RFR: 8252848: Optimize small primitive arrayCopy operations through partial inlining using AVX-512 masked instructions [v3]

[Jatin Bhateja]

On Fri, 16 Oct 2020 14:50:15 GMT, Nils Eliasson <neliasso at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Replacing explicit type checks with existing type checking routines
>
> src/hotspot/share/opto/cfgnode.cpp line 396:
> 
>> 394: }
>> 395: 
>> 396: bool RegionNode::is_self_loop(Node* n) {
> 
> A bit expensive to DFS the entire graph to find a self loop.  You don't need to visit nodes outside the loop. But you might not need to do this at all - see my comments further down.

DONE

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PR: https://git.openjdk.java.net/jdk/pull/302