[illumos-Developer] Ugh... xdr_{float,double} problems

[Garrett D'Amore]

It sounds like all the main CPU targets support IEEE 754.  The only 
reasonable (?) question IMO is S390.  Roland?  Neale?

     - Garrett

On 01/31/11 07:54 AM, Jason King wrote:
> This is why I asked :)  Are there actual identifiable platforms in use
> today (that would also be a suitable target for Illumos -- some 50Mhz
> CPU w/ 16mb of ram is unlikely to ever be relevant for Illumos :P)
> that do not use IEEE 754?
>
> Even then, if there are platforms, how reasonable is it to assume /
> expect that they write code to convert to IEEE 754?  It seems like it
> would be desirable since such conversion code could utilize knowledge
> of the underlying implementation.
>
> On Mon, Jan 31, 2011 at 8:59 AM, Joerg Schilling
> <Joerg.Schilling at fokus.fraunhofer.de>  wrote:
>    
>> Jason King<jason.brian.king at gmail.com>  wrote:
>>
>>      
>>> Not a big deal.. one of the downsides of online communication is
>>> sometimes things don't always come through that might in person..
>>>
>>> I'm tempted to just drop the code completely.  Are there any platforms
>>> in widespread use today that don't use IEEE 754?  The code suggests
>>> that as far back as 1985, vax was the only one that didn't.  If there
>>> is, my guess is that there's probably going to be code specific for
>>> that platform that's going to be more accurate and faster to translate
>>> anyway.
>>>        
>> If you have a FP hardware in the system, you may be right.
>>
>> There are however embedded systems that may use a different implementation for
>> performance reasons - so I am not sue whether your assumption is correct.
>>
>> Jörg
>>
>> --
>>   EMail:joerg at schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
>>        js at cs.tu-berlin.de                (uni)
>>        joerg.schilling at fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/
>>   URL:  http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily
>>
>>      
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