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PrefetchW ?

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PrefetchW should be the line "AMD 3DNowPrefetch", but regular AMD 3DNow! supporting processors also support PrefetchW.  It is not supported by current Intel processors, but Windows 8.1 will still work on them.  I admit it's quite odd :) We've asked Intel, and they said PrefetchW can be executed on current Intel processors, although it is executed as NOP (no operation / no instruction).  AFAIK next-generation Intel Core processors codenamed Broadwell will officially support PrefetchW.




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