RFR: 8343070: Enable is_trace_align_vector when TraceSuperWord is set

[Emanuel Peter]

On Fri, 25 Oct 2024 14:45:33 GMT, Hamlin Li <mli at openjdk.org> wrote:

> Hi,
> Can you help to review this simple patch?
> Currently, in SuperWord::filter_packs_for_alignment(), there is some log not turned on when TraceSuperWord is set, but I think it should, as it's more convenient for users to debug.
> Thanks!

BTW I'm not saying that tracing is handled optimally. I currently just have it working. And maybe eventually we can remove `TraceSuperWord` and only use `TraceAutoVectorization`. The grouping of tracing flags/tags can surely be adjusted.

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PR Comment: https://git.openjdk.org/jdk/pull/21715#issuecomment-2440699559