[llvm] [RISCV] Set mayRaiseFPException = 0 on FCVT_D_W(U). (PR #133200)

[Pengcheng Wang via llvm-commits]

wangpc-pp wrote:

The code looks great, but I read the spec for a long time and I can't come to a conclusion whether these instructions will raise exceptions or not 🙃.


https://github.com/llvm/llvm-project/pull/133200