src/hotspot/share/opto/loopopts.cpp

BarrierSetC2_enhancements

BarrierSetC2

*** 21,30 ****
--- 21,32 ----
   * questions.
   *
   */
  
  #include "precompiled.hpp"
+ #include "gc/shared/barrierSet.hpp"
+ #include "gc/shared/c2/barrierSetC2.hpp"
  #include "memory/allocation.inline.hpp"
  #include "memory/resourceArea.hpp"
  #include "opto/addnode.hpp"
  #include "opto/callnode.hpp"
  #include "opto/castnode.hpp"
***************
*** 1373,1382 ****
--- 1375,1387 ----
    if( n_op == Op_Opaque2 &&
        n->in(1) != NULL &&
        get_loop(get_ctrl(n)) == get_loop(get_ctrl(n->in(1))) ) {
      _igvn.replace_node( n, n->in(1) );
    }
+ 
+   BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
+   bs->loop_optimize_gc_barrier(this, n, true);
  }
  
  //------------------------------split_if_with_blocks---------------------------
  // Check for aggressive application of 'split-if' optimization,
  // using basic block level info.