RFR: 8312579: [JVMCI] JVMCI support for virtual Vector API objects [v2]

[Gergö Barany]

On Wed, 26 Jul 2023 02:15:13 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> Gergö Barany has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Improve parameter naming
>>  - Rewrite nested ternary expressions
>
> Does it need to update `#ifdef COMPILER2` to `#if COMPILER2_OR_JVMCI` in https://github.com/openjdk/jdk/blob/master/src/hotspot/share/runtime/deoptimization.cpp#L1238 which is the gateway of re-materializing a Vector API object from vector register/stack?

I updated all the relevant places guarded by `EnableVectorSupport`. Thank you for pointing this out @XiaohongGong .

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PR Comment: https://git.openjdk.org/jdk/pull/15003#issuecomment-1651391821