[code-reflection] RFR: [hat] CPU Implementation for F16

[Juan Fumero]

[hat] CPU Implementation for F16

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Commit messages:
 - [hat] CPU Impl for F16 added

Changes: https://git.openjdk.org/babylon/pull/630/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=630&range=00
  Stats: 643 lines in 5 files changed: 330 ins; 304 del; 9 mod
  Patch: https://git.openjdk.org/babylon/pull/630.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/630/head:pull/630

PR: https://git.openjdk.org/babylon/pull/630