RFR: 8343810: [s390x] is_uimm* methods should take unsigned arguments

[Lutz Schmidt]

On Fri, 8 Nov 2024 04:47:23 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> trivial patch which just updates the argument datatype of `is_uimm*` methods, from `int64_t` to `uint64_t`.

LGTM.

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Marked as reviewed by lucy (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21967#pullrequestreview-2426510952