jdk8-mips64-public/hotspot: src/share/vm/compiler/abstractCompiler.hpp@c6ff24ceec1c

6686407: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0
Summary: Stack allocated VM_EnableBiasedLocking op must be marked as such
Reviewed-by: xlu, acorn, never, dholmes

     1 /*

     2  * Copyright 1999-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 typedef void (*initializer)(void);

    27 class AbstractCompiler : public CHeapObj {

    28  private:

    29   bool _is_initialized; // Mark whether compiler object is initialized

    31  protected:

    32   // Used for tracking global state of compiler runtime initialization

    33   enum { uninitialized, initializing, initialized };

    35   // This method will call the initialization method "f" once (per compiler class/subclass)

    36   // and do so without holding any locks

    37   void initialize_runtimes(initializer f, volatile int* state);

    39  public:

    40   AbstractCompiler() : _is_initialized(false)    {}

    42   // Name of this compiler

    43   virtual const char* name() = 0;

    45   // Missing feature tests

    46   virtual bool supports_native()                 { return true; }

    47   virtual bool supports_osr   ()                 { return true; }

    48 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2))

    49   virtual bool is_c1   ()                        { return false; }

    50   virtual bool is_c2   ()                        { return false; }

    51 #else

    52 #ifdef COMPILER1

    53   bool is_c1   ()                                { return true; }

    54   bool is_c2   ()                                { return false; }

    55 #endif // COMPILER1

    56 #ifdef COMPILER2

    57   bool is_c1   ()                                { return false; }

    58   bool is_c2   ()                                { return true; }

    59 #endif // COMPILER2

    60 #endif // TIERED

    62   // Customization

    63   virtual bool needs_stubs            ()         = 0;

    65   void mark_initialized()                        { _is_initialized = true; }

    66   bool is_initialized()                          { return _is_initialized; }

    68   virtual void initialize()                      = 0;

    70   // Compilation entry point for methods

    71   virtual void compile_method(ciEnv* env,

    72                               ciMethod* target,

    73                               int entry_bci) {

    74     ShouldNotReachHere();

    75   }

    78   // Print compilation timers and statistics

    79   virtual void print_timers() {

    80     ShouldNotReachHere();

    81   }

    82 };

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/compiler/abstractCompiler.hpp@c6ff24ceec1c

src/share/vm/compiler/abstractCompiler.hpp