Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp
src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp
- changeset 5784
- 190899198332
- parent 5341
- b30744960351
- child 5820
- 798522662fcd
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| 5783:c1fbf21c7397 | 5784:190899198332 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 93 | 93 |
| 94 void | 94 void |
| 95 G1SATBCardTableLoggingModRefBS::write_ref_field_static(void* field, | 95 G1SATBCardTableLoggingModRefBS::write_ref_field_static(void* field, |
| 96 oop new_val) { | 96 oop new_val) { |
| 97 uintptr_t field_uint = (uintptr_t)field; | 97 uintptr_t field_uint = (uintptr_t)field; |
| 98 uintptr_t new_val_uint = (uintptr_t)new_val; | 98 uintptr_t new_val_uint = cast_from_oop<uintptr_t>(new_val); |
| 99 uintptr_t comb = field_uint ^ new_val_uint; | 99 uintptr_t comb = field_uint ^ new_val_uint; |
| 100 comb = comb >> HeapRegion::LogOfHRGrainBytes; | 100 comb = comb >> HeapRegion::LogOfHRGrainBytes; |
| 101 if (comb == 0) return; | 101 if (comb == 0) return; |
| 102 if (new_val == NULL) return; | 102 if (new_val == NULL) return; |
| 103 // Otherwise, log it. | 103 // Otherwise, log it. |
