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comparison src/share/vm/c1/c1_Compiler.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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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 */
24
25 // There is one instance of the Compiler per CompilerThread.
26
27 class Compiler: public AbstractCompiler {
28
29 private:
30
31 // Tracks whether runtime has been initialized
32 static volatile int _runtimes;
33
34 // In tiered it is possible for multiple threads to want to do compilation
35 // only one can enter c1 at a time
36 static volatile bool _compiling;
37
38 public:
39 // Creation
40 Compiler();
41 ~Compiler();
42
43 // Name of this compiler
44 virtual const char* name() { return "C1"; }
45
46 #ifdef TIERED
47 virtual bool is_c1() { return true; };
48 #endif // TIERED
49
50
51 // Missing feature tests
52 virtual bool supports_native() { return true; }
53 virtual bool supports_osr () { return true; }
54
55 // Customization
56 virtual bool needs_adapters () { return false; }
57 virtual bool needs_stubs () { return false; }
58
59 // Initialization
60 virtual void initialize();
61
62 // Compilation entry point for methods
63 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
64
65 // Print compilation timers and statistics
66 virtual void print_timers();
67 };