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comparison src/os_cpu/linux_sparc/vm/prefetch_linux_sparc.inline.hpp @ 133:435e64505015

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6693457: Open-source hotspot linux-sparc support Summary: Move os_cpu/linux_sparc from closed to open Reviewed-by: kamg
author phh
date Thu, 24 Apr 2008 15:07:57 -0400
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children d1605aabd0a1
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122:ec73d88d5b43 133:435e64505015
1 /*
2 * Copyright 2003-2007 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 #if defined(COMPILER2) || defined(_LP64)
26
27 inline void Prefetch::read(void *loc, intx interval) {
28 __asm__ volatile("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" );
29 }
30
31 inline void Prefetch::write(void *loc, intx interval) {
32 __asm__ volatile("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" );
33 }
34
35 #else
36
37 inline void Prefetch::read (void *loc, intx interval) {}
38 inline void Prefetch::write(void *loc, intx interval) {}
39
40 #endif