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/*
* 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.
*
*/
#include "incls/_precompiled.incl"
#include "incls/_c1_Compiler.cpp.incl"
volatile int Compiler::_runtimes = uninitialized;
Compiler::Compiler() {
}
Compiler::~Compiler() {
Unimplemented();
}
void Compiler::initialize_all() {
BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
Arena* arena = new Arena();
Runtime1::initialize(buffer_blob);
FrameMap::initialize();
// initialize data structures
ValueType::initialize(arena);
// Instruction::initialize();
// BlockBegin::initialize();
GraphBuilder::initialize();
// note: to use more than one instance of LinearScan at a time this function call has to
// be moved somewhere outside of this constructor:
Interval::initialize(arena);
}
void Compiler::initialize() {
if (_runtimes != initialized) {
initialize_runtimes( initialize_all, &_runtimes);
}
mark_initialized();
}
BufferBlob* Compiler::build_buffer_blob() {
// setup CodeBuffer. Preallocate a BufferBlob of size
// NMethodSizeLimit plus some extra space for constants.
int code_buffer_size = Compilation::desired_max_code_buffer_size() +
Compilation::desired_max_constant_size();
BufferBlob* blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
code_buffer_size);
guarantee(blob != NULL, "must create initial code buffer");
return blob;
}
void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
// Allocate buffer blob once at startup since allocation for each
// compilation seems to be too expensive (at least on Intel win32).
BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
if (buffer_blob == NULL) {
buffer_blob = build_buffer_blob();
CompilerThread::current()->set_buffer_blob(buffer_blob);
}
if (!is_initialized()) {
initialize();
}
// invoke compilation
{
// 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, buffer_blob);
}
}
void Compiler::print_timers() {
Compilation::print_timers();
}
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