RFR(S): 8200477: Integer dot product no longer autovectorised

Roland Westrelin rwestrel at redhat.com
Tue Apr 10 14:54:04 UTC 2018


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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