Mercurial > hg > truffle
diff src/share/vm/opto/node.cpp @ 12355:cefad50507d8
Merge with hs25-b53
author | Gilles Duboscq <duboscq@ssw.jku.at> |
---|---|
date | Fri, 11 Oct 2013 10:38:03 +0200 |
parents | 766fac3395d6 |
children | 8c0e92c8c45b de6a9e811145 4cdf4f71177d |
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--- a/src/share/vm/opto/node.cpp Thu Oct 10 18:26:22 2013 +0200 +++ b/src/share/vm/opto/node.cpp Fri Oct 11 10:38:03 2013 +0200 @@ -773,6 +773,21 @@ _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 ) {