hotspot/src/share/vm/opto/c2compiler.hpp
author trims
Thu, 12 Mar 2009 18:16:36 -0700
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/*
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 * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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class C2Compiler : public AbstractCompiler {
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private:
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  static void initialize_runtime();
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public:
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  // Name
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  const char *name() { return "C2"; }
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  static volatile int _runtimes;
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#ifdef TIERED
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  virtual bool is_c2() { return true; };
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#endif // TIERED
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  // Customization
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  bool needs_adapters         () { return true; }
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  bool needs_stubs            () { return true; }
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  void initialize();
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  // Compilation entry point for methods
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  void compile_method(ciEnv* env,
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                      ciMethod* target,
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                      int entry_bci);
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  // sentinel value used to trigger backtracking in compile_method().
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  static const char* retry_no_subsuming_loads();
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  static const char* retry_no_escape_analysis();
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  // Print compilation timers and statistics
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  void print_timers();
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};