Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/javaCalls.hpp @ 1506:2338d41fbd81
6943304: remove tagged stack interpreter
Reviewed-by: coleenp, never, gbenson
author | twisti |
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date | Fri, 30 Apr 2010 08:37:24 -0700 |
parents | ad8c8ca4ab0f |
children | c18cbe5936b8 |
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1505:0c5b3cf3c1f5 | 1506:2338d41fbd81 |
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64 enum Constants { | 64 enum Constants { |
65 _default_size = 8 // Must be at least # of arguments in JavaCalls methods | 65 _default_size = 8 // Must be at least # of arguments in JavaCalls methods |
66 }; | 66 }; |
67 | 67 |
68 intptr_t _value_buffer [_default_size + 1]; | 68 intptr_t _value_buffer [_default_size + 1]; |
69 intptr_t _parameter_buffer [_default_size*2 + 1]; | |
70 bool _is_oop_buffer[_default_size + 1]; | 69 bool _is_oop_buffer[_default_size + 1]; |
71 | 70 |
72 intptr_t* _value; | 71 intptr_t* _value; |
73 intptr_t* _parameters; | |
74 bool* _is_oop; | 72 bool* _is_oop; |
75 int _size; | 73 int _size; |
76 int _max_size; | 74 int _max_size; |
77 bool _start_at_zero; // Support late setting of receiver | 75 bool _start_at_zero; // Support late setting of receiver |
78 | 76 |
79 void initialize() { | 77 void initialize() { |
80 // Starts at first element to support set_receiver. | 78 // Starts at first element to support set_receiver. |
81 _value = &_value_buffer[1]; | 79 _value = &_value_buffer[1]; |
82 _is_oop = &_is_oop_buffer[1]; | 80 _is_oop = &_is_oop_buffer[1]; |
83 | 81 |
84 _parameters = &_parameter_buffer[0]; | |
85 _max_size = _default_size; | 82 _max_size = _default_size; |
86 _size = 0; | 83 _size = 0; |
87 _start_at_zero = false; | 84 _start_at_zero = false; |
88 } | 85 } |
89 | 86 |
97 | 94 |
98 JavaCallArguments(int max_size) { | 95 JavaCallArguments(int max_size) { |
99 if (max_size > _default_size) { | 96 if (max_size > _default_size) { |
100 _value = NEW_RESOURCE_ARRAY(intptr_t, max_size + 1); | 97 _value = NEW_RESOURCE_ARRAY(intptr_t, max_size + 1); |
101 _is_oop = NEW_RESOURCE_ARRAY(bool, max_size + 1); | 98 _is_oop = NEW_RESOURCE_ARRAY(bool, max_size + 1); |
102 if (TaggedStackInterpreter) { | 99 |
103 _parameters = NEW_RESOURCE_ARRAY(intptr_t, max_size*2 + 1); | |
104 } | |
105 // Reserve room for potential receiver in value and is_oop | 100 // Reserve room for potential receiver in value and is_oop |
106 _value++; _is_oop++; | 101 _value++; _is_oop++; |
102 | |
107 _max_size = max_size; | 103 _max_size = max_size; |
108 _size = 0; | 104 _size = 0; |
109 _start_at_zero = false; | 105 _start_at_zero = false; |
110 } else { | 106 } else { |
111 initialize(); | 107 initialize(); |