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

Mon Apr 23 18:23:41 UTC 2018

On 04/23/2018 05:18 PM, Roland Westrelin wrote:
> java -XX:-UseCountedLoopSafepoints -jar target/benchmarks.jar -prof perfasm -wi 5 -i 5 -f 1  org.sample.DotProduct.dotProduct
> 
> should work whether you applied the patch for this RFR or not.  See
> below for a sample output.

OK, thanks.  It was my local problem with patches and builds.  AArch64
works fine.

Having said that, the code without vectorization is dreadful, but
that's an unrelated matter.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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