Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/c1/c1_LIRGenerator.cpp
src/share/vm/c1/c1_LIRGenerator.cpp
- changeset 6668
- 45e59fae8f2b
- parent 6643
- ce9fd31ffd14
- child 6876
- 710a3c8b516e
- child 7058
- 2fd0fd493045
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| 6666:a062c3691003 | 6668:45e59fae8f2b |
|---|---|
| 2632 result = exact_signature_k; | 2632 result = exact_signature_k; |
| 2633 // Known statically. No need to emit any code: prevent | 2633 // Known statically. No need to emit any code: prevent |
| 2634 // LIR_Assembler::emit_profile_type() from emitting useless code | 2634 // LIR_Assembler::emit_profile_type() from emitting useless code |
| 2635 profiled_k = ciTypeEntries::with_status(result, profiled_k); | 2635 profiled_k = ciTypeEntries::with_status(result, profiled_k); |
| 2636 } | 2636 } |
| 2637 if (exact_signature_k != NULL && exact_klass != exact_signature_k) { | 2637 // exact_klass and exact_signature_k can be both non NULL but |
| 2638 assert(exact_klass == NULL, "obj and signature disagree?"); | 2638 // different if exact_klass is loaded after the ciObject for |
| 2639 // exact_signature_k is created. | |
| 2640 if (exact_klass == NULL && exact_signature_k != NULL && exact_klass != exact_signature_k) { | |
| 2639 // sometimes the type of the signature is better than the best type | 2641 // sometimes the type of the signature is better than the best type |
| 2640 // the compiler has | 2642 // the compiler has |
| 2641 exact_klass = exact_signature_k; | 2643 exact_klass = exact_signature_k; |
| 2642 } | 2644 } |
| 2643 if (callee_signature_k != NULL && | 2645 if (callee_signature_k != NULL && |
| 2644 callee_signature_k != signature_at_call_k) { | 2646 callee_signature_k != signature_at_call_k) { |
| 2645 ciKlass* improved_klass = callee_signature_k->exact_klass(); | 2647 ciKlass* improved_klass = callee_signature_k->exact_klass(); |
| 2646 if (improved_klass == NULL) { | 2648 if (improved_klass == NULL) { |
| 2647 improved_klass = comp->cha_exact_type(callee_signature_k); | 2649 improved_klass = comp->cha_exact_type(callee_signature_k); |
| 2648 } | 2650 } |
| 2649 if (improved_klass != NULL && exact_klass != improved_klass) { | 2651 if (exact_klass == NULL && improved_klass != NULL && exact_klass != improved_klass) { |
| 2650 assert(exact_klass == NULL, "obj and signature disagree?"); | |
| 2651 exact_klass = exact_signature_k; | 2652 exact_klass = exact_signature_k; |
| 2652 } | 2653 } |
| 2653 } | 2654 } |
| 2654 do_update = exact_klass == NULL || ciTypeEntries::valid_ciklass(profiled_k) != exact_klass; | 2655 do_update = exact_klass == NULL || ciTypeEntries::valid_ciklass(profiled_k) != exact_klass; |
| 2655 } | 2656 } |
