> While porting [JDK-8224974](https://bugs.openjdk.java.net/browse/JDK-8224974) 
> to Graal, I noticed that new CPU features were defined for x86 and AArch64 
> without being exposed via JVMCI. To avoid this problem in future, this PR 
> updates x86 and AArch64 to define CPU features with a single macro that is 
> used to generate enum declarations as well as vmstructs entries.
> 
> In addition, the JVMCI API is updated to exposes the new CPU feature 
> constants and now has a check that ensure these constants are in sync with 
> the underlying macro definition.

Doug Simon has updated the pull request incrementally with one additional 
commit since the last revision:

  avoid use of a lambda in JVMCI initialization

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3558/files
  - new: https://git.openjdk.java.net/jdk/pull/3558/files/b69675f4..bdf9eefb

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3558&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3558&range=00-01

  Stats: 23 lines in 3 files changed: 5 ins; 9 del; 9 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3558.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3558/head:pull/3558

PR: https://git.openjdk.java.net/jdk/pull/3558

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