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comparison src/share/vm/runtime/prefetch.hpp @ 1972:f95d63e2154a

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6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
parents c18cbe5936b8
children
comparison
equal deleted inserted replaced
1971:e33f46fc48ed 1972:f95d63e2154a
1 /* 1 /*
2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2003, 2010, 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
26 #define SHARE_VM_RUNTIME_PREFETCH_HPP
27
28 #include "memory/allocation.hpp"
29
25 // 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
26 // such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval 31 // such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval
27 // say not to do prefetching, these methods aren't called. At the very 32 // say not to do prefetching, these methods aren't called. At the very
28 // least, they take up a memory issue slot. They should be implemented 33 // least, they take up a memory issue slot. They should be implemented
29 // as inline assembly code: doing an actual call isn't worth the cost. 34 // as inline assembly code: doing an actual call isn't worth the cost.
40 static void read(void* loc, intx interval); 45 static void read(void* loc, intx interval);
41 46
42 // Prefetch anticipating write; must not fault, semantically a no-op 47 // Prefetch anticipating write; must not fault, semantically a no-op
43 static void write(void* loc, intx interval); 48 static void write(void* loc, intx interval);
44 }; 49 };
50
51 #endif // SHARE_VM_RUNTIME_PREFETCH_HPP