hotspot/src/share/vm/opto/c2compiler.hpp
author never
Fri, 28 Mar 2008 09:00:39 -0700
changeset 346 e13ccc474a28
parent 211 e2b60448c234
child 670 ddf3e9583f2f
permissions -rw-r--r--
6680594: Load + Load isn't canonicalized leading to missed GVN opportunities Reviewed-by: kvn, jrose
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
class C2Compiler : public AbstractCompiler {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
  static void initialize_runtime();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
  // Name
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
  const char *name() { return "C2"; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
  static volatile int _runtimes;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
#ifdef TIERED
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
  virtual bool is_c2() { return true; };
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
#endif // TIERED
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
  // Customization
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
  bool needs_adapters         () { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
  bool needs_stubs            () { return true; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
  void initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
  // Compilation entry point for methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
  void compile_method(ciEnv* env,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
                      ciMethod* target,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
                      int entry_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
  // sentinel value used to trigger backtracking in compile_method().
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
  static const char* retry_no_subsuming_loads();
211
e2b60448c234 6667610: (Escape Analysis) retry compilation without EA if it fails
kvn
parents: 1
diff changeset
    53
  static const char* retry_no_escape_analysis();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
  // Print compilation timers and statistics
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
  void print_timers();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
};