RFR: 8365218: [JVMCI] AArch64 CPU features are not computed correctly after 8364128 [v2]

Yudi Zheng yzheng at openjdk.org
Tue Aug 12 17:09:07 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.

Yudi Zheng has updated the pull request incrementally with one additional commit since the last revision:

  address comments

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/26727/files
  - new: https://git.openjdk.org/jdk/pull/26727/files/87f4700a..3e378957

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26727&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26727&range=00-01

  Stats: 132 lines in 4 files changed: 15 ins; 102 del; 15 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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