RFR: 8343506: [s390x] multiple test failures with ubsan

[Martin Doerr]

On Mon, 4 Nov 2024 05:27:59 GMT, Amit Kumar <amitkumar at openjdk.org> wrote:

> This is trivial patch which fixes the error I am seeing on s390x, while running tier1 with ubsan enabled. Please see JBS for more details.

I think the is_uimm* checks should take an `uint64_t`. See assembler_riscv.inline.hpp.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/21864#issuecomment-2454727814