Re: x86-64: memset()/memcpy() not fully standards compliant

[H. Peter Anvin]

On 01/05/2012 10:28 AM, Andi Kleen wrote:
>>
>> Otherwise, is there any rationale for this sort of lurking bug?
> 
> Most (all?) of the CPUs I cared about when writing that code had 
> bugs with string instructions and >4GB.
> 

Is that still true, and do we even use string instructions still on
those old CPUs?  Jan's fixes don't introduce any additional delays in
the non-string-instruction paths.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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