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annotate src/share/vm/graal/graalCompiler.hpp @ 5318:b5cd7bc05695

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Method entry counters: Enable the flag to collect an execution profile of compiled methods and their callers. This allows to, e.g., detect methods that should be inlined because they are called frequently.
author Christian Wimmer <Christian.Wimmer@Oracle.com>
date Fri, 27 Apr 2012 12:56:39 -0700
parents 51111665eda6
children 70f715dfbb41
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2011, 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 #include "compiler/abstractCompiler.hpp"
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26 #define LEAF_GRAPH_ARRAY_SIZE (8192)
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28 class GraalCompiler : public AbstractCompiler {
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30 private:
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32 bool _initialized;
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34 static GraalCompiler* _instance;
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35
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36 jlong _deopted_leaf_graphs[LEAF_GRAPH_ARRAY_SIZE];
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37 int _deopted_leaf_graph_count;
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38
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39 public:
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40
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41 GraalCompiler();
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43 static GraalCompiler* instance() { return _instance; }
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46 virtual const char* name() { return "G"; }
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47
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48 // Native / OSR not supported
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49 virtual bool supports_native() { return true; }
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50 virtual bool supports_osr () { return false; }
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51
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52 // Pretend to be C1
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53 bool is_c1 () { return true; }
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54 bool is_c2 () { return false; }
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55
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56 // Initialization
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57 virtual void initialize();
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58
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59 // Compilation entry point for methods
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60 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci);
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62 void compile_method(methodHandle target, int entry_bci, jboolean blocking);
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64 void deopt_leaf_graph(jlong leaf_graph_id);
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65 oop dump_deopted_leaf_graphs(TRAPS);
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67 // Print compilation timers and statistics
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68 virtual void print_timers();
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69
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70 static Handle get_RiTypeFromSignature(constantPoolHandle cp, int index, KlassHandle accessor, TRAPS);
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71 static Handle get_RiType(constantPoolHandle cp, int index, KlassHandle accessor, TRAPS);
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72 static Handle get_RiType(Symbol* klass_name, TRAPS);
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73 static Handle get_RiType(KlassHandle klass, TRAPS);
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74 static Handle get_RiField(int offset, int flags, Symbol* field_name, Handle field_holder, Handle field_type, Bytecodes::Code byteCode, TRAPS);
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75
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76 static Handle createHotSpotTypeResolved(KlassHandle klass, Handle name, TRAPS);
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77 static Handle createHotSpotMethodResolved(methodHandle method, TRAPS);
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78 static Handle createHotSpotMethodData(methodDataHandle method_data, TRAPS);
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79
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80 void exit();
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81
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82 static BasicType kindToBasicType(jchar ch);
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83
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84 static int to_cp_index_u2(int index) {
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85 // Tag.
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86 return to_index_u2(index) + constantPoolOopDesc::CPCACHE_INDEX_TAG;
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87 }
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88
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89 static int to_index_u2(int index) {
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90 // Swap.
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91 return ((index & 0xFF) << 8) | (index >> 8);
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92 }
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94 static void initialize_buffer_blob();
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95 };
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97 // Tracing macros
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98
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99 #define IF_TRACE_graal_1 if (!(TraceGraal >= 1)) ; else
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100 #define IF_TRACE_graal_2 if (!(TraceGraal >= 2)) ; else
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101 #define IF_TRACE_graal_3 if (!(TraceGraal >= 3)) ; else
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102 #define IF_TRACE_graal_4 if (!(TraceGraal >= 4)) ; else
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103 #define IF_TRACE_graal_5 if (!(TraceGraal >= 5)) ; else
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104
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105 // using commas and else to keep one-instruction semantics
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106
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107 #define TRACE_graal_1 if (!(TraceGraal >= 1 && (tty->print("TraceGraal-1: "), true))) ; else tty->print_cr
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108 #define TRACE_graal_2 if (!(TraceGraal >= 2 && (tty->print(" TraceGraal-2: "), true))) ; else tty->print_cr
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109 #define TRACE_graal_3 if (!(TraceGraal >= 3 && (tty->print(" TraceGraal-3: "), true))) ; else tty->print_cr
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110 #define TRACE_graal_4 if (!(TraceGraal >= 4 && (tty->print(" TraceGraal-4: "), true))) ; else tty->print_cr
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111 #define TRACE_graal_5 if (!(TraceGraal >= 5 && (tty->print(" TraceGraal-5: "), true))) ; else tty->print_cr
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114