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主题：Re: [Mingw-w64-public] sinl/cosl/tanl accuracy problem
On 07.09.2016 17:21, lhmouse wrote:
> (I don't write AT&T assembly so I am unable to make a patch.
> Nevertheless I hope someone who writes AT&T assembly could fix it.)
I don't have time to write a patch but I c
On 07.09.2016 17:21, lhmouse wrote:
(I don't write AT&T assembly so I am unable to make a patch.
Nevertheless I hope someone who writes AT&T assembly could fix it.)
I don't have time to write a patch but I can donate some code that AFAIK does what you need for the
sin functions.
>gcc -m32
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发件人：NightStrike
发送日期：2016-09-08 15:06
收件人：mingw-w64-public@lists.sourceforge.net
抄送：
主题：Re: [Mingw-w64-public] sinl/cosl/tanl accuracy problem
What does gcc's __builtin_sinl
es, I am all ears
>
> --
> Best regards,
> lh_mouse
> 2016-09-08
>
> -
> 发件人：Riot
> 发送日期：2016-09-08 04:00
> 收件人：mingw-w64-public
> 抄送：
> 主题：Re: [Mingw-w64-public] sinl/cosl/tanl accuracy problem
>
> Som
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发件人：Riot
发送日期：2016-09-08 04:00
收件人：mingw-w64-public
抄送：
主题：Re: [Mingw-w64-public] sinl/cosl/tanl accuracy problem
Some of us (game developers especially) greatly prefer a minor inaccuracy
to a potentially major slowdown; I would personally opposed this change, as
you&#x
Some of us (game developers especially) greatly prefer a minor inaccuracy
to a potentially major slowdown; I would personally opposed this change, as
you're noticeably increasing the cost of something that's used heavily in
tightly looped code. Perhaps an appropriately named #ifdef switch would be
(I don't write AT&T assembly so I am unable to make a patch.
Nevertheless I hope someone who writes AT&T assembly could fix it.)
The x87 `sinl` instruction has been suffering from an accuracy problem
since decades ago, which is described in this article:
https://software.intel.com/blogs/2014/10/09
