[LLVMdev] Representing -ffast-math at the IR level

Renato Golin rengolin at systemcall.org
Sun Apr 15 02:25:47 PDT 2012


On 15 April 2012 09:22, Duncan Sands <baldrick at free.fr> wrote:
> Given the fact that no-one was interested enough to implement any kind of
> relaxed floating point mode in LLVM IR in all the years gone by, I actually
> suspect that there might never be anything more than just this simple and not
> very well defined 'fast-math' mode.  But at least there is a clear path for
> how to evolve towards a more sophisticated setup.

Once it's implemented, there will be zealots complaining that your
"-ffast-math" is not as good as <insert-compiler-here>. But you can
kindly ask them to contribute with code.

-- 
cheers,
--renato

http://systemcall.org/




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