Re: [boost] BOOST_BIG_ENDIAN

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

> It gets worse. IA-64 supports switching endianness at runtime. :-) See
e.g.
> http://developer.intel.com/design/itanium/manuals/245317.pdf
> 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?

Thanks,

John.