[libc-commits] [libc] [libc] Use __builtin_elementwise_fma instead of __builtin_fma (PR #126288)

[Petr Hosek via libc-commits]

petrhosek wrote:

Using `__builtin_elementwise_fma` was suggested in #126025 and in my limited testing does seem to be working but I don't know if there are any downsides to using it over `__builtin_fma`.

https://github.com/llvm/llvm-project/pull/126288