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comparison src/os_cpu/solaris_x86/vm/solaris_x86_64.il @ 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 0a8e0d4345b3
children da4be62fb889
comparison
equal deleted inserted replaced
4732:4ec93d767458 4749:7ab5f6318694
28 // Get the raw thread ID from %gs:0 28 // Get the raw thread ID from %gs:0
29 .inline _raw_thread_id,0 29 .inline _raw_thread_id,0
30 movq %fs:0, %rax 30 movq %fs:0, %rax
31 .end 31 .end
32 32
33 // Get the frame pointer from current frame. 33 // Get current fp
34 .inline _get_current_fp,0 34 .inline _get_current_fp,0
35 .volatile 35 .volatile
36 movq %rbp, %rax 36 movq %rbp, %rax
37 .end
38
39 // Support for os::rdtsc()
40 .inline _raw_rdtsc,0
41 rdtsc
42 salq $32, %rdx
43 orq %rdx, %rax
37 .end 44 .end
38 45
39 // Support for jint Atomic::add(jint add_value, volatile jint* dest) 46 // Support for jint Atomic::add(jint add_value, volatile jint* dest)
40 .inline _Atomic_add,2 47 .inline _Atomic_add,2
41 movl %edi, %eax // save add_value for return 48 movl %edi, %eax // save add_value for return