RFR: 8253721: Flag -XX:AVX3Threshold does not accept Zero value

Tue Sep 29 16:51:34 UTC 2020

On Tue, 29 Sep 2020 05:53:39 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> AVX3Threshold has been used in various places to enable emitting AVX3 specific instructions in case data size being
> worked over is greater than 4096 bytes.
> However, user is free to set the threshold value to Zero based on his workload.
> In such a case a compile time check is enough to trigger generation of AVX3 instructions. In other cases comparison is
> done at the runtime though JITed comparison instruction.
> Patch allows setting AVX3Threshold to a zero value.

Looks good. Thank you for ding this.

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Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/394