[Bug runtime/6028] ia64_fetch_register is very slow

[mhiramat at redhat dot com]

------- Additional Comments From mhiramat at redhat dot com  2008-04-18 02:36 -------
I made a set of patches which is a proof of concept.
But it showed a good result of benchmark:

---
access 0 flags
probe syscall.open (<input>:1:1), hits: 16, cycles: 63min/1019avg/15115max
access 1 flags
probe syscall.open (<input>:1:1), hits: 16, cycles: 259min/1642avg/20710max
access 2 flags
probe syscall.open (<input>:1:1), hits: 16, cycles: 415min/1179avg/11588max
access 3 flags
probe syscall.open (<input>:1:1), hits: 16, cycles: 504min/1201avg/10136max
---


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http://sourceware.org/bugzilla/show_bug.cgi?id=6028

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