RFR: 8320448: Accelerate IndexOf using AVX2 [v35]

[Scott Gibbons]

On Fri, 24 May 2024 00:47:04 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Scott Gibbons has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Review comments - move stubGen*_string.cpp to c2_stubGen*_string.cpp
>
> test/jdk/java/lang/StringBuffer/IndexOf.java line 2:
> 
>> 1: /*
>> 2:  * Copyright (c) 2000, 2024 Oracle and/or its affiliates. All rights reserved.
> 
> This copyright header validation failure. Missing comma `,` after 2024.

Fixed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16753#discussion_r1613504949