src/share/vm/runtime/prefetch.hpp
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*** 1,7 ****
/*
! * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 20,29 ****
--- 20,34 ----
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
+ #ifndef SHARE_VM_RUNTIME_PREFETCH_HPP
+ #define SHARE_VM_RUNTIME_PREFETCH_HPP
+
+ #include "memory/allocation.hpp"
+
// If calls to prefetch methods are in a loop, the loop should be cloned
// such that if Prefetch{Scan,Copy}Interval and/or PrefetchFieldInterval
// say not to do prefetching, these methods aren't called. At the very
// least, they take up a memory issue slot. They should be implemented
// as inline assembly code: doing an actual call isn't worth the cost.
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static void read(void* loc, intx interval);
// Prefetch anticipating write; must not fault, semantically a no-op
static void write(void* loc, intx interval);
};
+
+ #endif // SHARE_VM_RUNTIME_PREFETCH_HPP