FMA3 without AVX (#65)
FMA3 without AVX (#65)

Martin Moehrmann:

> As I learned recently FMA only really requires OSXSAVE as per intel manual.
> so while uncommon someone might use FMA with sse registers on machine with no AVX or support to store and restore YMM registers.
> also know as users still using windows vista kernels
klauspost/cpuid,klauspost/cpuid