RFR: 8374349: [VectorAPI]: AArch64: Prefer merging mode SVE CPY instruction

[Andrew Haley]

On Thu, 22 Jan 2026 12:31:19 GMT, Eric Fang <erfang at openjdk.org> wrote:

> Microbenchmarks show this change brings performance uplift ranging from **11%** to **33%**, depending on the specific operation and data types.

I see 2% uplift on these numbers.

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PR Comment: https://git.openjdk.org/jdk/pull/29359#issuecomment-3790486155