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comparison src/share/vm/ci/ciMethodData.hpp @ 45:48a3fa21394b

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6667615: (Escape Analysis) extend MDO to cache arguments escape state Summary: Use MDO to cache arguments escape state determined by the byte code escape analyzer. Reviewed-by: never
author kvn
date Tue, 11 Mar 2008 19:00:38 -0700
parents a61af66fc99e
children d1605aabd0a1
comparison
equal deleted inserted replaced
44:52fed2ec0afb 45:48a3fa21394b
28 class ciReceiverTypeData; 28 class ciReceiverTypeData;
29 class ciRetData; 29 class ciRetData;
30 class ciBranchData; 30 class ciBranchData;
31 class ciArrayData; 31 class ciArrayData;
32 class ciMultiBranchData; 32 class ciMultiBranchData;
33 class ciArgInfoData;
33 34
34 typedef ProfileData ciProfileData; 35 typedef ProfileData ciProfileData;
35 36
36 class ciBitData : public BitData { 37 class ciBitData : public BitData {
37 public: 38 public:
119 class ciMultiBranchData : public MultiBranchData { 120 class ciMultiBranchData : public MultiBranchData {
120 public: 121 public:
121 ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; 122 ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {};
122 }; 123 };
123 124
125 class ciArgInfoData : public ArgInfoData {
126 public:
127 ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {};
128 };
129
124 // ciMethodData 130 // ciMethodData
125 // 131 //
126 // This class represents a methodDataOop in the HotSpot virtual 132 // This class represents a methodDataOop in the HotSpot virtual
127 // machine. 133 // machine.
128 134
161 167
162 ciMethodData(methodDataHandle h_md); 168 ciMethodData(methodDataHandle h_md);
163 ciMethodData(); 169 ciMethodData();
164 170
165 // Accessors 171 // Accessors
166 int data_size() { return _data_size; } 172 int data_size() const { return _data_size; }
167 int extra_data_size() { return _extra_data_size; } 173 int extra_data_size() const { return _extra_data_size; }
168 intptr_t * data() { return _data; } 174 intptr_t * data() const { return _data; }
169 175
170 methodDataOop get_methodDataOop() const { 176 methodDataOop get_methodDataOop() const {
171 if (handle() == NULL) return NULL; 177 if (handle() == NULL) return NULL;
172 methodDataOop mdo = (methodDataOop)get_oop(); 178 methodDataOop mdo = (methodDataOop)get_oop();
173 assert(mdo != NULL, "illegal use of unloaded method data"); 179 assert(mdo != NULL, "illegal use of unloaded method data");
176 182
177 const char* type_string() { return "ciMethodData"; } 183 const char* type_string() { return "ciMethodData"; }
178 184
179 void print_impl(outputStream* st); 185 void print_impl(outputStream* st);
180 186
181 DataLayout* data_layout_at(int data_index) { 187 DataLayout* data_layout_at(int data_index) const {
182 assert(data_index % sizeof(intptr_t) == 0, "unaligned"); 188 assert(data_index % sizeof(intptr_t) == 0, "unaligned");
183 return (DataLayout*) (((address)_data) + data_index); 189 return (DataLayout*) (((address)_data) + data_index);
184 } 190 }
185 191
186 bool out_of_bounds(int data_index) { 192 bool out_of_bounds(int data_index) {
205 211
206 212
207 // What is the index of the first data entry? 213 // What is the index of the first data entry?
208 int first_di() { return 0; } 214 int first_di() { return 0; }
209 215
216 ciArgInfoData *arg_info() const;
217
210 public: 218 public:
211 bool is_method_data() { return true; } 219 bool is_method_data() { return true; }
212 bool is_empty() { return _state == empty_state; } 220 bool is_empty() { return _state == empty_state; }
213 bool is_mature() { return _state == mature_state; } 221 bool is_mature() { return _state == mature_state; }
214 222
268 bool eflag_set(methodDataOopDesc::EscapeFlag f) const; 276 bool eflag_set(methodDataOopDesc::EscapeFlag f) const;
269 277
270 void set_arg_local(int i); 278 void set_arg_local(int i);
271 void set_arg_stack(int i); 279 void set_arg_stack(int i);
272 void set_arg_returned(int i); 280 void set_arg_returned(int i);
281 void set_arg_modified(int arg, uint val);
273 282
274 bool is_arg_local(int i) const; 283 bool is_arg_local(int i) const;
275 bool is_arg_stack(int i) const; 284 bool is_arg_stack(int i) const;
276 bool is_arg_returned(int i) const; 285 bool is_arg_returned(int i) const;
286 uint arg_modified(int arg) const;
277 287
278 // Code generation helper 288 // Code generation helper
279 ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); 289 ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data);
280 int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } 290 int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); }
281 291