[libre-riscv-dev] [isa-dev] Re: FP transcendentals (trigonometry, root/exp/log) proposal

[lkcl]

On Thursday, August 15, 2019 at 3:44:16 AM UTC+8, Jacob Lifshay wrote:

> if atan is going back in, it would be a good idea to include atanpi.
> 

Done.

> We may want to put frecip back in as well, for those who implement division as multiply by reciprocal.

Khronos OpenCL spec has native_recip and half_recip. On the basis that both Mitch and the Khronos Group probably know what they're doing, I'd agree.

All these would fall under the Zfacc FCSR field. Must post that, new thread.

L.