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

[David Laight]

> How would you suggest replacing the jumps in this case?  I agree it would be
> faster here, but I'm not sure how I would implement an increment using a single
> conditional move.

I think you need 3 instructions, move a 0, conditionally move a 1
then add. I suspect it won't be a win!

If you do 'win' it is probably very dependent on how the instructions
get scheduled onto the execution units - which will probably make
it very cpu type dependant.

	David




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