Mercurial > hg > graal-compiler

annotate src/share/vm/c1/c1_Compiler.cpp @ 10408:836a62f43af9

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Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
author Doug Simon <doug.simon@oracle.com>
date Wed, 19 Jun 2013 10:45:56 +0200
parents 5d0bb7d52783 01e51113b4f5
children 096c224171c4
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1 /*
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2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "c1/c1_Compilation.hpp"
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27 #include "c1/c1_Compiler.hpp"
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28 #include "c1/c1_FrameMap.hpp"
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29 #include "c1/c1_GraphBuilder.hpp"
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30 #include "c1/c1_LinearScan.hpp"
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31 #include "c1/c1_MacroAssembler.hpp"
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32 #include "c1/c1_Runtime1.hpp"
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33 #include "c1/c1_ValueType.hpp"
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34 #include "compiler/compileBroker.hpp"
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35 #include "compiler/compilerOracle.hpp"
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36 #include "interpreter/linkResolver.hpp"
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37 #include "memory/allocation.hpp"
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38 #include "memory/allocation.inline.hpp"
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39 #include "memory/resourceArea.hpp"
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40 #include "prims/nativeLookup.hpp"
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41 #include "runtime/arguments.hpp"
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42 #include "runtime/interfaceSupport.hpp"
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43 #include "runtime/sharedRuntime.hpp"
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45 volatile int Compiler::_runtimes = uninitialized;
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46
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47 Compiler::Compiler() : AbstractCompiler(c1) {
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48 }
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49
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51 Compiler::~Compiler() {
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52 Unimplemented();
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53 }
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54
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55
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56 void Compiler::initialize_all() {
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57 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
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58 Arena* arena = new (mtCompiler) Arena();
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59 Runtime1::initialize(buffer_blob);
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60 FrameMap::initialize();
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61 // initialize data structures
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62 ValueType::initialize(arena);
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63 // Instruction::initialize();
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64 // BlockBegin::initialize();
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65 GraphBuilder::initialize();
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66 // note: to use more than one instance of LinearScan at a time this function call has to
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67 // be moved somewhere outside of this constructor:
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68 Interval::initialize(arena);
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69 }
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71
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72 void Compiler::initialize() {
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73 if (_runtimes != initialized) {
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74 initialize_runtimes( initialize_all, &_runtimes);
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75 }
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76 mark_initialized();
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77 }
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79
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80 BufferBlob* Compiler::get_buffer_blob(ciEnv* env) {
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81 // Allocate buffer blob once at startup since allocation for each
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82 // compilation seems to be too expensive (at least on Intel win32).
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83 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
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84 if (buffer_blob != NULL) {
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85 return buffer_blob;
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86 }
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87
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88 // setup CodeBuffer. Preallocate a BufferBlob of size
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89 // NMethodSizeLimit plus some extra space for constants.
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90 int code_buffer_size = Compilation::desired_max_code_buffer_size() +
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91 Compilation::desired_max_constant_size();
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92
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93 buffer_blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
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94 code_buffer_size);
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95 if (buffer_blob == NULL) {
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96 CompileBroker::handle_full_code_cache();
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97 env->record_failure("CodeCache is full");
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98 } else {
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99 CompilerThread::current()->set_buffer_blob(buffer_blob);
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100 }
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101
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102 return buffer_blob;
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103 }
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104
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105
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106 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
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107 BufferBlob* buffer_blob = Compiler::get_buffer_blob(env);
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108 if (buffer_blob == NULL) {
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109 return;
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110 }
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111
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112 if (!is_initialized()) {
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113 initialize();
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114 }
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115
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116 // invoke compilation
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117 {
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118 // We are nested here because we need for the destructor
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119 // of Compilation to occur before we release the any
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120 // competing compiler thread
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121 ResourceMark rm;
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122 Compilation c(this, env, method, entry_bci, buffer_blob);
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123 }
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124 }
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125
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126
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127 void Compiler::print_timers() {
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128 Compilation::print_timers();
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129 }