Mercurial > hg > graal-compiler
diff src/os_cpu/linux_x86/vm/os_linux_x86.hpp @ 4749:7ab5f6318694
7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64
Summary: Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
Contributed-by: karen.kinnear@oracle.com
author | phh |
---|---|
date | Sun, 01 Jan 2012 11:17:59 -0500 |
parents | f95d63e2154a |
children | b9a9ed0f8eeb |
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--- a/src/os_cpu/linux_x86/vm/os_linux_x86.hpp Mon Dec 26 20:36:01 2011 -0500 +++ b/src/os_cpu/linux_x86/vm/os_linux_x86.hpp Sun Jan 01 11:17:59 2012 -0500 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2011, 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 @@ -28,6 +28,8 @@ static void setup_fpu(); static bool supports_sse(); + static jlong rdtsc(); + static bool is_allocatable(size_t bytes); // Used to register dynamic code cache area with the OS