hotspot/src/share/vm/c1/c1_Compiler.hpp
author never
Tue, 18 May 2010 13:45:03 -0700
changeset 5535 a747f18b3d7e
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6953539: after 6892658 c1 reports that it doesn't inline StringBuffer.append Reviewed-by: kvn, twisti
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
489c9b5090e2 Initial load
duke
parents:
diff changeset
     2
 * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
489c9b5090e2 Initial load
duke
parents:
diff changeset
    25
// There is one instance of the Compiler per CompilerThread.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
class Compiler: public AbstractCompiler {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
 // Tracks whether runtime has been initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
 static volatile int _runtimes;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
 // In tiered it is possible for multiple threads to want to do compilation
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
 // only one can enter c1 at a time
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
 static volatile bool _compiling;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
  // Creation
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
  Compiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
  ~Compiler();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
  // Name of this compiler
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
  virtual const char* name()                     { return "C1"; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
#ifdef TIERED
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
  virtual bool is_c1() { return true; };
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
#endif // TIERED
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
  // Missing feature tests
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
  virtual bool supports_native()                 { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
  virtual bool supports_osr   ()                 { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
  // Customization
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
  virtual bool needs_adapters         ()         { return false; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
  virtual bool needs_stubs            ()         { return false; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
489c9b5090e2 Initial load
duke
parents:
diff changeset
    59
  // Initialization
489c9b5090e2 Initial load
duke
parents:
diff changeset
    60
  virtual void initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    61
489c9b5090e2 Initial load
duke
parents:
diff changeset
    62
  // Compilation entry point for methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
    63
  virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    64
489c9b5090e2 Initial load
duke
parents:
diff changeset
    65
  // Print compilation timers and statistics
489c9b5090e2 Initial load
duke
parents:
diff changeset
    66
  virtual void print_timers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    67
};