Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/genCollectedHeap.hpp
src/share/vm/memory/genCollectedHeap.hpp
- changeset 1463
- 052a899eec3e
- parent 1462
- 39b01ab7035a
- child 1601
- 7b0e9cba0307
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| 1462:39b01ab7035a | 1463:052a899eec3e |
|---|---|
| 264 // young gen and, a fortiori, for initializing stores to | 264 // young gen and, a fortiori, for initializing stores to |
| 265 // objects therein. This applies to {DefNew,ParNew}+{Tenured,CMS} | 265 // objects therein. This applies to {DefNew,ParNew}+{Tenured,CMS} |
| 266 // only and may need to be re-examined in case other | 266 // only and may need to be re-examined in case other |
| 267 // kinds of collectors are implemented in the future. | 267 // kinds of collectors are implemented in the future. |
| 268 virtual bool can_elide_initializing_store_barrier(oop new_obj) { | 268 virtual bool can_elide_initializing_store_barrier(oop new_obj) { |
| 269 assert(UseParNewGC || UseSerialGC || UseConcMarkSweepGC, | 269 // We wanted to assert that:- |
| 270 "Check can_elide_initializing_store_barrier() for this collector"); | 270 // assert(UseParNewGC || UseSerialGC || UseConcMarkSweepGC, |
| 271 // "Check can_elide_initializing_store_barrier() for this collector"); | |
| 272 // but unfortunately the flag UseSerialGC need not necessarily always | |
| 273 // be set when DefNew+Tenured are being used. | |
| 271 return is_in_youngest((void*)new_obj); | 274 return is_in_youngest((void*)new_obj); |
| 272 } | 275 } |
| 273 | 276 |
| 274 // Can a compiler elide a store barrier when it writes | 277 // Can a compiler elide a store barrier when it writes |
| 275 // a permanent oop into the heap? Applies when the compiler | 278 // a permanent oop into the heap? Applies when the compiler |
