On Wed, 2020-04-22 at 16:42 +0200, Jakub Jelinek via Gcc-patches wrote:
> Hi!
>
> The following patch provides some further math library fallbacks.
> fmaf can be implemented using fma if available, fma and fmal can use
> x * y + z as fallback, it is not perfect, but e.g. glibc on various arches
>
Hi!
The following patch provides some further math library fallbacks.
fmaf can be implemented using fma if available, fma and fmal can use
x * y + z as fallback, it is not perfect, but e.g. glibc on various arches
has been using that as fallback for many years,
and copysign/copysignl/fabs/fabsl ca
