src/share/vm/opto/gcm.cpp

rev 7539 : 8011858: Use Compile::live_nodes() instead of Compile::unique() in appropriate places
Reviewed-by: kvn, vlivanov
Contributed-by: vlad.ureche@gmail.com

*** 116,127 ****
  
  
  //------------------------------schedule_pinned_nodes--------------------------
  // Set the basic block for Nodes pinned into blocks
  void PhaseCFG::schedule_pinned_nodes(VectorSet &visited) {
!   // Allocate node stack of size C->unique()+8 to avoid frequent realloc
!   GrowableArray <Node *> spstack(C->unique() + 8);
    spstack.push(_root);
    while (spstack.is_nonempty()) {
      Node* node = spstack.pop();
      if (!visited.test_set(node->_idx)) { // Test node and flag it as visited
        if (node->pinned() && !has_block(node)) {  // Pinned?  Nail it down!
--- 116,127 ----
  
  
  //------------------------------schedule_pinned_nodes--------------------------
  // Set the basic block for Nodes pinned into blocks
  void PhaseCFG::schedule_pinned_nodes(VectorSet &visited) {
!   // Allocate node stack of size C->live_nodes()+8 to avoid frequent realloc
!   GrowableArray <Node *> spstack(C->live_nodes() + 8);
    spstack.push(_root);
    while (spstack.is_nonempty()) {
      Node* node = spstack.pop();
      if (!visited.test_set(node->_idx)) { // Test node and flag it as visited
        if (node->pinned() && !has_block(node)) {  // Pinned?  Nail it down!
*** 1283,1293 ****
    // instructions are pinned into Blocks.  Unpinned instructions can
    // appear in last block in which all their inputs occur.
    visited.Clear();
    Node_List stack(arena);
    // Pre-grow the list
!   stack.map((C->unique() >> 1) + 16, NULL);
    if (!schedule_early(visited, stack)) {
      // Bailout without retry
      C->record_method_not_compilable("early schedule failed");
      return;
    }
--- 1283,1293 ----
    // instructions are pinned into Blocks.  Unpinned instructions can
    // appear in last block in which all their inputs occur.
    visited.Clear();
    Node_List stack(arena);
    // Pre-grow the list
!   stack.map((C->live_nodes() >> 1) + 16, NULL);
    if (!schedule_early(visited, stack)) {
      // Bailout without retry
      C->record_method_not_compilable("early schedule failed");
      return;
    }