RFR: 8343689: AArch64: Optimize MulReduction implementation [v5]

[Mikhail Ablakatov]

On Tue, 1 Jul 2025 02:51:56 GMT, Hao Sun <haosun at openjdk.org> wrote:

>> Mikhail Ablakatov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fixup: remove undefined insts from aarch64-asmtest.py
>
> src/hotspot/cpu/aarch64/assembler_aarch64.hpp line 3729:
> 
>> 3727: #undef INSN
>> 3728: 
>> 3729: // SVE aliases
> 
> In the inital commit, asm test for `sve_(mov|movs|not|nots)` is added into `test/hotspot/gtest/aarch64/aarch64-asmtest.py`. Since the definition is removed in this commit, the corresponding asm test should be removed as well. Otherwise, JDK build failed on AArch64.
> See the error log in GHA test. https://github.com/mikabl-arm/jdk/actions/runs/15974069085/job/45051902618

Thanks, fixed by https://github.com/openjdk/jdk/pull/23181/commits/df09ab65f75c7b6f99e0088b3871d7df7a8c4d1b

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PR Review Comment: https://git.openjdk.org/jdk/pull/23181#discussion_r2178016339