( idx < _cnt, "oob");
assert( !VerifyHashTableKeys || _hash_lock == 0,
"remove node from hash table before modifying it");
// First remove corresponding def-use edge
Node *n = in(idx);
if (n != NULL) n->del_out((Node *)this);
if (idx < _cnt - 1) { // Not last edge ?
Copy::conjoint_words_to_lower((HeapWord*)&_in[idx+1], (HeapWord*)&_in[idx], ((_cnt-idx-1)*sizeof(Node*)));
}
_in[--_cnt] = NULL; // NULL out emptied slot
}
//------------------------------ins_req----------------------------------------
// Insert a new required input at the end
void Node::ins_req( uint idx, Node *n ) {