[lworld+vector] RFR: 8304310: Initial compilers and runtime handling for multifield backed vectors. [v14]

[Xiaohong Gong]

On Wed, 10 May 2023 09:17:28 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> src/hotspot/share/opto/cfgnode.cpp line 2704:
>> 
>>> 2702:   ciInlineKlass* payload = vk->declared_nonstatic_field_at(0)->type()->as_inline_klass();
>>> 2703: 
>>> 2704:   Node* payload_oop = payload->is_initialized() ? InlineTypeNode::default_oop(*igvn, payload) : igvn->zerocon(T_PRIMITIVE_OBJECT);
>> 
>> `payload_oop` is not used and can be removed?
>
> This is already handled within  _`make_uninitialized`_

Exactly right.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/833#discussion_r1189629306