Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/graphKit.cpp
src/share/vm/opto/graphKit.cpp
- changeset 1462
- 39b01ab7035a
- parent 1420
- 685e959d09ea
- child 1515
- 7c57aead6d3e
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replaced
| 1460:1ee412f7fec9 | 1462:39b01ab7035a |
|---|---|
| 3184 && Universe::heap()->can_elide_permanent_oop_store_barriers()) | 3184 && Universe::heap()->can_elide_permanent_oop_store_barriers()) |
| 3185 // no store barrier needed, because no old-to-new ref created | 3185 // no store barrier needed, because no old-to-new ref created |
| 3186 return; | 3186 return; |
| 3187 } | 3187 } |
| 3188 | 3188 |
| 3189 if (use_ReduceInitialCardMarks() | |
| 3190 && obj == just_allocated_object(control())) { | |
| 3191 // We can skip marks on a freshly-allocated object in Eden. | |
| 3192 // Keep this code in sync with maybe_defer_card_mark() in runtime.cpp. | |
| 3193 // That routine informs GC to take appropriate compensating steps | |
| 3194 // so as to make this card-mark elision safe. | |
| 3195 return; | |
| 3196 } | |
| 3197 | |
| 3189 if (!use_precise) { | 3198 if (!use_precise) { |
| 3190 // All card marks for a (non-array) instance are in one place: | 3199 // All card marks for a (non-array) instance are in one place: |
| 3191 adr = obj; | 3200 adr = obj; |
| 3192 } | 3201 } |
| 3193 // (Else it's an array (or unknown), and we want more precise card marks.) | 3202 // (Else it's an array (or unknown), and we want more precise card marks.) |
