Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/cardTableRS.cpp
src/share/vm/memory/cardTableRS.cpp
- changeset 9465
- 1556c6d89036
- parent 9138
- b56ab8e56604
equal
deleted
inserted
replaced
| 9464:117cf4377bf4 | 9465:1556c6d89036 |
|---|---|
| 250 // prev-younger-gen ==> cur_youngergen_and_prev_nonclean_card | 250 // prev-younger-gen ==> cur_youngergen_and_prev_nonclean_card |
| 251 // cur-younger-gen ==> cur_younger_gen | 251 // cur-younger-gen ==> cur_younger_gen |
| 252 // cur_youngergen_and_prev_nonclean_card ==> no change. | 252 // cur_youngergen_and_prev_nonclean_card ==> no change. |
| 253 void CardTableRS::write_ref_field_gc_par(void* field, oop new_val) { | 253 void CardTableRS::write_ref_field_gc_par(void* field, oop new_val) { |
| 254 jbyte* entry = ct_bs()->byte_for(field); | 254 jbyte* entry = ct_bs()->byte_for(field); |
| 255 #ifdef MIPS | 255 #if defined MIPS && !defined ZERO |
| 256 if (UseSyncLevel >= 2000) OrderAccess::fence(); | 256 if (UseSyncLevel >= 2000) OrderAccess::fence(); |
| 257 #endif | 257 #endif |
| 258 do { | 258 do { |
| 259 jbyte entry_val = *entry; | 259 jbyte entry_val = *entry; |
| 260 // We put this first because it's probably the most common case. | 260 // We put this first because it's probably the most common case. |
| 268 // eventually remove the previous stuff. | 268 // eventually remove the previous stuff. |
| 269 jbyte new_val = cur_youngergen_and_prev_nonclean_card; | 269 jbyte new_val = cur_youngergen_and_prev_nonclean_card; |
| 270 jbyte res = Atomic::cmpxchg(new_val, entry, entry_val); | 270 jbyte res = Atomic::cmpxchg(new_val, entry, entry_val); |
| 271 // Did the CAS succeed? | 271 // Did the CAS succeed? |
| 272 if (res == entry_val) { | 272 if (res == entry_val) { |
| 273 #ifdef MIPS | 273 #if defined MIPS && !defined ZERO |
| 274 if (UseSyncLevel >= 2000) OrderAccess::fence(); | 274 if (UseSyncLevel >= 2000) OrderAccess::fence(); |
| 275 #endif | 275 #endif |
| 276 return; | 276 return; |
| 277 } | 277 } |
| 278 // Otherwise, retry, to see the new value. | 278 // Otherwise, retry, to see the new value. |
| 279 continue; | 279 continue; |
| 280 } else { | 280 } else { |
