RFR: 8361582: AArch64: Some ConH values cannot be replicated with SVE

[Aleksey Shipilev]

On Fri, 1 Aug 2025 12:04:35 GMT, Bhavana Kilambi <bkilambi at openjdk.org> wrote:

> If the immediate value does not fit `immH8_shift8` for `Matcher::vector_length_in_bytes(n) > 16` , the compiler would generate `loadConH` [1] -> `replicateHF` [2] backend nodes instead.

Ah OK, just checking. I ran this patch on the machine where I have originally found the issue, and it seems to work.

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PR Comment: https://git.openjdk.org/jdk/pull/26589#issuecomment-3144786986