[aarch64-port-dev ] RFR: 8169697: aarch64: vectorized MLA instruction not generated for some test cases

Andrew Haley aph at redhat.com
Thu Nov 24 14:30:48 UTC 2016

On 24/11/16 14:01, Roland Westrelin wrote:
> What about with the patch below?
> It seems the problem is that c2 fails to recognize the reduction in the
> loop because the test below is correct only for a node that is data node
> (a Phi in the case of the OSR version of the method) but not for a
> control node (a return in the normal compilation case).

Oh, I see.  I'm guessing that it'll be too risk for this stage of JDK 9.
Do you want to try?


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