RFR: 8375443: AVX-512: Disabling through UseSHA doesn't affect UseSHA3Intrinsics [v4]

[Ramkumar Sunderbabu]

> UseSHA flag is not respected while enabling/disabling UseSHA3Intrinsics flag in x86 builds.
> Added UseSHA in the mix.
> 
> Testing: Only Basic testing done. I will run more compiler related testing.

Ramkumar Sunderbabu has updated the pull request incrementally with two additional commits since the last revision:

 - add test for unsupported platform
 - simpler requires condition

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/29266/files
  - new: https://git.openjdk.org/jdk/pull/29266/files/84acd692..a09cb5ad

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=29266&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=29266&range=02-03

  Stats: 153 lines in 2 files changed: 150 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/29266.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29266/head:pull/29266

PR: https://git.openjdk.org/jdk/pull/29266