src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp

rev 52491 : 8213746: GC/C2 abstraction for C2 matcher

*** 1456,1465 ****
--- 1456,1476 ----
        handled = false;
    }
    return handled;
  }
  
+ bool ZBarrierSetC2::matcher_find_shared_visit(Matcher* matcher, Matcher::MStack& mstack, Node* n, uint opcode, bool& mem_op, int& mem_addr_idx) const {
+   if (opcode == Op_CallLeaf &&
+       (n->as_Call()->entry_point() == ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr() ||
+        n->as_Call()->entry_point() == ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded_addr())) {
+     mem_op = true;
+     mem_addr_idx = TypeFunc::Parms + 1;
+     return true;
+   }
+   return false;
+ }
+ 
  // == Verification ==
  
  #ifdef ASSERT
  
  static bool look_for_barrier(Node* n, bool post_parse, VectorSet& visited) {