Mercurial > hg > truffle
view src/share/vm/c1/c1_Compiler.cpp @ 7252:73139223837c
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Mon, 17 Dec 2012 17:42:27 +0100 |
parents | 5d0bb7d52783 |
children | 836a62f43af9 |
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/* * Copyright (c) 1999, 2012, 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 "precompiled.hpp" #include "c1/c1_Compilation.hpp" #include "c1/c1_Compiler.hpp" #include "c1/c1_FrameMap.hpp" #include "c1/c1_GraphBuilder.hpp" #include "c1/c1_LinearScan.hpp" #include "c1/c1_MacroAssembler.hpp" #include "c1/c1_Runtime1.hpp" #include "c1/c1_ValueType.hpp" #include "compiler/compileBroker.hpp" #include "compiler/compilerOracle.hpp" #include "interpreter/linkResolver.hpp" #include "memory/allocation.hpp" #include "memory/allocation.inline.hpp" #include "memory/resourceArea.hpp" #include "prims/nativeLookup.hpp" #include "runtime/arguments.hpp" #include "runtime/interfaceSupport.hpp" #include "runtime/sharedRuntime.hpp" volatile int Compiler::_runtimes = uninitialized; Compiler::Compiler() : AbstractCompiler(c1) { } Compiler::~Compiler() { Unimplemented(); } void Compiler::initialize_all() { BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); Arena* arena = new (mtCompiler) 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(); }