6958292: C1: Enable parallel compilation
Summary: Enable parallel compilation in C1
Reviewed-by: never, kvn
/*
* Copyright (c) 1999, 2007, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
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*/
// There is one instance of the Compiler per CompilerThread.
class Compiler: public AbstractCompiler {
private:
// Tracks whether runtime has been initialized
static volatile int _runtimes;
public:
// Creation
Compiler();
~Compiler();
// Name of this compiler
virtual const char* name() { return "C1"; }
#ifdef TIERED
virtual bool is_c1() { return true; };
#endif // TIERED
BufferBlob* build_buffer_blob();
// Missing feature tests
virtual bool supports_native() { return true; }
virtual bool supports_osr () { return true; }
// Customization
virtual bool needs_adapters () { return false; }
virtual bool needs_stubs () { return false; }
// Initialization
virtual void initialize();
static void initialize_all();
// Compilation entry point for methods
virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
// Print compilation timers and statistics
virtual void print_timers();
};