Decode the 'xsave', 'xrstor', 'xsaveopt', 'xgetbv', 'xsetbv', and 'rdtscp' instructions.
Decode the 'xsave', 'xrstor', 'xsaveopt', 'xgetbv', 'xsetbv', and
'rdtscp' instructions.

MFC after:	1 month

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