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

lkcl luke.leighton at gmail.com
Wed Aug 14 22:00:29 BST 2019

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.


> 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.


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