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annotate src/share/vm/c1/c1_Compiler.cpp @ 17467:55fb97c4c58d hs25-b65

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8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013 Summary: Copyright year updated for files modified during 2013 Reviewed-by: twisti, iveresov
author mikael
date Tue, 24 Dec 2013 11:48:39 -0800
parents 469216acdb28
children 16e101c8691f 833b0f92429a
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1 /*
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2 * Copyright (c) 1999, 2013, 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
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46 Compiler::Compiler () {}
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47
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48 void Compiler::init_c1_runtime() {
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49 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
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50 Arena* arena = new (mtCompiler) Arena();
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51 Runtime1::initialize(buffer_blob);
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52 FrameMap::initialize();
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53 // initialize data structures
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54 ValueType::initialize(arena);
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55 GraphBuilder::initialize();
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56 // note: to use more than one instance of LinearScan at a time this function call has to
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57 // be moved somewhere outside of this constructor:
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58 Interval::initialize(arena);
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59 }
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60
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61
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62 void Compiler::initialize() {
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63 // Buffer blob must be allocated per C1 compiler thread at startup
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64 BufferBlob* buffer_blob = init_buffer_blob();
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65
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66 if (should_perform_init()) {
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67 if (buffer_blob == NULL) {
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68 // When we come here we are in state 'initializing'; entire C1 compilation
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69 // can be shut down.
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70 set_state(failed);
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71 } else {
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72 init_c1_runtime();
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73 set_state(initialized);
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74 }
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75 }
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76 }
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77
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78 BufferBlob* Compiler::init_buffer_blob() {
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79 // Allocate buffer blob once at startup since allocation for each
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80 // compilation seems to be too expensive (at least on Intel win32).
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81 assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once");
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82
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83 // setup CodeBuffer. Preallocate a BufferBlob of size
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84 // NMethodSizeLimit plus some extra space for constants.
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85 int code_buffer_size = Compilation::desired_max_code_buffer_size() +
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86 Compilation::desired_max_constant_size();
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87
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88 BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size);
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89 if (buffer_blob != NULL) {
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90 CompilerThread::current()->set_buffer_blob(buffer_blob);
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91 }
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92
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93 return buffer_blob;
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94 }
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96
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97 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
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98 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
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99 assert(buffer_blob != NULL, "Must exist");
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100 // invoke compilation
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101 {
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102 // We are nested here because we need for the destructor
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103 // of Compilation to occur before we release the any
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104 // competing compiler thread
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105 ResourceMark rm;
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106 Compilation c(this, env, method, entry_bci, buffer_blob);
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107 }
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108 }
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111 void Compiler::print_timers() {
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112 Compilation::print_timers();
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113 }