RFR: 8259948: Aarch64: Add cast nodes for Aarch64 Neon backend [v2]

[Andrew Haley]

On Fri, 6 Aug 2021 15:43:26 GMT, Wu Yan <wuyan at openjdk.org> wrote:

> > The big question for all of this is: what is the test coverage?
> 
> We tested the following two test cases:
> test/hotspot/jtreg/compiler/vectorapi/VectorCastShape128Test.java
> test/hotspot/jtreg/compiler/vectorapi/VectorCastShape64Test.java

Thank you, but that doesn't really answer my question. Does your testing cover all that is added in this patch? If so, how did you ascertain it?

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PR: https://git.openjdk.java.net/jdk/pull/4839