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

[Joseph Huber via libc-commits]

https://github.com/jhuber6 commented:

These are borrowed from OpenCL I believe and aren't available in `gcc`, so you'd need a `has_builtin` guard. https://godbolt.org/z/s63hK9Y4T.

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