Mercurial > hg > graal-jvmci-8

diff src/os_cpu/windows_x86/vm/os_windows_x86.hpp @ 4749:7ab5f6318694

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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
line wrap: on
line diff
--- a/src/os_cpu/windows_x86/vm/os_windows_x86.hpp	Mon Dec 26 20:36:01 2011 -0500
+++ b/src/os_cpu/windows_x86/vm/os_windows_x86.hpp	Sun Jan 01 11:17:59 2012 -0500
@@ -58,6 +58,8 @@
   static void setup_fpu();
   static bool supports_sse() { return true; }
 
+  static jlong rdtsc();
+
   static bool      register_code_area(char *low, char *high);
 
 #endif // OS_CPU_WINDOWS_X86_VM_OS_WINDOWS_X86_HPP