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List:       opensuse
Subject:    Re: [opensuse] switch from 32bit opensuse to 64bit
From:       Per Jessen <per () computer ! org>
Date:       2014-03-14 7:48:07
Message-ID: lfuc83$g2s$1 () saturn ! local ! net
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Carlos E. R. wrote:

> On 2014-03-13 13:20, Andrey Borzenkov wrote:
>> Ð’ Thu, 13 Mar 2014 12:37:15 +0100
>> "Carlos E. R." <robin.listas@telefonica.net> пишет:
>> 
>>>
>>> But if this happens, it is bad coding. Programs do not need to use
>>> 64 bit variables just because they are available.
>> 
>> You have no choice with pointers.
> 
> My 86' assembler is very rusty, I worked more with the 68000. IIRC,
> you could do "short jumps", in which the destination address was
> relative to the current program counter.
> 
> I never remember what model Linux uses, but don't we have short jumps?

The flat memory model.  Segment registers aren't used anymore, although
FS and GS may still be used.



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Per Jessen, Zürich (6.3 °C)
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