Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/shared/parGCAllocBuffer.inline.hpp @ 20317:ee019285a52c
8031323: Optionally align objects copied to survivor spaces
Reviewed-by: brutisso, tschatzl
author | jmasa |
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date | Mon, 04 Aug 2014 10:48:10 -0700 |
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20316:3c048df3ef8b | 20317:ee019285a52c |
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1 /* | |
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
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 | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_PARGCALLOCBUFFER_INLINE_HPP | |
26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_PARGCALLOCBUFFER_INLINE_HPP | |
27 | |
28 #include "gc_implementation/shared/parGCAllocBuffer.hpp" | |
29 #include "gc_interface/collectedHeap.inline.hpp" | |
30 | |
31 HeapWord* ParGCAllocBuffer::allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes) { | |
32 | |
33 HeapWord* res = CollectedHeap::align_allocation_or_fail(_top, _end, alignment_in_bytes); | |
34 if (res == NULL) { | |
35 return NULL; | |
36 } | |
37 | |
38 // Set _top so that allocate(), which expects _top to be correctly set, | |
39 // can be used below. | |
40 _top = res; | |
41 return allocate(word_sz); | |
42 } | |
43 | |
44 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_PARGCALLOCBUFFER_INLINE_HPP |