Mercurial > hg > truffle
annotate src/share/vm/interpreter/cppInterpreter.cpp @ 9126:bc26f978b0ce
HotSpotResolvedObjectType: implement hasFinalizeSubclass() correctly
don't use the (wrong) cached value, but ask the runtime on each request.
Fixes regression on xml.* benchmarks @ specjvm2008. The problem was:
After the constructor of Object was deoptimized due to an assumption violation,
it was recompiled again after some time. However, on recompilation, the value
of hasFinalizeSubclass for the class was not updated and it was compiled again
with a, now wrong, assumption, which then triggers deoptimization again.
This was repeated until it hit the recompilation limit (defined by
PerMethodRecompilationCutoff), and therefore only executed by the interpreter
from now on, causing the performance regression.
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Mon, 15 Apr 2013 19:54:58 +0200 |
parents | a3e2f723f2a5 |
children |
rev | line source |
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0 | 1 /* |
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e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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2 * Copyright (c) 1997, 2011, 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 | |
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13 * accompanied this code). | |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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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 #include "precompiled.hpp" |
26 #include "interpreter/bytecodeInterpreter.hpp" | |
27 #include "interpreter/interpreter.hpp" | |
28 #include "interpreter/interpreterGenerator.hpp" | |
29 #include "interpreter/interpreterRuntime.hpp" | |
0 | 30 |
31 #ifdef CC_INTERP | |
32 # define __ _masm-> | |
33 | |
34 void CppInterpreter::initialize() { | |
35 if (_code != NULL) return; | |
36 AbstractInterpreter::initialize(); | |
37 | |
38 // generate interpreter | |
39 { ResourceMark rm; | |
40 TraceTime timer("Interpreter generation", TraceStartupTime); | |
41 int code_size = InterpreterCodeSize; | |
42 NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space | |
43 _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL, | |
44 "Interpreter"); | |
45 InterpreterGenerator g(_code); | |
46 if (PrintInterpreter) print(); | |
47 } | |
48 | |
49 | |
50 // Allow c++ interpreter to do one initialization now that switches are set, etc. | |
51 BytecodeInterpreter start_msg(BytecodeInterpreter::initialize); | |
52 if (JvmtiExport::can_post_interpreter_events()) | |
53 BytecodeInterpreter::runWithChecks(&start_msg); | |
54 else | |
55 BytecodeInterpreter::run(&start_msg); | |
56 } | |
57 | |
58 | |
59 address CppInterpreter::_tosca_to_stack [AbstractInterpreter::number_of_result_handlers]; | |
60 address CppInterpreter::_stack_to_stack [AbstractInterpreter::number_of_result_handlers]; | |
61 address CppInterpreter::_stack_to_native_abi [AbstractInterpreter::number_of_result_handlers]; | |
62 | |
63 CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) { | |
64 } | |
65 | |
66 static const BasicType types[Interpreter::number_of_result_handlers] = { | |
67 T_BOOLEAN, | |
68 T_CHAR , | |
69 T_BYTE , | |
70 T_SHORT , | |
71 T_INT , | |
72 T_LONG , | |
73 T_VOID , | |
74 T_FLOAT , | |
75 T_DOUBLE , | |
76 T_OBJECT | |
77 }; | |
78 | |
79 void CppInterpreterGenerator::generate_all() { | |
80 AbstractInterpreterGenerator::generate_all(); | |
81 | |
82 { CodeletMark cm(_masm, "result handlers for native calls"); | |
83 // The various result converter stublets. | |
84 int is_generated[Interpreter::number_of_result_handlers]; | |
85 memset(is_generated, 0, sizeof(is_generated)); | |
86 int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers]; | |
87 int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers]; | |
88 int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers]; | |
89 | |
90 memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated)); | |
91 memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated)); | |
92 memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated)); | |
93 for (int i = 0; i < Interpreter::number_of_result_handlers; i++) { | |
94 BasicType type = types[i]; | |
95 if (!is_generated[Interpreter::BasicType_as_index(type)]++) { | |
96 Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type); | |
97 } | |
98 if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) { | |
99 Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type); | |
100 } | |
101 if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) { | |
102 Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type); | |
103 } | |
104 if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) { | |
105 Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type); | |
106 } | |
107 } | |
108 } | |
109 | |
110 | |
111 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind) | |
112 | |
113 { CodeletMark cm(_masm, "(kind = frame_manager)"); | |
114 // all non-native method kinds | |
115 method_entry(zerolocals); | |
116 method_entry(zerolocals_synchronized); | |
117 method_entry(empty); | |
118 method_entry(accessor); | |
119 method_entry(abstract); | |
120 method_entry(java_lang_math_sin ); | |
121 method_entry(java_lang_math_cos ); | |
122 method_entry(java_lang_math_tan ); | |
123 method_entry(java_lang_math_abs ); | |
124 method_entry(java_lang_math_sqrt ); | |
125 method_entry(java_lang_math_log ); | |
126 method_entry(java_lang_math_log10 ); | |
6926 | 127 method_entry(java_lang_math_pow ); |
128 method_entry(java_lang_math_exp ); | |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
1972
diff
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129 method_entry(java_lang_ref_reference_get); |
6926 | 130 |
131 initialize_method_handle_entries(); | |
132 | |
0 | 133 Interpreter::_native_entry_begin = Interpreter::code()->code_end(); |
134 method_entry(native); | |
135 method_entry(native_synchronized); | |
136 Interpreter::_native_entry_end = Interpreter::code()->code_end(); | |
137 } | |
138 | |
139 | |
140 #undef method_entry | |
141 | |
142 } | |
143 | |
144 #endif // CC_INTERP |