RFR: 8365218: [JVMCI] AArch64 CPU features are not computed correctly after 8364128

Yudi Zheng yzheng at openjdk.org
Mon Aug 11 14:06:56 UTC 2025


https://github.com/openjdk/jdk/pull/26515 changes the `VM_Version::CPU_` constant values on AArch64 and Graal now sees unsupported CPU features. This may result in SIGILL due to Graal emitting unsupported instructions, such as `CPU_SHA3`-based eor3 instructions in AArch64 SHA3 stubs.

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Commit messages:
 - [JVMCI] AArch64 CPU features are not computed correctly after 8364128

Changes: https://git.openjdk.org/jdk/pull/26727/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26727&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8365218
  Stats: 44 lines in 2 files changed: 42 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/26727.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26727/head:pull/26727

PR: https://git.openjdk.org/jdk/pull/26727


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