Mercurial > hg > graal-compiler
annotate src/share/vm/compiler/abstractCompiler.hpp @ 12364:651cc32247d7
Add Graal option for deferring write barriers of eden allocated objects
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Fri, 11 Oct 2013 17:06:18 +0200 |
parents | 64f41765b3d2 |
children | 359f7e70ae7f |
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0 | 1 /* |
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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 class CompilerStatistics { |
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34 public: |
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35 elapsedTimer _t_osr_compilation; |
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36 elapsedTimer _t_standard_compilation; |
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37 int _sum_osr_bytes_compiled; |
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38 int _sum_standard_bytes_compiled; |
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39 CompilerStatistics() : _sum_osr_bytes_compiled(0), _sum_standard_bytes_compiled(0) {} |
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40 }; |
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41 #endif |
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42 |
6197 | 43 class AbstractCompiler : public CHeapObj<mtCompiler> { |
0 | 44 private: |
45 bool _is_initialized; // Mark whether compiler object is initialized | |
46 | |
47 protected: | |
48 // Used for tracking global state of compiler runtime initialization | |
49 enum { uninitialized, initializing, initialized }; | |
50 | |
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51 // The (closed set) of concrete compiler classes. Using an tag like this |
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52 // avoids a confusing use of macros around the definition of the |
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53 // 'is_<compiler type>' methods. |
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54 enum Type { c1, c2, shark, graal }; |
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55 |
0 | 56 // This method will call the initialization method "f" once (per compiler class/subclass) |
57 // and do so without holding any locks | |
58 void initialize_runtimes(initializer f, volatile int* state); | |
59 | |
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60 private: |
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61 Type _type; |
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62 |
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63 #ifdef GRAAL |
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64 CompilerStatistics _stats; |
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65 #endif |
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66 |
0 | 67 public: |
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68 AbstractCompiler(Type type) : _is_initialized(false), _type(type) {} |
0 | 69 |
70 // Name of this compiler | |
71 virtual const char* name() = 0; | |
72 | |
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73 // Should a native wrapper be generated by the runtime. This method |
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74 // does *not* answer the question "can this compiler generate code for |
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75 // a native method". |
0 | 76 virtual bool supports_native() { return true; } |
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77 |
0 | 78 virtual bool supports_osr () { return true; } |
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79 virtual bool can_compile_method(methodHandle method) { return true; } |
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80 bool is_c1 () { return _type == c1; } |
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81 bool is_c2 () { return _type == c2; } |
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82 bool is_shark() { return _type == shark; } |
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83 bool is_graal() { return _type == graal; } |
0 | 84 |
85 void mark_initialized() { _is_initialized = true; } | |
86 bool is_initialized() { return _is_initialized; } | |
87 | |
88 virtual void initialize() = 0; | |
89 | |
90 // Compilation entry point for methods | |
91 virtual void compile_method(ciEnv* env, | |
92 ciMethod* target, | |
93 int entry_bci) { | |
94 ShouldNotReachHere(); | |
95 } | |
96 | |
97 | |
98 // Print compilation timers and statistics | |
99 virtual void print_timers() { | |
100 ShouldNotReachHere(); | |
101 } | |
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102 |
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103 #ifdef GRAAL |
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104 CompilerStatistics* stats() { return &_stats; } |
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105 #endif |
0 | 106 }; |
1972 | 107 |
108 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |