[llvm] [X86][GISEL] - Legalize G_FPTOUI & G_UITOFP for X87 (PR #155562)

[Pawan Nirpal via llvm-commits]

pawan-nirpal-031 wrote:

@e-kud Thanks for https://github.com/llvm/llvm-project/pull/157377, I take x87 cmov is done here. I will revise our arithmetic workaround to use this. 

https://github.com/llvm/llvm-project/pull/155562