src/hotspot/share/c1/c1_CodeStubs.hpp

BarrierSetC1

 /*
- * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -531,94 +531,6
 #ifndef PRODUCT
   virtual void print_name(outputStream* out) const { out->print("ArrayCopyStub"); }
 #endif // PRODUCT
 };
 
-//////////////////////////////////////////////////////////////////////////////////////////
-#if INCLUDE_ALL_GCS
-
-// Code stubs for Garbage-First barriers.
-class G1PreBarrierStub: public CodeStub {
- private:
-  bool _do_load;
-  LIR_Opr _addr;
-  LIR_Opr _pre_val;
-  LIR_PatchCode _patch_code;
-  CodeEmitInfo* _info;
-
- public:
-  // Version that _does_ generate a load of the previous value from addr.
-  // addr (the address of the field to be read) must be a LIR_Address
-  // pre_val (a temporary register) must be a register;
-  G1PreBarrierStub(LIR_Opr addr, LIR_Opr pre_val, LIR_PatchCode patch_code, CodeEmitInfo* info) :
-    _addr(addr), _pre_val(pre_val), _do_load(true),
-    _patch_code(patch_code), _info(info)
-  {
-    assert(_pre_val->is_register(), "should be temporary register");
-    assert(_addr->is_address(), "should be the address of the field");
-  }
-
-  // Version that _does not_ generate load of the previous value; the
-  // previous value is assumed to have already been loaded into pre_val.
-  G1PreBarrierStub(LIR_Opr pre_val) :
-    _addr(LIR_OprFact::illegalOpr), _pre_val(pre_val), _do_load(false),
-    _patch_code(lir_patch_none), _info(NULL)
-  {
-    assert(_pre_val->is_register(), "should be a register");
-  }
-
-  LIR_Opr addr() const { return _addr; }
-  LIR_Opr pre_val() const { return _pre_val; }
-  LIR_PatchCode patch_code() const { return _patch_code; }
-  CodeEmitInfo* info() const { return _info; }
-  bool do_load() const { return _do_load; }
-
-  virtual void emit_code(LIR_Assembler* e);
-  virtual void visit(LIR_OpVisitState* visitor) {
-    if (_do_load) {
-      // don't pass in the code emit info since it's processed in the fast
-      // path
-      if (_info != NULL)
-        visitor->do_slow_case(_info);
-      else
-        visitor->do_slow_case();
-
-      visitor->do_input(_addr);
-      visitor->do_temp(_pre_val);
-    } else {
-      visitor->do_slow_case();
-      visitor->do_input(_pre_val);
-    }
-  }
-#ifndef PRODUCT
-  virtual void print_name(outputStream* out) const { out->print("G1PreBarrierStub"); }
-#endif // PRODUCT
-};
-
-class G1PostBarrierStub: public CodeStub {
- private:
-  LIR_Opr _addr;
-  LIR_Opr _new_val;
-
- public:
-  // addr (the address of the object head) and new_val must be registers.
-  G1PostBarrierStub(LIR_Opr addr, LIR_Opr new_val): _addr(addr), _new_val(new_val) { }
-
-  LIR_Opr addr() const { return _addr; }
-  LIR_Opr new_val() const { return _new_val; }
-
-  virtual void emit_code(LIR_Assembler* e);
-  virtual void visit(LIR_OpVisitState* visitor) {
-    // don't pass in the code emit info since it's processed in the fast path
-    visitor->do_slow_case();
-    visitor->do_input(_addr);
-    visitor->do_input(_new_val);
-  }
-#ifndef PRODUCT
-  virtual void print_name(outputStream* out) const { out->print("G1PostBarrierStub"); }
-#endif // PRODUCT
-};
-
-#endif // INCLUDE_ALL_GCS
-//////////////////////////////////////////////////////////////////////////////////////////
-
 #endif // SHARE_VM_C1_C1_CODESTUBS_HPP