[UNIATA]

Merge from amd64 branch:
44634: Make x86 specific optimizations x86 specific, use macros otherwise. (Samuel Serapion)
44639: Try to fix numerous pointer to ULONG casts. (Samuel Serapion)
47846/47847: Remove all the byteswap "optimisations" and use portable RTL byteswap functions (Timo Kreuzer)

svn path=/trunk/; revision=47848