hotspot/src/share/vm/opto/c2compiler.hpp
author roland
Mon, 22 Dec 2014 11:21:20 +0100
changeset 28395 fbe08d791778
parent 26796 666464578742
child 31962 d05e0a4d1b43
permissions -rw-r--r--
8055530: assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined Summary: concurrent class loading causes return phi to become top Reviewed-by: kvn

/*
 * Copyright (c) 1999, 2014, 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.
 *
 */

#ifndef SHARE_VM_OPTO_C2COMPILER_HPP
#define SHARE_VM_OPTO_C2COMPILER_HPP

#include "compiler/abstractCompiler.hpp"

class C2Compiler : public AbstractCompiler {
 private:
  static bool init_c2_runtime();

public:
  C2Compiler() : AbstractCompiler(c2) {}

  // Name
  const char *name() { return "C2"; }

  void initialize();

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

  // sentinel value used to trigger backtracking in compile_method().
  static const char* retry_no_subsuming_loads();
  static const char* retry_no_escape_analysis();
  static const char* retry_class_loading_during_parsing();

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

  // Initial size of the code buffer (may be increased at runtime)
  static int initial_code_buffer_size();
};

#endif // SHARE_VM_OPTO_C2COMPILER_HPP