Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/cardTableModRefBS.hpp
src/share/vm/memory/cardTableModRefBS.hpp
- changeset 4037
- da91efe96a93
- parent 3687
- fd09f2d8283e
- child 4962
- 6f817ce50129
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| 4036:36d1d483d5d6 | 4037:da91efe96a93 |
|---|---|
| 283 | 283 |
| 284 // *** Barrier set functions. | 284 // *** Barrier set functions. |
| 285 | 285 |
| 286 bool has_write_ref_pre_barrier() { return false; } | 286 bool has_write_ref_pre_barrier() { return false; } |
| 287 | 287 |
| 288 inline bool write_ref_needs_barrier(void* field, oop new_val) { | |
| 289 // Note that this assumes the perm gen is the highest generation | |
| 290 // in the address space | |
| 291 return new_val != NULL && !new_val->is_perm(); | |
| 292 } | |
| 293 | |
| 294 // Record a reference update. Note that these versions are precise! | 288 // Record a reference update. Note that these versions are precise! |
| 295 // The scanning code has to handle the fact that the write barrier may be | 289 // The scanning code has to handle the fact that the write barrier may be |
| 296 // either precise or imprecise. We make non-virtual inline variants of | 290 // either precise or imprecise. We make non-virtual inline variants of |
| 297 // these functions here for performance. | 291 // these functions here for performance. |
| 298 protected: | 292 protected: |
