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annotate src/os_cpu/solaris_sparc/vm/prefetch_solaris_sparc.inline.hpp @ 4997:0c9196f57172
use profiling information whenever possible
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Wed, 29 Feb 2012 19:20:15 -0800 |
parents | f95d63e2154a |
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rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP |
26 #define OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP | |
27 | |
28 #include "runtime/prefetch.hpp" | |
29 | |
0 | 30 #if defined(COMPILER2) || defined(_LP64) |
31 | |
32 // For Sun Studio inplementation is in solaris_sparc.il | |
33 // For gcc inplementation is just below | |
34 extern "C" void _Prefetch_read (void *loc, intx interval); | |
35 extern "C" void _Prefetch_write(void *loc, intx interval); | |
36 | |
37 inline void Prefetch::read(void *loc, intx interval) { | |
38 _Prefetch_read(loc, interval); | |
39 } | |
40 | |
41 inline void Prefetch::write(void *loc, intx interval) { | |
42 _Prefetch_write(loc, interval); | |
43 } | |
44 | |
45 #ifdef _GNU_SOURCE | |
46 extern "C" { | |
47 inline void _Prefetch_read (void *loc, intx interval) { | |
48 __asm__ volatile | |
49 ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" ); | |
50 } | |
51 inline void _Prefetch_write(void *loc, intx interval) { | |
52 __asm__ volatile | |
53 ("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" ); | |
54 } | |
55 } | |
56 #endif // _GNU_SOURCE | |
57 | |
58 #else // defined(COMPILER2) || defined(_LP64) | |
59 | |
60 inline void Prefetch::read (void *loc, intx interval) {} | |
61 inline void Prefetch::write(void *loc, intx interval) {} | |
62 | |
63 #endif // defined(COMPILER2) || defined(_LP64) | |
1972 | 64 |
65 #endif // OS_CPU_SOLARIS_SPARC_VM_PREFETCH_SOLARIS_SPARC_INLINE_HPP |