On 18:31 Sun 09 Nov     , Andrew Haley wrote:
> Zhang Le wrote:
> 
> > 
> > The other would be make sure the destination register is different from 
> > source registers.
> > I have read some docs, but still not sure how to do it.
> 
> That's just an earlyclobber.  Search for that.

Thank you, Andrew!

I have read about it, but maybe not fully understand it.
I will read again.

Zhang, Le

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