Mercurial > hg > truffle
annotate src/share/vm/compiler/abstractCompiler.hpp @ 15177:66e3af78ea96
HSAIL: added safepoint support
Contributed-by: Eric Caspole <eric.caspole@amd.com>
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 17 Apr 2014 00:44:32 +0200 |
parents | 4ca6dc0799b6 |
children | 66a9286203a2 |
rev | line source |
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0 | 1 /* |
14909 | 2 * Copyright (c) 1999, 2012, 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 * | |
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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 }; |
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50 |
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51 public: |
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52 Data _standard; // stats for non-OSR compilations |
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53 Data _osr; // stats for OSR compilations |
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54 int _nmethods_size; // |
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55 int _nmethods_code_size; |
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56 int bytes_per_second() { |
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57 int bytes = _standard._bytes + _osr._bytes; |
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58 if (bytes == 0) { |
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59 return 0; |
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60 } |
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61 double seconds = _standard._time.seconds() + _osr._time.seconds(); |
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62 return seconds == 0.0 ? 0 : (int) (bytes / seconds); |
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63 } |
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64 CompilerStatistics() : _nmethods_size(0), _nmethods_code_size(0) {} |
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65 }; |
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66 #endif |
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67 |
6197 | 68 class AbstractCompiler : public CHeapObj<mtCompiler> { |
0 | 69 private: |
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70 volatile int _num_compiler_threads; |
0 | 71 |
72 protected: | |
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73 volatile int _compiler_state; |
0 | 74 // Used for tracking global state of compiler runtime initialization |
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75 enum { uninitialized, initializing, initialized, failed, shut_down }; |
0 | 76 |
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77 // This method returns true for the first compiler thread that reaches that methods. |
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78 // This thread will initialize the compiler runtime. |
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79 bool should_perform_init(); |
0 | 80 |
14909 | 81 // The (closed set) of concrete compiler classes. Using an tag like this |
82 // avoids a confusing use of macros around the definition of the | |
83 // 'is_<compiler type>' methods. | |
84 enum Type { c1, c2, shark, graal }; | |
14225 | 85 |
86 private: | |
87 Type _type; | |
88 | |
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89 #ifdef GRAAL |
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90 CompilerStatistics _stats; |
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91 #endif |
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92 |
0 | 93 public: |
14225 | 94 AbstractCompiler(Type type) : _type(type), _compiler_state(uninitialized), _num_compiler_threads(0) {} |
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95 |
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96 // This function determines the compiler thread that will perform the |
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97 // shutdown of the corresponding compiler runtime. |
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98 bool should_perform_shutdown(); |
0 | 99 |
100 // Name of this compiler | |
101 virtual const char* name() = 0; | |
102 | |
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103 // Should a native wrapper be generated by the runtime. This method |
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104 // does *not* answer the question "can this compiler generate code for |
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105 // a native method". |
0 | 106 virtual bool supports_native() { return true; } |
107 virtual bool supports_osr () { return true; } | |
7601 | 108 virtual bool can_compile_method(methodHandle method) { return true; } |
14909 | 109 bool is_c1 () { return _type == c1; } |
110 bool is_c2 () { return _type == c2; } | |
14225 | 111 bool is_shark() { return _type == shark; } |
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112 bool is_graal() { return _type == graal; } |
0 | 113 |
114 // Customization | |
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115 virtual void initialize () = 0; |
0 | 116 |
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117 void set_num_compiler_threads(int num) { _num_compiler_threads = num; } |
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118 int num_compiler_threads() { return _num_compiler_threads; } |
0 | 119 |
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120 // Get/set state of compiler objects |
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121 bool is_initialized() { return _compiler_state == initialized; } |
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122 bool is_failed () { return _compiler_state == failed;} |
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123 void set_state (int state); |
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124 void set_shut_down () { set_state(shut_down); } |
0 | 125 // Compilation entry point for methods |
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126 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { |
0 | 127 ShouldNotReachHere(); |
128 } | |
129 | |
130 | |
131 // Print compilation timers and statistics | |
132 virtual void print_timers() { | |
133 ShouldNotReachHere(); | |
134 } | |
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135 |
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136 #ifdef GRAAL |
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137 CompilerStatistics* stats() { return &_stats; } |
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138 #endif |
0 | 139 }; |
1972 | 140 |
141 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |