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src/share/vm/memory/barrierSet.inline.hpp@df6caf649ff7 (annotated)
src/share/vm/memory/barrierSet.inline.hpp
Tue, 14 Jul 2009 15:40:39 -0700
- author
- ysr
- date
- Tue, 14 Jul 2009 15:40:39 -0700
- changeset 1280
- df6caf649ff7
- parent 791
- 1ee8caae33af
- child 1526
- 6aa7255741f3
- permissions
- -rw-r--r--
6700789: G1: Enable use of compressed oops with G1 heaps
Summary: Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
| duke@435 | 1 | /* |
| xdono@631 | 2 | * Copyright 2001-2008 Sun Microsystems, Inc. All Rights Reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | // Inline functions of BarrierSet, which de-virtualize certain |
| ysr@1280 | 26 | // performance-critical calls when the barrier is the most common |
| duke@435 | 27 | // card-table kind. |
| duke@435 | 28 | |
| ysr@1280 | 29 | template <class T> void BarrierSet::write_ref_field_pre(T* field, oop new_val) { |
| ysr@777 | 30 | if (kind() == CardTableModRef) { |
| ysr@777 | 31 | ((CardTableModRefBS*)this)->inline_write_ref_field_pre(field, new_val); |
| ysr@777 | 32 | } else { |
| ysr@777 | 33 | write_ref_field_pre_work(field, new_val); |
| ysr@777 | 34 | } |
| ysr@777 | 35 | } |
| ysr@777 | 36 | |
| coleenp@548 | 37 | void BarrierSet::write_ref_field(void* field, oop new_val) { |
| duke@435 | 38 | if (kind() == CardTableModRef) { |
| duke@435 | 39 | ((CardTableModRefBS*)this)->inline_write_ref_field(field, new_val); |
| duke@435 | 40 | } else { |
| duke@435 | 41 | write_ref_field_work(field, new_val); |
| duke@435 | 42 | } |
| duke@435 | 43 | } |
| duke@435 | 44 | |
| duke@435 | 45 | void BarrierSet::write_ref_array(MemRegion mr) { |
| duke@435 | 46 | if (kind() == CardTableModRef) { |
| duke@435 | 47 | ((CardTableModRefBS*)this)->inline_write_ref_array(mr); |
| duke@435 | 48 | } else { |
| duke@435 | 49 | write_ref_array_work(mr); |
| duke@435 | 50 | } |
| duke@435 | 51 | } |
| duke@435 | 52 | |
| duke@435 | 53 | void BarrierSet::write_region(MemRegion mr) { |
| duke@435 | 54 | if (kind() == CardTableModRef) { |
| duke@435 | 55 | ((CardTableModRefBS*)this)->inline_write_region(mr); |
| duke@435 | 56 | } else { |
| duke@435 | 57 | write_region_work(mr); |
| duke@435 | 58 | } |
| duke@435 | 59 | } |
