187 Value pop(ValueType* type) {
188 switch (type->tag()) {
189 case intTag : return ipop();
190 case longTag : return lpop();
191 case floatTag : return fpop();
192 case doubleTag : return dpop();
193 case objectTag : return apop();
194 case addressTag: return rpop();
195 default : ShouldNotReachHere(); return NULL;
196 }
197 }
198
199 Values* pop_arguments(int argument_size);
200
201 // locks access
202 int lock (Value obj);
203 int unlock();
204 Value lock_at(int i) const { return _locks.at(i); }
205
206 // SSA form IR support
207 void setup_phi_for_stack(BlockBegin* b, int index);
208 void setup_phi_for_local(BlockBegin* b, int index);
209
210 // debugging
211 void print() PRODUCT_RETURN;
212 void verify() PRODUCT_RETURN;
213 };
214
215
216
217 // Macro definitions for simple iteration of stack and local values of a ValueStack
218 // The macros can be used like a for-loop. All variables (state, index and value)
219 // must be defined before the loop.
220 // When states are nested because of inlining, the stack of the innermost state
221 // cumulates also the stack of the nested states. In contrast, the locals of all
222 // states must be iterated each.
223 // Use the following code pattern to iterate all stack values and all nested local values:
224 //
225 // ValueStack* state = ... // state that is iterated
226 // int index; // current loop index (overwritten in loop)
227 // Value value; // value at current loop index (overwritten in loop)
228 //
|
187 Value pop(ValueType* type) {
188 switch (type->tag()) {
189 case intTag : return ipop();
190 case longTag : return lpop();
191 case floatTag : return fpop();
192 case doubleTag : return dpop();
193 case objectTag : return apop();
194 case addressTag: return rpop();
195 default : ShouldNotReachHere(); return NULL;
196 }
197 }
198
199 Values* pop_arguments(int argument_size);
200
201 // locks access
202 int lock (Value obj);
203 int unlock();
204 Value lock_at(int i) const { return _locks.at(i); }
205
206 // SSA form IR support
207 void setup_phi_for_stack(BlockBegin* b, int index, Value existing_value, Value new_value);
208 void setup_phi_for_local(BlockBegin* b, int index, Value existing_value, Value new_value);
209
210 ciType* merge_if_flattened_array_types(Value existing_value, Value new_value);
211
212 // debugging
213 void print() PRODUCT_RETURN;
214 void verify() PRODUCT_RETURN;
215 };
216
217
218
219 // Macro definitions for simple iteration of stack and local values of a ValueStack
220 // The macros can be used like a for-loop. All variables (state, index and value)
221 // must be defined before the loop.
222 // When states are nested because of inlining, the stack of the innermost state
223 // cumulates also the stack of the nested states. In contrast, the locals of all
224 // states must be iterated each.
225 // Use the following code pattern to iterate all stack values and all nested local values:
226 //
227 // ValueStack* state = ... // state that is iterated
228 // int index; // current loop index (overwritten in loop)
229 // Value value; // value at current loop index (overwritten in loop)
230 //
|