[llvm-dev] Floating point semantic modes

[Cameron McInally via llvm-dev]

On Tue, Jan 28, 2020 at 2:24 PM Blower, Melanie I
<melanie.blower at intel.com> wrote:
>
> About ftrapping-math:
> I think we should eliminate ftrapping-math, a boolean option, because it overlaps with ffp-exception-behavior, a 3 valued option.  Or we can keep it in the clang driver for compatibility, but it should be rewritten by clang driver into ffp-exception-behavior=ignore and ffp-exception-behavior=strict.

I have a strong preference for the latter. Command-line compatibility
is nice when porting makefiles from GCC.