Re: Why don't we switch to C like floating pointed arithmetic instead of automatic expansion to reals?

[Walter Bright via Digitalmars-d]

On 8/6/2016 2:48 AM, Ilya Yaroshenko wrote:

I don't know what the point of fusedMath is.

It allows a compiler to replace two arithmetic operations with single composed
one, see AVX2 (FMA3 for intel and FMA4 for AMD) instruction set.

I understand that, I just don't understand why that wouldn't be done anyway.