hotspot/src/share/vm/c1/c1_Compiler.hpp
author iveresov
Fri, 04 Jun 2010 11:18:04 -0700
changeset 5707 6c66849ed24e
parent 5547 f4b087cbb361
child 6453 970dc585ab63
permissions -rw-r--r--
6958292: C1: Enable parallel compilation Summary: Enable parallel compilation in C1 Reviewed-by: never, kvn

/*
 * Copyright (c) 1999, 2007, 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.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

// There is one instance of the Compiler per CompilerThread.

class Compiler: public AbstractCompiler {

 private:

 // Tracks whether runtime has been initialized
 static volatile int _runtimes;

 public:
  // Creation
  Compiler();
  ~Compiler();

  // Name of this compiler
  virtual const char* name()                     { return "C1"; }

#ifdef TIERED
  virtual bool is_c1() { return true; };
#endif // TIERED

  BufferBlob* build_buffer_blob();

  // Missing feature tests
  virtual bool supports_native()                 { return true; }
  virtual bool supports_osr   ()                 { return true; }

  // Customization
  virtual bool needs_adapters         ()         { return false; }
  virtual bool needs_stubs            ()         { return false; }

  // Initialization
  virtual void initialize();
  static  void initialize_all();

  // Compilation entry point for methods
  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);

  // Print compilation timers and statistics
  virtual void print_timers();
};