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hotspot/src/share/vm/c1/c1_Compiler.cpp

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+/*
+ * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_c1_Compiler.cpp.incl"
+
+volatile int Compiler::_runtimes = uninitialized;
+
+volatile bool Compiler::_compiling = false;
+
+
+Compiler::Compiler() {
+}
+
+
+Compiler::~Compiler() {
+  Unimplemented();
+}
+
+
+void Compiler::initialize() {
+  if (_runtimes != initialized) {
+    initialize_runtimes( Runtime1::initialize, &_runtimes);
+  }
+  mark_initialized();
+}
+
+
+void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
+
+  if (!is_initialized()) {
+    initialize();
+  }
+  // invoke compilation
+#ifdef TIERED
+  // We are thread in native here...
+  CompilerThread* thread = CompilerThread::current();
+  {
+    ThreadInVMfromNative tv(thread);
+    MutexLocker only_one (C1_lock, thread);
+    while ( _compiling) {
+      C1_lock->wait();
+    }
+    _compiling = true;
+  }
+#endif // TIERED
+  {
+    // We are nested here because we need for the destructor
+    // of Compilation to occur before we release the any
+    // competing compiler thread
+    ResourceMark rm;
+    Compilation c(this, env, method, entry_bci);
+  }
+#ifdef TIERED
+  {
+    ThreadInVMfromNative tv(thread);
+    MutexLocker only_one (C1_lock, thread);
+    _compiling = false;
+    C1_lock->notify();
+  }
+#endif // TIERED
+}
+
+
+void Compiler::print_timers() {
+  Compilation::print_timers();
+}