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comparison src/share/vm/c1/c1_IR.cpp @ 17980:0bf37f737702

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8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9 Summary: make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points. Reviewed-by: twisti, kvn
author roland
date Tue, 01 Apr 2014 09:36:49 +0200
parents 55fb97c4c58d
children 52b4284cb496
comparison
equal deleted inserted replaced
17978:ad51f24671c2 17980:0bf37f737702
224 224
225 VMReg name = frame_map()->regname(opr); 225 VMReg name = frame_map()->regname(opr);
226 _oop_map->set_oop(name); 226 _oop_map->set_oop(name);
227 } 227 }
228 228
229 229 // Mirror the stack size calculation in the deopt code
230 230 // How much stack space would we need at this point in the program in
231 // case of deoptimization?
232 int CodeEmitInfo::interpreter_frame_size() const {
233 ValueStack* state = _stack;
234 int size = 0;
235 int callee_parameters = 0;
236 int callee_locals = 0;
237 int extra_args = state->scope()->method()->max_stack() - state->stack_size();
238
239 while (state != NULL) {
240 int locks = state->locks_size();
241 int temps = state->stack_size();
242 bool is_top_frame = (state == _stack);
243 ciMethod* method = state->scope()->method();
244
245 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
246 temps + callee_parameters,
247 extra_args,
248 locks,
249 callee_parameters,
250 callee_locals,
251 is_top_frame);
252 size += frame_size;
253
254 callee_parameters = method->size_of_parameters();
255 callee_locals = method->max_locals();
256 extra_args = 0;
257 state = state->caller_state();
258 }
259 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
260 }
231 261
232 // Implementation of IR 262 // Implementation of IR
233 263
234 IR::IR(Compilation* compilation, ciMethod* method, int osr_bci) : 264 IR::IR(Compilation* compilation, ciMethod* method, int osr_bci) :
235 _locals_size(in_WordSize(-1)) 265 _locals_size(in_WordSize(-1))