[llvm] Reapply "[SPARC] Use umulxhi to do extending 64x64->128 multiply when we have VIS3" (#135897) (PR #136475)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

Did you figure out why the cause of the buildbot failure? CI tests passed, IIRC
(Just making sure it won't repeat again)

https://github.com/llvm/llvm-project/pull/136475