RFR: 8317763: Restrict AVX512 intrinsics for Arrays.sort() methods to Intel CPUs

Tue Oct 10 16:51:46 UTC 2023

The goal of this PR is to restrict the availability of AVX512 accelerated Arrays.sort() methods to only Intel CPUs as a performance regression (due to hardware issues) was reported for AMD Zen4 CPUs in the comments section of #14227.

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Commit messages:
 - 8317763:Restrict AVX512 intrinsics for Arrays.sort() methods to Intel CPUs

Changes: https://git.openjdk.org/jdk/pull/16124/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16124&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8317763
  Stats: 8 lines in 2 files changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/16124.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16124/head:pull/16124

PR: https://git.openjdk.org/jdk/pull/16124