From: "Ed Jaffe" <[email protected]>
Sent: Wednesday, May 21, 2014 2:52 PM
On 5/20/2014 8:44 PM, Robin Vowels wrote:
I use MVCL a lot even for very small moves where the length is not
known at assembly time. But I know my environment and its performance
requirements, and often judge the relative elegance, generality, and
programmer-readability of such an instruction to override what small
performance gain there might be to multipathing and/or loops.
Sounds like overkill.
MVC with EX would be simpler.
Not if you want padding.
You didn't mention padding. Only small moves.
But even when padding is required, you can move the padding byte into the
destination area first.
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