[llvm-dev] Vectorization with fast-math on irregular ISA sub-sets

James Molloy via llvm-dev llvm-dev at lists.llvm.org
Mon Feb 8 11:25:34 PST 2016


Sorry, on phone so cherry picking what I reply to :

> On 8 Feb 2016, at 19:15, Renato Golin <renato.golin at linaro.org> wrote:
> 
> For 16275, the fix is to disable loop vect. for no-fast-math + hasUnsafeAlgebra.

Do you think there is a set of people that care about IEEE accuracy in so far that they don't want FTZ, but *are* happy to reassociate FP operations? That seems fairly niche to me?



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