RFR: 8320448: Accelerate IndexOf using AVX2 [v19]

[Scott Gibbons]

On Fri, 17 May 2024 22:40:50 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

>> The entry code switches Windows calling convention into Linux calling convention by moving/saving registers, which are properly restored on function exit.  This makes register tracking easier.
>
> I don't see the place where the switch is happening before this initial piece of code.  You also have windows tests failing in the GHA. Could you please double check?

Fixed to use c_rargX

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PR Review Comment: https://git.openjdk.org/jdk/pull/16753#discussion_r1605618391