RFR: 8365218: [JVMCI] AArch64 CPU features are not computed correctly after 8364128 [v4]

Yudi Zheng yzheng at openjdk.org
Wed Aug 13 07:04:12 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 with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:

 - Merge master
 - style
 - style
 - address comments
 - [JVMCI] AArch64 CPU features are not computed correctly after 8364128

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/26727/files
  - new: https://git.openjdk.org/jdk/pull/26727/files/6aa51798..0056275f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26727&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26727&range=02-03

  Stats: 3509 lines in 92 files changed: 1362 ins; 1559 del; 588 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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