8341260: Add Float16 to jdk.incubator.vector

[jddarcy]

Port of Float16 from java.lang in the lworld+fp16 branch to jdk.incubabor.vector.

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Progress

• [ ] Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• [x] Change must not contain extraneous whitespace
• [x] Commit message must refer to an issue
• [ ] Change requires CSR request JDK-8342567 to be approved

Issues

• JDK-8341260: Add Float16 to jdk.incubator.vector (Enhancement - P4)
• JDK-8342567: Add Float16 to jdk.incubator.vector (CSR)

Contributors

• Raffaello Giulietti <[email protected]>
• Jatin Bhateja <[email protected]>

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/21574/head:pull/21574
$ git checkout pull/21574

Update a local copy of the PR:
$ git checkout pull/21574
$ git pull https://git.openjdk.org/jdk.git pull/21574/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 21574

View PR using the GUI difftool:
$ git pr show -t 21574

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/21574.diff

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