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comparison src/os_cpu/bsd_x86/vm/os_bsd_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 f08d439fab8c
children b9a9ed0f8eeb
comparison
equal deleted inserted replaced
4732:4ec93d767458 4749:7ab5f6318694
26 #define OS_CPU_BSD_X86_VM_OS_BSD_X86_HPP 26 #define OS_CPU_BSD_X86_VM_OS_BSD_X86_HPP
27 27
28 static void setup_fpu(); 28 static void setup_fpu();
29 static bool supports_sse(); 29 static bool supports_sse();
30 30
31 static jlong rdtsc();
32
31 static bool is_allocatable(size_t bytes); 33 static bool is_allocatable(size_t bytes);
32 34
33 // Used to register dynamic code cache area with the OS 35 // Used to register dynamic code cache area with the OS
34 // Note: Currently only used in 64 bit Windows implementations 36 // Note: Currently only used in 64 bit Windows implementations
35 static bool register_code_area(char *low, char *high) { return true; } 37 static bool register_code_area(char *low, char *high) { return true; }