Integrated: 8320206: Some intrinsics/stubs missing vzeroupper on x86_64

[Sandhya Viswanathan]

On Wed, 15 Nov 2023 21:28:46 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

> The following intrinsics/stubs are missing vzeroupper:
> adler32 (since JDK17)
> count_positives (since JDK 9)
> chacha20 (since JDK 20)
> string indexOfChar (since JDK 9)
> 
> Adding the missing vzeroupper to avoid AVX-SSE transition penalties.

This pull request has now been integrated.

Changeset: 9b372e28
Author:    Sandhya Viswanathan <sviswanathan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/9b372e28ceb8b054118027626eb454b8a493740b
Stats:     7 lines in 3 files changed: 7 ins; 0 del; 0 mod

8320206: Some intrinsics/stubs missing vzeroupper on x86_64

Reviewed-by: kvn, jbhateja

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PR: https://git.openjdk.org/jdk/pull/16678