RFR(S): 8200477: Integer dot product no longer autovectorised
vladimir.kozlov at oracle.com
Wed Apr 18 01:13:08 UTC 2018
Seems fine. Fix comment too, please. I start testing.
did you verified that code is vectorized with your changes?
On 4/10/18 7:54 AM, Roland Westrelin wrote:
> Superword only allows reduction to have Phi uses but with loop strip
> mining, there's a safepoint use as well. In any case, the check for only
> Phi uses seems too strict to me. So I replaced it with a check for only
> uses out of loop.
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