Mercurial > hg > truffle

comparison src/share/vm/runtime/deoptimization.hpp @ 18041:52b4284cb496

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge with jdk8u20-b26
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 15 Oct 2014 16:02:50 +0200
parents ada0a7729b6f 606acabe7b5c
children 810222d74f7c
comparison
equal deleted inserted replaced
17606:45d7b2c7029d 18041:52b4284cb496
70 Reason_constraint, // arbitrary runtime constraint violated 70 Reason_constraint, // arbitrary runtime constraint violated
71 Reason_div0_check, // a null_check due to division by zero 71 Reason_div0_check, // a null_check due to division by zero
72 Reason_age, // nmethod too old; tier threshold reached 72 Reason_age, // nmethod too old; tier threshold reached
73 Reason_predicate, // compiler generated predicate failed 73 Reason_predicate, // compiler generated predicate failed
74 Reason_loop_limit_check, // compiler generated loop limits check failed 74 Reason_loop_limit_check, // compiler generated loop limits check failed
75 Reason_speculate_class_check, // saw unexpected object class from type speculation
76 Reason_rtm_state_change, // rtm state change detected
75 #ifdef GRAAL 77 #ifdef GRAAL
76 Reason_aliasing, // optimistic assumption about aliasing failed 78 Reason_aliasing, // optimistic assumption about aliasing failed
77 Reason_transfer_to_interpreter, // explicit transferToInterpreter() 79 Reason_transfer_to_interpreter, // explicit transferToInterpreter()
78 #endif 80 #endif
79 Reason_LIMIT, 81 Reason_LIMIT,
351 static DeoptReason reason_recorded_per_bytecode_if_any(DeoptReason reason) { 353 static DeoptReason reason_recorded_per_bytecode_if_any(DeoptReason reason) {
352 if (reason_is_recorded_per_bytecode(reason)) 354 if (reason_is_recorded_per_bytecode(reason))
353 return reason; 355 return reason;
354 else if (reason == Reason_div0_check) // null check due to divide-by-zero? 356 else if (reason == Reason_div0_check) // null check due to divide-by-zero?
355 return Reason_null_check; // recorded per BCI as a null check 357 return Reason_null_check; // recorded per BCI as a null check
358 else if (reason == Reason_speculate_class_check)
359 return Reason_class_check;
356 else 360 else
357 return Reason_none; 361 return Reason_none;
362 }
363
364 static bool reason_is_speculate(int reason) {
365 if (reason == Reason_speculate_class_check) {
366 return true;
367 }
368 return false;
369 }
370
371 static uint per_method_trap_limit(int reason) {
372 return reason_is_speculate(reason) ? (uint)PerMethodSpecTrapLimit : (uint)PerMethodTrapLimit;
358 } 373 }
359 374
360 static const char* trap_reason_name(int reason); 375 static const char* trap_reason_name(int reason);
361 static const char* trap_action_name(int action); 376 static const char* trap_action_name(int action);
362 // Format like reason='foo' action='bar' index='123'. 377 // Format like reason='foo' action='bar' index='123'.
381 DeoptReason reason, 396 DeoptReason reason,
382 bool update_total_trap_count, 397 bool update_total_trap_count,
383 #ifdef GRAAL 398 #ifdef GRAAL
384 bool is_osr, 399 bool is_osr,
385 #endif 400 #endif
401 Method* compiled_method,
386 //outputs: 402 //outputs:
387 uint& ret_this_trap_count, 403 uint& ret_this_trap_count,
388 bool& ret_maybe_prior_trap, 404 bool& ret_maybe_prior_trap,
389 bool& ret_maybe_prior_recompile); 405 bool& ret_maybe_prior_recompile);
390 // class loading support for uncommon trap 406 // class loading support for uncommon trap