Mercurial > hg > truffle
annotate src/share/vm/compiler/abstractCompiler.hpp @ 18550:bbf27a6ffb52
add graph to context in TruffleCacheImpl.cacheLookup
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Wed, 26 Nov 2014 11:51:21 -0800 |
parents | 89152779163c |
children | be896a1983c0 |
rev | line source |
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0 | 1 /* |
17524 | 2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |
26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP | |
27 | |
28 #include "ci/compilerInterface.hpp" | |
29 | |
0 | 30 typedef void (*initializer)(void); |
31 | |
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32 #ifdef GRAAL |
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33 // Per-compiler statistics |
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34 class CompilerStatistics VALUE_OBJ_CLASS_SPEC { |
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35 friend class VMStructs; |
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36 |
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37 class Data VALUE_OBJ_CLASS_SPEC { |
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38 friend class VMStructs; |
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39 public: |
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40 elapsedTimer _time; // time spent compiling |
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41 int _bytes; // number of bytecodes compiled, including inlined bytecodes |
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42 int _count; // number of compilations |
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43 Data() : _bytes(0), _count(0) {} |
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44 void update(elapsedTimer time, int bytes) { |
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45 _time.add(time); |
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46 _bytes += bytes; |
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47 _count++; |
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48 } |
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49 void reset() { |
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50 _time.reset(); |
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51 } |
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52 }; |
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53 |
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54 public: |
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55 Data _standard; // stats for non-OSR compilations |
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56 Data _osr; // stats for OSR compilations |
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57 int _nmethods_size; // |
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58 int _nmethods_code_size; |
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59 int bytes_per_second() { |
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60 int bytes = _standard._bytes + _osr._bytes; |
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61 if (bytes == 0) { |
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62 return 0; |
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63 } |
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64 double seconds = _standard._time.seconds() + _osr._time.seconds(); |
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65 return seconds == 0.0 ? 0 : (int) (bytes / seconds); |
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66 } |
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67 CompilerStatistics() : _nmethods_size(0), _nmethods_code_size(0) {} |
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68 }; |
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69 #endif |
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70 |
6197 | 71 class AbstractCompiler : public CHeapObj<mtCompiler> { |
0 | 72 private: |
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73 volatile int _num_compiler_threads; |
0 | 74 |
75 protected: | |
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76 volatile int _compiler_state; |
0 | 77 // Used for tracking global state of compiler runtime initialization |
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78 enum { uninitialized, initializing, initialized, failed, shut_down }; |
0 | 79 |
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80 // This method returns true for the first compiler thread that reaches that methods. |
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81 // This thread will initialize the compiler runtime. |
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82 bool should_perform_init(); |
0 | 83 |
14909 | 84 // The (closed set) of concrete compiler classes. Using an tag like this |
85 // avoids a confusing use of macros around the definition of the | |
86 // 'is_<compiler type>' methods. | |
87 enum Type { c1, c2, shark, graal }; | |
14225 | 88 |
89 private: | |
90 Type _type; | |
91 | |
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92 #ifdef GRAAL |
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93 CompilerStatistics _stats; |
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94 #endif |
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95 |
0 | 96 public: |
14225 | 97 AbstractCompiler(Type type) : _type(type), _compiler_state(uninitialized), _num_compiler_threads(0) {} |
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98 |
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99 // This function determines the compiler thread that will perform the |
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100 // shutdown of the corresponding compiler runtime. |
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101 bool should_perform_shutdown(); |
0 | 102 |
103 // Name of this compiler | |
104 virtual const char* name() = 0; | |
105 | |
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106 // Should a native wrapper be generated by the runtime. This method |
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107 // does *not* answer the question "can this compiler generate code for |
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108 // a native method". |
0 | 109 virtual bool supports_native() { return true; } |
110 virtual bool supports_osr () { return true; } | |
7601 | 111 virtual bool can_compile_method(methodHandle method) { return true; } |
14909 | 112 bool is_c1 () { return _type == c1; } |
113 bool is_c2 () { return _type == c2; } | |
14225 | 114 bool is_shark() { return _type == shark; } |
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115 bool is_graal() { return _type == graal; } |
0 | 116 |
117 // Customization | |
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118 virtual void initialize () = 0; |
0 | 119 |
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120 void set_num_compiler_threads(int num) { _num_compiler_threads = num; } |
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121 int num_compiler_threads() { return _num_compiler_threads; } |
0 | 122 |
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123 // Get/set state of compiler objects |
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124 bool is_initialized() { return _compiler_state == initialized; } |
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125 bool is_failed () { return _compiler_state == failed;} |
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126 void set_state (int state); |
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127 void set_shut_down () { set_state(shut_down); } |
0 | 128 // Compilation entry point for methods |
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129 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { |
0 | 130 ShouldNotReachHere(); |
131 } | |
132 | |
133 | |
134 // Print compilation timers and statistics | |
135 virtual void print_timers() { | |
136 ShouldNotReachHere(); | |
137 } | |
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138 |
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139 #ifdef GRAAL |
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140 CompilerStatistics* stats() { return &_stats; } |
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141 #endif |
0 | 142 }; |
1972 | 143 |
144 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |