The vector unsigned comparison ops in Vector API are not supported on SVE yet. See:
https://github.com/openjdk/jdk/blob/master/src/hotspot/cpu/aarch64/matcher_aarch64.hpp#L147
These operations can be implemented with SVE instructions like:
https://developer.arm.com/documentation/ddi0596/2021-12/SVE-Instructions/CMPLS--vectors---Compare-unsigned-lower-or-same-as-vector--setting-the-condition-flags--an-alias-of-CMP-cc---vectors--
https://github.com/openjdk/jdk/blob/master/src/hotspot/cpu/aarch64/matcher_aarch64.hpp#L147
These operations can be implemented with SVE instructions like:
https://developer.arm.com/documentation/ddi0596/2021-12/SVE-Instructions/CMPLS--vectors---Compare-unsigned-lower-or-same-as-vector--setting-the-condition-flags--an-alias-of-CMP-cc---vectors--