Mercurial > hg > truffle
annotate src/cpu/zero/vm/icache_zero.hpp @ 17709:f9e35a9dc8c7
8033792: AltHashing used jint for imprecise bit shifting
Summary: AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix by change _seed defined as juint.
Reviewed-by: coleenp, ccheung
Contributed-by: yumin.qi@oracle.com
author | minqi |
---|---|
date | Mon, 10 Feb 2014 21:29:14 -0800 |
parents | f95d63e2154a |
children |
rev | line source |
---|---|
1010 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
1010 | 3 * Copyright 2007, 2009 Red Hat, Inc. |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
5 * | |
6 * This code is free software; you can redistribute it and/or modify it | |
7 * under the terms of the GNU General Public License version 2 only, as | |
8 * published by the Free Software Foundation. | |
9 * | |
10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 * version 2 for more details (a copy is included in the LICENSE file that | |
14 * accompanied this code). | |
15 * | |
16 * You should have received a copy of the GNU General Public License version | |
17 * 2 along with this work; if not, write to the Free Software Foundation, | |
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
19 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1010
diff
changeset
|
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1010
diff
changeset
|
21 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1010
diff
changeset
|
22 * questions. |
1010 | 23 * |
24 */ | |
25 | |
1972 | 26 #ifndef CPU_ZERO_VM_ICACHE_ZERO_HPP |
27 #define CPU_ZERO_VM_ICACHE_ZERO_HPP | |
28 | |
1010 | 29 // Interface for updating the instruction cache. Whenever the VM |
30 // modifies code, part of the processor instruction cache potentially | |
31 // has to be flushed. This implementation is empty: Zero never deals | |
32 // with code, and LLVM handles cache flushing for Shark. | |
33 | |
34 class ICache : public AbstractICache { | |
35 public: | |
36 static void initialize() {} | |
37 static void invalidate_word(address addr) {} | |
38 static void invalidate_range(address start, int nbytes) {} | |
39 }; | |
1972 | 40 |
41 #endif // CPU_ZERO_VM_ICACHE_ZERO_HPP |