[Bug translator/6929] support constant global variables

[fche at redhat dot com]

------- 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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