[llvm] [X86] Consistently use f128 libcalls (PR #142386)

[Nikita Popov via llvm-commits]

nikic wrote:

> LGTM - although this probably should be mentioned in the release notes

Which part do you have in mind? That the f128 libcalls also get used on x86-32?
 
> Do we have any test-suite benchmarks that use f128?

Based on a grep of float128: no. There are only some fortran tests for C interop.

https://github.com/llvm/llvm-project/pull/142386