RFR: 8312579: [JVMCI] JVMCI support for virtual Vector API objects [v4]

Wed Jul 26 14:53:43 UTC 2023

On Wed, 26 Jul 2023 10:25:00 GMT, Gergö Barany <gbarany at openjdk.org> wrote:

>> Optimized Vector API values are represented as raw values in SIMD registers. When deoptimizing with such a value in the state, a Java heap object must be recreated. HotSpot has a special "Location::vector" location type to mark Vector API values, and it knows how to materialize such values.
>> 
>> Extend the JVMCI code installer to mark the appropriate values as vectors so that JVMCI-compiled code can also deoptimize with Vector API values in SIMD registers.
>
> Gergö Barany has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix #ifdef/#if mixup

Marked as reviewed by never (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15003#pullrequestreview-1547954097