RFR: 8324750: C2: rename Matcher methods using "superword" -> "autovectorization" [v2]

[Vladimir Kozlov]

On Sat, 27 Jan 2024 05:47:47 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Subtask of https://github.com/openjdk/jdk/pull/16620
>> 
>> Matcher::superword_max_vector_size -> Matcher::max_vector_size_autovectorization
>> 
>> Matcher::match_rule_supported_superword -> match_rule_supported_autovectorization
>> 
>> This is to make the naming more general, since these methods can be used by any autovectorizer in the future.
>
> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   underscore for Christian

Update is good.

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Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17583#pullrequestreview-1847259724