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[Bug translator/6929] support constant global variables
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 1 Oct 2008 18:44:53 -0000
- Subject: [Bug translator/6929] support constant global variables
- References: <20081001160358.6929.mhiramat@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From fche at redhat dot com 2008-10-01 18:44 -------
> Sure, this request is more advanced one. We expect some formula including
> immediate values are compounded to simpler formula. For example,
> ---
> global TICKS:const=100
> global HZ:const=1000
>
> function ticktohz:long (tick) {
> return tick * HZ / TICKS; # this will be translated to tick * 10
> }
Reusing the same analysis already done for lock elision, it should not be
necessary to designate anything with ":const" for this treatment.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6929
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