[lworld+fp16] Integrated: 8341005: [lworld+fp16] Disable intrinsification of Float16.abs and Float16.negate for x86 target

Jatin Bhateja jbhateja at openjdk.org
Thu Sep 26 09:15:22 UTC 2024


On Thu, 26 Sep 2024 09:07:35 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> - Java side implementation is efficient and auto-vectorizable.
> - Unlike AARCH64 SVE, x86 FP16 ISA does not support direct negation instruction.
> 
> No performance impact seen in benchmarks.
> 
> Best Regard,
> Jatin

This pull request has now been integrated.

Changeset: fb5b1b16
Author:    Jatin Bhateja <jbhateja at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/fb5b1b16c57266508afd96f6a78f90996d28017f
Stats:     62 lines in 2 files changed: 0 ins; 60 del; 2 mod

8341005: [lworld+fp16] Disable intrinsification of Float16.abs and Float16.negate for x86 target

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PR: https://git.openjdk.org/valhalla/pull/1255


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