On Thu, 26 Nov 2020 13:15:36 -0800, Charles Mills  wrote:
>
>... And second, the PoOp says "For STORE CLOCK FAST, when the value of a 
>running clock is stored, bits to the right of the rightmost bit that is 
>incremented are stored as zeros."
>
That fits with my understanding that those bits to the right are to
ensure STCK uniqueness in a multi-CPU system, and STCK doesn't
guarantee uniqueness on any system -- two readings may be taken
between increments.

-- gil

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