[llvm] [ARM] Add instruction selection for strict FP (PR #160696)

[David Green via llvm-commits]

https://github.com/davemgreen approved this pull request.

OK Great thanks. LGTM

If looks like there is a conflict in llvm/lib/Target/ARM/ARMISelLowering.cpp that needs to be addressed.

https://github.com/llvm/llvm-project/pull/160696