Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/genCollectedHeap.hpp
src/share/vm/memory/genCollectedHeap.hpp
- changeset 1601
- 7b0e9cba0307
- parent 1463
- 052a899eec3e
- child 1907
- c18cbe5936b8
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| 1600:2dd52dea6d28 | 1601:7b0e9cba0307 |
|---|---|
| 256 // Can a compiler initialize a new object without store barriers? | 256 // Can a compiler initialize a new object without store barriers? |
| 257 // This permission only extends from the creation of a new object | 257 // This permission only extends from the creation of a new object |
| 258 // via a TLAB up to the first subsequent safepoint. | 258 // via a TLAB up to the first subsequent safepoint. |
| 259 virtual bool can_elide_tlab_store_barriers() const { | 259 virtual bool can_elide_tlab_store_barriers() const { |
| 260 return true; | 260 return true; |
| 261 } | |
| 262 | |
| 263 virtual bool card_mark_must_follow_store() const { | |
| 264 return UseConcMarkSweepGC; | |
| 261 } | 265 } |
| 262 | 266 |
| 263 // We don't need barriers for stores to objects in the | 267 // We don't need barriers for stores to objects in the |
| 264 // young gen and, a fortiori, for initializing stores to | 268 // young gen and, a fortiori, for initializing stores to |
| 265 // objects therein. This applies to {DefNew,ParNew}+{Tenured,CMS} | 269 // objects therein. This applies to {DefNew,ParNew}+{Tenured,CMS} |
