src/hotspot/share/opto/macro.cpp

rev 49911 : imported patch removeAllGCs

@@ -45,13 +45,13 @@
 #include "opto/rootnode.hpp"
 #include "opto/runtime.hpp"
 #include "opto/subnode.hpp"
 #include "opto/type.hpp"
 #include "runtime/sharedRuntime.hpp"
-#if INCLUDE_ALL_GCS
+#if INCLUDE_G1GC
 #include "gc/g1/g1ThreadLocalData.hpp"
-#endif // INCLUDE_ALL_GCS
+#endif // INCLUDE_G1GC
 
 
 //
 // Replace any references to "oldref" in inputs to "use" with "newref".
 // Returns the number of replacements made.

@@ -244,11 +244,13 @@
         continue;
       }
       assert(mem->is_Store(), "store required");
       _igvn.replace_node(mem, mem->in(MemNode::Memory));
     }
-  } else {
+  }
+#if INCLUDE_G1GC
+  else {
     // G1 pre/post barriers
     assert(p2x->outcnt() <= 2, "expects 1 or 2 users: Xor and URShift nodes");
     // It could be only one user, URShift node, in Object.clone() intrinsic
     // but the new allocation is passed to arraycopy stub and it could not
     // be scalar replaced. So we don't check the case.

@@ -324,10 +326,11 @@
     // Now CastP2X can be removed since it is used only on dead path
     // which currently still alive until igvn optimize it.
     assert(p2x->outcnt() == 0 || p2x->unique_out()->Opcode() == Op_URShiftX, "");
     _igvn.replace_node(p2x, top());
   }
+#endif // INCLUDE_G1GC
 }
 
 // Search for a memory operation for the specified memory slice.
 static Node *scan_mem_chain(Node *mem, int alias_idx, int offset, Node *start_mem, Node *alloc, PhaseGVN *phase) {
   Node *orig_mem = mem;