RFR: 8282874: Bad performance on gather/scatter API caused by different IntSpecies of indexMap

[Jie Fu]

On Fri, 11 Mar 2022 09:11:20 GMT, Joshua Zhu <jzhu at openjdk.org> wrote:

> Check a simple reproducer at http://cr.openjdk.java.net/~jzhu/8282874/CheckAssembly.java. We can verify its performance via execution time.

Nice performance improvement.
Thanks for fixing it.

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PR: https://git.openjdk.java.net/jdk/pull/7757