[llvm] [RISCV] Truncate constants to eltwidth before checking simm5 when con… (PR #67062)

[Philip Reames via llvm-commits]

https://github.com/preames commented:

While you looking at this bit of code, can I ask for a review on https://reviews.llvm.org/D159230?

https://github.com/llvm/llvm-project/pull/67062