[llvm-commits] [PATCH] Aggressive FMA formation mode.

[Lang Hames]

Hi All,


> FWIW, this will lower amateur benchmark scoring runs. (e.g. Phoronix).
>
> Strict IEEE conformance is far less likely to be desired than fast
> code. In my experience, the only users who want strict conformance are
> the authors of math libraries and the occasional application like ray
> tracing where denormals are common.
>

My preference is for IEEE compliance by default, with switches to opt out
if you want speed. I'm happy to hear other positions though - it's easy to
change the default if people decide that's the right way to go - it doesn't
affect the mechanics of the patch.

- Lang.
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