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comparison src/share/vm/memory/genCollectedHeap.hpp @ 1339:09ac706c2623

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Merge
author asaha
date Wed, 24 Mar 2010 17:16:33 -0700
parents 7b0e9cba0307
children c18cbe5936b8
comparison
equal deleted inserted replaced
1338:f5dd08ad65df 1339:09ac706c2623
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}