[lworld+vector] RFR: 8304310: Initial compilers and runtime handling for multifield backed vectors. [v6]

[Xiaohong Gong]

On Fri, 7 Apr 2023 00:30:13 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> BTW, methods like `is_multifield, is_multifield_base` can be removed. `secondary_fields_count() > 1` can be used as a replacement to `is_multifield_base()`, right?
>
>> BTW, methods like `is_multifield, is_multifield_base` can be removed. `secondary_fields_count() > 1` can be used as a replacement to `is_multifield_base()`, right?
> 
> It should add value to still keep is_multifield and is_multifield_base since it allows skipping over synthetic fields (non-base) at places.

I'm sorry that I don't understand quite well. At least, `is_multifield()` is not used now. So I guess it can be removed?

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PR Review Comment: https://git.openjdk.org/valhalla/pull/833#discussion_r1160390363