[LLVMdev] [RFC][PATCH] Adding absd/hadd/sad intrinsics

Renato Golin renato.golin at linaro.org
Wed May 6 04:55:28 PDT 2015


On 6 May 2015 at 11:21, Shahid, Asghar-ahmad
<Asghar-ahmad.Shahid at amd.com> wrote:
> Sorry that I could not get what exactly you mean with "heuristics".
> Is it the "intrinsics approach" itself or something else?

No, that was about the cost tables.


> BTW, now my plan is to just add the two intrinsics for 'absolute difference'
> and 'horizontal add'.

That's ok, as long as they're impossible to represent in plain IR.

cheers,
--renato



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