RFR: 8361582: AArch64: Some ConH values cannot be replicated with SVE [v7]

[Bhavana Kilambi]

On Wed, 20 Aug 2025 13:49:13 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Hi, thanks for your review. I tried but it doesn't trigger c2 compilation (maybe I need to increase `Warmup`?). As my main motivation was to test the generated backend mach nodes from c2 compilation, I run it specifically with `-XX:-TieredCompilation.`
>
> Strange, because the IR/Test framework always triggers C2 compilation... How exactly did it fail  to compile with C2?

It fails to match the IR nodes. I think it happened when I used a smaller `Warmup`. With the `Warmup` I am using, it seems to be working fine. I will add that case as well.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26589#discussion_r2288309378