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

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children 72cfb36c6bb2 c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
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 #include "incls/_precompiled.incl"
26 #include "incls/_c1_Compiler.cpp.incl"
27
28 volatile int Compiler::_runtimes = uninitialized;
29
30 volatile bool Compiler::_compiling = false;
31
32
33 Compiler::Compiler() {
34 }
35
36
37 Compiler::~Compiler() {
38 Unimplemented();
39 }
40
41
42 void Compiler::initialize() {
43 if (_runtimes != initialized) {
44 initialize_runtimes( Runtime1::initialize, &_runtimes);
45 }
46 mark_initialized();
47 }
48
49
50 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
51
52 if (!is_initialized()) {
53 initialize();
54 }
55 // invoke compilation
56 #ifdef TIERED
57 // We are thread in native here...
58 CompilerThread* thread = CompilerThread::current();
59 {
60 ThreadInVMfromNative tv(thread);
61 MutexLocker only_one (C1_lock, thread);
62 while ( _compiling) {
63 C1_lock->wait();
64 }
65 _compiling = true;
66 }
67 #endif // TIERED
68 {
69 // We are nested here because we need for the destructor
70 // of Compilation to occur before we release the any
71 // competing compiler thread
72 ResourceMark rm;
73 Compilation c(this, env, method, entry_bci);
74 }
75 #ifdef TIERED
76 {
77 ThreadInVMfromNative tv(thread);
78 MutexLocker only_one (C1_lock, thread);
79 _compiling = false;
80 C1_lock->notify();
81 }
82 #endif // TIERED
83 }
84
85
86 void Compiler::print_timers() {
87 Compilation::print_timers();
88 }