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From: John Maddock (john_at_[hidden])
Date: 2004-07-25 05:18:07

> It gets worse. IA-64 supports switching endianness at runtime. :-) See
> section 4.4: "Accesses to memory quantities larger than a byte may be
> done in a big-endian or little-endian fashion. The byte order for all
> memory access instructions is determined by UM in the User Mask
> register."
> The user mask can be changed at user-level program's discretion and
> thus isn't a function of the OS platform used either. I suppose the
> least incorrect thing to do here would be to define it depending on
> the default for the particular OS/compiler used.

Uh! That's definitely um, interesting. Anyone still want these macros?



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