RE: [PATCH] x86: Run checksumming in parallel accross multiple alu's

From: David Laight
Date: Wed Oct 30 2013 - 08:20:40 EST

> /me wonders if rearranging the instructions into this order:
> adcq 0*8(src), res1
> adcq 1*8(src), res2
> adcq 2*8(src), res1

Those have to be sequenced.

Using a 64bit lea to add 32bit quantities should avoid the
dependencies on the flags register.
However you'd need to get 3 of those active to beat a 64bit adc.


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