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1 /* |
1 /* |
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
20 * or visit www.oracle.com if you need additional information or have any |
20 * or visit www.oracle.com if you need additional information or have any |
21 * questions. |
21 * questions. |
22 * |
22 * |
23 */ |
23 */ |
24 |
24 |
25 #ifndef SHARE_VM_RUNTIME_PREFETCH_HPP |
25 #ifndef SHARE_RUNTIME_PREFETCH_HPP |
26 #define SHARE_VM_RUNTIME_PREFETCH_HPP |
26 #define SHARE_RUNTIME_PREFETCH_HPP |
27 |
27 |
28 #include "memory/allocation.hpp" |
28 #include "memory/allocation.hpp" |
29 |
29 |
30 // If calls to prefetch methods are in a loop, the loop should be cloned |
30 // If calls to prefetch methods are in a loop, the loop should be cloned |
31 // such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval |
31 // such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval |
46 |
46 |
47 // Prefetch anticipating write; must not fault, semantically a no-op |
47 // Prefetch anticipating write; must not fault, semantically a no-op |
48 static void write(void* loc, intx interval); |
48 static void write(void* loc, intx interval); |
49 }; |
49 }; |
50 |
50 |
51 #endif // SHARE_VM_RUNTIME_PREFETCH_HPP |
51 #endif // SHARE_RUNTIME_PREFETCH_HPP |