hotspot/src/share/vm/opto/c2compiler.hpp
author zmajo
Tue, 28 Jul 2015 19:20:42 +0200
changeset 31962 d05e0a4d1b43
parent 28395 fbe08d791778
child 32085 d869c505b624
permissions -rw-r--r--
8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics Summary: Add a new method, sun.hotspot.WhiteBox.isIntrinsicAvailable, that can be used to determine if an intrinsic is available. Reviewed-by: kvn, jrose
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
22236
44508442b8da 8029305: add type tag to AbstractCompiler
twisti
parents: 22234
diff changeset
     2
 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
1
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
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 670
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 670
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 670
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    25
#ifndef SHARE_VM_OPTO_C2COMPILER_HPP
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    26
#define SHARE_VM_OPTO_C2COMPILER_HPP
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    27
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    28
#include "compiler/abstractCompiler.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    29
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
class C2Compiler : public AbstractCompiler {
20707
b3b658c6d1f8 8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents: 7397
diff changeset
    31
 private:
b3b658c6d1f8 8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
anoll
parents: 7397
diff changeset
    32
  static bool init_c2_runtime();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
public:
22236
44508442b8da 8029305: add type tag to AbstractCompiler
twisti
parents: 22234
diff changeset
    35
  C2Compiler() : AbstractCompiler(c2) {}
44508442b8da 8029305: add type tag to AbstractCompiler
twisti
parents: 22234
diff changeset
    36
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
  // Name
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
  const char *name() { return "C2"; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
  void initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
  // Compilation entry point for methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
  void compile_method(ciEnv* env,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
                      ciMethod* target,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
                      int entry_bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
  // sentinel value used to trigger backtracking in compile_method().
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
  static const char* retry_no_subsuming_loads();
211
e2b60448c234 6667610: (Escape Analysis) retry compilation without EA if it fails
kvn
parents: 1
diff changeset
    48
  static const char* retry_no_escape_analysis();
28395
fbe08d791778 8055530: assert(_exits.control()->is_top() || !_gvn.type(ret_phi)->empty()) failed: return value must be well defined
roland
parents: 26796
diff changeset
    49
  static const char* retry_class_loading_during_parsing();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
  // Print compilation timers and statistics
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
  void print_timers();
26796
666464578742 8015774: Add support for multiple code heaps
thartmann
parents: 22236
diff changeset
    53
31962
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    54
  // Check the availability of an intrinsic for 'method' given a compilation context.
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    55
  virtual bool is_intrinsic_available(methodHandle method, methodHandle compilation_context);
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    56
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    57
  // Return true if the intrinsification of a method supported by the compiler
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    58
  // assuming a non-virtual dispatch. Return false otherwise.
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    59
  virtual bool is_intrinsic_supported(methodHandle method) {
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    60
    return is_intrinsic_supported(method, false);
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    61
  }
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    62
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    63
  // Check if the compiler supports an intrinsic for 'method' given the
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    64
  // the dispatch mode specified by the 'is_virtual' parameter.
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    65
  virtual bool is_intrinsic_supported(methodHandle method, bool is_virtual);
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    66
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    67
  // Processing of command-line flags specific to the C2 compiler.
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    68
  virtual bool is_intrinsic_disabled_by_flag(methodHandle method) {
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    69
    return is_intrinsic_disabled_by_flag(method, NULL);
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    70
  }
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    71
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    72
  virtual bool is_intrinsic_disabled_by_flag(methodHandle method, methodHandle compilation_context);
d05e0a4d1b43 8130832: Extend the WhiteBox API to provide information about the availability of compiler intrinsics
zmajo
parents: 28395
diff changeset
    73
26796
666464578742 8015774: Add support for multiple code heaps
thartmann
parents: 22236
diff changeset
    74
  // Initial size of the code buffer (may be increased at runtime)
666464578742 8015774: Add support for multiple code heaps
thartmann
parents: 22236
diff changeset
    75
  static int initial_code_buffer_size();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    76
};
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    77
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    78
#endif // SHARE_VM_OPTO_C2COMPILER_HPP