[llvm] [X86] Adding lowerings for vector ISD::LRINT and ISD::LLRINT (PR #90065)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

> > > gcc requires `-O1 -fno-math-errno -m32 -mfpmath=sse -fno-trapping-math`
> > 
> > 
> > `-fno-trapping-math` is not required. I think it's on by default.
> 
> -fno-trapping-math is not default on gcc. I was trying to find the subset of -ffast-math that gcc requires. it appears to be fno-math-errno and fno-trapping-math.

Yes, `-fno-trapping-math` is not default on gcc. But we don't need it here https://godbolt.org/z/TsKTP4TxK

https://github.com/llvm/llvm-project/pull/90065