[jdk25] Integrated: 8350177: C2 SuperWord: Integer.numberOfLeadingZeros, numberOfTrailingZeros, reverse and bitCount have input types wrongly truncated for byte and short

[Tobias Hartmann]

On Mon, 14 Jul 2025 05:26:35 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [77bd417c](https://github.com/openjdk/jdk/commit/77bd417c9990f57525257d9df89b9df4d7991461) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Jasmine Karthikeyan on 13 Jul 2025 and was reviewed by Emanuel Peter and Tobias Hartmann.
> 
> Thanks!

This pull request has now been integrated.

Changeset: dd82a092
Author:    Tobias Hartmann <thartmann at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/dd82a0922bdf7e3e99edab3246a2a7b5b1cb7bda
Stats:     464 lines in 2 files changed: 460 ins; 0 del; 4 mod

8350177: C2 SuperWord: Integer.numberOfLeadingZeros, numberOfTrailingZeros, reverse and bitCount have input types wrongly truncated for byte and short

Reviewed-by: chagedorn
Backport-of: 77bd417c9990f57525257d9df89b9df4d7991461

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PR: https://git.openjdk.org/jdk/pull/26286