Mercurial > hg > graal-compiler
annotate src/share/vm/memory/barrierSet.cpp @ 1504:ae8f909e5fc7
6948602: Disable use of SSE4.2 in String.indexOf intrinsic until 6942326 is fixed
Summary: Disable the use of pcmpestri until it can be guaranteed that the load doesn't cross in to the uncommited space. See 6942326.
Reviewed-by: never, kvn
author | iveresov |
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date | Thu, 29 Apr 2010 17:53:58 -0700 |
parents | 6aa7255741f3 |
children | c18cbe5936b8 |
rev | line source |
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342 | 1 /* |
2 * Copyright 1997-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_barrierSet.cpp.incl" | |
27 | |
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28 // count is number of array elements being written |
342 | 29 void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) { |
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30 assert(count <= (size_t)max_intx, "count too large"); |
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31 #if 0 |
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32 warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t", |
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33 start, count); |
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34 #endif |
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35 if (UseCompressedOops) { |
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36 Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count); |
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37 } else { |
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38 Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count); |
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39 } |
342 | 40 } |
41 | |
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42 // count is number of array elements being written |
342 | 43 void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) { |
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44 // simply delegate to instance method |
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45 Universe::heap()->barrier_set()->write_ref_array(start, count); |
342 | 46 } |