RFR: 8318650: Optimized subword gather for x86 targets. [v11]

[Quan Anh Mai]

On Thu, 1 Feb 2024 00:28:26 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> I guess the fact that the Java objects are 8 byte alignment padded and the alignment being done at lines 1609-1611 and 1616-1621 somehow takes care of this.
>
> Drive by comment, that can change with Project Lilliput.

I don't think Lilliput will relax the array alignment to below 4 bytes since the array length needs to be aligned at that.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16354#discussion_r1474586479