RFR: 8189105: AARCH64: create intrinsic for sin and cos

Andrew Haley aph at redhat.com
Thu Jun 21 07:40:48 UTC 2018


On 06/20/2018 07:40 PM, Dmitrij Pochepko wrote:
> Though your calculation of Taylor series coefficient is imprecise, 

That's what I meant when I said "approximately".  How much space have
you got?  :-)

> you are right in your assessment this is not Taylor series. It's a
> polynomial coefficients derived by using Remez approximation
> algorithm,

Indeed.

> which typically use Taylor series coefficients as initial
> approximation.

> I updated webrev by removing Taylor mentioning: 
> http://cr.openjdk.java.net/~dpochepk/8189105/webrev.05/

Please go back and remove the rest of them.  With that we're good to
go.  Thanks.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671


More information about the hotspot-compiler-dev mailing list