RFR: 8328181: C2: assert(MaxVectorSize >= 32) failed: vector length should be >= 32 [v2]

[Jatin Bhateja]

> This bug fix patch tightens the predication check for small constant length clear array pattern and relaxes associated feature checks. Modified few comments for clarity.
> 
> Kindly review and approve.
> 
> Best Regards,
> Jatin

Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:

  Cleanup predicates.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18464/files
  - new: https://git.openjdk.org/jdk/pull/18464/files/05ccc786..9154491a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18464&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18464&range=00-01

  Stats: 9 lines in 3 files changed: 0 ins; 7 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/18464.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18464/head:pull/18464

PR: https://git.openjdk.org/jdk/pull/18464