1 /*
   2  * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 class C2Compiler : public AbstractCompiler {
  26 private:
  27 
  28   static void initialize_runtime();
  29 
  30 public:
  31   // Name
  32   const char *name() { return "C2"; }
  33 
  34   static volatile int _runtimes;
  35 
  36 #ifdef TIERED
  37   virtual bool is_c2() { return true; };
  38 #endif // TIERED
  39 
  40   // Customization
  41   bool needs_adapters         () { return true; }
  42   bool needs_stubs            () { return true; }
  43 
  44   void initialize();
  45 
  46   // Compilation entry point for methods
  47   void compile_method(ciEnv* env,
  48                       ciMethod* target,
  49                       int entry_bci);
  50 
  51   // sentinel value used to trigger backtracking in compile_method().
  52   static const char* retry_no_subsuming_loads();
  53   static const char* retry_no_escape_analysis();
  54 
  55   // Print compilation timers and statistics
  56   void print_timers();
  57 };