[jdk21u-dev] Integrated: 8345146: [PPC64] Make intrinsic conversions between bit representations of half precision values and floats

[Martin Doerr]

On Fri, 27 Dec 2024 18:35:12 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Almost clean backport of [JDK-8345146](https://bugs.openjdk.org/browse/JDK-8345146). Two hunks had to be integrated manually due to unrelated differences in the context. The test updates had to be integrated manually because the RISCV part is not backported. TestFloat16VectorConvChain.java is not in 21u (introduced by https://github.com/openjdk/jdk/commit/55fd1ed228ea3c42aaf92579e5dcb818fe14351d).
> 
> Original PR with performance numbers: https://github.com/openjdk/jdk/pull/22433

This pull request has now been integrated.

Changeset: b942b5e3
Author:    Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/b942b5e3cf550c2acbbc6b8ba61017d72e640e3c
Stats:     181 lines in 14 files changed: 178 ins; 2 del; 1 mod

8345146: [PPC64] Make intrinsic conversions between bit representations of half precision values and floats

Reviewed-by: rrich
Backport-of: b42d79eb6a6d497dc63718c2854609bebca4498c

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PR: https://git.openjdk.org/jdk21u-dev/pull/1295